What was found
ODI EVENT RETURN TO FIELD FOR GEAR DISAGREED, ON DEPARTURE CREW REPORTED A DISAGREE NLG DID NOT RETRACT, USED MANUAL RELEASE TO EXTEND ALL GEAR, MEL 32-30-1CAT A. PLACARD INSTALLED (FLIGHT 6022) INSPECTED OLEO PROX SENSOR & BRACKET. T/S IAW FIM 32-60-09. R & R HYD SYS NR 3 RESERVOIR. LEAK CHKD HYD SYS NR 3. REPLACED NLG SELECTOR VALVE. R & R NLG DOOR BYPASS VALVE. REPLACED HYD SYS NR 3 ACCUMULATOR. T/S GEAR DISAGREE FIM 32-60-09. DI14 UNREASONABLE OFF. R & R S1GA SWITCH HARNESS ASSY. NO FIX. R & R S2GA SWITCH HARNESS ASSY. LANDING GEAR MECHANICAL & HYD HEALTH CHK COMPLIANCE. COMPLIED WITH CAT II, RETURN TO SERVICE. TEST 34-220-1021-SKY.