Service difficulty report · Battery Pack · Boeing 747422

Difficulty date
December 18, 2015
Submitted
December 21, 2015
Operation
Air carrier
Aircraft
N116UA
Make and model
Boeing 747422
Aircraft serial
26908
Aircraft time
68,462 hours, 7,724 cycles
Engine
Pwa PW4056
Part
Battery Pack
Condition
Inoperative
Location
Emergency Lights
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FOUND EMERGENCY LIGHTS ON NR 3 RT OVERWING DOOR 2E FWD LIGHT INOPERATIVE. REPLACED THE POWER SUPPLY & BATTERY PACK M7920 IAW WDM 33-51-41. OPERATIONS CHECKED GOOD.