SB-GA8-2015-126 - Mahindra Aerospace
Contents
1. wD A Mahindra Aerospace Company SB GA8 201 5 1 26 GIPPSAERO Issue 1 PO Box 881 Morwell Victoria 3840 Australia MANDATORY Ph 61 0 3 5172 1200 Fax 61 0 3 5172 1201 www gippsaero com Service Bulletin Subject Inspection of the Crankcase Breather Tube Applicability All GA8 amp GA8 TC 320 aircraft up to and including serial number GA8 TC 320 15 212 Amendments Issue 1 Initial issue Ref GAE11 1578 Background An instance of Crankcase Breather Tube blockage due to icing has occurred during cold weather operations All GA8 and GA8 TC aircraft require an inspection of the breather tube to ensure the bypass hole has been included at manufacture This Service Bulletin instructs the operators where to look for the bypass hole relief aperture and make sure it has been included at manufacture and is unobstructed This Service Bulletin also addresses where and how a bypass hole should be included if required Compliance The requirements of this Service Bulletin shall be accomplished before the next flight If an absence of a bypass hole is found then this should be rectified before any further flights Weight and Balance Nil Approval This Service Bulletin has been approved pursuant to Regulation 21 095 of CASR 1998 Parts The following parts are to be inspected to accomplish this Service Bulletin PART No DESCRIPTION GA8 717301 011 GA8 Breather Tube Assembly EBL Zu an Fo Ene blockages and2. 5 Y a e c EI 4 o e 2 o e e o 1 o s folo h o e 0 4 Drill 1 4 Hole Bypass Hole Flute Y Weld between Hot Air Outlet Cea and Breather Tube Oil Breather Tube Assembly P N 717312 011 Figure 2 Area of Bypass Holes Flute SB GA8 2015 126 Date of Issue 10 02 2015 Page 3 of 4 mM ES CO CA GN a EEE ES Figure 4 Hole flute detail Documentation Update aircraft log book to reflect incorporation of this Service Bulletin Continuing Airworthiness During subsequent engine inspections verify that the Crankcase Breather Tube and bypass hole is checked for any blockages All other instructions already specified in the aircraft Service Manual continue to be applicable Future issues of the Service Manual will contain clarified information as contained in this Service Bulletin Compliance Notice Complete the Document Compliance Notice and return to GippsAero by mail fax or email SB GA8 2015 126 Date of Issue 10 02 2015 Page 4 of 4 DOCUMENT COMPLIANCE NOTICE Document A SB GA8 2015 126 A Mahindra Aerospace Company GIPPSAERO Issue 1 Aircraft Serial Number GA8 Service Bulletin SB GA8 2015 126 Issue 1 has been incorporated in the above aircraft Date of Incorporation Signed Print Name Please post fax or email this compliance notice to GippsAero Technical Services P O Box 881 Morwell Vi
3. Bypass Hole GA8 71312 011 GA8 TC 320 Breather Tube EN Inspect for blockages and Bypass Hole pedis Figure 2 Parts Availability New parts can be obtained directly from GippsAero Tel 61 0 3 5172 1200 Fax 61 0 3 5172 1201 Email spares gippsaero com Labour 1 man hour should be allocated for completing the work detailed in this Service Bulletin SB GA8 2015 126 Date of Issue 10 02 2015 Page 1 of 4 Warranty Aircraft under warranty may claim the direct cost of carrying out the requirements of this Service Bulletin via GippsAero Customer Service Tel 61 0 3 5172 1200 Fax 61 0 3 5172 1201 Email warranty gippsaero com Accomplishment Instructions NOTE Ensure the aircraft is prepared for maintenance and that appropriate safety precautions are taken when performing work outlined in this Service Bulletin Unless otherwise specified reference to the GA8 GA8 TC 320 Service Manual as well as FAA AC43 13 1B amp FAA AC43 13 2B should be made when carrying out the procedure prescribed in this Service Bulletin In case of discrepancy between the Service Manual and the AC the Service Manual takes precedence 1 Remove the engine cowls as required in accordance with the applicable Service Manual 2 Identify the installed location of the Crankcase Breather Tube as shown in Figure 1 Perform a visual inspection of the Tube and determine if a bypass hole exists If the bypass hole does exist check to ens
4. ctoria 3840 Australia Fax 61 03 5172 1201 Email techpubs gippsaero com
5. ure that the Breather Tube and bypass hole are clear of obstructions and fill out the compliance note document at the end of this Service Bulletin If no bypass hole exists proceed to Step 3 3 Using a 0 250 diameter drill drill a bypass hole into the Breather Tube approximately 8 33 from the bottom of the tube as indicated in Figure 3 The hole should face forward and be distorted slightly fluted using a 1 4 pry bar refer to Figure 4 to indent the upper portion of the hole inwards and extrude the bottom portion of the hole outwards Deburr hole to finish Remove any tooling Clean all swarf from working area and re assemble engine cowls AF GA8 717301 011 PA GAB Om GA8 717312 011 ge GA8 TC 320 Figure 1 Breather Tube Locations SB GA8 2015 126 Date of Issue 10 02 2015 Page 2 of 4 Looking aft at Firewall GA8 _ a e v 4 Te T v t N A LJ LJ 7 o0 Sa VW o ae e DI c c uus Ee Cr RN lt ny _ A k Drill 1 4 hole Weld between Hot Air Outlet Bypass Hole Flute and Breather Tube Oil Breather Tube Assembly P N 717301 011 Looking aft at Firewall GA8 TC 320 HO eo 6 o e o o o0 Y o e gt E ent e 7 B o ir OR 9 e o lmao 77 a a 4 e a e g s CR Lm E z Oo Bi E L
Download Pdf Manuals
Related Search