A B737-300 FLC DIVERTS TO EWR AFTER #2 ENG THROTTLE IS STUCK IN CLB POS. INFLT ENG SHUTDOWN FOR EMER TFC OVER RBV; NJ.

Narrative

WE LEVELED AT FL330 AND THE #2 THRUST LEVER REMAINED STUCK AT CLB THRUST SETTING. WE WERE UNABLE TO PHYSICALLY MOVE IT. TO PREVENT EXCEEDING OUR AIRSPD LIMITATIONS; WE REDUCED THRUST ON THE #1 ENG. WE THEN DECLARED AN EMER AND REQUESTED EWR AS OUR DEST. WE SHUT DOWN THE #2 ENG AND LANDED SINGLE ENG AT EWR. THE CAPT HANDLED ALL THE CHKLIST AND ADVISING OF ATC; COMPANY AND FLT ATTENDANTS WHILE I FLEW THE AIRPLANE. ONCE ALL THE CHKLISTS WERE COMPLETE; THE CAPT TOOK OVER FLYING OF THE AIRPLANE. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE FO STATED THAT THE PROB OF THE STUCK THROTTLE DID NOT SURFACE UNTIL NEAR LEVELOFF AT FL330; THE ACFT BEING IN A CONTINUOUS CLB ON AUTOTHROTTLE. DURING THE TAXI IN AT EWR; THE THROTTLE BECAME FUNCTIONAL AGAIN; MOVING QUITE FREELY. FO FELT THAT THERE HAD BEEN MOISTURE ON THE CABLE THAT FROZE DURING THEIR CLB TO ALT. THE MAINT PERSONNEL CHANGED THE CABLE. NO DEICING PROCS WERE MENTIONED BY THE FO. NO OTHER COMPANY INCIDENTS OF A PARALLEL NATURE.