What was found
AIRCRAFT WAS GROUNDED: EMERGENCY POWER SUPPLY UNIT TEST SHOWS 15WL BATTERY FAULT. REMOVED AND REPLACED 15WL BATTERY PER AMM 33-51-38.
- Difficulty date
- October 11, 2021
- Submitted
- October 13, 2021
- Operation
- Air carrier
- Aircraft
- N535UW
- Make and model
- Airbus A321231
- Aircraft serial
- 3993
- Aircraft time
- 42,002 hours, 15,175 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Inoperative
- Location
- Zone 200 - Fuse
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.