What was found
BTB - "START VALVE L OPEN" ON AFTER ENGINE START. MANUALLY EXCERCISED LEFT ENG START VLV, RESTARTED LEFT ENG AND START VLV CLOSED NORMALLY, OK FOR SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BTB - "START VALVE L OPEN" ON AFTER ENGINE START. MANUALLY EXCERCISED LEFT ENG START VLV, RESTARTED LEFT ENG AND START VLV CLOSED NORMALLY, OK FOR SERVICE.