As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH, RT ENG SURGED. RIGHT ENG OIL PRESS INDICATOR AT RED LINE. TROUBLE SHOT & FOUND RT ENG PROPELLER GEAR BOX CASE CRACKED DUE TO INTERNAL FAILURE. R & R PROPELLER GEAR BOX & POWER UNIT ASSEMBLY IAW MM. PERFORMED GND RUNS & LEAK CHECKS.