What was found
AFTER TAKE OFF THE LEFT MAIN LANDING GEAR STAYED DOWN WHILE THE NLG AND RT MLG RETRACTED. RECEIVED A AMBER GEAR DISAGREE MESSAGE. COULD HEAR LTMG WHEEL STILL SPINNING. SEEMED LIKE THE WHEEL STOPPED SPINNING, THE LT MLG RETRACTED. IT TOOK APPROXIMATELY 25-30 SECONDS BEFORE IT RETRACTED. R & R PARKING EMERGENCY HYD PRESSURE SWITCH. HYD PRESSURE SWITCH OPS CHECKED GOOD IAW AMM 32-44-13-400-801. R & R NR 2 SYS MLG SELECTOR VALVE, OPS CHECKED GOOD IAW AMM 32-31-13. R & R SHUTOFF & DUMP VALVE, OPS CHECKED GOOD IAW AMM 32-34-05. ORIG SUB DATE: 1/17/2023