Service difficulty report · Battery Pack · Boeing 747428

Difficulty date
January 24, 2017
Submitted
February 18, 2017
Operation
Air carrier
Aircraft
N919CA
Make and model
Boeing 747428
Aircraft serial
25302
Aircraft time
89,251 hours, 13,055 cycles
Part
Battery Pack
Part number
900835AB
Part serial
106064
Condition
Depleted
Location
Zone 800
Part time
2,938 hours, 600 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

RIGHT UPPER DECK DOOR FAILS BATTERY CHECK AND PRESSURE CARTRIDGE TEST DC VOLTS LOW. REMOVED AND REPLACED BATTERY POWER PACK IAW AMM 52-23-14.