What was found
AIRCRAFT WAS GROUNDED: DIRTY SOCK SMELL STARTED AFTER PUSH BACK AND CONTINUED THROUGHOUT THE AIRCRAFT DURING THE FLIGHT - MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU (OPEN)
- Difficulty date
- October 21, 2026
- Submitted
- October 22, 2026
- Operation
- Air carrier
- Aircraft
- N186US
- Make and model
- Airbus A321211
- Aircraft serial
- 1701
- Aircraft time
- 78,971 hours, 30,880 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Apu
- Condition
- Odor
- Location
- Zone 100
- Stage of operation
- CL
- 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.