As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE IN LIGHT TURBULENCE DOOR ANNUNCIATOR LIGHT ILLUMINATED, AND BANGING FELT THROUGH FLOOR OF COCKPIT. PERFORMED ABNORMAL PROCEDURE AND WITH GEAR HANDLE UP LIGHT DID NOT ILLUMINATE AGAIN. CYCLED GEAR THRU SEVERAL EXTENSIONS AND RETRACTIONS. ALL LIGHTS, DOORS AND MECHANICAL OPERATIONS WERE NORMAL IAW B-727 M/M 32-30-00. NO DEFECTS NOTED.