Service difficulty report · Power Supply · Boeing 747422

Difficulty date
March 21, 2010
Submitted
March 22, 2010
Operation
Air carrier
Aircraft
N174UA
Make and model
Boeing 747422
Aircraft serial
24381
Aircraft time
78,669 hours, 8,814 cycles
Engine
Pwa PW4056
Part
Power Supply
Part number
20131A
Condition
Failed
Location
Cabin
Stage of operation
IN
How discovered
C
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

EEL LIGHTS FLASH AT ROWS 33HJK TO 43HJK. REPLACED M6009 PWR SUPPLY. SYSTEM OP'S CHECKED GOOD.