As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PRE-FLIGHT, FOUND LEFT GEAR RED UNSAFE LIGHT ON. ALL OTHER INDICATIONS NORMAL. AIRCRAFT ISSUED FERRY PERMIT TO FLY TO MAINTENANCE AT EWR. AFTER TAKEOFF, UNABLE TO RAISE LEFT MLG. DIVERTED TO DALFORT AVIATION IN DALLAS FOR REPAIR. DALFORT JACKED AIRCRAFT PER MM 32-32-0 AND FOUND GEAR UPLATCH HOOK OUT OF SEQUENCE. RETURNED UPLOCK HOOK TO UNLOCKED POSITION. PERFORMED GEAR SWING - GEAR POSITION INDICATION NORMAL. (X)