Service difficulty report · Power Supply · Boeing 7373B7

Difficulty date
December 6, 2009
Submitted
December 7, 2009
Operation
Air carrier
Aircraft
N531AU
Make and model
Boeing 7373B7
Aircraft serial
24478
Part
Power Supply
Part number
20121
Condition
Faulty
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

CLT - PILOT REPORTED THE CABIN EMERGENCY EXIT INDICATOR LIGHT AT LEFT AND RIGHT OVERWING EXITS, ON LOWER SIDEWALL, ARE ALWAYS ON DIM WHEN AIRCRAFT IS POWERED. WHEN EMERGENCY LIGHTS ARE TURNED ON, LIGHTS WILL ILLUMINATE BRIGHT. MAINTENANCE REMOVED AND REPLACED DISCREPANT FORWARD AND AFT CABIN EMERGENCY LIGHT POWER SUPPLIES PER MM 33-51-51. EMERGENCY LIGHTING SYSTEM CHECKS SATISFACTORY PER MM 33-51-02.

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