What was found
CABIN EMERGENCY LIGHTING OP CHK SHOWS FAULT, EPSU UNIT FWD LT, ON PTP SCREEN. REMOVED AND REPLACED FWD LT EPSU BATTERY IAW AMM 33-51-38. PTP CABIN EMERGENCY LIGHTING OP CHK GOOD. OK TO SERVICE.
- Difficulty date
- July 26, 2026
- Submitted
- July 27, 2026
- Operation
- Air carrier
- Aircraft
- N841UA
- Make and model
- Airbus A319131
- Aircraft serial
- 1545
- Aircraft time
- 69,363 hours, 31,135 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- AD321431
- Condition
- Faulted
- 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.