As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE PILOT REPORTED TORQUE INDICATION DROPPED OFF TO 0.2 - 0.3 PSI IMMEDIATELY AFTER ROTATION. THE ACFT CONTINUED CLIMBOUT, THE CREW INFORMED ATC THEY WERE RETURNING TO DEPARTURE AND LANDED SAFELY. REMOVED, CLEANED AND REINSTALLED TORQUE PRESSURE TRANSMITTER CONNECTOR. PERFORMED FUNCTIONAL TEST OF TORQUE TRANSDUCER IAW AMM 12-A-77-40-03-00A-903A-A, OPS AND LEAK CHECK GOOD.