What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT BATTERY 13WL REQUIRES REPLACEMENT. REPLACED EPSU BATTERY WITH NEW IAW AMM 33-51-38, OPS CHECK GOOD.
- Difficulty date
- September 24, 2021
- Submitted
- September 27, 2021
- Operation
- Air carrier
- Aircraft
- N109NN
- Make and model
- Airbus A321231
- Aircraft serial
- 5955
- Aircraft time
- 25,528 hours, 5,214 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Inoperative
- Location
- Zone 200 - Fuse
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.