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A beech baron 55 during taxi had the left brake fail suddenly with the airplane veering to the left causing the left wingtip to strike a canopy support beam incurring left wingtip damage.
| Attributes | |
| ACN | 522557 |
| Time | |
| Date | 200108 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : bwg.airport |
| State Reference | KY |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : corporate |
| Make Model Name | Baron 55/Cochise |
| Operating Under FAR Part | Part 91 |
| Flight Phase | ground : taxi |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : commercial pilot : cfi pilot : instrument pilot : multi engine |
| Experience | flight time last 90 days : 71 flight time total : 3140 flight time type : 803 |
| ASRS Report | 522557 |
| Events | |
| Anomaly | aircraft equipment problem : critical ground encounters other other anomaly other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Aircraft |
| Primary Problem | Aircraft |
Narrative:
I am reporting an aircraft incident which occurred while taxiing my aircraft for shutdown after the completion of a successful flight. While taxiing, my aircraft suddenly strayed to the left of the taxi centerline stripe. Immediately, I gave right rudder input to correct the situation. When rudder input did not respond as quickly as needed, both engines were shut down and heavy braking applied. The aircraft left wingtip inadvertently struck a canopy support beam between engine shutdown and the aircraft actually stopping. In retrospect, I should have immediately shut down the engines instead of trying to correct the situation as soon as I realized rudder input was not as rapid as needed. Later, when the aircraft was in the hanger I discovered brake fluid on the floor underneath the left brake assembly, which would explain the sudden left movement and the lag time in the braking system response.
Original NASA ASRS Text
Title: A BEECH BARON 55 DURING TAXI HAD THE L BRAKE FAIL SUDDENLY WITH THE AIRPLANE VEERING TO THE L CAUSING THE L WINGTIP TO STRIKE A CANOPY SUPPORT BEAM INCURRING L WINGTIP DAMAGE.
Narrative: I AM RPTING AN ACFT INCIDENT WHICH OCCURRED WHILE TAXIING MY ACFT FOR SHUTDOWN AFTER THE COMPLETION OF A SUCCESSFUL FLT. WHILE TAXIING, MY ACFT SUDDENLY STRAYED TO THE L OF THE TAXI CTRLINE STRIPE. IMMEDIATELY, I GAVE R RUDDER INPUT TO CORRECT THE SIT. WHEN RUDDER INPUT DID NOT RESPOND AS QUICKLY AS NEEDED, BOTH ENGS WERE SHUT DOWN AND HVY BRAKING APPLIED. THE ACFT L WINGTIP INADVERTENTLY STRUCK A CANOPY SUPPORT BEAM BTWN ENG SHUTDOWN AND THE ACFT ACTUALLY STOPPING. IN RETROSPECT, I SHOULD HAVE IMMEDIATELY SHUT DOWN THE ENGS INSTEAD OF TRYING TO CORRECT THE SIT AS SOON AS I REALIZED RUDDER INPUT WAS NOT AS RAPID AS NEEDED. LATER, WHEN THE ACFT WAS IN THE HANGER I DISCOVERED BRAKE FLUID ON THE FLOOR UNDERNEATH THE L BRAKE ASSEMBLY, WHICH WOULD EXPLAIN THE SUDDEN L MOVEMENT AND THE LAG TIME IN THE BRAKING SYS RESPONSE.
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.