AN EMBRAER 135 IN CLIMB AT 16000 FT DECLARED AN EMER AND DIVERTED DUE TO R ENGINE SURGING. FAILED 10 MILES FROM ARPT.

Narrative

ON CLIMB OUT FROM ZZZ THROUGH ABOUT 16000 FT THE CAPT AND I NOTICED THE #2 ENGINE SURGING. I NOTICED THE ITT-N1-N2-FF-FLUCTUATION WHICH DID NOT EXCEED LIMITATIONS. CONSULTING THE AOM THERE WAS NO PROC FOR A SURGING ENGINE. WITH THAT IN MIND THE CAPT CONTACT SYSTEMS OPS CTL. THEY HAD NO PROC FOR US TO FOLLOW. AT THAT POINT WE DECIDED TO DECLARE AND EMER. THE DECISION WAS MADE TO DIVERT TO ZZZ. THE FLT ATTENDANT WAS INFORMED TO THE SIT AND PERFORMED THE REQUIRED DUTIES. AFTER DIVERTING TO ZZZ; THE ENGINE SEEMED TO STOP SURGING AND OPERATED NORMALLY. THE CAPT AND I DISCUSSED OUR OPTIONS AND ELECTED TO KEEP THE ENGINE RUNNING. DURING DESCENT AND APCH THE ENGINE OPERATED NORMALLY UNTIL SHUTTING DOWN AT ABOUT 10 MILES FROM THE ARPT. A SINGLE ENGINE LNDG WAS MADE UNEVENTFULLY. THE ACFT WAS TAXIED TO THE GATE AND A NORMAL DEPLANING OF PAX WAS ACCOMPLISHED. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE R ENGINE WAS AN ALLISON AE3007A-130 WITH FULL AUTHORITY DIGITAL ENGINE CTL. THE RPTR SAID THE ELECTRICAL WIRING HARNESS TO THE FULL AUTHORITY DIGITAL ENGINE CTL WAS ALMOST COMPLETELY SEVERED BY THE TECHNICIANS SLAMMING THE COWLING CLOSED. THE RPTR SAID ON TAXI OUT AND TAKEOFF THE R ENGINE PERFORMED NORMALLY WITH NO WARNINGS UNTIL THE ENGINE BEGAN TO SURGE.