What was found
ON APPROACH TO BQN PILOT SELECTED LG DOWN, RECEIVED THE RED IN TRANSIT WARNING LIGHT FOR 10 SECONDS THEN THE LIGHT WENT OUT BUT LG DID NOT EXTEND & THREE GREEN DOWN & LOCK INDICATOR LIGHTS DID NOT ILLUMINATE. TRIED TO CYCLE THE LG, THE LG WOULD NOT EXTEND. PERFORMED A MANUAL EXTENSION OF THE LG, RECEIVED THREE DOWN & LOCKED LG INDICATOR LIGHTS & LANDED AT BQN WITHOUT FURTHER INCIDENT. TROUBLESHOOTING REVEALED LOOSE PINS IN THE PC BOARD CONNECTOR FOR LG TIME DELAY. THE LOCKING FEATURE FOR THE PINS WAS BROKEN. R & R CONNECTOR IAW MANUAL 32-31-01. PERFORMED GND OPERATIONAL CHECK OF LG SYS IAW MM 32-30-01 & ACFT PERFORMED AN OPERATIONAL CHECK FLIGHT, BOTH CHECKS WERE NORMAL.