As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SERVICE CHECK, 1L MAIN ENTRY DOOR GIRT BAR OPERATIONAL CHECK FAILED ("SLIDE" LIGHT DO NOT COME ON). CLEANED BOTH 1L DOOR PROXIMITY SENSORS AND INSPECTED IAW AMM 25-66-10-2-0, OPERATED GIRT BAR BY ARMING AND DESARMING THE SLIDE SEVERAL TIME, "SLIDE" LIGHT WORKS FINE.