What was found
CLIMBING THRU 36,000 HEARD & FELT A LOUD THUMP & JOLT. AIRSPEED IND WENT RED, HAD A GEAR DISAGREE NLG AMBER CAS MESSAGE. NLG IND SHOWED WITH A AMBER HASH. RAN QRH & DIVERTED. DECLARED EMERGENCY. DESCENDED THRU 26,000 WITH SPEED BRAKES EXTENDED. HEARD 2ND THUMP & ALL IND NORMAL. CAS MESSAGE CLEARED, CONTINUED TO BURN FUEL. MLG EXTENDED & LOCKED NORMAL. PERFORMED NLG UPLOCK HOOK SWITCH ADJUST & TEST. FOUND UPLOCK SWITCH TO BE 0.58 AT REST, MANUAL CALLS FOR 0.66. AFTER MLG RAISED, MANUAL CALLS FOR A PLUNGER TRAVEL DISTANCE OF .015 .+/...03. FOUND PLUNGER ONLY TRAVELED .03. WITH MLG UP & LOCKED. ADJUSTED UPLOCK SWITCH & OPS CHK, NO DEFECTS. WORK IAW A041432-00-00 STEP 2.