As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR DOOR OPEN LIGHT REMAINED ON AFTER GEAR EXTENSION. EXECUTED A GO AROUND AND COMPLIED WITH POM PROCEDURES TO UNEVENTFUL LANDING. FOUND MAIN LANDING GEAR LATCH FOLLOW UP MECHANISM ATTACH BOLT BROKEN REF IPC 32-30-00-12A ITEM 126. REPLACED BOLT AND CYCLED DOORS SEVERAL TIMES. GEAR DOOR OPERATION IS NOW NORMAL.