What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 11WL BATTERY FAILED SYSTEM TEST IN REFERENCE WITH JOB CARD 26L00005005. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY AT 11WL PER AMM 33-51-38.
- Difficulty date
- August 17, 2026
- Submitted
- August 18, 2026
- Operation
- Air carrier
- Aircraft
- N125UW
- Make and model
- Airbus A320214
- Aircraft serial
- 4086
- Aircraft time
- 44,138 hours, 24,701 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- AD321431
- Condition
- Failed
- 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.