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A DC9-30 PIC wiggles the flap handle during a power reduction for the takeoff warning horn and continues the takeoff with the warning silenced at tys, tn.
| Attributes | |
| ACN | 464391 |
| Time | |
| Date | 200002 |
| Day | Fri |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : tys.airport |
| State Reference | TN |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | DC-9 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : takeoff roll |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : multi engine |
| Experience | flight time last 90 days : 100 flight time total : 4000 flight time type : 100 |
| ASRS Report | 464391 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 20000 flight time type : 5000 |
| ASRS Report | 464390 |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : published procedure other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : tkof warning other flight crewa |
| Resolutory Action | aircraft : equipment problem dissipated flight crew : overrode automation flight crew : overcame equipment problem |
| Consequence | other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Maintenance Human Performance Company Aircraft |
| Primary Problem | Aircraft |
Narrative:
At the initial power application for takeoff runway 23L at tys, the takeoff warning horn sounded. Captain reduced thrust and wiggled flap/slat handle. The horn silenced and flaps verified in 5 degree extension by indicator, slats indicated extended by blue 'slat extend' light. Takeoff continued. Maintenance write-up on system at destination airport.
Original NASA ASRS Text
Title: A DC9-30 PIC WIGGLES THE FLAP HANDLE DURING A PWR REDUCTION FOR THE TKOF WARNING HORN AND CONTINUES THE TKOF WITH THE WARNING SILENCED AT TYS, TN.
Narrative: AT THE INITIAL PWR APPLICATION FOR TKOF RWY 23L AT TYS, THE TKOF WARNING HORN SOUNDED. CAPT REDUCED THRUST AND WIGGLED FLAP/SLAT HANDLE. THE HORN SILENCED AND FLAPS VERIFIED IN 5 DEG EXTENSION BY INDICATOR, SLATS INDICATED EXTENDED BY BLUE 'SLAT EXTEND' LIGHT. TKOF CONTINUED. MAINT WRITE-UP ON SYS AT DEST ARPT.
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.