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 (2 EA) PN 31B5168-01 SERIAL NUMBERS UNKNOWN AND RVDT (PN 3AR245 SN B0145) WERE ALSO CHANGED AS A PRECAUTIONARY MEASURE. THE AIRCRAFT FLEW A TEST FLIGHT WITHOUT FURTHER INCIDENT. RECOMMEND THAT PARTS REMOVED, BE EXAMINED FOR POSSIBLE MALFUNCTIONS.