As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DOORS NOT LATCHED LIGHT ILLUMINATED REMAINED ON AFTER GEAR RETRACTION (LEFT GEAR DOOR). RECYCLED GEAR, BROUGHT FLAPS TO 10 DEG, LIGHT EXTINGUISHED. BROUGHT FLAPS UP, RESUMED NORMAL FLIGHT. CHECKS OK ON GROUND. REMOVED AND REPLACED LEFT ALT GEAR DOOR SWITCH. PRECAUTIONARY INSP GEAR AND DOOR UPLATCHES. COULD NOT DUPLICATE SWITCH WAS CHANGED PRECAUTIONARY.