What was found
(CAN) THE ENG HAD AN UN-COMMANDED AUTO FEATHER EARLIER TODAY ON THE NR 1 ENG. TROUBLESHOOTING HAS DETERMINED THE CAUSE TO BE A LOSS OF TORQUE SIGNAL ON THE NR 1 ENG. THE FDR DATA ANALYSIS REVEALED AN OVER TORQUE. THE ENG WAS REMOVED & WILL BE SENT FOR REPAIR. MFG WILL INVESTIGATE TO ESTABLISH ROOT CAUSE & PROVIDE INFORMATION THROUGH SUBSEQUENT SERVICE DIFFICULTY REVIEW MEETING & SUPPORTING DOCUMENTS OR OTHER AGREED UPON COMMUNICATIONS.