What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 14WL BATTERY FAULT DURING SYSTEM TEST. REPLACED BATTERY FOR EMERGENCY POWER SUPPLY UNIT 14WL PER AMM 33-51-38.
- Difficulty date
- March 21, 2023
- Submitted
- March 22, 2023
- Operation
- Air carrier
- Aircraft
- N994AN
- Make and model
- Airbus A320*
- Aircraft serial
- 7407
- Aircraft time
- 18,970 hours, 7,318 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- No Test
- Location
- Zone 200 - Fuse
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.