What was found
ON TAXI IN APU FAILED TO START. GROUNDED - YES. REMOVED AND REPLACED APU STARTER CONVERTER UNIT PER B737-900 AMM 49-41-61 PB400. OPS CHECK PASSED.ETOPS GROUND VERIFICATION SUCCESSFUL.
- Difficulty date
- December 2, 2021
- Submitted
- December 10, 2021
- Operation
- Air carrier
- Aircraft
- N467AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36362
- Aircraft time
- 27,457 hours, 8,910 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Converter
- Part number
- 1152466250
- Part serial
- 115246604455
- Condition
- Inoperative
- Location
- Apu
- 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.