As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LANDING ALL FMC DATA/INFORMATION WAS LOST. FMC PROMPT ON MENU PAGE NOT SHOWN. GROUNDED - YES. FMC PROMPT CURRENTLY SHOWS ON BOTH MCDU'S AND DATA SHOWS AS WELL. PERFORMED B737-900 FIM 34-61 TASK 807 FOUND "PGM FAULT" ON LEFT FMC ON GROUND, THIS IS A NUISANCE FAULT. NO OTHER FAULTS NOTED AT THIS TIME. PERFORMED FMC OPS CHECK, CHECKED GOOD AT THIS TIME. REF B737-900 AMM 34-60-00-710-801.