Atl ATCT local controller clears MD80 to cross runway 9L, cancels clearance after aircraft crossed hold short line and subsequently clears an aircraft for takeoff on runway 9L.

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Attributes
ACN	609513
Time
Date	200402
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : atl.airport
State Reference	GA
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	MD-88
Operating Under FAR Part	Part 121
Flight Phase	ground : taxi ground : holding
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tower : atl.tower
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	ground : takeoff roll
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 113 flight time total : 11819 flight time type : 2157
ASRS Report	609513
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 180 flight time total : 4000 flight time type : 500
ASRS Report	609692
Events
Anomaly	conflict : ground less severe incursion : runway non adherence : far non adherence : required legal separation
Independent Detector	other controllera other flight crewa other flight crewb
Resolutory Action	controller : issued new clearance flight crew : took precautionary avoidance action
Consequence	faa : reviewed incident with flight crew Other
Supplementary
Problem Areas	Cabin Crew Human Performance Airport Flight Crew Human Performance ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

After clearing runway 9R in atl, we were instructed to hold short of the inbound runway 9L. After we stopped short of runway 9L, we were subsequently cleared to cross. The first officer acknowledged the clearance and as we started to roll, the tower called back, but the instruction was blocked by the flight attendant call bell. I stopped the aircraft while the first officer queried the controller. He came back with 'stop.' then the controller said 'you did the right thing.' he then cleared an aircraft to take off on runway 9L. We were across the hold short line at the time, but short of the runway. At the gate, I called the tower supervisor to get the whole story. He said the controller had changed his mind after clearing us to cross. The supervisor said there were no problems and we had acted on the clrncs correctly. I also talked with the flight attendants about the use of the call bell while we were on active txwys and/or runways.

Original NASA ASRS Text

Title: ATL ATCT LCL CTLR CLRS MD80 TO CROSS RWY 9L, CANCELS CLRNC AFTER ACFT CROSSED HOLD SHORT LINE AND SUBSEQUENTLY CLRS AN ACFT FOR TKOF ON RWY 9L.

Narrative: AFTER CLRING RWY 9R IN ATL, WE WERE INSTRUCTED TO HOLD SHORT OF THE INBOUND RWY 9L. AFTER WE STOPPED SHORT OF RWY 9L, WE WERE SUBSEQUENTLY CLRED TO CROSS. THE FO ACKNOWLEDGED THE CLRNC AND AS WE STARTED TO ROLL, THE TWR CALLED BACK, BUT THE INSTRUCTION WAS BLOCKED BY THE FLT ATTENDANT CALL BELL. I STOPPED THE ACFT WHILE THE FO QUERIED THE CTLR. HE CAME BACK WITH 'STOP.' THEN THE CTLR SAID 'YOU DID THE RIGHT THING.' HE THEN CLRED AN ACFT TO TAKE OFF ON RWY 9L. WE WERE ACROSS THE HOLD SHORT LINE AT THE TIME, BUT SHORT OF THE RWY. AT THE GATE, I CALLED THE TWR SUPVR TO GET THE WHOLE STORY. HE SAID THE CTLR HAD CHANGED HIS MIND AFTER CLRING US TO CROSS. THE SUPVR SAID THERE WERE NO PROBS AND WE HAD ACTED ON THE CLRNCS CORRECTLY. I ALSO TALKED WITH THE FLT ATTENDANTS ABOUT THE USE OF THE CALL BELL WHILE WE WERE ON ACTIVE TXWYS AND/OR RWYS.

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.