What was found
AIRCRAFT WAS GROUNDED: OIL ODOR BEGAN IN DESCENT WHEN POWER WENT TO IDLE. SEEMS TO BECONSISTENT BETWEEN BACK AND FRONT OF CABIN. REPLACED APU OIL COOLER AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK PER AMM 49-91-44.
- Difficulty date
- May 23, 2021
- Submitted
- May 25, 2021
- Operation
- Air carrier
- Aircraft
- N118NN
- Make and model
- Airbus A321231
- Aircraft serial
- 6162
- Aircraft time
- 22,390 hours, 6,350 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Oil Cooler
- Part number
- 1604941
- Part serial
- 4384
- Condition
- Leaking
- Location
- Apu
- Part time
- 9,713 hours, 4,651 cycles
- 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.