As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NUMBER ONE GENERATOR HARD TO PUT ON LINE. PRIOR TO TAKEOFF NUMBER ONE AND TWO ENGINES VARIED RPM AT IDLE, AND AT 100 KNOTS STICK SHAKER ACTIVATED. ABORTED TAKEOFF. REPLACED NUMBER ONE EXTERNAL POWER CONTACTOR AND R348 RELAY. CHECKS OK.