SERVICE BULLETIN - Vashon Aircraft
VASHON RANGER R7 · Service Bulletins
Overview
This service bulletin addresses the issue of fatigue cracks in the elevator idler assembly of the Vashon Ranger R7 aircraft. It outlines the required inspections and maintenance actions to ensure safety and functionality.
- Subject: Elevator Idler Fatigue Cracks
- Effective date: 01-12-2023
- All Ranger R7 aircraft are affected.
- Inspect bracket and fuselage ribs for cracks.
- Initial inspection within the next 10 hours of flight time.
- Subsequent inspections every 25 hours until 100 hours.
- Corrosion on the idler is noteworthy but not a safety concern.
- Contact Vashon Aircraft Support for corrective action if cracks are found.
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 ·
- 2023
- File size ·
- 369 KB
- Publisher ·
- vashonaircraft.com
- Language ·
- en
What is the SERVICE BULLETIN - Vashon Aircraft?
The SERVICE BULLETIN - Vashon Aircraft is a service bulletins for the VASHON RANGER R7, dated 2023.
Where does the SERVICE BULLETIN - Vashon Aircraft come from?
This copy of the SERVICE BULLETIN - Vashon Aircraft was originally published by vashonaircraft.com and is hosted on Sprinkle as a free, searchable reference copy.
What year was the SERVICE BULLETIN - Vashon Aircraft published?
The SERVICE BULLETIN - Vashon Aircraft — the VASHON RANGER R7 service bulletins on file — is dated 2023.
Most owners only have the POH. Here's the essential set for the VASHON RANGER R7.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins on file
- Type Certificate (TCDS)
More VASHON RANGER R7manuals & documents
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In this document
Reason
Fatigue cracks have been reported due to high loads from the elevator pushrod, potentially leading to failure of the supporting bracketry.
Required Action
Inspect the bracket and fuselage ribs for cracks and assess the condition of the idler assembly.
Type of Maintenance
Low maintenance level, may require a borescope.
Time of Compliance
Inspect within the next 10 hours of flight time, then every 25 hours until 100 hours.
Method of Compliance
Inspect critical flanges as shown in provided figures; contact support if cracks are present.
Labor Required
None at this time.
Safety notes
- Inspect for cracks to prevent potential failure of the elevator control system.
- Corrosion on the idler is not indicative of a safety concern.
Full document text
Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-01-12-23-1 REV A SUPPORT@VASHONAIRCRAFT.COM Page 1 of 5 SB-01-12-23-1 Rev A DATE RELEASED 01-12-2023 DATE EFFECTIVE 01-12-2023 SUBJECT Elevator Idler Fatigue Cracks EFFECTIVITY MODEL- Ranger R7 SERIAL NO: ALL AIRCRAFT REASON Fatigue cracks have been reported in the field on the bracketry supporting the elevator pushrod idler assembly. This is due to high loads from the elevator pushrod fatiguing the bracket through cyclic loading. It is also believed that corrosion of the idler also contributes to this issue. If a crack continues to propagate without proper attention, this could lead to slop in the elevator control system and possibly failure of the supporting bracketry. REQUIRED ACTION Inspect bracket and fuselage ribs for cracks. Also note on condition of idler assembly. TYPE OF MAINTENANCE Low (may require borescope). MINIMUM LEVEL OF CERTIFICATION Owner (may require borescope). TIME OF COMPLIANCE Inspect within the next 10hrs of flight time, then in 25 hr intervals until 100hrs has been reached. After this, inspection interval can default to annual inspections. METHOD OF COMPLIANCE Inspect the critical flanges as shown in Figure 2 and Figure 3. If any cracks are present, contact Vashon Aircraft Support for corrective action until a subsequent bulletin is released. Corrosion on the idler, as shown in figure 4, is noteworthy but not indicative of a safety concern. LABOR REQUIRED: None at this time. Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-01-12-23-1 REV A SUPPORT@VASHONAIRCRAFT.COM Page 2 of 5 Figure 1 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-01-12-23-1 REV A SUPPORT@VASHONAIRCRAFT.COM Page 3 of 5 Figure 2 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-01-12-23-1 REV A SUPPORT@VASHONAIRCRAFT.COM Page 4 of 5 Figure 3 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-01-12-23-1 REV A SUPPORT@VASHONAIRCRAFT.COM Page 5 of 5 Figure 4