As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT NOT GROUNDED: PILOT REPORTS WHEN ENGAGED WITH AP1 THE AUTO THROTTLES SURGED(BETWEEN 1.1 & CLIMB MAINTAINED ALTITUDE FL 350 & AIRSPEED MACH .82 THE ENTIRE TIME. SWITCHED TO AP2 AUTO THROTTLES WORKED FINE. MAINTENANCE PERFORMED AFS BITE CHECK IAW AMM 22-96-00-740-810A TEST OK. NO AIRMAN AND NO POST FLIGHT REPORT. AIRCRAFT OK FOR CONTINUED SERVICE.