SDR SB07099

Service difficulty report · Power Supply · Boeing 737401

Difficulty date
November 12, 2007
Submitted
November 13, 2007
Operation
Air carrier
Aircraft
N423US
Make and model
Boeing 737401
Aircraft serial
23990
Part
Power Supply
Part number
20121
Condition
Inoperative
Location
Emergency Lights
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

ALB - WITH AIRCRAFT POWER DISCONNECTED, EMERGENCY EXIT LIGHTS AT SEAT ROWS 12 THROUGH 19 DID NOT ILLUMINATE. ALSO, FOUR BULL NOSE LIGHTS AND THE EMERGENCY LIGHT AT THE L2 DOOR DID NOT ILLUMINATE. MAINTENANCE REPLACED EMERGENCY LIGHT POWER SUPPLIES M1136 AND M1137 IN ASSOCIATION WITH MM 33-51-51 AND REPLACED MATING BATTERIES FOR LOW CAPACITY. RELAMPED EMERGENCY LIGHTS AND REPLACED SEVERAL MISSING LENSE. OPERATIONAL TEST OF EMERGENCY LIGHTS CHECKED GOOD PER MM 33-51-02.