Service difficulty report · Battery Pack · Boeing 747422

Difficulty date
March 1, 2010
Submitted
March 1, 2010
Operation
Air carrier
Aircraft
N174UA
Make and model
Boeing 747422
Aircraft serial
24381
Aircraft time
78,478 hours, 8,789 cycles
Engine
Pwa PW4056
Part
Battery Pack
Part number
582233
Condition
Faulty
Location
Emergency Light
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

MID-LAV EMERGENCY EXIT LIGHTS WILL NOT STAY ILLUMINATED. REPLACED BATTERY PACK, LIGHTS OP CHECK OK.