As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DEPARTING, GEAR WOULD NOT RETRACT. GEAR LEVER MOVED FREELY WITH NO GEAR MOVEMENT. LEFT MAIN SYSTEM ''A'' TRANSITION LIGHT (RED) DID NOT ILLUMINATE. FOUND LEFT ''A'' UP LOCK HARNESS BAD. REMOVED AND REPLACED WITH SERVICEABLE HARNESS IAW AMM 32-61-01. OHMED OLD HARNESS AND FOUND BAD. OPERATIONAL CHECK IS GOOD.