What was found
AIRCRAFT WAS NOT GROUNDED: CLASS I BATTERY EMERGENCY POWER SUPPLY UNIT (12WL) FAULT. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY (12WL) PER AMM 33-51-38.
- Difficulty date
- July 10, 2021
- Submitted
- July 12, 2021
- Operation
- Air carrier
- Aircraft
- N928AM
- Make and model
- Airbus A321231
- Aircraft serial
- 7515
- Aircraft time
- 13,287 hours, 5,030 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- Faulted
- Location
- Emergency Lights
- 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.