What was found
AIRCRAFT WAS NOT GROUNDED: AFT LIGHT BATTERY (13WL) FAILED EMERGENCYPOWER SUPPLY UNIT SYSTEM TEST. REMOVED AND REPLACED AFT BATTERY (13WL) PER AMM 33-51-38.
- Difficulty date
- August 8, 2020
- Submitted
- August 10, 2020
- Operation
- Air carrier
- Aircraft
- N509AY
- Make and model
- Airbus A321231
- Aircraft serial
- 3796
- Aircraft time
- 40,873 hours, 14,648 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Inoperative
- 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.