What was found
(CAN) PILOT REPORTED HEARING NOISE AT LEFT REAR OF AIRCRAFT AND CHANGE IN FLIGHT REGIME LIKE SMALL WIND GUST. NO ABMORMAL INSTRUMENT INDICATIONS. AIRCRAFT LANDED AND DISTINCT WHINE NOISE HEARD PRIOR TO SHUT DOWN. ENGINES SHUT DOWN AND BASIC VISUAL INSPECTION CARRIED OUT. ON ATTEMPTED ENGINE RE-START, #1 ENGINE WOULD NOT CRANK OVER. FURTHER INSPECTION FOUND COMPRESSOR INTERNAL DAMAGE. POWER SECTION REPLACED ON SITE AND WILL BE SENT TO MANUFACTURER FOR INSPECTION. (TC# 20190807016)