What was found
AIRCRAFT WAS GROUNDED: ODOR EVENT OIL MIST PRONOUNCED DURING DESCENT WITH ENG HP VALVES OPEN. FOUND APU OIL COOLER HAS INTERNAL LEAK; REPLACED APU OIL COOLER REF AMM 49-91-44. ALSO SEE AALA202004139001
- Difficulty date
- April 13, 2020
- Submitted
- April 13, 2020
- Operation
- Air carrier
- Aircraft
- N754UW
- Make and model
- Airbus A319112
- Aircraft serial
- 1328
- Aircraft time
- 47,139 hours, 33,517 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Oil Cooler
- Part number
- 1604941
- Part serial
- 7822
- Condition
- Leaking
- Location
- Apu
- Part time
- 1,786 hours, 1,017 cycles
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- K, B
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.