As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE CUSTOMER REPORTED THAT DURING TAXI THE THEY HEARD POPPING SOUNDS FROM THE ENGINE. THEY RETURNED TO THE RAMP AND THE PILOT SHUT DOWN THE ENGINE. THE ENGINE WOULD NOT RE-START AND THERE WERE STILL POPPING SOUNDS HEARD. THE ENGINE WAS REMOVED AND SENT TO PWWV FOR 4TH STAGE COMPRESSOR DAMAGE.