Service difficulty report · Power Supply · Boeing 747451

Difficulty date
June 16, 2007
Submitted
June 22, 2007
Operation
Air carrier
Aircraft
N105UA
Make and model
Boeing 747451
Aircraft serial
26473
Aircraft time
53,074 hours, 6,465 cycles
Engine
Pwa PW4056
Part
Power Supply
Part number
20131A
Condition
Faulty
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

EMERGENCY LIGHTS BY SEATS 35-44 HJ TURN ON UNCOMMANDED. *S/D* REPLACED POWER SUPPLY AT DOOR 3R.