As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB OUT, AT 240 KIAS WITH A 9 DEGREE PITCH NOSE UP STICK SHAKER CAME ON STEADY. IT CYCLED ON AND OFF RANDOMLY FOR 15 MINUTES UNTIL LANDING. STALL WARNING TEST SWITCH WAS TOGGLED WITH NO EFFECT. THE CREW LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED LIFT SPEED COMMAND TRANSDUCER. OPS CHECK GOOD IAW MM 34-16-0. AC WAS RETURNED TO SERVICE. (K)