What was found
AIRCRAFT WAS GROUNDED: ACRID SMELL NOTED AT GATE. ODOR RE-OCCURRED BRIEFLY ON DEPARTURE ROLL AND DURING DESCENT. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. MAINTENANCE REPLACED APU IAW TASK CARD 26L31049003.
- Difficulty date
- November 27, 2022
- Submitted
- December 8, 2022
- Operation
- Air carrier
- Aircraft
- N578UW
- Make and model
- Airbus A321231
- Aircraft serial
- 6035
- Aircraft time
- 27,594 hours, 11,142 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Apu
- Part number
- 38007081
- Part serial
- P4927
- Condition
- Odor
- Location
- Zone 100
- Part time
- 34,493 hours, 13,341 cycles
- Stage of operation
- TX
- 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.