What was found
DURING FUNCTIONAL CHECK INSPECTION, FOUND UPPER DECK CABIN CEILING LIGHTS INOPERATIVE. LP 58165-1. REMOVED AND REPLACED ASSOCIATED POWER SUPPLY BATTERY PACK AND BATTERY CHARGER - OPERATIONAL CHECK GOOD.
- Difficulty date
- July 16, 2023
- Submitted
- July 20, 2023
- Operation
- Air carrier
- Aircraft
- N756CA
- Make and model
- Boeing 747412
- Aircraft serial
- 26547
- Aircraft time
- 91,508 hours, 14,884 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Component
- Battery Pack
- Component part number
- 20131A
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.