As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB OUT F.O LOST FLIGHT DIRECTOR MAGENTA COURSE TO 1 ST FIX WITH VTK ON F.O.S CDU A COUPLE MIN. LATER. SYSTEM SELF CORRECTED AND OPS NORMAL WITHOUT INTERVENTION. GROUNDED - YES. ACCOMPLISHED FLIGHT MANAGEMENT COMPUTER BITE CK ON # 1 & # 2 FMC. NO INFLT FAULTS NOTED. SENSOR PAGE SHOW NO FAULTS OPS CK NORMAL REF B737-800 AMM 34-61-00-810-801.