What was found
AIRCRAFT WAS NOT GROUNDED: LEFT OVERWING EMERGENCY POWER SUPPLY UNIT FAULTING AFTER EMERGENCY LIGHTING OPERATIONAL TEST. REPLACED LEFT OVERWING EMERGENCY POWER SUPPLY UNIT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.
- Difficulty date
- June 26, 2023
- Submitted
- June 27, 2023
- Operation
- Air carrier
- Aircraft
- N766US
- Make and model
- Airbus A319112
- Aircraft serial
- 1378
- Aircraft time
- 58,551 hours, 37,041 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32145410
- Part serial
- 3965
- Condition
- No Test
- Location
- Zone 200 - Fuse
- Part time
- 62,156 hours, 30,726 cycles
- 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.