What was found
AIRCRAFT WAS NOT GROUNDED: FORWARD LEFT EMERGENCY POWER SUPPLY UNIT BATTERY FAULT. MAINTENANCE REPLACED FORWARD LEFT EMERGENCY POWER SUPPLY UNIT BATTERY PER AMM 33-51-38.
- Difficulty date
- January 6, 2020
- Submitted
- January 9, 2020
- Operation
- Air carrier
- Aircraft
- N170US
- Make and model
- Airbus A321211
- Aircraft serial
- 1462
- Aircraft time
- 63,233 hours, 23,849 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Faulted
- Location
- Cabin
- 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.