Service difficulty report · Power Supply · Boeing 757222

Difficulty date
November 4, 2014
Submitted
November 5, 2014
Operation
Air carrier
Aircraft
N797FD
Make and model
Boeing 757222
Aircraft serial
28143
Aircraft time
56,568 hours, 20,946 cycles
Part
Power Supply
Condition
Malfunctioned
Location
Cockpit
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

ON SERVICE CHECK FOUND FLIGHT DECK EMER LIGHT NOT WORKING. DISCONNECTED THE FWD & AFT EMER LIGHTING POWER SUPPLIES & THEN RECONNECTED BOTH. ACFT WAS POWERED UP FOR APPROX 2 HRS, THEN RAN THE POWER SUPPLY TEST ON EACH IAW MM 33-51-07-02. BOTH POWER SUPPLIES WORKED & ALL EMER LIGHTS ILLUMINATED. RAN THE EMER LIGHT TEST, ALL EMER LIGHTS ILLUMINATED. ACFT OK FOR SERVICE.