What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT WL14 FAULT. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY AT POSITION WL14 PER AMM 33-51-38.
- Difficulty date
- March 30, 2021
- Submitted
- March 31, 2021
- Operation
- Air carrier
- Aircraft
- N137AA
- Make and model
- Airbus A321231
- Aircraft serial
- 6647
- Aircraft time
- 17,118 hours, 6,434 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Condition
- Faulted
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.