What was found
AIRCRAFT IN BASE MAINTENANCE: INOPERATIVE BATTERY EMERGENCY POWER SUPPLY UNIT 14WL IN PASSENGER CABIN (3 EA). REPLACED BATTERY EMERGENCY POWER SUPPLY UNIT 14WL IN PASSENGER CABIN PER AMM 33-51-38-400-002-A.
- Difficulty date
- April 16, 2021
- Submitted
- April 19, 2021
- Operation
- Air carrier
- Aircraft
- N197UW
- Make and model
- Airbus A321211
- Aircraft serial
- 3928
- Aircraft time
- 37,283 hours, 14,478 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Part serial
- 842161
- Condition
- Inoperative
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.