# Aviation Partners Service Bulletin SBF9-17-001 Copy: Revision B ("SBF9-17-001 Rev B"), 8 pages: PDF https://openairdocs.org/files/sha256/ef/3b/ef3be4cdeeef90f33bffb3185ff38c791376dcecf2df0730a6488cb7d12482df; text https://openairdocs.org/service-documents/aviation-partners/sbf9-17-001/file/ef3be4cdeeef.md. Rights: © Aviation Partners. Filed by the FAA in regulations.gov docket FAA-2018-0760; AD 2018-24-02 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication. ## Details - Manufacturer: [Aviation Partners](https://openairdocs.org/service-documents/aviation-partners.md) - Type: Service bulletin (Service Bulletin) - Number: SBF9-17-001 - Latest revision known: SBF9-17-001, Revision B, dated December 20, 2017 (OpenAirDocs) - Page: https://openairdocs.org/service-documents/aviation-partners/sbf9-17-001 ## ADs that cite it (1) (OpenAirDocs) Newest first, with the revision each names, as OpenAirDocs read it from the AD's text. - [AD 2018-24-02](https://openairdocs.org/ad/2018-24-02.md), effective Jan 2, 2019: Revisions A and B Also cited in [1 proposed AD](https://openairdocs.org/service-documents/aviation-partners/sbf9-17-001/proposed.md). ## Text (8 pages) Rights: © Aviation Partners. Filed by the FAA in regulations.gov docket FAA-2018-0760; AD 2018-24-02 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication. 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) Aviation Partners, Inc. FALCON SERVICE BULLETIN Service Bulletin #: SBF9-17-001 Title: Metal Aileron Strap Inspection Date: Dec 20, 2017 Revision: B EFFECTIVITY Falcon 900, Falcon 900EX, & Falcon 900EX EASy Aircraft, equipped with Aviation Partners Inc. Winglet STC # ST02188SE. Falcon 50 and Falcon 50EX Aircraft equipped with Aviation Partners Inc. Winglet STC # ST02241SE. The Service Bulletin is only applicable for these F900 or F50 aircraft when modified to STC# ST02188SE (for F900) or ST02241SE (for F50), and equipped with metal ailerons with external reinforcing straps. This SB (service bulletin) is not applicable to aircraft with composite ailerons. DESCRIPTION The installation of blended winglets on the Dassault Falcon 900 aircraft includes the installation of thin external steel spanwise straps to the upper and lower surfaces of the ailerons. These straps are mechanically fastened to the aileron skins and substructure. This Service Bulletin provides instructions to visually inspect the external upper and lower straps on the LH (left hand) and RH (right hand) ailerons for any signs of cracking. Prepared by: DIVES 12-20-2017 D. Ives AVIATION PARTNERS, INC. 7299 PERIMETER ROAD SOUTH / SEATTLE, WA 98108 (206) 762-1171 / FAX (206) 762-1158 SBF9-17-001 Rev B Page 1 of 8 ### Page 2 (OCR) Aviation Partners, Inc. FALCON SERVICE BULLETIN 1. PLANNING INFORMATION 1A. Effectivity Aircraft affected are those with ailerons modified before April 1, 2017. The aileron date of modification is marked on the "date" field of the aileron nameplate mounted on the aileron inboard rib web, as shown in figure 1. The date on the OEM aileron nameplate is not applicable to this service bulletin. UP (OEM AILERON NAMEPLATE) NAMEPLATE ON AILERON • FWD MODIFIED WITH STRAPS Figure 1 Aileron Nameplate Location AVIATION PARTNERS, INC. 7299 PERIMETER ROAD SOUTH / SEATTLE, WA 98108 (206) 762-1171 / FAX (206) 762-1158 SBF9-17-001 Rev B Page 2 of 8 ### Page 3 (OCR) Aviation Partners, Inc. FALCON SERVICE BULLETIN 1B. Reason This Service Bulletin is provided to ensure the straps remain capable of supporting their design loading. One incident of cracking has been found to date fleetwide on an upper strap and on a lower strap. 1C. Concurrent Requirements None. 1D. Compliance Compliance is mandatory. The initial inspection shall be accomplished within 400 flight hours or 8 months from the date of this SB (service bulletin), whichever occurs first. The recurrent inspection requirements of section five are also mandatory. 1E. Approval The design data in this Service Bulletin is FAA approved 1F. Man-Hours Required Per Aircraft Approximately 1.0 man-hours are necessary to do this inspection for each airplane. Task # Persons Man-Hours Elapsed Time (Hrs) (Hrs) Inspect LH Aileron Upper strap 1 .25 .25 Inspect LH Aileron Lower strap .25 .25 Inspect RH Aileron Upper strap 1 .25 .25 Inspect RH Aileron Lower strap 1 .25 .25 Total 1 1.0 1.0 1G. Weight and Balance Changes No change. AVIATION PARTNERS, INC. 7299 PERIMETER ROAD SOUTH / SEATTLE, WA 98108 (206) 762-1171 / FAX (206) 762-1158 SBF9-17-001 Rev B Page 3 of 8 ### Page 4 (OCR) Aviation Partners, Inc. FALCON SERVICE BULLETIN 1H. Electrical Load Data No change. 1J. References 1. API (Aviation Partners, Inc.) Drawing F90-0080 Metal Aileron Modification. 2. API Service Bulletin SBF9-17-002 Rev A -- Metal Aileron Strap Replacement. AVIATION PARTNERS, INC. 7299 PERIMETER ROAD SOUTH / SEATTLE, WA 98108 (206) 762-1171 / FAX (206) 762-1158 SBF9-17-001 Rev B Page 4 of 8 ### Page 5 (OCR) Aviation Partners, Inc. FALCON SERVICE BULLETIN 2. MATERIAL INFORMATION 2A. Material Price and Availability n/a 2B. Parts Necessary for Each Airplane None 2C. Special Tooling - Pricing and Availability No special tooling is necessary. 2D. Tooling and Materials Necessary to Complete this Service Bulletin None AVIATION PARTNERS, INC. 7299 PERIMETER ROAD SOUTH / SEATTLE, WA 98108 (206) 762-1171 / FAX (206) 762-1158 SBF9-17-001 Rev B Page 5 of 8 ### Page 6 (OCR) Aviation Partners, Inc. FALCON SERVICE BULLETIN 3. ACCOMPLISHMENT INSTRUCTIONS 3A. Inspection For each of the upper and lower straps on the RH and LH ailerons, perform a detailed visual inspection of the full area of the strap, looking for any sign of cracking, including paint cracking, bulging, blistering, discoloration, or other anomalies. If any surface anomalies are found, the paint shall be locally removed to allow inspection of the strap. If any signs of cracking are found, replace strap in accordance with API service bulletin SBF9-17-002 Rev A (reference 1J2) or later FAA approved revision, and notify API using contact information listed in step 4. If cracking is found, continued flight is prohibited until the strap replacement is accomplished. If no signs of cracking are found, periodic re-inspection is required per step 5. 3B. Maintenance Records After the implementation of this SB, make the following entry into the aircraft's maintenance records: "Aviation Partners, Inc. Service Bulletin Number SBF9-17-001 completed on (date) by (name of individual / company)." AVIATION PARTNERS, INC. 7299 PERIMETER ROAD SOUTH / SEATTLE, WA 98108 (206) 762-1171 / FAX (206) 762-1158 SBF9-17-001 Rev B Page 6 of 8 ### Page 7 (OCR) Aviation Partners, Inc. FALCON SERVICE BULLETIN 4 REPORTING Report accomplishment of this SB to Aviation Partners. Contact Mike Williams at 206-658-1537, mwilliams@winglets.com. 5 CONTINUING ACTIVITY At each A Inspection (earlier of 400 flight hours or 8 months), re-inspect each aileron strap per item 3 above. AVIATION PARTNERS, INC. 7299 PERIMETER ROAD SOUTH / SEATTLE, WA 98108 (206) 762-1171 / FAX (206) 762-1158 SBF9-17-001 Rev B Page 7 of 8 ### Page 8 (OCR) Aviation Partners, Inc. FALCON SERVICE BULLETIN Upper Strap Figure 2. LH Aileron Assy - Upper Strap , Lower Strap Figure 3. LH Aileron Assy - Lower Strap AVIATION PARTNERS, INC. 7299 PERIMETER ROAD SOUTH / SEATTLE, WA 98108 (206) 762-1171 / FAX (206) 762-1158 SBF9-17-001 Rev B Page 8 of 8 --- 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.