Serious incident British Aerospace BAe-146-200 N363PS, Friday 31 October 1986

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Date:	Friday 31 October 1986
Time:	10:00 LT
Type:	British Aerospace BAe-146-200
Owner/operator:	Pacific Southwest Airlines
Registration:	N363PS
MSN:	E2046
Total airframe hrs:	2741 hours
Engine model:	Lycoming ALF502
Fatalities:	Fatalities: 0 / Occupants: 42
Other fatalities:	0
Aircraft damage:	Minor
Category:	Serious incident
Location:	Santa Ana, CA - United States of America
Phase:	Initial climb
Nature:	Unknown
Departure airport:	Santa Ana, CA (KSNA)
Destination airport:	San Francisco International Airport, CA (SFO/KSFO)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
JUST AFTER TAKEOFF THE AIRCRAFT EXPERIENCED A FIRE IN THE NUMBER 3 ENGINE WHICH WAS EXTINGUISHED BY THE ON BOARD FIRE BOTTLES. INVESTIGATION REVEALED THAT A SECONDARY FUEL LINE HAD PULLED OUT OF A B-NUT FERRULE FITTING AT THE FUEL FLOW DIVIDER MANIFOLD WHICH ALLOWED FUEL TO DISCHARGE INTO THE ENGINE COWLING AREA. THE FAA SDR DATA BASE CONTAINED A RECORD OF 5 PRIOR OCCASIONS WHERE EITHER A PRIMARY OR SECONDARY FUEL LINE HAD PULLED OUT OF THE B-NUT FERRULE FITTING. A FACTORY MODIFICATION TO THE FUEL LINES WAS IN THE PROCESS OF IMPLIMENTATION ON A FLEET WIND BASIS, BUT HAD NOT YET BEEN ACCOMPLISHED ON THIS AIRCRAFT. THE FLT LANDED AT THE DEPARTURE ARPT AFTER THE EMERGENCY WITHOUT FURTHER INCIDENT.

Probable Cause:

Accident investigation: