As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF ROLL FROM WSAP NR 1 ENGINE OVERSPEED TO 105 PERCENT ON POWER APPLICATION. ABORTED TAKEOFF AND RETURNED TO RAMP. ACCOMPLISHED RUN-UP WITH MAINTENANCE PERSONNEL. ENGINE OVERTEMPED TO 1100 DEGREE CELSIUS AND FLAMED OUT. REPLACED NR 1 VALVE HOUSING IAW HN61135. PERFORMED ENGINE RUN-UP IAW HN7101. OVERTEMP INSPECTION NOT REQUIRED IAW ALLISON MM 4RC2.