Service difficulty report · Power Supply · Boeing 747422

Difficulty date
August 31, 2012
Submitted
September 8, 2012
Operation
Air carrier
Aircraft
N122UA
Make and model
Boeing 747422
Aircraft serial
29168
Aircraft time
54,689 hours, 6,424 cycles
Engine
Pwa PW4056
Part
Power Supply
Part number
90085
Condition
Failed
Location
Emergency Light
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 LIGHTS VERY DIM SEAT ROWS 33 LEFT THRU 43 LEFT. REPLACED POWER SUPPLY. OPS NORMAL.