Service difficulty report · Battery Pack · Boeing 747428

Difficulty date
January 2, 2016
Submitted
January 4, 2016
Operation
Air carrier
Aircraft
N952CA
Make and model
Boeing 747428
Aircraft serial
25238
Aircraft time
88,580 hours, 13,042 cycles
Part
Battery Pack
Part number
900835AB
Part serial
105679
Condition
Discharged
Location
Emergency Light
Part time
2,816 hours, 603 cycles
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.

What was found

LEFT UPPER DECK DOOR EMERGENCY BATTERY PACK DOES NOT TEST. R & R LT UPPER DECK DOOR BATTERY CHARGER IAW AMM 33-51-04 AND BATTERY IAW AMM 52-23-14. TESTS NORMAL.