As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKE OFF ON FLIGHT 5578, THE POWER ADDED TO THE RT ENGINE WOULD NOT DEVELOP MORE THAN 1000 FT LBS TORQUE. THE CREW ABORTED TAKE OFF AND RETURNED TO THE GATE. MAINTENANCE REMOVED AND REPLACED THE BLEED VALVE AND THE PROP GOVERNOR. STILL AWAITING MORE INFORMATION TO COME. REFER TO SDR 52767.