What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 15WL FAILED TEST. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT PER AMM 33-51-38. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.
- Difficulty date
- February 5, 2023
- Submitted
- February 8, 2023
- Operation
- Air carrier
- Aircraft
- N189UW
- Make and model
- Airbus A300*
- Aircraft serial
- 1425
- Aircraft time
- 70,223 hours, 26,701 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32145510
- Part serial
- 2253
- Condition
- No Test
- Location
- Zone 200 - Fuse
- Part time
- 53,570 hours, 20,128 cycles
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.