Service difficulty report · Battery Pack · Boeing 747428

Difficulty date
April 1, 2016
Submitted
April 7, 2016
Operation
Air carrier
Aircraft
N952CA
Make and model
Boeing 747428
Aircraft serial
25238
Aircraft time
89,215 hours, 13,175 cycles
Engine
Ge CF680C2B1F
Part
Battery Pack
Part number
20131A
Part serial
38144
Condition
Discharged
Location
Emergency Lights
Part time
89,215 hours, 13,175 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

EMERGENCY EXIT LIGHT ASSY INOPERATIVE AT BASE OF STAIRS AND L-1 DOOR. R & R M5170 BATTERY PACK IAW AMM 33-51-04, OPS CHECK GOOD.