What was found
AIRCRAFT WAS NOT GROUNDED: 12WL EMERGENCY POWER SUPPLY UNIT BATTERY REQUIRES REPLACEMENT DUE TO EMERGENCY POWER SUPPLY UNIT BATTERY FAULT DURING TEST. REMOVED AND REPLACED THE EMERGENCY POWER SUPPLY UNIT BATTERY 12WL PER AMM 33-51-38.
- Difficulty date
- May 9, 2024
- Submitted
- May 10, 2024
- Operation
- Air carrier
- Aircraft
- N186US
- Make and model
- Airbus A321211
- Aircraft serial
- 1701
- Aircraft time
- 72,305 hours, 27,967 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- AD321431
- Condition
- No Test
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.