What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY POWER SUPPLY UNIT 11WL FAILED BITE TEST. RESEATED POWER SUPPLY BATTERY PER AMM 33-51-38-000/400-002 AND AMM 33-51-00-710-001.
- Difficulty date
- August 18, 2021
- Submitted
- August 19, 2021
- Operation
- Air carrier
- Aircraft
- N199UW
- Make and model
- Airbus A321211
- Aircraft serial
- 5475
- Aircraft time
- 26,970 hours, 10,732 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Not Seated
- 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.