What was found
AIRCRAFT WAS NOT GROUNDED: DURING EMERGENCY POWER SUPPLY UNIT SYSTEM TEST MAINTENANCE FOUND BATTERY FAULT AT EMERGENCY POWER SUPPLY UNIT 12WL. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.
- Difficulty date
- July 15, 2022
- Submitted
- July 15, 2022
- Operation
- Air carrier
- Aircraft
- N123NN
- Make and model
- Airbus A300*
- Aircraft serial
- 6256
- Aircraft time
- 25,220 hours, 7,560 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- None
- 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.