What was found
AIRCRAFT WAS GROUNDED: DESCENDING THROUGH 13,000 BEGAN GETTING A DIRTY / WET SOCK SMELL THAT PERSISTED THE REMAINDER OF FLIGHT. MAINTENANCE FOUND THE APU OIL COOLING FAN OIL TRANSFER TUBE LEAKING OIL AND REPLACED THE O-RINGS.
- Difficulty date
- May 25, 2023
- Submitted
- May 30, 2023
- Operation
- Air carrier
- Aircraft
- N647AW
- Make and model
- Airbus A320232
- Aircraft serial
- 762
- Aircraft time
- 82,643 hours, 82,643 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Transfer Tube
- Condition
- Leaking
- Location
- Zone 100 - Fuse
- Component
- Apu · Hnywl · 1319A
- Component part number
- 38007081
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.