What was found
THE EMERGENCY LIGHT POWER SUPPLY BATTERY PACK (M33302) FOUND LOW CAPACITY. REPLACED BATTERY PACK AND TEST CARRIED OUT, NORMAL IAW AMM 33-51-06-960-802, REV.106.
- Difficulty date
- February 14, 2026
- Submitted
- February 16, 2026
- Operation
- Air carrier
- Aircraft
- N2639U
- Make and model
- Boeing 777300ER
- Aircraft serial
- 62650
- Aircraft time
- 37,657 hours, 4,130 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71701100
- Condition
- Discharged
- 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.