Service Bulletin SB-12-06-22-1 Rev C
Vashon Aircraft Ranger R7 · Service Bulletins
Overview
This service bulletin addresses the issue of fatigue cracks in the engine mount lug welds of the Vashon Aircraft Ranger R7. It outlines the required inspections and actions to ensure the safety and integrity of the aircraft's engine mount.
- Subject: Engine Mount Fatigue Cracks
- Effective for all Ranger R7 aircraft with serial numbers less than 10203
- Mandatory inspection of engine mount weldment for cracks before further flight
- Inspection intervals: every 10 hours, then every 25 hours after initial inspections
- Replacement of engine mount requires A&P certification
- Contact Vashon Aircraft Support if cracks are found
- Appendices include inspection and replacement procedures
Document
Source
Originally published by vashonaircraft.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type ·
- Service Bulletins
- Year ·
- 2022
- File size ·
- 1.8 MB
- Publisher ·
- vashonaircraft.com
- Language ·
- en
What is the Service Bulletin SB-12-06-22-1 Rev C?
The Service Bulletin SB-12-06-22-1 Rev C is a service bulletins for the Vashon Aircraft Ranger R7, dated 2022.
Where does the Service Bulletin SB-12-06-22-1 Rev C come from?
This copy of the Service Bulletin SB-12-06-22-1 Rev C was originally published by vashonaircraft.com and is hosted on Sprinkle as a free, searchable reference copy.
What year was the Service Bulletin SB-12-06-22-1 Rev C published?
The Service Bulletin SB-12-06-22-1 Rev C — the Vashon Aircraft Ranger R7 service bulletins on file — is dated 2022.
Most owners only have the POH. Here's the essential set for the Vashon Aircraft Ranger R7.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins on file
- Type Certificate (TCDS)
More Vashon Aircraft Ranger R7manuals & documents
- VASHON AIRCRAFT RANGER R7 MAINTENANCE MANUAL-REV 3Maintenance Manual
- SERVICE BULLETIN - Vashon AircraftService Bulletins
- Vashon Aircraft Ranger R7 Pilot Operating HandbookPilot's Operating Handbook
- SERVICE BULLETIN - Vashon AircraftService Bulletins
- ABBREVIATED CHECKLISTChecklist
- Vashon Aircraft Ranger R7 Pilot Operating HandbookV Speeds Reference
- SERVICE BULLETIN - Vashon AircraftService Bulletins
- ABBREVIATED CHECKLISTChecklist
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In this document
Reason
Fatigue cracks have been reported on the engine mount lug welds due to insufficient weld fillets.
Required Action
Inspect the engine mounting weldment for cracks.
Time of Compliance
Mandatory before further flight; specific inspection intervals are provided.
Method of Compliance
Inspect weldment as shown in Appendix A; replacement procedures are in Appendix B.
Type of Maintenance
Low for inspection; high if replacement is required.
Minimum Level of Certification
Owner for inspection; A&P if replacement is required.
Safety notes
- DO NOT continue to fly if any cracks are present.
- Contact Vashon Aircraft Support for corrective action if cracks are found.
Full document text
Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 1 of 25 SB-12-06-22-1 Rev C DATE RELEASED 12-06-22 DATE EFFECTIVE 12-06-22 SUBJECT Engine Mount Fatigue Cracks EFFECTIVITY MODEL- Ranger R7 SERIAL NO: ALL AIRCRAFT WITH SERIAL NUMBER LESS THAN 10203 REASON Fatigue cracks have been reported on the engine mount lug welds caused by insufficient weld fillets. This issue has been traced back to batch of aircraft with serial number identified above. REQUIRED ACTION Inspect the engine mounting weldment for cracks. TYPE OF MAINTENANCE Low for inspection. High if replacement required. MINIMUM LEVEL OF CERTIFICATION Owner for inspection. A&P if replacement is required. TIME OF COMPLIANCE Mandatory before further flight. If no cracks are present the following intervals are valid: • Inspect at interval of 10hrs flight time since service bulletin effectivity. • After two 10hrs inspection (20hrs total), inspect every 25hrs of flight time. • Once two 25hrs inspections (total 70hrs) have been conducted, the inspection interval can be same as annual maintenance period (every 100hrs). If the engine mount has been replaced in accordance with Appendix B of this Service Bulletin the inspection period can be terminated. METHOD OF COMPLIANCE Inspect weldment as shown in Appendix A. If any cracks are present, DO NOT continue to fly – Contact Vashon Aircraft Support for corrective action. Once parts have been obtained from Vashon Aircraft the engine mount can be replaced in accordance with Appendix B of this Service Bulletin. This will require the work of an A&P with a properly equipped shop. Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 2 of 25 Appendix A: Inspection Of Engine Mount Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 3 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 4 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 5 of 25 THIS PAGE INTENTIONALLY LEFT BLANK Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 6 of 25 Appendix B: Replacement Of Engine Mount Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 7 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 8 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 9 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 10 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 11 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 12 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 13 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 14 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 15 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 16 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 17 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 18 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 19 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 20 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 21 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 22 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 23 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 24 of 25 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-12-06-22-1 REV C SUPPORT@VASHONAIRCRAFT.COM Page 25 of 25