Service difficulty report · Battery Pack · Boeing 757251

Difficulty date
December 15, 2013
Submitted
December 16, 2013
Operation
Air carrier
Aircraft
N553NW
Make and model
Boeing 757251
Aircraft serial
26500
Aircraft time
36,245 hours, 15,107 cycles
Part
Battery Pack
Condition
No Test
Location
Emergency Lights
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 BATTERY PACKS M730 & M732 FAILS CAPACITY TEST. REPLACED BATTERY PACKS IAW AMM 33-51. OPS CHECKED GOOD.