What was found
AIRCRAFT WAS GROUNDED: FUMES REPORTED IN AFT CABIN DURING INITIAL CLIMB. MAINTENANCE HAS ISOLATED THE SOURCE OF THE ODOR TO THE APU. REPLACED APU AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK.
- Difficulty date
- November 2, 2021
- Submitted
- November 10, 2021
- Operation
- Air carrier
- Aircraft
- N553UW
- Make and model
- Airbus A321231
- Aircraft serial
- 4960
- Aircraft time
- 31,668 hours, 11,959 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Apu
- Part number
- 38007081
- Part serial
- P3351
- Condition
- Leaking
- Location
- Zone 100
- Part time
- 34,783 hours, 21,917 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- K, B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.