What was found
AIRCRAFT WAS GROUNDED: SOF EVENT. VERY STRONG SMELL OF SWEATY MUSTY SOCKS DURING GROUND OPERATIONS AND THE DESCENT PHASE. SMELL WAS PRESENT THROUGHOUT THE CABIN AND FLIGHT DECK. SMELL DISSIPATED WITH PACKS OFF. (OPEN)
- Difficulty date
- September 30, 2025
- Submitted
- October 2, 2025
- Operation
- Air carrier
- Aircraft
- N163AA
- Make and model
- Airbus A321231
- Aircraft serial
- 6866
- Aircraft time
- 28,295 hours, 11,334 cycles
- System (JASC)
- 2120 · Air Distribution System
- Part
- Unknown
- Condition
- Odor
- Location
- Cabin
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.