Service Difficulty Advisories

From: Transport Canada

These Service Difficulty Advisories brings to your attention a potential problem identified by the Service Difficulty Reporting Program. It is a non-mandatory notification and does not preclude issuance of an airworthiness directive.

Note: All Service Difficulty Advisories issued after October 2010 will be called Civil Aviation Safety Alerts and will be found on the Civil Aviation Safety Alert Home page.

AV	Date	Subject	PDF
2010-04	20 April 2010	Engine core cowl stay support strut/rod	337 KB
2010-03	18 March 2010	CESSNA 300/400 Series Main Landing Gear Malfunctions	47.5 KB
2010-02	4 March 2010	Bombardier Inc. CL-600-2C10, CL-600-2D15 and CL-600-2D24 Aft Nose Landing Gear Door Upper Attachment Hinge Assemblies	157 KB
2009-06	8 December 2009	Kelowna Flightcraft - Convair 340/440 (580) model aircraft Fuel Crossfeed and Transfer	58 KB
2009-05	30 September 2009	Inspection & Maintenance Guidelines for Flush-Mounted Fuel Caps	69 KB
2009-04	29 September 2009	Canadair challenger CL-600-2A12, CL 600-2B16 series 601, 601-3A and 601-3R elevator cable vertical stabilizer area	188 KB
2009-03	26 June 2009	Catalytic Oxidation of Aircraft Carbon Brakes due to Runway De-Icing (RDI) Fluids	34 KB
2009-02	8 May 2009	Nacelle Bolt Migration DHC 8 100/200/300	64 KB
2009-01	17 April 2009	PT6A Engines - Handling of External Engine Tubes and Fittings	113 KB
2008-08	2 December 2008	Tire Failure - Locked Carbon Disc Brake Due to Moisture Absorption and Freezing	45KB
2008-07	9 September 2008	Pratt & Whitney Canada PW500 Series Engines No. 4 Bearing - Carbon Seal Distress	29KB
2008-06	15 August 2008	Teledyne Contental Engine Model A-65 Series	32.4KB
2008-05	19 June 2008	Pratt & Whitney Canada PT 6A-65 & 67 Series Reduction Gearbox 1^ST Stage Carrier Bolts Fractured	31KB
2008-04	19 June 2008	Pratt & Whitney Canada JT15D-1 series Impeller Failures	31KB
2008-03	28 May 2008	Fuel System Icing (Suspended Water In Fuel)	49KB
2008-02	22 February 2008	Diamond DA20-C1 - IO-240 Fuel System Contamination	43KB
2008-01	17 January 2008	DHC 8 Q400 Series Nose Landing Gear Door Spring	42KB
2007-06	19 September 2007	PT6A - 114/114A Compressor Turbine Blades	43KB
2007-05	29 October 2007	All PT6A Engines (#1 bearing) Electrical Discharge Damage (EDD)	43KB
2007-04	22 August 2007	CESSNA 150, 172, and 175 Steering Tube (PN 0543022-XX) TSB Aviation Safety Information A02Q0160-D1-L1; Jammed Rudder Pedal	65KB
2007-03R1	20 May 2009	Flexible Fuel Manifolds Pratt & Whitney Canada PW100 Series Engines	30 KB
2007-03	9 February 2007	Flexible Fuel Manifolds Pratt & Whitney Canada PW100 Series Engines	38KB
2007-02	1 February 2007	Pratt & Whitney R-985 Series Engines Cylinder Heads and Cylinder Flanges	68KB
2007-01	25 January 2007	Aircraft Fuel Caps Being Found on Runway and Taxi Surfaces	124KB
2006-08	22 September 2006	Pratt & Whitney Canada Engines Engine Oil Filler Cap Security	90KB
2006-07	8 September 2006	Mitsubishi MU-2B - Combustor Plenums Cracked (Honeywell TPE 331-6-252M)	1279KB
2006-06	5 July 2006	Pratt & Whitney Canada All PT6A Series Engines - Hot Section – Borescope Inspections	41KB
2006-05	4 July 2006	Pratt and Whitney Canada PT6A-38, -40, -41, -41AG, -42, -42A, and -62, Series Engines Replacement of First Stage Sun Gear and Planet Gears at Overhaul	44KB
2006-04	30 May 2006	De havilland Twin Otter DHC 6-300 - Nose Wheel Steering Collar Fracture	97KB
2006-03	24 February 2006	Pratt & Whitney Canada PT6, PW100, PW150, JT15D, PW 200, PW300 and PW500 Engine Models Engine Condition Trend-Monitoring	12KB
2006-02	24 February 2006	Cessna 182 - Inspection of EDO Float Installations	47KB
2006-01	8 February 2006	Pratt & Whitney PW 100 Engine - Electrical System Care	255KB
2005-02	12 April 2005	Pratt & Whitney Canada - PT6A-67D Series Engines (Installed on Raytheon Beech 1900D Aircraft) Possible Oil Contamination	47KB
2005-01	6 April 2005	Honeywell (Garrett) TPE 331-10UA - Engine Oil Filter Housing Cracks	41KB
2004-05	1 December 2004	Pratt & Whitney Canada - JT8D-17 Series Engine Compressor Failures	48KB
2004-04	16 July 2004	Rolls Royce Corporation (RRC) 250 Series Engines - Engine Compressor Splined Adaptor Couplings	130KB
2004-03	4 June 2004	De Havilland DHC-1 Chipmunk - Flight Control Cables	128KB
2004-02	12 February 2004	Passenger Seat Belts Equipped With "D-Ring" Type Attachment Fittings	338KB
2004-01	12 January 2004	Cessna 650 - Citation III Flight Control Cables	151KB
2003-09	29 December 2003	Lycoming TIO-540 Series - Crankshaft Fatigue Cracks	95KB
2003-08	11 December 2003	Chelton Flight Systems	120KB
2003-07	28 November 2003	Swearingen SA226TC - Water Ingress During Heavy Rain	124KB
2003-06	10 November 2003	Israel Industries Astra SPX Nosewheel Steering Bracket Failure	108KB
2003-05	18 September 2003	Beech 1900D Hartzell Propeller HC-E4A-3I - Blade Retention Bearings	89KB
2003-04	17 July 2003	Bell 222, 222B, 222U and 230 Tailboom Cracking	160KB
2003-03	9 July 2003	BAE Jetstream Series 3100/3200 Dowty Rotol Propeller R333 - Damaged Piston Seals	99KB
2003-02	19 July 2003	Piper PA28R 201, PA32R 301/T, PA44 180/T, PA46 310P/350P - Nose Landing Gear Down Assist Springs	126KB
2003-01	18 February 2003	Beech A100 - Cracked Elevator Trailing Edge Splines	209KB
2002-05	21 November 2002	Bell 206A/B Series Engine Compressor Damage	97KB
2002-04	30 October 2002	Beech King Air Series Wing Attach Torque Procedure	122KB
2002-03	17 June 2002	Voltage Regulators Installed on Cessna Single Engine Aircraft With 14-Volt Electrical Systems	145KB
2002-02	16 January 2002	Turbine Governor Spring - Honeywell Allison Models 250-C18, -C20, -C28, -C30 (Including -C30R and -C30R/1), -C20R, -B15, -B17, and -B17F Series Engines	122KB
2002-01	11 January 2002	Aeroshell Oil Recall	153KB
2001-06	8 November 2001	Generator Failure Warning Light	119 KB
2001-05	16 October 2001	Cessna 188, A188, and T188 (AGWAGON) - Corrosion of Rudder Pedal Arms and Torque Tubes	418KB
2001-04	16 July 2001	Aerospatiale as 350/355 Series - Tail Rotor Pitch Change Spider	122KB
2001-03	28 March 2001	Hughes 369D Collective Bungee Support Bracket	136KB
2001-02	5 March 2001	Aerospatiale as 350/355 Series - Tail Rotor Blade Cracks	188KB
2001-01	10 January 2001	Hamilton Sundtrand 14SF-5 and 14SF-7 Propellers - Cracked Blade Retaining Rings	120KB
2000-06	6 December 2000	Cessna 150 &152 - Vertical Fin Attachment Bracket Cracking	162KB
2000-05	5 October 2000	Cessna 172/180/185 - Aileron Control Column Sprockets	292KB
2000-04	17 August 2000	Airbus A330 - Burnt Power Supply	119KB
2000-03	5 June 2000	Aviadesign STC SA4013WE (Beech 99, King Air, Queen Air & Swearinggen SA26) - Main Landing Gear Collapse	124KB
2000-02	24 March 2000	Mitsubishi MU-2B - Gear-up Landing	170KB
2000-01	31 January 2000	Mcdonnell Douglas (Hughes) 369 Series 0 Flight in Falling Snow - Optional Engine Air Inlet Deflector	123KB
1999-06	22 September 1999	De Havilland DHC 8300 Series - Emergency Exit Type I Door	150KB
1999-05	11 August 1999	Piper PA34 - Tunnel Bracket	161KB
1999-04	22 July 1999	Allison 250-C18 & -C20 Series - Sundstrand Dual Element Fuel Pump Part Number 024731	124KB
1999-03R1	14 January 2000	Bell 206 Series - Craked Frame	158KB
1999-03	15 July 1999	Bell 206 Series - Cracked Frame	139KB
1999-02	7 July 1999	Bell 206 Series Helicopters - Cracked Pitch Link Nuts	135KB
1999-01	7 July 1999	Rolls-Royce Dart & Spey - Silver Plating - Fuel Pumps	122KB
1998-01	17 April 1998	Textron Lycoming 320 & 360 Series Engines - Crankshaft Inspection	132KB
1997-01	10 December 1997	Eurocopter 350 Series - Fuel Control Lever Guard	115KB
1990-06	14 January 2008	Allison 250-C Series Engines Loose “B” Nuts	41KB

Service Difficulty Advisories are available in Portable Document Format and may be viewed using version 3.0 or higher of the Adobe® Acrobat Reader. This reader may be downloaded free of charge by visiting the Adobe® web site, or contact your LAN administrator if you require assistance with the installation of the Adobe Reader.

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