What was found
AIRCRAFT WAS GROUNDED: DIRTY SOCK SMELL DURING DECENT WITH ENGINE AT IDLE. APU OIL COOLING FAN FOUND TO BE LEAKING OIL. REMOVED AND REPLACED O-RINGS PER AMM 49-52-51.
- Difficulty date
- July 24, 2024
- Submitted
- July 25, 2024
- Operation
- Air carrier
- Aircraft
- N907AA
- Make and model
- Airbus A321231
- Aircraft serial
- 7732
- Aircraft time
- 21,701 hours, 8,522 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- O-Ring
- Condition
- Leaking
- Location
- Zone 100
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- K, B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.