As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURIING CRUISE BOTH FD BARS FAILED LATERAL GUIDANCE FD BAR APPEARED, BUT DID NOT GIVE PROPER GUIDANCE FROM MCP. AIRCRAFT DIVERTED TO SFO. MAINTENANCE GROUNDEDTHE AIRCRAFT. MAINTENANCE RPLEACED MODE CONTROL PANEL PER 767 AMM 22-11-02,, MCDP TEST 04 PASSED, AIRCRAFT RALM DOWNGRADED TO CATI PENDING MCDP 30/40 TEST. AIRCRAFT RETURNED TO SERVICE.