What was found
ESPU FIN 10WL FAILED ESPU SYSTEM TEST IAW TASK 33-51-00-710-001-A, FAILED ESPU SYSTEM TEST IAW TASK 33-51-00-710-001-A. REPLACED POWER SUPPLY 10WL IAW AMM 31-51-38-000-001-A, ACP EPSU BITE TEST, NO FAULTS.
- Difficulty date
- November 20, 2025
- Submitted
- November 21, 2025
- Operation
- Air carrier
- Aircraft
- N14512
- Make and model
- Airbus A321271NX
- Aircraft serial
- 11953
- Aircraft time
- 4,291 hours, 1,526 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 131699
- Condition
- No Test
- Location
- Zone 200
- Part time
- 4,289 hours, 1,525 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.