AM Aircraft Maintenance Procedures & Documentation 2 — Questions and Answers
Question 1: When must a maintenance record entry be made according to 14 CFR Part 43?
- Within 72 hours of completing work
- Before the aircraft is approved for return to service (Correct answer)
- At the end of the work week
- Only when the FAA requests it
Correct answer: Before the aircraft is approved for return to service
14 CFR Part 43.9 requires a maintenance record entry to be made before the aircraft is approved for return to service.
Question 2: Which document authorizes an A&P mechanic to perform maintenance on a specific aircraft make and model?
- A Type Certificate
- An Airworthiness Certificate
- The aircraft's Approved Maintenance Manual (AMM) (Correct answer)
- A Supplemental Type Certificate (STC)
Correct answer: The aircraft's Approved Maintenance Manual (AMM)
The Approved Maintenance Manual (AMM) provides the approved data and procedures specific to that aircraft make and model.
Question 3: What is the purpose of a Mechanical Interruption Summary (MIS) report?
- To document unscheduled engine shutdowns or diversions (Correct answer)
- To record scheduled component removals
- To track daily maintenance inspections
- To authorize overtime maintenance work
Correct answer: To document unscheduled engine shutdowns or diversions
A Mechanical Interruption Summary records unscheduled engine shutdowns, flight diversions, and air turnbacks caused by mechanical issues.
Question 4: A logbook entry for an annual inspection must be signed by which of the following?
- Any certificated A&P mechanic
- An A&P mechanic with Inspection Authorization (IA) (Correct answer)
- The aircraft owner
- An FAA airworthiness inspector
Correct answer: An A&P mechanic with Inspection Authorization (IA)
Annual inspections must be signed off by an A&P mechanic holding an Inspection Authorization (IA) per 14 CFR Part 43.
Question 5: What does the term 'back to birth' traceability mean in aircraft maintenance?
- Returning a part to the original manufacturer for overhaul
- Documentation that traces a part's history from initial manufacture through all subsequent uses (Correct answer)
- Inspecting a component from the engine back to the airframe
- A maintenance procedure that restores a component to new condition
Correct answer: Documentation that traces a part's history from initial manufacture through all subsequent uses
'Back to birth' traceability means complete documented history of a part from its manufacture through every installation and removal.
Question 6: Which of the following is NOT required in a maintenance record entry per 14 CFR 43.9?
- Description of the work performed
- Date the work was completed
- Signature and certificate number of the person approving the work
- Total flight hours logged on the aircraft (Correct answer)
Correct answer: Total flight hours logged on the aircraft
14 CFR 43.9 requires description of work, date, name, certificate number, and kind of certificate; total aircraft flight hours is not a mandated element.
Question 7: When using an Engineering Order (EO) for a maintenance task, what must the mechanic do upon completion?
- Return the EO to the engineering department for archiving
- Sign off the EO and reference it in the maintenance record (Correct answer)
- Destroy the EO after the task is complete
- Forward the EO to the FAA for approval
Correct answer: Sign off the EO and reference it in the maintenance record
The mechanic must sign off the Engineering Order upon task completion and reference it in the aircraft maintenance record.
AM Aircraft Maintenance Procedures & Documentation 2
When must a maintenance record entry be made according to 14 CFR Part 43?