What was found
APU FAILED TO START. FAULT LIGHT ON. GROUNDED - YES. REMOVED AND REPLACED APU STARTER GENERATOR REF B737-800 AMM 49-41-21-400-801. REMOVED AND REPLACED START CONVERTER UNIT REF AMM 49-41-61/401.
- Difficulty date
- August 1, 2022
- Submitted
- August 3, 2022
- Operation
- Air carrier
- Aircraft
- N585AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35683
- Aircraft time
- 54,489 hours, 16,222 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Generator
- Part number
- 28B5459STYLEA
- Part serial
- 125F1872
- Condition
- Failed
- Location
- Apu / Ee Rack E2
- Part time
- 5,737 hours, 10,385 cycles
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.