What was found
APU INLET DOOR CB TRIPS DURING APU SHUTDOWN, RESTRICTING THE APU DOOR TO CLOSE. ISSUE WAS ISOLATED TO A WORN APU INLET DOOR ACTUATOR WHICH WAS REPLACED AND CONFIRMED OPERATIONAL.
- Difficulty date
- May 4, 2021
- Submitted
- May 5, 2021
- Operation
- Air carrier
- Aircraft
- N922TS
- Make and model
- Boeing 757260PF
- Aircraft serial
- 24845
- Aircraft time
- 100,077 hours, 26,396 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Actuator
- Part number
- 7321387009
- Part serial
- 120460
- Condition
- Worn
- Location
- Apu Inlet Door
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.