What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT EMERGENCY LIGHT TEST FAILS L1 BATTERY 10WL. REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY 10WL PER AMM 33-51-38 OPERATIONS TEST GOOD OPS CHECKS GOOD.
- Difficulty date
- February 9, 2022
- Submitted
- February 10, 2022
- Operation
- Air carrier
- Aircraft
- N106NN
- Make and model
- Airbus A321231
- Aircraft serial
- 5932
- Aircraft time
- 26,346 hours, 5,430 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Failed
- 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.