What was found
APU WOULD NOT START AFTER LANDING. MADE 2 ATTEMPTS. GROUNDED - YES. REF T/C 78349010 FOR APU REMOVAL AND REPLACEMENT. ALL OPS AND LEAK CHECKS GOOD.
- Difficulty date
- December 27, 2021
- Submitted
- January 4, 2022
- Operation
- Air carrier
- Aircraft
- N508AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35691
- Aircraft time
- 48,882 hours, 14,383 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Apu
- Part number
- 38007021
- Part serial
- P7658
- Condition
- Inoperative
- Location
- Apu Compartment
- Part time
- 19,317 hours, 24,644 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.