What was found
FOUND LT EMERGENCY BATTERY PWR SUPPLY INOP. R&R LT POWER SUPPLY BATTERY PACK AS PER AMM 33-51-04/201. OPS TEST NORM P/N ON OFF :9008-3-5AB S/N ON/OFF 50596/50688 IPC 33-51-04-21
- Difficulty date
- November 26, 2016
- Submitted
- November 28, 2016
- Operation
- Air carrier
- Aircraft
- N579UP
- Make and model
- Boeing 747400
- Aircraft serial
- 26062
- Aircraft time
- 94,372 hours, 15,996 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 900835AB
- Part serial
- 50596
- Condition
- Discharged
- Location
- Cabin
- 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.