What was found
DURING EMERGENCY LIGHTS OPS CHECK, FOUND WCU2 (M3351002) FAILED IAW AMM B787-A-33-51-00-00C-320A-A. R & R M3351002 BATTERY, OPS NORMAL IAW AMM 33-51-07-09A-921A-A.
- Difficulty date
- February 12, 2026
- Submitted
- February 13, 2026
- Operation
- Air carrier
- Aircraft
- N26910
- Make and model
- Boeing 7878
- Aircraft serial
- 34826
- Aircraft time
- 49,379 hours, 5,980 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- AD100260201
- Part serial
- AD24121756
- Condition
- Faulty
- Location
- Zone 200
- Part time
- 710 hours, 81 cycles
- 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.