What was found
AFTER TAKEOFF ON GEAR RETRACTION LEFT MLG INDICATED INTRANSIT, LT MLG NEVER SHOWED UP AND LOCKED. GEAR DISAGREE CAS MESSAGE 28 SECONDS. COMPLIED WITH QRH, PULLED EMERGENCY GEAR EXT HANDLE, GEAR CAME DOWN, 3 GREEN ALL DOWN AND LOCKED. FOUND LEFT MLG UPLOCK TARGET EXCESSIVELY LOOSE. RESECURED TARGET, OPS CHECK GOOD PER AMM 32-60. (M)