What was found
ISOLATION VALVE WOULD NOT OPEN TO START ENGINE. PERFORMED FAULT ISOLATION TEST, NO FAULTS NOTED. OPERATIONS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ISOLATION VALVE WOULD NOT OPEN TO START ENGINE. PERFORMED FAULT ISOLATION TEST, NO FAULTS NOTED. OPERATIONS CHECK GOOD.