What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 13WL BATTERY FAILED OPERATIONAL CHECK. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38
- Difficulty date
- October 1, 2021
- Submitted
- October 4, 2021
- Operation
- Air carrier
- Aircraft
- N153UW
- Make and model
- Airbus A321211
- Aircraft serial
- 5594
- Aircraft time
- 26,004 hours, 10,382 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Inoperative
- Location
- Zone 200 - Fuse
- 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.