B737-300 FAILS TO ROTATE FOR TKOF DESPITE FULL UP ELEVATOR COMMAND BY THE PF. TKOF ABORTED 20 KTS ABOVE PLANNED VR.

Narrative

DURING THE TKOF FROM RWY 16L AT VR; I ATTEMPTED TO ROTATE THE ACFT AND HAD NO RESPONSE. I CONTINUED PULLING THE YOKE ALL THE WAY BACK TO THE STOP. I TOLD THE CAPT; 'I GOT NOTHING; THE NOSE WON'T COME UP.' THEN WE ABORTED; AND NOTIFIED THE TWR. AFTER CLRING THE RWY; INSTRUCTED THE PAX TO REMAIN SEATED; CHK THE BRAKE COOLING; AND REQUESTED THE GND CTL TO SEND SOMEONE TO CHK OUR BRAKES AND TIRES. A TRUCK CAME OUT. HE TOLD THE GND CTLR THAT HE SAW NOTHING UNUSUAL. WE STOPPED; WITHOUT SETTING THE BRAKES; CONTACTED THE COMPANY AND REQUESTED A GATE AND MAINT TO MEET THE ACFT. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE FO; THE PF; ADVISED THAT AFTER RETURN TO THE GATE; MAINT DISCOVERED METAL PROTRUDING BELOW THE STABILIZER. COMMENTS FROM MAINT TECHNICIANS AT THE SCENE INDICATED A FAILURE IN THE BOOST PANEL MECHANISM BTWN THE HORIZ STABILIZER AND THE ELEVATOR. RPTR SPECULATES THAT THE PROTRUDING METAL WAS SOME PART OF THE HYD ACTUATOR MECHANISM THAT FAILED; ALLOWING FULL AFT STICK DEPLOYMENT WITHOUT PRODUCING ACTUAL ELEVATOR DISPLACEMENT. HE HAD NO INFO REGARDING ACTUAL MAINT ACTION.