What was found
LEFT ENGINE FAILED IN FLIGHT, ATTEMPTED RESTART, ENGINE TEMPERATURE HIGH AND VIBRATION CAUSED ABORT ATTEMPT. PROBABLE CAUSE: BOV SOLENOID AND/OR HMU FAILED. THE ENGINE WAS BORESCOPED WITH NO SIGNIFICANT FINDINGS. THE IGNITERS(2EA) PN31B5168-01 SERIAL NUMBERS UNKNOWN AND RVDT PN 3AR-245 SN B0145 WERE ALSO CHANGED AS A PRECAUTIONARY MEASURE. THE AIRCRAFT FLEW TEST FLIGHT WITHOUT FURTHER INCIDENT. RECOMMEND THAT PARTS REMOVED, BE EXAMINED FOR POSSIBLE MALFUNCTIONS.