What was found
PUT GEAR HANDLE DOWN, NOSE GEAR FAILED TO EXTEND, ALSO RECEIVED A GEAR DOORS EICAS. COMPLETED QRH, NOSE GEAR EXTENDED BUT STILL HAD GEAR DOORS EICAS. RELEASED FOR SERVICE IAW MEL 32-30-01 CATEGORY C EXPIRATION 23 AUG 15. LANDING GEAR ACTUATION SYS INOPERATIVE, LANDING GEAR LOCKED DOWN. ADC VMO & MMO SWITCH HAVE BEEN SELECTED TO ALTN POSITION. PERFORMED NOSE GEAR EXTENSION & RETRACTION TEST IAW AMM. ALL INDICATIONS NORMAL, NO FAULTS ON PSEU. R & R THE NOSE GEAR DOOR SEQUENCE VLV IAW MM 32-34-05-4 & DOOR RELEASE INTERLOCK ACTUATOR IAW MM 32-35-24-4. TROUBLE SHOT IAW FIM 32-30 FIG 803. R & R THE NOSE GEAR LOCK ACTUATOR IAW AMM 32-34-02-4. PERFORMED NOSE GEAR EXTENSION & RETRACTION TEST IAW AMM 32-34-00-5. ALL OPERATIONS CHECK NORMAL, NO LEAKS. ACFT OK FOR SERVICE.