What was found
APU FAILED CSS. GROUNDED - YES. REMOVED AND REPLACED APU LUBE UNIT PER B737-800 AMM 49-91-11.
- Difficulty date
- August 21, 2022
- Submitted
- August 29, 2022
- Operation
- Air carrier
- Aircraft
- N577AS
- Make and model
- Boeing 737
- Aircraft serial
- 35186
- Aircraft time
- 55,287 hours, 16,378 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Unknown
- Part number
- 41310203
- Part serial
- 5229
- Condition
- Failed
- Location
- Apu Compartment
- Part time
- 13,548 hours, 24,862 cycles
- Stage of operation
- NR
- 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.