Service difficulty report · Battery Pack · Boeing 767432ER

Difficulty date
July 11, 2012
Submitted
July 16, 2012
Operation
Air carrier
Aircraft
N839MH
Make and model
Boeing 767432ER
Aircraft serial
29712
Aircraft time
45,337 hours, 9,799 cycles
Part
Battery Pack
Part number
D71701100
Condition
Inoperative
Location
Emergency Light
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

TEST OF EMERGENCY PATH LIGHTING SYSTEM SHOWED THAT THE PATH LIGHTS AT SEATS 15B THROUGH 20B WERE NOT ILLUMINATING. MAINTENANCE FOUND THAT THE BATTERY PACK WAS INOPERATIVE. REMOVED AND REPLACED BATTERY, OPS GOOD.