Air carrier large transport takeoff abort when warning horn sounded them blew over some mail carts as engine runup was made to check the warning horn.

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Attributes
ACN	179297
Time
Date	199105
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : msp
State Reference	MN
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	climbout : takeoff ground : holding other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : atp pilot : instrument pilot : flight engineer
Experience	flight time last 90 days : 100 flight time total : 7500 flight time type : 3300
ASRS Report	179297
Person 2
Affiliation	company : air carrier
Function	flight crew : second officer
Qualification	pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 70 flight time total : 5000 flight time type : 380
ASRS Report	179289
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other other : unspecified
Resolutory Action	flight crew : rejected takeoff none taken : detected after the fact
Consequence	Other
Supplementary
Primary Problem	Airport
Air Traffic Incident	Pilot Deviation other

Narrative:

Flight msp to phl. We ran up power for takeoff and got a warning horn, so we cleared the runway and asked ground to let us park by the post office to check out the aircraft. We cycled flaps, stabilizer trim and speed brakes, and then asked ground if we were clear to run up #3 to check. This was approved and we got no horn. We then got cleared to the runway and departed. On arrival in phl, company informed us we had blown over some carts by the post office. When I asked ground to clear us for a short runup, I assumed they could see us (we could see the tower). I believed approval provided this protection since, although the area appeared clear taxiing in, there's no absolute way to clear yourself short of a ground observer.

Original NASA ASRS Text

Title: ACR LGT TKOF ABORT WHEN WARNING HORN SOUNDED THEM BLEW OVER SOME MAIL CARTS AS ENGINE RUNUP WAS MADE TO CHECK THE WARNING HORN.

Narrative: FLT MSP TO PHL. WE RAN UP PWR FOR TKOF AND GOT A WARNING HORN, SO WE CLRED THE RWY AND ASKED GND TO LET US PARK BY THE POST OFFICE TO CHK OUT THE ACFT. WE CYCLED FLAPS, STABILIZER TRIM AND SPD BRAKES, AND THEN ASKED GND IF WE WERE CLR TO RUN UP #3 TO CHK. THIS WAS APPROVED AND WE GOT NO HORN. WE THEN GOT CLRED TO THE RWY AND DEPARTED. ON ARR IN PHL, COMPANY INFORMED US WE HAD BLOWN OVER SOME CARTS BY THE POST OFFICE. WHEN I ASKED GND TO CLR US FOR A SHORT RUNUP, I ASSUMED THEY COULD SEE US (WE COULD SEE THE TWR). I BELIEVED APPROVAL PROVIDED THIS PROTECTION SINCE, ALTHOUGH THE AREA APPEARED CLR TAXIING IN, THERE'S NO ABSOLUTE WAY TO CLR YOURSELF SHORT OF A GND OBSERVER.

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.