On September 25, 1995, a Cessna 340 (registration N10DF) operated by American Check Transport, Inc. was involved in an aviation accident near Riverton, WY. Investigators recorded the probable cause as: a partial loss of hydraulic fluid in the left brake system rendering the left brake inoperative. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 1 related events involving the same aircraft type or operator are linked below.
The pilot reported a left brake failure while turning onto the runway for takeoff, causing the nose gear to impact a nearby ditch and collapse.
What happened
The pilot reported that while turning the airplane with power onto the runway for takeoff the left brake failed. The nose gear impacted a ditch, located in close proximity to the runway, and collapsed.
The investigation
Examination revealed that hydraulic brake fluid had leaked out of the left brake system. The source of the leakage was not found.