As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TREND DATA INDICATED A ABRUPT SHIFT IN ITT AND N2 PARAMETERS. FIELD BORESCOPE INVESTIGATION IDENTIFIED A MISSING 3RD STAGE IP ROTOR BLADE. DISASSEMBLY OF THE ENGINE CONFIRMED THAT ONE OF THE 3RD STAGE IPC ROTOR BLADES WAS MISSING. THE ROTOR (P/N 119345 S/N HW39248) IS ORIGINAL TO THE ENGINE AND HAS 1133.9 HOURS AND 918 CYCLES.