What was found
ON TAKE OFF,RECEIVED GEAR DISAGREE NOSE WHEEL DID NOT RETRACT. C/W QRH MANUALLY LOWERED GEAR, GEAR WAS DOWN AND LOCKED AND LANDED WITHOUT ANY FURTHER INCIDENTS. USED MANUAL HANDLE AND STOWED WHEN GEAR WAS LOWERED. NO ABNORMAL HYD MESSAGES. 3A WAS ON AND 3B SELECTED AUTO. ***AIRCRAFT REMOVED FROM SERVICE*** T/S GEAR DISAGREE EICAS MESSAGE IAW AWA SUPP 08-067. FOUND PROX SENSOR TARGET JAMMED INTO PROX SENSOR PS14GA, BOTH TARGET BRACKET AND PROX SENSOR BRACKET DAMAGED. ALSO PROX SENSOR DAMAGED, REMOVED PS14GA AND PS4GA AND REMOVED PROX SENSOR TARGET BRACKET IAW AMM 32-61-05. REMOVED AND REPLACED PROXI SENSOR BRACKET PN 16215-105 IAW AMM TASK 32-21-01-00-804 SUB TASK 32-21-01- 020-008. STEP 4. REF 218840-3 FOR INSTALL OF PS14GA, PS4GA AND PROX SENSOR TARGET BRACKET.