What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY LIGHT BATTERY PACK FAILED CAPACITY CHECK AT RT. SIDE CEILING LOCATION ZONE 1. MAINTENANCE REPLACED EMERGENCY LIGHT POWER SUPPLY ON RT SIDE CEILING AT ZONE 1 IAW AMM 33-51-06.
- Difficulty date
- September 16, 2025
- Submitted
- September 23, 2025
- Operation
- Air carrier
- Aircraft
- N758AN
- Make and model
- Boeing 777223
- Aircraft serial
- 32637
- Aircraft time
- 91,468 hours, 11,738 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D717020001
- Condition
- No Test
- 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.