What was found
AIRCRAFT WAS GROUNDED: EMERGENCY POWER SUPPLY UNIT 11WL FAULT DISPLAYED DURING CIDS 1 SYSTEM TEST. MAINTENANCE REPLACED THE EMERGENCY POWER SUPPLY UNIT 11WL BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.
- Difficulty date
- October 21, 2024
- Submitted
- October 22, 2024
- Operation
- Air carrier
- Aircraft
- N118NN
- Make and model
- Airbus A321231
- Aircraft serial
- 6162
- Aircraft time
- 32,433 hours, 10,537 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- AD31431
- Condition
- Faulted
- Location
- Zone 200
- 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.