Maintenance Procedures Flashcards

Under 14 CFR 91.413, how often must an ATC transponder be tested and inspected?

Answer: Every 24 calendar months

14 CFR 91.413 requires transponder testing within the preceding 24 calendar months.

Which FAA regulation specifies the content required for a maintenance record entry after work is performed?

Answer: 14 CFR 43.9

14 CFR 43.9 requires a description of work, completion date, name of the person, and signature with certificate number.

Which FAA Advisory Circular is the standard reference for acceptable methods of aircraft wiring repair when no manufacturer data exists?

Answer: AC 43.13-1B

AC 43.13-1B, Chapter 11, covers acceptable practices for aircraft electrical system inspection and repair.

Before removing a line-replaceable unit (LRU) from an avionics rack, what should a technician do first?

Answer: Open and tag the associated circuit breakers

Pulling and tagging (collaring) the circuit breakers removes power and prevents accidental re-energizing during removal.

A wrist strap used for ESD protection typically contains a series resistor of about what value?

Answer: 1 megohm

A 1 megohm resistor limits current through the technician if they contact a live voltage while grounded.

When performing troubleshooting using the half-split method, the technician should:

Answer: Test at the midpoint of the signal path to isolate which half contains the fault

Half-splitting repeatedly divides the circuit in half to narrow the fault location efficiently.

Which ATA iSpec 2200 chapter covers navigation systems such as VOR, ILS, and air data?

Answer: ATA 34

ATA Chapter 34 is Navigation, including air data, VOR, ILS, DME, and weather radar.