B727 flight crew observes DC9 issued takeoff clearance begin roll while still crossing runway. While crossing runway 33L, flight crew hear local controller cancel takeoff clearance.

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Attributes
ACN	467318
Time
Date	200003
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : bos.airport
State Reference	MA
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B727 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	ground : taxi
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tower : bos.tower
Operator	common carrier : air carrier
Make Model Name	DC-9 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	ground : position and hold ground : takeoff roll
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : second officer
Qualification	pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 150 flight time total : 5700 flight time type : 150
ASRS Report	467318
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	conflict : ground less severe incursion : runway non adherence : required legal separation non adherence : published procedure
Independent Detector	other controllera other flight crewa
Resolutory Action	controller : issued new clearance controller : separated traffic flight crew : rejected takeoff
Consequence	faa : reviewed incident with flight crew faa : investigated
Miss Distance	horizontal : 2500 vertical : 0
Supplementary
Problem Areas	Airport Flight Crew Human Performance ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Intra Facility Coordination Failure Operational Error

Narrative:

At approximately XA45Z, we were holding short of runway 33L on taxiway D at bos. At XA48Z, the tower controller on frequency 119.1 cleared our flight to cross runway 33L and contact tower frequency 128.8 once we had crossed the runway. The clearance to cross runway 33L was heard by the three primary, and one jump seat crew members in our cockpit. The readback to tower was given by the first officer. As we crossed the runway and switched to 128.8, we saw a DC9 (that had been holding in position on runway 33L) powering up for takeoff, and at the same time heard the tower controller cancel their takeoff clearance. At this time we were clearing runway 33L. We continued on taxiway D to runway 27 and were cleared for takeoff at XA52Z. During climb out bos approach asked us to call bos tower after landing. Bos tower told the captain that our flight had done nothing wrong, but was unable to tell him exactly what had happened.

Original NASA ASRS Text

Title: B727 FLC OBSERVES DC9 ISSUED TKOF CLRNC BEGIN ROLL WHILE STILL XING RWY. WHILE XING RWY 33L, FLC HEAR LCL CTLR CANCEL TKOF CLRNC.

Narrative: AT APPROX XA45Z, WE WERE HOLDING SHORT OF RWY 33L ON TXWY D AT BOS. AT XA48Z, THE TWR CTLR ON FREQ 119.1 CLRED OUR FLT TO CROSS RWY 33L AND CONTACT TWR FREQ 128.8 ONCE WE HAD CROSSED THE RWY. THE CLRNC TO CROSS RWY 33L WAS HEARD BY THE THREE PRIMARY, AND ONE JUMP SEAT CREW MEMBERS IN OUR COCKPIT. THE READBACK TO TWR WAS GIVEN BY THE FO. AS WE CROSSED THE RWY AND SWITCHED TO 128.8, WE SAW A DC9 (THAT HAD BEEN HOLDING IN POS ON RWY 33L) POWERING UP FOR TKOF, AND AT THE SAME TIME HEARD THE TWR CTLR CANCEL THEIR TKOF CLRNC. AT THIS TIME WE WERE CLRING RWY 33L. WE CONTINUED ON TXWY D TO RWY 27 AND WERE CLRED FOR TKOF AT XA52Z. DURING CLBOUT BOS APCH ASKED US TO CALL BOS TWR AFTER LNDG. BOS TWR TOLD THE CAPT THAT OUR FLT HAD DONE NOTHING WRONG, BUT WAS UNABLE TO TELL HIM EXACTLY WHAT HAD HAPPENED.

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.