Accident Air Tractor AT-502 N7320C, Wednesday 19 April 1989

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Date:	Wednesday 19 April 1989
Time:	15:30 LT
Type:	Air Tractor AT-502
Owner/operator:	Kubecka Flying Service
Registration:	N7320C
MSN:	502-0015
Year of manufacture:	1988
Total airframe hrs:	846 hours
Engine model:	P&W PT6A-34AG
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Ganado, TX - United States of America
Phase:	Landing
Nature:	Agricultural
Departure airport:
Destination airport:
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
AS THE PILOT WAS LANDING, THE AIRCRAFT VEERED TO THE RIGHT, THE LEFT MAIN LANDING GEAR & STRUT SEPARATED, AND THE AIRCRAFT SETTLED ON THE LEFT WING. ACCORDING TO THE PILOT, THE RIGHT BRAKE LOCKED, WHICH CAUSE THE AIRCRAFT TO YAW TO THE RIGHT. A POST-ACCIDENT INSPECTION OF THE RIGHT BRAKE DID NOT REVEAL ANY REASON FOR THE BRAKE TO LOCK. THE WHEEL WAS FREE TO ROTATE & THE MASTER CYLINDER APPEARED TO BE IN PROPER WORKING ORDER.

Probable Cause: LOSS OF DIRECTIONAL CONTROL FOR AN UNKNOWN REASON.

Accident investigation: