SDR USAA2013080600001

Service difficulty report · Switch · Boeing 7572B7

Difficulty date: August 4, 2013
Submitted: August 7, 2013
Operation: Air carrier
Aircraft: N939UW
Make and model: Boeing 7572B7
Aircraft serial: 27303
Aircraft time: 62,357 hours, 23,880 cycles
System (JASC): 3320 · Passenger Compartment Lighting
Part: Switch
Part number: 1A08101643
Condition: Failed
Location: Cabin Lights
Stage of operation: IN
How discovered: 9
Nature of condition: B
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ENROUTE, WHEN FWD LAV DOOR WAS CLOSED AND LOCKED, THE FLUORESCENT LIGHT IN LAVATORY WENT OUT. BLACK SMOKE CAME THRU DOOR FRAME. MX FOUND THE FWD LAV DOOR FRAME LIGHT SWITCH MELTED AND SHORTED. MX REPLACED THE FWD LAV DOOR FRAME LIGHT SWITCH. OPS CHECKED OK.

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