As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, LEFT MAIN LANDING GEAR SHOWED UNSAFE IN THE RETRACTED POSITION ON BOTH FWD AND F/E INDICATORS. AIRCRAFT LANDED NORMAL. MAINTENANCE PERFORMED A GEAR SWING TEST IAW MM 32-30-00 PAGE BLOCK 501. FOUND LT GEAR DOOR MALFUNCTIONED UPON RETRACTION TEST. REMOVED AND DE-ACTIVATED LT GEAR DOOR IAW 32-00 PAGE 437. ASSIGNED CDL 52-9 LT GEAR DOOR MISSING.