What was found
MLG NOT UPLOCKED AFTER TAKEOFF, ECAM NO HELP PERFORMED BITE TEST OF LGCIU 1 AND 2. LGCIU 1 REPORTED FAULT "N LG UPLOCK (2530GM)/(2527GM)". PILOTS REPORTED CYCLING GEAR IN FLIGHT, NO HELP. FOUND BACKSHELL ON CONNECTOR IAW AMM 32-31-21/401 CONFIG 00 SHEET 2. ELECTRICAL CONNECTOR LOOSE. TIGHTENED BACKSHELL DOWN. GEAR UPLOCK LUBE WAS PERFORMED LAST NIGHT DURING A CHECK, TSM 32-31-00-810-865A STATES EXCESS GREASE CAN CAUSE INDICATION ISSUES. CLEANED EXCESS GREASE FROM UPLOCK ASSY. PERFORMED NLG GEAR SWING IAW AMM 32-31-00-720-003-A. FAULT PERSISTS. GEAR WILL RETRACT BUT NOT LOCK IN THE UP POSITIONS. GEAR DOORS STAY OPEN. REMOVED NLG DOOR UPLOCK ASSY IAW AMM 32-31-14-000-002-A. R & R NLG UPLOCK ASSY, IAW AMM 32-31-21-400-001-A. TASK COMPLETED UP TO INSTALLATION STEP C17, NEXT STEP IS E, CIRCUIT BREAKER CLOSING. PERFORMED RII INSP OF NLG UPLOCK ASSY INSTALL IAW GMM 09-25-05 THROUGH STEP 4.C.(17) OF AMM 3ACP'D RII INSPECTION, VERIFIED FUNCTIONAL TEST OF NLG NORMAL EXTENSION / RETRACTION COMPLETED, OP-CHKD GOOD.