As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, LT MAIN GEAR RED DISAGREE LIGHT STAYED ILLUMINATED WITH LOUD NOISE FROM LT SIDE OF ACFT. RETURNED TO FIELD. FOUND RT GEAR DOOR HANGING OPEN AND WOULD NOT LATCH. R & R BOTH LT MLG INBD FWD DOOR LATCH AND TRAVEL STOP PINS IAW AMM.