Schleicher (Germany) Composite Structure Aircraft Status Subject Detail Reference information TNS Contact: UK Agent: - Peter Wells Tel 01844 201028 or 208157 http://www.zulu-glasstek.co.uk/ Current AD’s available on LBA web site. http://www.lba.de/EN/DivisionT/Airworthiness/ADs/AD_node.html and more recent ADs http://ad.easa.europa.eu/ Schleicher ADs and TN’s can be viewed at http://www.alexander-schleicher.de/en/tm-lta-wa/ All Technical notes should be reviewed to determine applicability Schleicher TN’s can be viewed at http://www.alexander-schleicher.de/tm-lta-wa/tm-flugzeuge/ All Technical notes should be reviewed to determine applicability. ASW 12 ASW 12 In Service Reports (Advisory) Rudder pedals Ballast weights Failure of tube at attachment to pedal Unsecured ballast fouling controls due to bolt failure ASW-15 & 15B ASW 15 In Service Reports (Advisory) Rudder & fin shroud fouls Tow release cable damaged in conduit Undercarriage handle knob detached locking pin failed Ailerons oscillate if too out of balance max 122 Kg mm TE heavy Tail plane mountings Loose bolts in ply reinforcement Landing gear Incorrect rivets used causing collapse ASW 17 & 17B Page 1 BGA Compendium 04/15 04/00 04/00 06/75 08/93 & 08/83 10/97 04/03 4-2011 Schleicher (Germany) Composite Structure Aircraft Status Subject Detail ASW 17 In Service Reports (Advisory) Soft balsa in tailplane caused by water ingress ASW 19 & 19B ASW 19 In Service Reports (Advisory) Canopy latch rods Canopy open/close knobs Air brake mod (extra paddle) Jamming of Airbrakes Rudder pedal “S” guides bend on heavy landings - inspect to be painted red pivot bolts fouling original blade Paddle mounting bolts too long cracked ASW-20 series (For ASW 20F see Centrair) ASW 20 In Service Reports (Advisory) Canopy latch rods Control hinges Flap vibration Flap control stops insecure Flap malfunction Rudder cables Canopy open/close knobs Ballast dump valve inoperative Elevator control restriction Rudder Controls Control stick Elevator control Controls Page 2 BGA Compendium 04/15 bend on heavy landings - inspect corroded rivets backlash rivet into place if necessary lock nuts at pilots' lever loose sever bend at rudder to be painted red corrosion of swages in cockpit foul between incorrectly fitted bolts Severe corrosion on control horn Shortening to fit new handle Corroded bell crank Corrosion of bearings, rod ends and hardware Reference information TNS 04/89 04/78 02/85 06/98 02/01 07/81 04/78 12/79 05/81 02/83 12/84 08/85 02/85 10/90 06/96 2-2009 3-2013 1-2014 4-2014 Status Subject ASK-21 I Life extension Detail Schleicher (Germany) Composite Structure Aircraft Reference information BGA Guidance on 12,000hr extension and recording aerobatic flight ASK 21 In Service Reports Advisory Trim indicator Bowden cable Wheel fouls wheel box U/C retention stud Rear canopy gas strut hinge pins Rudder pedal jamming Front canopy jettison Rear Canopy Rear canopy Rudder pedal cable guides Front/rear canopy Trim indicator Trim control rod Aerotow hang up Seat harness Rudder pedal adjust Ballast weights fouls controls below floor - clip as necessary cut extra clearance if necessary failures inspect for wear loose nylon tube inoperative, incorrectly aligned nuts Frames broken at jettison failure point Failed to detach after opening in flight Nylon tube inserts, glue into place Lock interlock ineffective Wire found broken under seat pan Found bent Hole worn forward of nose release allowing tow ring to be inserted Crotch strap found fitted to location guide Knob detached from cable Came loose in flight ASW-22 & 22B ASW 22 In Service Reports (Advisory) Flap lever failed to lock inspect system (weak spring?) Page 3 BGA Compendium 04/15 TNS 1/2013 10/83 12/84 12/87 10/93 04/92 02/94 5-2006 1-2007 1-2007, 5-2008, 1-2009 4-2010 4-2010 3-2011 1-2012 5-2013 1-2014 10/98 Schleicher (Germany) Composite Structure Aircraft Status Subject ASK-23 & 23B Detail ASK 23 In Service Reports (Advisory) Trim spring Rudder travel restricted Air brake lever fractures failures by loose nylon tubes at weld at pilots handle ASW-24 Reference information ASW 24 In Service Reports (Advisory) Undercarriage support structure reinforce Fuselage drainage (ballast leaks) introduce Flying controls Aileron hinges dis-bonded from wing ASH-25 ASH 25E & ASH 25 M ASH 25 series In Service Reports (Advisory) Flying controls Fuel Flap control found bent whilst inspection for AD 2008-0059 Debris found in fuel tank from manufacture ASH-26 ASH 26 E ASW-27 Page 4 BGA Compendium 04/15 TNS 04/87 08/88 12/91 02/90 02/90 04/01 2-2012 Schleicher (Germany) Composite Structure Aircraft Status Subject Detail ASW 27 In-Service Reports (Advisory) Controls Corroded control column Reference information ASW 28 None ASW 28E ASW 28E In-Service Reports (Advisory) Fuel Pump Pylons Support bracket cracked, new composite bracket available Several reported cracks. BGA recommends not using engine until new pylon fitted or issue resolved TNS 6-2013 6-2013 4-2014 Page 5 BGA Compendium 04/15