What was found
AIRCRAFT WAS NOT GROUNDED: DURING EMERGENCY LIGHT CHECK FOUND EMERGENCY POWER SUPPLY UNIT 13WL BATTERY FAULT. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.
- Difficulty date
- May 24, 2022
- Submitted
- May 26, 2022
- Operation
- Air carrier
- Aircraft
- N111ZM
- Make and model
- Airbus A321231
- Aircraft serial
- 5983
- Aircraft time
- 26,910 hours, 5,532 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Defective
- 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.