Narrative:

After a quick turn and aircraft change at jfk where the ground was covered with 1/2 inch snow and patchy ice underneath, air carrier X was taxiing clockwise on taxiway a to runway 31L. Snow removal operations were in progress. Ground control decided to change assigned runway (open) to runway 31R which had just been cleared of snow. Ground instructed us to 'taxi via taxiway east, hold short of taxiway G.' that instruction was acknowledged by the captain. After carefully checking that runway 31R was clear, air carrier X crossed runway 31R and continued on taxiway east. Meanwhile, the first officer was occupied sending an electronic message to dispatch regarding an inoperative power management system (ctot). Ground questioned location of air carrier X who replied 'on taxiway east.' further taxi instructions were given to runway 31R via taxiway east and taxiway Y for normal takeoff. The crew perceived that ground control was taking advantage of a newly cleared runway to alleviate ground congestion on runway 31L, and that non standard routing was due to snow removal operations in progress on east side of airport. The crew failed to back each other up due to distraction and failed to question vague nonstandard taxi instructions (taxiway east does not intersect taxiway G). This mission was the last of a 4-DAY sequence, was running behind schedule. Therefore, cumulative fatigue and an early report time, as well as winter WX, were contributing factors.

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Original NASA ASRS Text

Title: SF34 FLC TAXI ACROSS JFK RWY 31R ENRTE TO RWY 31L WITHOUT CLRNC.

Narrative: AFTER A QUICK TURN AND ACFT CHANGE AT JFK WHERE THE GND WAS COVERED WITH 1/2 INCH SNOW AND PATCHY ICE UNDERNEATH, ACR X WAS TAXIING CLOCKWISE ON TXWY A TO RWY 31L. SNOW REMOVAL OPS WERE IN PROGRESS. GND CTL DECIDED TO CHANGE ASSIGNED RWY (OPEN) TO RWY 31R WHICH HAD JUST BEEN CLRED OF SNOW. GND INSTRUCTED US TO 'TAXI VIA TXWY E, HOLD SHORT OF TXWY G.' THAT INSTRUCTION WAS ACKNOWLEDGED BY THE CAPT. AFTER CAREFULLY CHKING THAT RWY 31R WAS CLR, ACR X CROSSED RWY 31R AND CONTINUED ON TXWY E. MEANWHILE, THE FO WAS OCCUPIED SENDING AN ELECTRONIC MESSAGE TO DISPATCH REGARDING AN INOP PWR MGMNT SYS (CTOT). GND QUESTIONED LOCATION OF ACR X WHO REPLIED 'ON TXWY E.' FURTHER TAXI INSTRUCTIONS WERE GIVEN TO RWY 31R VIA TXWY E AND TXWY Y FOR NORMAL TKOF. THE CREW PERCEIVED THAT GND CTL WAS TAKING ADVANTAGE OF A NEWLY CLRED RWY TO ALLEVIATE GND CONGESTION ON RWY 31L, AND THAT NON STANDARD ROUTING WAS DUE TO SNOW REMOVAL OPS IN PROGRESS ON E SIDE OF ARPT. THE CREW FAILED TO BACK EACH OTHER UP DUE TO DISTR AND FAILED TO QUESTION VAGUE NONSTANDARD TAXI INSTRUCTIONS (TXWY E DOES NOT INTERSECT TXWY G). THIS MISSION WAS THE LAST OF A 4-DAY SEQUENCE, WAS RUNNING BEHIND SCHEDULE. THEREFORE, CUMULATIVE FATIGUE AND AN EARLY RPT TIME, AS WELL AS WINTER WX, WERE CONTRIBUTING FACTORS.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.