As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 5323 - BOSPQI - CARGO DOOR ANNUNCIATOR ILLUMINATED IN FLIGHT. PILOT DECLARED AN EMERGENCY AND AIRCRAFT DIVERTED TO MHT. ONCE ON THE GROUND VERIFIED DOOR CLOSED AND MAINTENANCE ACTION WAS DEFERRED PER MEL 5202. AIRCRAFT WAS RETURNED TO SERVICE. IN SUBSEQUENT MAINTENANCE, THE CARGO DOOR LOCK MICROSWITCHES WERE CLEANED, OPS CHECK GOOD. (M)