What was found
POWER SUPPLY, BATTERY PACK CAPACITY CHECK PROCEDURE, EMER PATH LIGHT UNILLUMINATED AFTER 5 MINS AT SEAT 52DG - 58DG. REPLACED THE BATTERY PACK OF M33409 POWER SUPPLY, OPS CHECKED GOOD. IAW AMM 33-51-06-960-802.
- Difficulty date
- August 26, 2026
- Submitted
- August 27, 2026
- Operation
- Air carrier
- Aircraft
- N2138U
- Make and model
- Boeing 777300ER
- Aircraft serial
- 62649
- Aircraft time
- 38,993 hours, 4,176 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 99335130015
- 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.