What was found
AIRCRAFT WAS GROUNDED: ACRID SMELL IN CABIN DURING CLIMB AND AFTER LANDING WHEN APU BLEED IS TURNED ON. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** OPEN)
- Difficulty date
- August 5, 2025
- Submitted
- August 8, 2025
- Operation
- Air carrier
- Aircraft
- N131NN
- Make and model
- Airbus A321231
- Aircraft serial
- 6472
- Aircraft time
- 34,562 hours, 11,396 cycles
- System (JASC)
- 2120 · Air Distribution System
- Part
- Appu
- Condition
- Odor
- Stage of operation
- CL
- 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.