What was found
AIRCRAFT WAS GROUNDED: EMERGENCY LIGHT TEST FAILED. EMERGENCY POWER SUPPLY UNIT EXIT LOAD EMERGENCY LEFT MESSAGE DISPLAYED. REPLACED EMERGENCY POWER SUPPLY UNIT 11WL PER AMM 33-51-38.
- Difficulty date
- July 26, 2021
- Submitted
- July 28, 2021
- Operation
- Air carrier
- Aircraft
- N764US
- Make and model
- Airbus A319112
- Aircraft serial
- 1369
- Aircraft time
- 53,181 hours, 33,531 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32145410
- Part serial
- 3422
- Condition
- Inoperative
- Location
- Emergency Lights
- Part time
- 53,181 hours, 33,531 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.