Aviation mechanic maintenance and inspection records practice questions
20 free practice questions from 14 CFR 43.2, 43.9 to 43.11 and Appendix B. Each answer is explained and linked to the rule it comes from.
Aviation mechanic maintenance and inspection records
20 questions across 6 topics. After each answer you see why it is right, with a link to the official source.
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Overhauled and rebuilt descriptions
1. A shop disassembles, cleans, inspects, repairs as necessary, and reassembles a propeller governor so that a required maintenance entry can describe it as overhauled. Under 43.2(a)(1), which methods, techniques, and practices must the shop use for that work?
- A. Any the aircraft owner agrees to in writing
- B. Methods, techniques, and practices acceptable to the Administrator
- C. Any the shop's chief inspector chooses
- D. Only those in the pilot's operating handbook
Show answer
Answer: B. Methods, techniques, and practices acceptable to the Administrator
43.2(a)(1) requires that "Using methods, techniques, and practices acceptable to the Administrator, it has been disassembled, cleaned, inspected, repaired as necessary, and reassembled"; it must also have been tested under 43.2(a)(2).
Source: eCFR: 14 CFR 43.2, Records of overhaul and rebuilding (as of Nov 4, 2026)
2. An engine has been disassembled, cleaned, inspected, repaired as necessary, and reassembled. Under 43.2(a)(2), how must it have been tested before an entry may describe it as overhauled?
- A. Only to test standards the overhaul shop writes for itself
- B. Only to specifications the aircraft owner supplies
- C. Only to the limits in the most recent airworthiness directive
- D. In accordance with approved standards and technical data, or current standards and technical data acceptable to the Administrator developed and documented by the holder of the type certificate, supplemental type certificate, or a part 21 material, part, process, or appliance approval
Show answer
Answer: D. In accordance with approved standards and technical data, or current standards and technical data acceptable to the Administrator developed and documented by the holder of the type certificate, supplemental type certificate, or a part 21 material, part, process, or appliance approval
43.2(a)(2) requires that "It has been tested in accordance with approved standards and technical data, or in accordance with current standards and technical data acceptable to the Administrator, which have been developed and documented by the holder of the type certificate, supplemental type certificate, or a material, part, process, or appliance approval under part 21 of this chapter."
Source: eCFR: 14 CFR 43.2, Records of overhaul and rebuilding (as of Nov 4, 2026)
3. Which parts does 43.2(b) allow in an item described as rebuilt?
- A. New parts, or used parts that conform to new part tolerances and limits or to approved oversized or undersized dimensions
- B. New parts only
- C. Used parts that are within the manufacturer's service limits
- D. Any parts the person approving the work considers serviceable
Show answer
Answer: A. New parts, or used parts that conform to new part tolerances and limits or to approved oversized or undersized dimensions
43.2(b) requires the work to be done "using either new parts or used parts that either conform to new part tolerances and limits or to approved oversized or undersized dimensions."
Source: eCFR: 14 CFR 43.2, Records of overhaul and rebuilding (as of Nov 4, 2026)
Maintenance record entries
4. Under 43.9(a)(1), the maintenance record entry describes the work performed. What does the rule accept in place of that description?
- A. A reference to the aircraft's total time in service
- B. A copy of the owner's purchase order
- C. A reference to data acceptable to the Administrator
- D. The phrase "work completed per owner request"
Show answer
Answer: C. A reference to data acceptable to the Administrator
43.9(a)(1) calls for "A description (or reference to data acceptable to the Administrator) of work performed."
5. A mechanic approves work that another person performed under the mechanic's supervision. Under 43.9(a)(3), whose name must the entry include besides the approving person's signature?
- A. The name of the person who performed the work
- B. The name of the aircraft owner
- C. The name of the FAA inspector for the area
- D. The name of the parts supplier
Show answer
Answer: A. The name of the person who performed the work
43.9(a)(3) requires "The name of the person performing the work if other than the person specified in paragraph (a)(4) of this section", which is the person approving the work.
6. A mechanic replaces a wheel bearing on an aircraft and signs the 43.9(a)(4) entry. A cracked fairing elsewhere on the aircraft was not part of the job. What does the mechanic's signature approve for return to service?
- A. The whole aircraft, including the fairing
- B. The aircraft as being in airworthy condition
- C. Only the wheel bearing work the mechanic performed
- D. Nothing until the aircraft owner countersigns
Show answer
Answer: C. Only the wheel bearing work the mechanic performed
43.9(a)(4) states: "The signature constitutes the approval for return to service only for the work performed."
7. A mechanic performs a major alteration on an airplane with a standard airworthiness certificate and makes the 43.9(a) maintenance record entry. Under 43.9(d), what else is required?
- A. An entry in the pilot's logbook describing the alteration
- B. A letter to the aircraft manufacturer describing the change
- C. Nothing more, because the 43.9(a) entry covers major alterations
- D. The alteration must be entered on a form, and the form disposed of, in the manner prescribed in appendix B
Show answer
Answer: D. The alteration must be entered on a form, and the form disposed of, in the manner prescribed in appendix B
43.9(d) says "In addition to the entry required by paragraph (a) of this section, major repairs and major alterations shall be entered on a form, and the form disposed of, in the manner prescribed in appendix B, by the person performing the work."
Life-limited parts
8. A shop removes a life-limited part and controls it with a tag attached to the part under 43.10(c)(2). What must the tag or record include?
- A. Only the date the part was removed
- B. The part number, serial number, and current life status of the part
- C. Only the name of the person who removed the part
- D. The total time in service of the aircraft it came from
Show answer
Answer: B. The part number, serial number, and current life status of the part
Under 43.10(c)(2), "The tag or record must include the part number, serial number, and current life status of the part."
Source: eCFR: 14 CFR 43.10, Disposition of life-limited aircraft parts (as of Nov 4, 2026)
9. A life-limited part is temporarily removed and reinstalled to perform maintenance. Its life status has not changed, and the product does not accumulate time in service while it is removed. Under 43.10(b), what further condition must be met for no 43.10(c) disposition to be required?
- A. The part is reinstalled by the same person who removed it
- B. The removal and reinstallation is performed on the same serial numbered product
- C. The part is reinstalled on the same calendar day
- D. The removal is reported on FAA Form 337
Show answer
Answer: B. The removal and reinstallation is performed on the same serial numbered product
No disposition is required if the life status has not changed, "The removal and reinstallation is performed on the same serial numbered product", and the product "does not accumulate time in service while the part is removed."
Source: eCFR: 14 CFR 43.10, Disposition of life-limited aircraft parts (as of Nov 4, 2026)
10. If a removed life-limited part is controlled by mutilation under 43.10(c)(6), what must the mutilation do?
- A. Render the part beyond repair and incapable of being reworked to appear to be airworthy
- B. Remove the part number so it cannot be traced
- C. Mark the part with its current life status
- D. Reduce the part to a size that fits a scrap bin
Show answer
Answer: A. Render the part beyond repair and incapable of being reworked to appear to be airworthy
43.10(c)(6) states: "The mutilation must render the part beyond repair and incapable of being reworked to appear to be airworthy."
Source: eCFR: 14 CFR 43.10, Disposition of life-limited aircraft parts (as of Nov 4, 2026)
11. A person removes a life-limited part from a type certificated product and later sells it without mutilating it. What does 43.10(d) require to go with the part?
- A. A new FAA Form 337
- B. A copy of the selling person's mechanic certificate
- C. Only the sales invoice
- D. The mark, tag, or other record used to comply with 43.10
Show answer
Answer: D. The mark, tag, or other record used to comply with 43.10
The person "must transfer with the part the mark, tag, or other record used to comply with this section, unless the part is mutilated before it is sold or transferred."
Source: eCFR: 14 CFR 43.10, Disposition of life-limited aircraft parts (as of Nov 4, 2026)
Inspection record entries
12. A mechanic records a progressive inspection under 43.11(a)(6). Which inspections does the entry's statement say were performed?
- A. An annual inspection of the whole aircraft
- B. A 100-hour inspection of the engines
- C. A routine inspection of the aircraft or components and a detailed inspection of the identified components
- D. A conformity inspection of the type design
Show answer
Answer: C. A routine inspection of the aircraft or components and a detailed inspection of the identified components
The 43.11(a)(6) statement reads: "I certify that in accordance with a progressive inspection program, a routine inspection of (identify whether aircraft or components) and a detailed inspection of (identify components) were performed".
13. After an inspection that is not a progressive inspection, an aircraft is not approved for return to service because of needed maintenance. Under 43.11(a)(5), the entry's statement says a dated list of discrepancies and unairworthy items has been provided for whom?
- A. The local FAA office
- B. The next mechanic who works on the aircraft
- C. The aircraft owner or operator
- D. The aircraft manufacturer
Show answer
Answer: C. The aircraft owner or operator
The statement ends: "a list of discrepancies and unairworthy items dated (date) has been provided for the aircraft owner or operator."
14. If an inspection is conducted under an inspection program provided for in part 91, 125, or § 135.411(a)(1), what must the 43.11(a)(7) entry identify?
- A. The inspection program and that part of the inspection program accomplished
- B. The inspector's employer and the hourly rate charged
- C. Only the date the program was first approved
- D. The aircraft's next scheduled annual inspection date
Show answer
Answer: A. The inspection program and that part of the inspection program accomplished
The entry "must identify the inspection program, that part of the inspection program accomplished, and contain a statement that the inspection was performed in accordance with the inspections and procedures for that particular program."
Discrepancy lists and placards
15. During an inspection required by part 91, which finding makes 43.11(b) require a signed and dated list of discrepancies for the owner or lessee?
- A. The aircraft's paint and upholstery are worn
- B. The aircraft is unairworthy or does not meet the applicable type certificate data, airworthiness directives, or other approved data upon which its airworthiness depends
- C. The aircraft has flown fewer hours than the previous year
- D. The aircraft's registration is due for renewal
Show answer
Answer: B. The aircraft is unairworthy or does not meet the applicable type certificate data, airworthiness directives, or other approved data upon which its airworthiness depends
Under 43.11(b), if the person performing the inspection "finds that the aircraft is unairworthy or does not meet the applicable type certificate data, airworthiness directives, or other approved data upon which its airworthiness depends," that person "must give the owner or lessee a signed and dated list of those discrepancies."
16. For items permitted to be inoperative under § 91.213(d)(2), where does 43.11(b) say the person performing the inspection places a placard marking it "Inoperative"?
- A. Only on the aircraft's entry door
- B. On the cover of the aircraft maintenance record
- C. Next to the aircraft's airworthiness certificate
- D. On each inoperative instrument and the cockpit control of each item of inoperative equipment
Show answer
Answer: D. On each inoperative instrument and the cockpit control of each item of inoperative equipment
That person "shall place a placard, that meets the aircraft's airworthiness certification regulations, on each inoperative instrument and the cockpit control of each item of inoperative equipment".
FAA Form 337 and Appendix B
17. A certificated repair station records a major repair on the customer's work order under Appendix B(b). For an aircraft, what does the maintenance release it gives the owner identify besides the make, model, serial number, and nationality and registration marks?
- A. The location of the repaired area
- B. The price charged for the repair
- C. The name of each employee who worked on the repair
- D. The aircraft's total time in service
Show answer
Answer: A. The location of the repaired area
Under Appendix B(b)(3)(ii), the maintenance release incorporates, "If an aircraft, the make, model, serial number, nationality and registration marks, and location of the repaired area."
18. A certificated repair station uses the customer's work order for a major repair under Appendix B(b). What retention period does Appendix B(b)(2) set for its duplicate copy of the work order?
- A. 30 days from the date of the repair
- B. 90 days from the date of approval for return to service
- C. One year from the date of approval for return to service
- D. At least two years from the date of approval for return to service
Show answer
Answer: D. At least two years from the date of approval for return to service
The repair station must "retain a duplicate copy for at least two years from the date of approval for return to service".
19. Under Appendix B(c), for a major repair or major alteration made by a person authorized in § 43.17, who executes the FAA Form 337?
- A. Only the aircraft owner
- B. Only a certificated repair station
- C. The person who performs the work and the person authorized by § 43.17 to approve that work
- D. The FAA Aircraft Registration Branch
Show answer
Answer: C. The person who performs the work and the person authorized by § 43.17 to approve that work
"the person who performs the major repair or major alteration and the person authorized by § 43.17 to approve that work shall execute an FAA Form 337 at least in duplicate."
20. Appendix B(d) to Part 43 sets its own FAA Form 337 requirements for which installation?
- A. Fuel tanks installed in the wings
- B. Extended-range fuel tanks installed within the passenger compartment or a baggage compartment
- C. Any fuel tank replaced with an identical tank
- D. Cabin-mounted medical oxygen bottles
Show answer
Answer: B. Extended-range fuel tanks installed within the passenger compartment or a baggage compartment
Appendix B(d) applies "For extended-range fuel tanks installed within the passenger compartment or a baggage compartment", and requires FAA Form 337 "in at least triplicate."