What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT TEST FAILED. REPLACED EMERGENCY LIGHT BATTERIES L2 (AALA202104159005) AND R2 PER AMM 33-51-38.
- Difficulty date
- April 14, 2021
- Submitted
- April 15, 2021
- Operation
- Air carrier
- Aircraft
- N975UY
- Make and model
- Airbus A321231
- Aircraft serial
- 4935
- Aircraft time
- 11,963 hours, 31,725 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- No Test
- 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.