What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 11WL BATTERY FAULT DISPLAYED DURING SYSTEM TEST. MAINTENANCE BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.
- Difficulty date
- November 13, 2022
- Submitted
- November 15, 2022
- Operation
- Air carrier
- Aircraft
- N172US
- Make and model
- Airbus A321211
- Aircraft serial
- 1472
- Aircraft time
- 70,489 hours, 26,717 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- No Test
- Location
- Emergency Lgihts
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L, J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.