Narrative:

After approximately 1 min in position and hold on runway 4L in bos, my captain and I received our takeoff clearance. We both performed our final items checklists and commenced the takeoff roll. The aircraft handled and accelerated normally until approximately V1 speed where a hesitation to rotate was noticed. Both crew members simultaneously called for an abort, which was accomplished without further incident. While taxiing clear of the runway, the steering and braking were normal. The reason for the abort was reported to ATC as 'an annunciator light' along with the tail number. Shortly thereafter we discovered the parking brake partially set. After releasing the brake fully, we departed runway 4L en route to pwm. Upon landing, the aircraft handled, steered, and braked normally once again. Postflt inspection revealed a flat- spotted #4 main outboard tire. We called company dispatch at that time and informed dispatch and maintenance of the tire problem. We were told that the aborted takeoff constituted a 'flight interruption' in bos, which should have required a phone call there prior to departure. We had not followed our company's general operations manual procedures on obtaining an amended release after a 'mechanical irregularity.' captain and I were removed from active flight status and have received additional training on the subject(south). The situation could have been avoided by ensuring parking brake was fully released as required in the takeoff checklist, or perhaps not setting it on an active runway. Our high frequency of operation into bos and position and hold scenarios led to the cause of the incident. Although the abort was handled well, we showed poor crew coordination in the reporting of the cause and poor judgement by not calling company and inspecting the aircraft in bos. Company procedures now require all aborts to have new dispatch release with involvement of maintenance department if necessary. Supplemental information from acn 385205: upon landing in pwm I did my postflt check and found that our #4 tire had blown.

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Original NASA ASRS Text

Title: BEECH 1900D ACFT COMMENCED TKOF WITH PARKING BRAKE SET. TKOF WAS ABORTED. FLC RETURNED TO TKOF AGAIN AFTER FINDING THE BRAKE SET. AFTER LNDG A BLOWN TIRE WAS DISCOVERED. FLC WAS REMOVED FROM FLT DUTIES AND PROVIDED EXTRA TRAINING.

Narrative: AFTER APPROX 1 MIN IN POS AND HOLD ON RWY 4L IN BOS, MY CAPT AND I RECEIVED OUR TKOF CLRNC. WE BOTH PERFORMED OUR FINAL ITEMS CHKLISTS AND COMMENCED THE TKOF ROLL. THE ACFT HANDLED AND ACCELERATED NORMALLY UNTIL APPROX V1 SPD WHERE A HESITATION TO ROTATE WAS NOTICED. BOTH CREW MEMBERS SIMULTANEOUSLY CALLED FOR AN ABORT, WHICH WAS ACCOMPLISHED WITHOUT FURTHER INCIDENT. WHILE TAXIING CLR OF THE RWY, THE STEERING AND BRAKING WERE NORMAL. THE REASON FOR THE ABORT WAS RPTED TO ATC AS 'AN ANNUNCIATOR LIGHT' ALONG WITH THE TAIL NUMBER. SHORTLY THEREAFTER WE DISCOVERED THE PARKING BRAKE PARTIALLY SET. AFTER RELEASING THE BRAKE FULLY, WE DEPARTED RWY 4L ENRTE TO PWM. UPON LNDG, THE ACFT HANDLED, STEERED, AND BRAKED NORMALLY ONCE AGAIN. POSTFLT INSPECTION REVEALED A FLAT- SPOTTED #4 MAIN OUTBOARD TIRE. WE CALLED COMPANY DISPATCH AT THAT TIME AND INFORMED DISPATCH AND MAINT OF THE TIRE PROB. WE WERE TOLD THAT THE ABORTED TKOF CONSTITUTED A 'FLT INTERRUPTION' IN BOS, WHICH SHOULD HAVE REQUIRED A PHONE CALL THERE PRIOR TO DEP. WE HAD NOT FOLLOWED OUR COMPANY'S GENERAL OPS MANUAL PROCS ON OBTAINING AN AMENDED RELEASE AFTER A 'MECHANICAL IRREGULARITY.' CAPT AND I WERE REMOVED FROM ACTIVE FLT STATUS AND HAVE RECEIVED ADDITIONAL TRAINING ON THE SUBJECT(S). THE SIT COULD HAVE BEEN AVOIDED BY ENSURING PARKING BRAKE WAS FULLY RELEASED AS REQUIRED IN THE TKOF CHKLIST, OR PERHAPS NOT SETTING IT ON AN ACTIVE RWY. OUR HIGH FREQ OF OP INTO BOS AND POS AND HOLD SCENARIOS LED TO THE CAUSE OF THE INCIDENT. ALTHOUGH THE ABORT WAS HANDLED WELL, WE SHOWED POOR CREW COORD IN THE RPTING OF THE CAUSE AND POOR JUDGEMENT BY NOT CALLING COMPANY AND INSPECTING THE ACFT IN BOS. COMPANY PROCS NOW REQUIRE ALL ABORTS TO HAVE NEW DISPATCH RELEASE WITH INVOLVEMENT OF MAINT DEPT IF NECESSARY. SUPPLEMENTAL INFO FROM ACN 385205: UPON LNDG IN PWM I DID MY POSTFLT CHK AND FOUND THAT OUR #4 TIRE HAD BLOWN.

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.