What was found
ON CLIMB OUT RIGHT DUCT PRESSURE INDICATED 0 PSI AND LEFT DUCT PRESSURE WAS 40PSI PERFORMED AMM 36-00-00-860-805. COULD NOT DUPLICATE. NO LEAKS OR FAULTS NOTED. & NOSE GEAR EXTENDED DOWN WHEN LANDING GEAR HANDLE MOVED TO OFF POSITION. REMOVED AND REPLACED A & B HYD SYSTEM ACOUSTIC FILTERS IAW AMM 29-11-27. LEAK CHECK GOOD AT THIS TIME. REMOVED AND REPLACED WIRE HARNESS MW0311 AT #2 ENG IAW AMM 73-21-06-400-802-F00 UP TO AND INCLUDING STEP 5. E. C) PENDING FFCC VIBRATION SENSOR TEST. REMOVED AND REPLACED LANDING GEAR CONTROL MODULE UPTO AND INCLUDING STEPS 3.D.(17). EXCLUDING STEP 3.D.(13) LANDING GEAR CONTROL SYSTEM TEST.