What was found
CAPTAIN REPORTED THAT DURING CLIMB, THE LANDING GEAR WAS MOVED UP AT THE THIRD ATTEMPT. AIRCRAFT WAS SENT TO THE HANGAR AND MAINTENANCE PERSONNEL PERFORMED BITE TO PSEU, IAW AMM 32-09-10 AND FIM 32-30 TASK 815 PROCEDURE, DETECTING MLG SELECTOR VALVE FAILED. SO THE MLG SELECTOR VALVE WAS REPLACED, IAW AMM 32-31-51-020-801AND AMM 32-31-51-400-801 AND OPERATIONAL TEST WAS PERFORMED, IAW 32-32-00-710-801, TESTED CORRECT.