What was found
AIRCRAFT WAS NOT GROUNDED: DURING A CHECK FOUND L1 EPSU INOP. MAINTENANCE REPLACED L1 EPSU IAW AMM 33-51-38.
- Difficulty date
- August 30, 2026
- Submitted
- September 3, 2026
- Operation
- Air carrier
- Aircraft
- N131NN
- Make and model
- Airbus A321231
- Aircraft serial
- 6472
- Aircraft time
- 38,120 hours, 12,878 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 146128
- Condition
- Inoperative
- 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.