What was found
AIRCRAFT WAS GROUNDED: EPSU BITE TEST FAILED. FAULT SHOWED 33-51-38, EPSU UNIT EMER R. MAINTENANCE REPLACED EPSU 12WL IAW AMM 33-51-38
- Difficulty date
- January 16, 2025
- Submitted
- January 19, 2025
- Operation
- Air carrier
- Aircraft
- N757UW
- Make and model
- Airbus A319112
- Aircraft serial
- 1342
- Aircraft time
- 58,316 hours, 39,551 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 321454
- Part serial
- 2986
- Condition
- No Test
- Location
- Zone 200
- Part time
- 83,854 hours, 38,505 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.