Narrative:

Jfk XA30 taxi clearance 'taxi runway 22R, left outer, alpha, x- ray.' approaching victor bravo, mechanical problem necessitated return to parking. At XC40 mechanic problem finally fixed, aircraft cleared to taxi to runway 22R, but this time via 'left inner, alpha, xray' 'holding short of runway 31R.' I was momentarily distracted during the 'hold short' portion of clearance and asked 'what was it (the clearance), same as last time but on the inner now?' or words to that affect. First officer, and so agreed, believing that I understood the hold short portion of clearance. Approaching runway 31R, first officer looked down to review departure procedure. I looked to my left, declared 'clear left,' when first officer didn't respond, I checked right, declared 'clear right,' and proceeded across runway 31R. When almost across runway, first officer looked up and stated 'I think we were supposed to hold short back there.' ground controller subsequently noted our location and stated that he had us on radar, anyway. While the late hour, and maintenance delay, certainly played a part in this incident, the main cause was my momentary inattn to a clearance, and it's readback. This must be understood by the entire crew at all times. If one crewmember doesn't understand the clearance, he should not 'put words into another's mouth,' in trying to understand it. Additionally, crossing any runway required vigilance on the part of the entire crew. Even though I could see the approach path to runway 31R quite well, had I asked the first officer to 'clear right' it would have forced him to get out of his departure chart, and 'back into the loop.' he would have known that the runway was our hold short point. Supplemental information from acn 296825: discussed with captain that we were to hold short of a specific runway prior to reaching the departure runway. Watched taxi on and off while doing other duties and insuring the maintenance problem was indeed fixed and all system working as they should.

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Original NASA ASRS Text

Title: CAPT, OF 3 PERSON FLC, DID NOT HEAR ENTIRE TAXI CLRNC, AND RELIED UPON BRIEFING FROM OTHER CREWMEMBERS. ACR FAILED TO COMPLY WITH 'HOLD SHORT' INSTRUCTIONS.

Narrative: JFK XA30 TAXI CLRNC 'TAXI RWY 22R, L OUTER, ALPHA, X- RAY.' APCHING VICTOR BRAVO, MECHANICAL PROB NECESSITATED RETURN TO PARKING. AT XC40 MECH PROB FINALLY FIXED, ACFT CLRED TO TAXI TO RWY 22R, BUT THIS TIME VIA 'L INNER, ALPHA, XRAY' 'HOLDING SHORT OF RWY 31R.' I WAS MOMENTARILY DISTRACTED DURING THE 'HOLD SHORT' PORTION OF CLRNC AND ASKED 'WHAT WAS IT (THE CLRNC), SAME AS LAST TIME BUT ON THE INNER NOW?' OR WORDS TO THAT AFFECT. FO, AND SO AGREED, BELIEVING THAT I UNDERSTOOD THE HOLD SHORT PORTION OF CLRNC. APCHING RWY 31R, FO LOOKED DOWN TO REVIEW DEP PROC. I LOOKED TO MY L, DECLARED 'CLR L,' WHEN FO DIDN'T RESPOND, I CHKED R, DECLARED 'CLR R,' AND PROCEEDED ACROSS RWY 31R. WHEN ALMOST ACROSS RWY, FO LOOKED UP AND STATED 'I THINK WE WERE SUPPOSED TO HOLD SHORT BACK THERE.' GND CTLR SUBSEQUENTLY NOTED OUR LOCATION AND STATED THAT HE HAD US ON RADAR, ANYWAY. WHILE THE LATE HR, AND MAINT DELAY, CERTAINLY PLAYED A PART IN THIS INCIDENT, THE MAIN CAUSE WAS MY MOMENTARY INATTN TO A CLRNC, AND IT'S READBACK. THIS MUST BE UNDERSTOOD BY THE ENTIRE CREW AT ALL TIMES. IF ONE CREWMEMBER DOESN'T UNDERSTAND THE CLRNC, HE SHOULD NOT 'PUT WORDS INTO ANOTHER'S MOUTH,' IN TRYING TO UNDERSTAND IT. ADDITIONALLY, XING ANY RWY REQUIRED VIGILANCE ON THE PART OF THE ENTIRE CREW. EVEN THOUGH I COULD SEE THE APCH PATH TO RWY 31R QUITE WELL, HAD I ASKED THE FO TO 'CLR R' IT WOULD HAVE FORCED HIM TO GET OUT OF HIS DEP CHART, AND 'BACK INTO THE LOOP.' HE WOULD HAVE KNOWN THAT THE RWY WAS OUR HOLD SHORT POINT. SUPPLEMENTAL INFO FROM ACN 296825: DISCUSSED WITH CAPT THAT WE WERE TO HOLD SHORT OF A SPECIFIC RWY PRIOR TO REACHING THE DEP RWY. WATCHED TAXI ON AND OFF WHILE DOING OTHER DUTIES AND INSURING THE MAINT PROB WAS INDEED FIXED AND ALL SYS WORKING AS THEY SHOULD.

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.