Serious incident de Havilland Canada DHC-8-101 N813PH, Friday 19 June 1987

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Date:	Friday 19 June 1987
Time:	14:15 LT
Type:	de Havilland Canada DHC-8-101
Owner/operator:	Horizon Air
Registration:	N813PH
MSN:	032
Year of manufacture:	1986
Total airframe hrs:	2841 hours
Engine model:	P&W PW-120
Fatalities:	Fatalities: 0 / Occupants: 41
Other fatalities:	0
Aircraft damage:	Minor
Category:	Serious incident
Location:	Seattle, WA - United States of America
Phase:	En route
Nature:	Unknown
Departure airport:	Seattle/Tacoma International Airport, WA (SEA/KSEA)
Destination airport:	Portland International Airport, OR (PDX/KPDX)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE CREW OF THE SCHEDULED AIRLINE PASSENGER FLIGHT EXPERIENCED AN EXPLOSION AND FIRE IN THE RIGHT ENGINE AT APPROX 800 FT AGL DURING INITIAL CLIMB AFTER TAKEOFF. THE PILOT SHUT THE ENGINE DOWN, ACTIVATED TWO FIRE BOTTLES, WHICH EXTINGUISHED THE FIRE AND LANDED WITHOUT FURTHER INCIDENT. A HIGH PRESSURE FUEL CONTROL UNIT FUEL RETURN LINE, INSTALLED NEAR THE STARTER GENERATOR, WAS FOUND TO BE LEAKING. A LABORATORY EXAMINATION REVEALED PREVIOUS EXTERNAL DAMAGE TO THE LINE.

Probable Cause:

Accident investigation: