As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOPILOT EICAS MESSAGE ON BLOCK OUT. AIRCRAFT RETURNED TO BLOCKS. (BTB). MAINTENANCE DEFERRED RALM STATUS TO CAT 1 MBCB C-CK, PLACARD INSTALLED. PERFORMED MCDP TEST 30/40 IAW B767 AMM 22-00-02. NO FAULTS NOTED AT THIS TIME. PLACARD REMOVED. DI CLEARED. NO REACTIVATION PROCEDURES REQUIRED. RALM PLACARD REFLECTS CURRENT STATUS. A/C RELEASED CAT III B. A/C RETURNED TO SERVICE.