As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L ENG REV WILL NOT GO INTO REVERSE. REPLACED ISOLATION VALVE, NO HELP. NO VOLTAGE TO ISOLATION VALVE. REPLACED LT REVERSER DIRECTIONAL CONTROL VALVE PER MM.REPLACED PSEU. REVERSER DEPLOYS AND NO FAULT MESSAGES. OPS CHECKED PER MM, PASSED.