Runway excursion Accident Beechcraft E33A Bonanza N8401N,
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ASN Wikibase Occurrence # 207202
 
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Date:Thursday 11 June 2015
Time:08:40
Type:Silhouette image of generic BE33 model; specific model in this crash may look slightly different    
Beechcraft E33A Bonanza
Owner/operator:Private
Registration: N8401N
MSN: CE-215
Year of manufacture:1968
Total airframe hrs:5000 hours
Engine model:Continental IO 520 SERIES
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Tucson, AZ -   United States of America
Phase: Landing
Nature:Private
Departure airport:Tucson, AZ (57AZ)
Destination airport:Tucson, AZ (57AZ)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The airplane touched down smoothly with the power nearly off. During the landing roll, the commercial pilot applied gentle pressure to the brakes to slow down; however, there was no left braking action, but there was right braking action. The pilot was unable to maintain directional control of the airplane, and it departed the narrow runway and subsequently collided with a drainage ditch and cement wall.
During postaccident examination of the brake system, the hydraulic system was found almost empty because the bleeder valve on the brake caliper had sheared off due to impact damage. The examination revealed no evidence of any preimpact mechanical failures or malfunctions that would have precluded normal operation. The reason for the lack of left braking action could not be determined.



Probable Cause: A loss of left braking action for reasons that could not be determined because postaccident examination did not reveal any evidence of preimpact mechanical failures or malfunctions that would have precluded normal operation, which resulted in a loss of directional control.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: WPR15LA183
Status: Investigation completed
Duration: 2 years and 9 months
Download report: Final report

Sources:

NTSB

Location

Revision history:

Date/timeContributorUpdates
08-Mar-2018 11:24 ASN Update Bot Added

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