What was found
RIGHT UPPER DECK DOOR ASSIST BOTTLE BATTERY INOPERATIVE. - REPLACED RIGHT UPPER DECK DOOR ASSIST BOTTLE BATTERY PACK IN ACCORDANCE WITH B747 AIRCRAFT MAINTENANCE MANUAL 52-23-15. OPERATIONAL CHECK GOOD.
- Difficulty date
- December 12, 2021
- Submitted
- December 13, 2021
- Operation
- Air carrier
- Aircraft
- N756CA
- Make and model
- Boeing 747412
- Aircraft serial
- 26547
- Aircraft time
- 86,861 hours, 14,125 cycles
- System (JASC)
- 5220 · Emergency Exits
- Part
- Power Supply
- Part number
- 900835AB
- Part serial
- 104256
- Condition
- Inoperative
- Location
- Zone 200
- Part time
- 2,779 hours, 452 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.