As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED THAT DURING APPROACH THE LT PROP WAS CYCLING IN AND OUT OF FEATHER WITH ABOUT 500LBS OF TORQUE. R & R LT & RT LOW PRESSURE AUTO FEATHER SWITCHES & RIGGED LT & RT ENG TORQUE IAW CH 7, SECTION 7.5 & BMM 61-21-01, OPS CHECKED GOOD.