As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF GEAR CLOSED NORMALLY; INDICATED CLOSED GEAR LEVER SELECTED TO OFF; VIBRATION FELT, EICAS MSG (GEAR DOOR) AND SYNOPTIC INDICATED LT BODY GEAR DOOR NOT CLOSED. NNC 14.5 ACCOMPLISHED AND FLIGHT CONTINUED WITH GEAR LEVER IN UP POSITION. PERFORMED VISUAL CHECK ON LT BODY GEAR DOOR PROX SENSOR. NO DEFECT. PERFORMED PSEU GROUND TEST IAW MM. PERFORMED INSPECTION CK IAW MM NO DEFECT FOUND.