A B737-200 WHILE TAXIING TO POS ACFT ON GATE 2 TECHNICIANS INCURRED A RWY INCURSION.

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ON THE MORNING OF NOV/WED/01 AT ABOUT XA15; I WAS TAXIING ACFT TO GATE WITH MR X RIDING R SEAT. WE RECEIVED CLRNC FROM GND TO PROCEED TO THE GATE. AS WE TAXIED DOWN TXWY K TO GATE; WE SAW THAT FLT XYZ WAS BLOCKING ACCESS TO GATE AND WAS PROCEEDING TO GET DEICED. MR X COMMUNICATED TO GND THAT GATE WAS BLOCKED. GND SAID THEY COULDN'T HAVE US HOLDING THERE AND TO PROCEED DOWN TXWY K AND HOLD SHORT OF TXWY E AND CONTACT TWR. WE DID. AFTER CONTACTING TWR; WE WERE INSTRUCTED TO MAKE A L ON TXWY E AND HOLD SHORT OF RWY 5L. WHILE HOLDING SHORT OF RWY 6L; TWR INSTRUCTED US TO FOLLOW THE HVY B747 TO TXWY D; THE B747 WAS JUST COMING OFF OF RWY 6R AND TXWY D. I PROCEEDED TO TAXI THE ACFT ACROSS RWY 6L ON TXWY E TO RWY 6R. AS WE APCHED RWY 6R; TWR INSTRUCTED US TO STOP IMMEDIATELY. I HIT THE BRAKES AND THE ACFT PROCEEDED TO SLIDE ENTERING RWY 6R. AT THIS POINT THERE WAS AN ACFT ON APCH ABOUT TO LAND AND TWR INSTRUCTED US TO BASICALLY GET OUT OF THE WAY. I DON'T REALLY REMEMBER AT THAT POINT WHAT TWR HAD SAID. I JUST KNEW I NEEDED TO GET OFF RWY 6R. THE ACFT WAS STILL IN MOTION. I MADE A L TURN ON RWY 6R AND TAXIED TO TXWY D FOLLOWING THE HVY B747. TWR HAD US HOLD SHORT OF TXWY K ON TXWY D AND TO CONTACT GND. WE DID. GND TOLD US TO PROCEED TO GATE.