What was found
AIRCRAFT WAS NOT GROUNDED: DURING PS CHECK EMERGENCY POWER SUPPLY UNIT (10WL) BATTERY FAULTS. REPLACED BATTERY PER AMM 33-51-38.
- Difficulty date
- August 1, 2020
- Submitted
- August 3, 2020
- Operation
- Air carrier
- Aircraft
- N556UW
- Make and model
- Airbus A321231
- Aircraft serial
- 5244
- Aircraft time
- 26,337 hours, 10,577 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- AD321431
- Condition
- No Test
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.