Service difficulty report · Battery Pack · Boeing 747451

Difficulty date
August 31, 2009
Submitted
September 1, 2009
Operation
Air carrier
Aircraft
N662US
Make and model
Boeing 747451
Aircraft serial
23720
Aircraft time
86,053 hours, 11,033 cycles
Part
Battery Pack
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.

What was found

DURING MAINTENANCE FOUND UPPER DECK OVERHEAD EMERGENCY EXIT LIGHT AT SEAT 80J INOPERATIVE. MAINTENANCE REPLACED BATTERY PACK M6378. SYSTEM OPERATION WAS NORMAL AFTER BATTERY PACK REPLACED.