What was found
APU QUIT AND TURNED FELL OFF. GROUNDED - YES. PER TECH SERVICES VERIFIED FAULT 49-41181 SHOW FROM STARTS 4 THRU 8. REMOVED PRECAUTIONARY AND REPLACED APU IGN PLUG AND APU IGN UNIT REF B737-800 AMM 49-41-31 AND 49-41-51 OPS TEST GOOD.
- Difficulty date
- January 11, 2022
- Submitted
- January 19, 2022
- Operation
- Air carrier
- Aircraft
- N577AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35186
- Aircraft time
- 53,062 hours, 15,759 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Exciter
- Part number
- 38880585
- Part serial
- 030218037319
- Condition
- Inoperative
- Location
- Apu
- Part time
- 4,359 hours, 7,522 cycles
- Stage of operation
- CR
- 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.