What was found
AIRCRAFT WAS GROUNDED: DESCENDING THRU10000 FT THE PACKS GIVE OFF STRONG ODOR - MAINTENANCE FOUND THE APU OIL COOLING FAN LEAKING OIL FROM THE FAN SIDE OF THE TRANSFER TUBE AND REPLACED IT PER AMM 49-52-51
- Difficulty date
- September 12, 2026
- Submitted
- September 16, 2026
- Operation
- Air carrier
- Aircraft
- N111ZM
- Make and model
- Airbus A321231
- Aircraft serial
- 5983
- Aircraft time
- 44,326 hours, 8,892 cycles
- System (JASC)
- 2121 · Air Distribution Fan
- Part
- Cooling Fan
- Part number
- 707239471
- Part serial
- P3725CC
- Condition
- Leaking
- Location
- Zone 100
- 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.