Accident Waco UIC N13408, Sunday 3 February 1991

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Date:	Sunday 3 February 1991
Time:	12:00 LT
Type:	Waco UIC
Owner/operator:	Private
Registration:	N13408
MSN:	3767
Year of manufacture:	1933
Engine model:	Continental W-670-6A
Fatalities:	Fatalities: 0 / Occupants: 2
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Santa Paula, CA - United States of America
Phase:	Landing
Nature:	Private
Departure airport:	Whiteman, CA (KWHP)
Destination airport:
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
DURING THE LANDING ROLL, THE AIRCRFT VEERED TO THE RIGHT, OFF THE RUNWAY. THE AIRCRAFT STRUCK THE AIRPORT'S TETRAHEDRON, WHICH WAS LOCATED ADJACENT TO THE RUNWAY. INSPECTION OF THE AIRPLANE FOUND THE LEFT BRAKE MASTER CYLINDER HAD BROKEN AND LODGED BETWEEN THE RUDDER PEDAL AND THE FLOOR. THIS RESULTED IN THE LOSS OF DIRECTIONAL CONTROL AND PREVENTED THE PILOT FROM MAINTAINING THE AIRCRAFT'S POSITION ON THE RUNWAY.

Probable Cause: THE BRITTLE FRACTURE OF THE LEFT BRAKE MASTER CYLINDER TREAD END CAUSING LOSS OF DIRECTIONAL CONTROL.

Accident investigation: