What was found
AIRCRAFT WAS NOT GROUNDED: FOLLOWING EMERGENCY LIGHTS OPERATIONAL TEST, RECEIVED MESSAGE: 335138 /EPSU (12WL) EXT R. REPLACED EMERGENCY POWER SUPPLY UNIT 12WL BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.
- Difficulty date
- August 28, 2022
- Submitted
- August 30, 2022
- Operation
- Air carrier
- Aircraft
- N425AN
- Make and model
- Airbus A321253NX
- Aircraft serial
- 10184
- Aircraft time
- 6,574 hours, 1,735 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- None
- Location
- Zone 200 - Fuse
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.