What was found
AFTER T/O, GOT DISAGREE WARNING 5 SECONDS AFTER SELECTING GEAR UP RECYCLED GEAR OPERATED NORMAL LT MAIN GEAR DID NOT SHOW UP AND LOCKED. PERFORMED TROUBLESHOOTING IAW FIM, 32-60-07, INTERROGATED PSEU, RECEIVED "S20 DOWN ARROW FAR". LT UPLOCK ASSY INSPECTED AND FOUND TARGET LOOSE, RESECURED AND RERIGGED UPLOCK TARGET IAW AMM 32-32-05, GEAR SWING AND OPS CK GOOD.