What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 12WL BATTERY FAILED EMERGENCY POWER SUPPLY UNIT SYSTEM TEST IN REFERENCE WITH JOB CARD 26L00005005. MAINTENANCE REPLACED BATTERY PER AMM 33-51-38.
- Difficulty date
- September 28, 2019
- Submitted
- October 1, 2019
- Operation
- Air carrier
- Aircraft
- N193UW
- Make and model
- Airbus A321211
- Aircraft serial
- 3584
- Aircraft time
- 37,161 hours, 14,310 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- No Test
- Location
- Emergency Lights
- 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.