Service difficulty report · Switch · Boeing 7374Q8

Difficulty date
April 24, 2009
Submitted
April 30, 2009
Operation
Air carrier
Aircraft
N772AS
Make and model
Boeing 7374Q8
Aircraft serial
25105
Part
Switch
Part number
15AT48
Condition
Failed
Location
Cockpit
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

REPORTED EMERGENCY LIGHTS WILL NOT SHUTOFF WITH SWITCH IN OFF POSITION FROM "ARM" IN FLT DECK. SUSPECT BAD OVERHEAD SWITCH. COULD DUPLICATE. REMOVED AND REPLACED OVERHEAD EMERGENCY LIGHTS SWITCH S7 REF WDM 33 51 11. OPS NORMAL REF MM 33 51 02.

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