As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SPS - FLT 3580 - ON PREFLIGHT, CREW FOUND EMERGENCY EXIT SIGN OVER MAIN CABIN DOOR AND FLIGHT ATTENDANT SEAT TO BE INOPERATIVE. AIRCRAFT WAS FERRIED TO LAW. MAINTENANCE REMOVED AND REPLACED THE COCKPIT ARM SWITCH AND POWER SUPPLY UNITS 20LN AND 21LN IAW SAAB MM. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)