What was found
AIRCRAFT WAS NOT GROUNDED: DURING PS CHECK EMERGENCY POWER SUPPLY UNIT 15WL FAILED TEST. REPLACED BATTERY PACK AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.
- Difficulty date
- August 3, 2021
- Submitted
- August 8, 2021
- Operation
- Air carrier
- Aircraft
- N914UY
- Make and model
- Airbus A321231
- Aircraft serial
- 6337
- Aircraft time
- 22,084 hours, 8,646 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Failed
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.