What was found
AIRCRAFT WAS GROUNDED: CREW REPORTS MUSTY SMELL LOW AIRFLOW FROM AIR CONDITION PACKS. **SUPPLEMENTAL INFORMATION: FOUND SOURCE OF ODOR EVENT TO BE APU LEAKING OIL. REMOVED AND REPLACED APU OIL COOLER IAW AMM 49-91-44.**
- Difficulty date
- March 18, 2021
- Submitted
- March 24, 2021
- Operation
- Air carrier
- Aircraft
- N669AW
- Make and model
- Airbus A320232
- Aircraft serial
- 1792
- Aircraft time
- 62,603 hours, 24,747 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Oil Cooler
- Part number
- 38807991
- Part serial
- 981408600278
- Condition
- Leaking
- Location
- Apu
- Part time
- 49,330 hours, 20,643 cycles
- Stage of operation
- NR
- 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.