What was found
AIRCRAFT IN BASE MAINTENANCE: BAT/EPSU (15WL) MID L FAILED DURING CIDS TEST. MAINTENANCE REPLACED EPSU BATTERY(15WL) IAW AMM 33-51-38.
- Difficulty date
- May 14, 2026
- Submitted
- May 15, 2026
- Operation
- Air carrier
- Aircraft
- N103NN
- Make and model
- Airbus A321231
- Aircraft serial
- 5884
- Aircraft time
- 43,028 hours, 8,596 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.