Service difficulty report · Switch · Boeing 737401

Difficulty date
June 11, 2001
Submitted
June 28, 2001
Operation
Air carrier
Aircraft
N423US
Make and model
Boeing 737401
Aircraft serial
23990
Part
Switch
Part number
15AT17
Condition
Defective
Location
Cockpit
Stage of operation
IN
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

MIA - DURING PREFLIGHT, PILOT REPORTED THAT THE EMERGENCY EXIT LIGHTS ILLUMINATED WHILE NORMAL ELECTRICAL AC/DC POWER TO ALL BUSSES WAS AVAILABLE. LIGHTS WOULD NOT EXTINGUISH. MAINTENANCE REMOVED AND REPLACED A DEFECTIVE EMERGENCY LIGHT ARMING SWITCH ON THE COCKPIT P5 OVERHEAD PANEL. OPS CHECK GOOD. (M)