As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT FMC FAILED IN FLIGHT. ACFT GROUNDED. ACCOMPLISHED LEFT FLIGHT MANAGEMENT COMPUTER SYSTEM BITE PROCEDURE, IAW FIM 34-61 TASK 801. NO FAULTS LOGGED. VERIFIED ALL SOFTWARE IS CORRECT. ACCOMPLISHED DFCS LRU FMC REPLACEMENT TEST, SYSTEM OPS NORMAL. ACCOMPLISHED LEFT FMC OPS TEST FLIGHT MANAGEMENT COMPUTER SYSTEM IAW AMM 34-61-00-710-801. ALL TESTS PASSED.