# Lindstrand Balloons Service Bulletin 12: Revision 2 - Rights: © Lindstrand Balloons. Filed by the FAA in regulations.gov docket FAA-2012-1134; AD 2013-03-10 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication. - Document: [Lindstrand Balloons Service Bulletin 12](https://openairdocs.org/service-documents/lindstrand/sb-12.md) - Title as filed: U.S. DOT/FAA - Service Bulletin No. 12 - Pages: 7 - PDF: https://openairdocs.org/files/sha256/9f/df/9fdf0481c02f770b6b1dd4400b70aa65f69d4ab7bb45550418a44da47423d5ef - Page: https://openairdocs.org/service-documents/lindstrand/sb-12/file/9fdf0481c02f ## Text This text is OCR from a scan. OCR can misread letters and numbers. Each page's text from the PDF; open the PDF at a page with #page=N. ### Page 1 (OCR) LINDSTRAND HOT AIR BALLOONS LTD SERVICE BULLETIN NO. 12 ISSUE 2 - DATED 10-05-2012 TITLE: Female ACME Thread Hose Connectors (Rego type) Classification: This Service Bulletin is mandatory. Applicability: All connectors supplied between 1-1-11 and 1-09-11 with part numbers HS6139 (3/8" BSPP back nut) and HS6144 (1/4 NPT back nut) Serial Numbers Affected: All burners with serial numbers given below:- BU1248, BU1251, BU1252, BU1256, BU1257, BU1258, BU1260, BU1261, BU1263, BU1264, BU1265, BU1267, BU1268, BU1269, BU1270, BU1271, BU1272, BU1273, BU1276, BU1277, BU1278, BU1280, BU1283; BU1284, BU1285 All manifolds with the serial numbers given below:- 1183, 1184, 1188, 1189, 1190, 1220, 1223, 1224 All re-fuelling hoses with the serial numbers below:- 1195, 1196, 1203, 1204, 1205, 1221, 1222 All female ACME connectors supplied as spares between 01 Jan 2011 and 01 Sept 2011. All connectors supplied with the following EASA Form One numbers:- 0815, 0836, 0837, 0868, 0907, 0908, 0924, 0951 Background: We have had three reported incidents of the female ACME threaded connectors (Rego type) leaking when connected to the cylinder with the cylinder valve turned on. Investigation into the cause of these failures has revealed the possibility that other similar connectors produced between the dates given above may not have been assembled with sufficient tightness. Accomplishment Instructions: Inspection: LBL SB12 Page 1 of 7 ### Page 2 (OCR) Connect the fuel hose to a supply of propane and open the cylinder valve so that the hose is pressurised. If compressed air is available this may be used as well. Disconnect the Female ACME coupling from the cylinder so that the pressure is retained in the hose. Pour leak detector fluid or water with washing up liquid into the female connector and observe for leaks for 1 minute (see photo 1) Photo 1 Coupling showing a leak. If no leak is detected, complete the attached form and note that Service Bulletin No. 12 has been complied with in the aircraft logbook and return the balloon to service. This Service Bulletin may be achieved by the Owner/Operator. Corrective Action: If a leak is detected then follow this procedure to tighten the threaded connection. Tools required are a 22mm open ended spanner (wrench) A 13/16" long socket with an outside diameter of not greater than 27mm (1 and 1/16"), a suitable sized ratchet drive. Hold the back nut with the spanner (wrench) and use the ratchet and long socket to tighten the internal Spigot onto the back nut. (See Photo 2 for identification of parts) The indicative torque required is 30-34 Nm (22- 25lbf ft) LBL SB12 Page 2 of 7 ### Page 3 (OCR) • MI Internal Spigot Nipple Spring Main Body Washer Back Nut Photo 2 Coupling Components Retest the integrity of the coupling by repeating the leak test described above. If a leak is still detected then contact the factory for a replacement connector. Photo 3 Tightening the coupling LBL SB12 Page 3 of 7 ### Page 4 (OCR) Design Organisation Approval Statement of Compliance Verification I hereby confirm that the instructions identified in this Bulletin provide for practical and well defined installation / inspection methods and when accomplished the product is in conformance with approved design data. Signed for and on behalf of Lindstrand Hot Air Balloons Ltd Head of Airworthiness Date: .10-05-2012.. Name:.. Simon Forse Approval Statement I hereby confirm that these instructions are in compliance with all the applicable airworthiness requirements. The technical content of this document is approved under the authority of DOA nr. EASA.21J.175. Signed for and on behalf of Lindstrand Hot Air Balloons Ltd Head of Airworthiness Date: .10-05-2012 Name: ..Simon Forse LBL SB12 Page 4 of 7 ### Page 5 (OCR) LINDSTRAND HOT AIR BALLOONS LTD SERVICE BULLETIN NO. 12 INSPECTION REPORT FORM Owners Name: Equipment Ser. No.: Type of Installation: 1. Burner Ser. No.: 2. Refuelling Hose (Balloon Ser. No.): 3. Manifold (Balloon Ser.No.): Signed: LBL SB12 Page 5 of 7 ### Page 6 (OCR) Appendix 1- Known Locations Equipment Client Country Serial No. BU1248 Goreme Balloons Turkey BU1251 LBUSA USA BU1252 LBUSA USA BU1256 Alois Geudon Germany BU1257 Royal Balloons Turkey BU1258 Dinler Hotels Turkey BU1260 Lowie Vanluffelen Belgium BU1261 LBUSA USA BU1263 LBUSA USA BU1264 Lowie Vanluffelen Belgium BU1265 Tom Abe Japan BU1267 Jacques Bernardin France BU1268 THK Turkey BU1269 Jacques Bernardin France BU1270 Jacques Bernardin France BU1271 Goreme Balloons Turkey BU1272 Jacques Bernardin France BU1273 Jacques Bernardin France BU1276 Jacques Bernardin France BU1277 Rize Up Ballooning Israel BU1278 Upp & Ner Sweden BU1280 Jacques Bernardin France BU1283 LBUSA USA BU1284 Paolo Marmentini Italy BU1285 Alois Geudon Germany 1183 LBUSA USA 1184 LBUSA USA 1188 Uwe Tomschin Germany 1189 Uwe Tomschin Germany 1190 Alois Geudon Germany 1220 LBUSA USA 1223 Jacques Bernardin France 1224 Jacques Bernardin France 1195 Jacques Bernardin France 1196 Jacques Bernardin France 1203 Arkaduisz Iwanski Poland 1204 Jacques Bernardin France 1205 Jacques Bernardin France 1221 Jacques Bernardin France 1222 Jacques Bernardin Pulsat France LBL SB12 Page 6 of 7 ### Page 7 (OCR) EASA Form Client Country One Number 0815 Danny Bertels Ballooning Belgium 0836 Glen Everett UK 0837 Cameron Balloons Ltd UK 0868 P. Kooistra Netherlands 0907 J. Bernardin France 0908 LBUSA USA 0924 Serengeti Balloon Safaris Tanzania 0951 Rize Up Ltd Israel LBL SB12 Page 7 of 7 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.