Service difficulty report · Battery Pack · Boeing 747451

Difficulty date
February 1, 2008
Submitted
February 4, 2008
Operation
Air carrier
Aircraft
N676NW
Make and model
Boeing 747451
Aircraft serial
33002
Aircraft time
26,626 hours, 3,438 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

DURING LINE CHECK, FOUND RT UPPER DECK DOOR RIGHT BATTERY PACK FAILED TEST. REPLACED EMERGENCY POWER SYSTEM BATTERY PACK PER MM 52-23-14. FUNCTION CHECKED GOOD AND AIRCRAFT HAS RETURNED TO SERVICE.