What was found
3856 ON TAKEOFF, GEAR DISAGREE RED WARNING. LT MLG HAD RED DASHES, COMPLIED WITH QRH PROCEDURE. AFTER QRH COMPLETION ALL GEAR INDICATED DOWN & 3 GREEN, RETURNED TO ORF, DID NOT LAND OVERWEIGHT. R & R LT UP LOCK ASSEMBLY MLG OPERATIONS CHECKED GOOD & NO LEAKS NOTED IAW AMM 32-32-05.