As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH T/O PWR CL MAX, THE LT PROPELLER IS UNABLE TO REACH 1396RPM. AIR RETURN MAINTENANCE TRANSFERD TO 409 CARD NR 182085 CONT CARD NR 040131, DISC NR 1 NEED TO SWAP PROP RPM GUAGES. NR 1 SWAPPED GAUGES WAS A NO FIX. DISC NR 2 NEED TO RE-RIG LT PROP BETA TUBE. NR 2 RE-RIGGED LT PROP BETA TUBE, WAS A NO FIX. DISC NR 3 FOUND LT POWER LEVER CABLE OUT OF RIG AT PCU. RE-RIGGED LT POWER LEVER CABLE AT PCU IAW 76-10-00-5.OPS CHECKS GOOD.