What was found
AIRCRAFT WAS GROUNDED: L3 DOOR EMERGENCY POWER SUPPLY UNIT FAILS TEST. MAINTENANCE REPLACED BATTERY IN THE EMERGENCY POWER SUPPLY UNIT PER AMM 33-51-38.
- Difficulty date
- February 25, 2023
- Submitted
- March 1, 2023
- Operation
- Air carrier
- Aircraft
- N101NN
- Make and model
- Airbus A321231
- Aircraft serial
- 5834
- Aircraft time
- 29,820 hours, 6,152 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- No Test
- Location
- Zone 200 - Fuse
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.