What was found
CAPT'S STICK SHAKER WENT OFF. A/C WAS PROPERLY CONFIGURED FOR T/O. PULL C/B. REMOVED AND REPLACED AOA VANE. VANE OPS CKS GOOD, REF B727-200MM, RPT BY: 437820. PERFORMED OPS CK OF EGPWS AND FOUND AOA VANE FAULT FOR LAST FLIGHT LEG. PULLED LEVER LATCH C/B WHILE AOA VANE WAS IN FAIRED POSITION AND STICK SHAKER GOES OFF IMMEDIATELY. REMOVED AND REPLACED AOA VANE. VANE OPS CKS GOOD REF B727-200MM SEC 34-18-051-4. ALSO, CHANGED STICK SHAKER MODULE AS A PRECAUTIONARY MEASURE. STICK SHAKER SYSTEM, OPS CHECKS GOOD, REF B727-200MM SEC 34-18-001-5 AND 34-18-041-4.