As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 4147 WAS EN ROUTE AND DEVELOPED A RIGHT HAND TORQUE PROBLEM. THE CREW CONTACTED MAINTENANCE CONTROL AND DIVERTED TO PIT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE INTERCOMPRESSION BLEED VALVE IN ACCORDANCE WITH 71-00-00. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.