What was found
MUSTY ODOR ON FLIGHT DECK AS WE DESCENDED TO 4000' MIL. SEEMED TO GO AWAY BUT RETURNED AFTER LANDING. REPLACED APU. (LP 7781910, 1252891)
- Difficulty date
- October 16, 2025
- Submitted
- October 16, 2025
- Operation
- Air carrier
- Aircraft
- N381DZ
- Make and model
- Airbus A321211
- Aircraft serial
- 8859
- Aircraft time
- 20,760 hours, 8,908 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Apu
- Condition
- Odor
- Location
- Zone 100
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- B
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.