Pilot Debrief

STINSON 108 near Lee's Summit, MO — 2017-07-21

Final reportCEN17LA280
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Date
2017-07-21
Location
Lee's Summit, MO, USA
Airport
KLXT
Aircraft
STINSON 108
Registration
N8954K
Category
Airplane
Highest injury
None
Fatalities
0
Phase of flight
Landing

Probable cause

The pilot’s loss of directional control during landing due to the failure of the right brake seal.

NTSB narrative

During a cross-country flight, the airline transport pilot chose an en route stop to refuel. During the landing roll, the airplane started to drift left, so the pilot applied the right brake and rudder to correct the turn; however, the brake "went to the floor." The pilot was unable to correct the turn, and the airplane continued off the edge of the runway. An examination of the braking system confirmed that the right brake was not functional, likely due to a failed seal.

Analysis

Primary failure mode
Mechanical failure
First missed decision gate
Pilot could have aborted landing after noticing brake failure.

NTSB coding

Evidence available

  • 2 docket documents
View NTSB final reportView NTSB docket

Docket documents2

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