Service difficulty report · Battery Pack · Boeing 747409

Difficulty date
December 6, 2015
Submitted
December 10, 2015
Operation
Air carrier
Aircraft
N780BA
Make and model
Boeing 747409
Aircraft serial
24310
Aircraft time
76,891 hours, 14,922 cycles
Part
Battery Pack
Part number
5502511EGAT
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

FOUND L1 DOOR EMER LIGHT INOPERATIVE. IAW CMM 33-50-14 REV 8 STEP 2 E, REPLACED BATTERY PACK ASSEMBLY OF EMER LIGHT AT L1 DOOR & CHECKED NORMAL. IAW AMM 33-51-00-715-001 REV 85, PERFORMED OPERATIONAL TEST OF L1 DOOR EMER LIGHT & THE RESULT WAS SATISFACTORY.