Accident Cessna 207A N9736M, Wednesday 17 September 1986

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Date:	Wednesday 17 September 1986
Time:	12:20 LT
Type:	Cessna 207A
Owner/operator:	Ryan Air
Registration:	N9736M
MSN:	20700722
Year of manufacture:	1981
Total airframe hrs:	4937 hours
Engine model:	Continental IO-520F
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Mountain Villag, AK - United States of America
Phase:	Landing
Nature:	Unknown
Departure airport:	St. Marys, AK (KSM)
Destination airport:
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE AIRLINE TRANSPORT PILOT WHO IS ALSO A CERTIFICATED AIRFRAME AND POWERPLANT MECHANIC ELECTED TO DEFER BRAKE REPAIRS UNTIL THE END OF THE FLYING DAY. THE FATIGUED RIGHT BRAKE LINE FAILED BEFORE THE END OF THE DAY'S FLYING ACTIVITY. DURING LNDG THE BRAKES FAILED AND THE ACFT OVERRAN THE END OF THE RWY RESULTING IN SUBST DAMAGE

Probable Cause:

Accident investigation: