What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT SYSTEM FAULT , DOOR 2L- WELS BATTERY DEGRADED. FAULTS CODE 33-11323, MAINTENANCE REPLACED WELLS BATTERY AT WCU23 REF DMC-B787-A-33-50-F1-60A-421A-A.
- Difficulty date
- February 22, 2025
- Submitted
- February 24, 2025
- Operation
- Air carrier
- Aircraft
- N828AA
- Make and model
- Boeing 7879
- Aircraft serial
- 40648
- Aircraft time
- 31,031 hours, 3,690 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 100260201
- 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.