Service difficulty report · Power Supply · Boeing 7374B7

Difficulty date
June 22, 2012
Submitted
June 25, 2012
Operation
Air carrier
Aircraft
N453UW
Make and model
Boeing 7374B7
Aircraft serial
24980
Aircraft time
57,501 hours, 37,963 cycles
Part
Power Supply
Part number
20121
Condition
Faulty
Location
Cabin
Stage of operation
CR
How discovered
O
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

CREW REPORTED THE CABIN EMERGENCY LIGHT AT DOOR 1L AND 1R ILLUMINATE INTERMITTENTLY IN FLIGHT. FLOOR LEVEL LIGHT ALSO INTERMITTENLY ILLUMINATE. NOTE: WHEN FLIGHT ATTENDANT EMERGENCY LIGHT SWITCH PLACED ON, LIGHT AT DOOR 1L AND 1R DO NOT ILLUMINATE. THE 1R LIGHT INOPERATIVE. REMOVED AND REPLACED STATION 330R POWER SUPPLY PER AMM 33-51-962-016. OPS CHECK GOOD.

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