ALLEGED UNAUTH RWY ENTRY.

Narrative

WE WERE CLRED TO TAXI TO RWY 15; HOLD SHORT OF RWY 8. AN ACFT HAD BEEN CLRED FOR TKOF ON RWY 15. THE RAMP TXWY IS VERY NARROW. WE TAXIED AROUND THE FUEL TRUCK PARKED BEHIND AN ACFT AT X. WE MOMENTARILY AIMED TOWARD THE ACTIVE RWY; SAW THE ACFT ON TKOF ROLL; AND ONCE AROUND THE FUEL TRUCK; AIMED AWAY FROM RWY 15/33. IF OUR TIRE WENT OVER THE WHITE LINE; IT WAS UNINTENTIONAL. TWR RPTED IT DID GO OVER. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR FLIES THE B-737-300. SHE SELDOM FLIES INTO BUR. HER CAPT WAS NEW TO THE ACFT AND THE CAPT'S SEAT AND HAD RARELY BEEN TO BUR ALSO. THE FO ADMITS THAT SHE DID NOT KNOW ABOUT THE NONSTANDARD WHITE LINE NOR DID SHE HAVE HER ACR'S BULLETIN ABOUT THE LINE. THE TWR SAID THAT MANY ACFT HAVE DONE THE SAME THING. THE TWR TALKED TO THE RPTR'S ACR SUPVR AND THE ACR HAS PUT OUT ADDITIONAL BULLETINS ABOUT THE TAXI SIT AT BUR. THE RAMP IS NOW PAINTED A BRIGHT; REFLECTIVE YELLOW IN THE STANDARD CONFIGN OF SOLID AND BROKEN LINES. THE RPTR HAD TO GET AROUND THE FUEL TRUCK AND THE RPTR DOES NOT BELIEVE THAT SHE CROSSED THE LINE BUT THE TWR DISAGREES.