What was found
DURING HEAVY MAINTENANCE: EPSU 10WL FWD L POWER SUPPLY FAILED TEST; REMOVED & REPLACED EPSU 10WL IAW A321 AMM 33-51-38-000-001-A/400-001-A .OPS CHECK GOOD IAW A321 AMM 33-51-00-710-001-A & 23-73-00-740-005-B REF STS WO W004320 N0381
- Difficulty date
- March 21, 2026
- Submitted
- March 24, 2026
- Operation
- Air carrier
- Aircraft
- N975JT
- Make and model
- Airbus A321231
- Aircraft serial
- 07520
- Aircraft time
- 33,721 hours, 10,713 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Condition
- No Test
- Location
- Zone 200
- 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.