What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY POWER SUPPLY UNIT 16WL FAILED SYSTEM TEST. REPLACED EMERGENCY POWER SUPPLY UNIT 16WL AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.
- Difficulty date
- May 18, 2026
- Submitted
- May 26, 2026
- Operation
- Air carrier
- Aircraft
- N424AN
- Make and model
- Airbus A321253NX
- Aircraft serial
- 10141
- Aircraft time
- 21,081 hours, 5,808 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- 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.