What was found
AIRCRAFT WAS NOT GROUNDED. EMERGENCY POWER SUPPLY UNIT 12WL BATTERY INOPERATIVE. REPLACED EMERGENCY POWER SUPPLY UNIT (12WL) BATTERY PER AMM 33-55-00. SYSTEM OPERATIONS CHECKS GOOD.
- Difficulty date
- June 14, 2018
- Submitted
- June 17, 2018
- Operation
- Air carrier
- Aircraft
- N193UW
- Make and model
- Airbus A321211
- Aircraft serial
- 3584
- Aircraft time
- 32,710 hours, 12,583 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Discharged
- Location
- Cabin
- 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.