What was found
AIRCRAFT WAS GROUNDED: EMERGENCY LIGHT SYS TEST FAILED FOR EPSU BATTERY EMER R, EPSU UNIT EMER L AND EPSU COMM AFT L. MAINTENANCE REPLACED EPSU 11WL, OPS CK GOOD IAW AMM 33-51-38-400-002-A.
- Difficulty date
- December 14, 2025
- Submitted
- December 16, 2025
- Operation
- Air carrier
- Aircraft
- N601AW
- Make and model
- Airbus A320232
- Aircraft serial
- 1935
- Aircraft time
- 68,731 hours, 29,355 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Epsu
- Part number
- 32145410
- 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.