Service difficulty report · Battery Pack · Boeing 747481

Difficulty date
November 12, 2015
Submitted
November 17, 2015
Operation
Air carrier
Aircraft
N322SG
Make and model
Boeing 747481
Aircraft serial
30322
Aircraft time
41,329 hours, 5,554 cycles
Part
Battery Pack
Part number
20131A
Part serial
10306
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

MULTIPLE EMER LIGHTS INOPERATIVE. REPLACED EMER BATTERY PACK M5057 & RELAMPED NUMEROUS EMER LIGHTS IAW AMM TASK 33-51-04-902-001.