What was found
DURING 2SVC, TEST OF EMERGENCY LIGHTS AT CIDS PANEL FAILED; -EPSU BATTERY AFT L-. REPLACED AFT EPSU BATTERY. EMER LIGHTS TEST OK.
- Difficulty date
- December 13, 2025
- Submitted
- December 15, 2025
- Operation
- Air carrier
- Aircraft
- N489UA
- Make and model
- Airbus A320232
- Aircraft serial
- 1702
- Aircraft time
- 69,443 hours, 30,792 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- AD321431
- Condition
- Malfunctioned
- Location
- Aft Cabin
- 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.