SERVICE BULLETIN - Vashon Aircraft

Vashon Aircraft Ranger R7 · Service Bulletins

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Overview

This service bulletin addresses an issue with fuel line chaffing in the Vashon Aircraft Ranger R7. It outlines the required inspections and corrective actions to prevent fuel leaks that could affect the avionics bay.

Chaffing identified on fuel delivery lines from main tanks to header tank.
Inspection required within the next 10 hours of operation.
Corrective action must be completed by the next annual inspection.
Owner/Pilot can perform inspections and corrective actions.
A&P certification required for fuel line replacement.
Edge grommeting is necessary to prevent future chaffing.
If chaffing is severe, contact Vashon support for replacement fuel lines.
Labor may involve filing down glareshield holes for clearance.

Document

Source

Originally published by vashonaircraft.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.

View original at vashonaircraft.com

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Document details

Type: Service Bulletins
Year: 2025
File size: 454 KB
Publisher: vashonaircraft.com
Language: en

Specifications & performance

Extracted from this document.

Specifications

Model: Ranger R7
Serial no range: SN 10131-10250

About this document

What is the SERVICE BULLETIN - Vashon Aircraft?

The SERVICE BULLETIN - Vashon Aircraft is a service bulletins for the Vashon Aircraft Ranger R7, dated 2025.

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 Aircraft Ranger R7 service bulletins on file — is dated 2025.

Documentation completeness

4/7

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

In this document

Synopsis

Chaffing has been identified on the aluminum fuel delivery line(s) that feed from the main tanks to the header tank, which has resulted in fuel leaks.

Required Action

Inspect both fuel lines in the cockpit where they meet with the glareshield.

Method of Compliance

Remove the black wrap covering the vee brace tubes and inspect the underside of each fuel line for chaffing or fuel residue.

Labor Required

If chaffing is not severe, attach edge grommet to both glareshield holes; if clearance is insufficient, file down the glareshield hole.

Minimum Level of Certification

Owner/Pilot for inspection and corrective action; A&P for fuel line replacement.

Time of Compliance

Inspect within the next 10 hours and apply corrective action by the time of the next annual inspection.

Safety notes

Inspect for chaffing or fuel residue to prevent leaks.
Contact Vashon support if leaks are present or chaffing is severe.
Ensure sufficient clearance when installing edge grommets.

Full document text

Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-09-12-25-1 Rev B SUPPORT@VASHONAIRCRAFT.COM Page 1 of 4 SB-09-12-25-1 Rev B DATE RELEASED: 09-12-25 DATE EFFECTIVE: 09-16-25 SUBJECT: Fuel Line Chaffing EFFECTIVITY: MODEL: Ranger R7 SERIAL NO: SN 10131-10250 SYNOPSIS: Chaffing has been identified on the aluminum fuel delivery line(s) that feed from the main tanks to the header tank, due to the proximity of the glareshield pass-through hole. In one instance, the chaffing resulted in a leak of the fuel line, which caused fuel to drip into the avionics bay. REQUIRED ACTION: Inspect both fuel lines in the cockpit where they meet with the glareshield. TYPE OF MAINTENANCE: Low (inspection) Moderate (corrective action) MINIMUM LEVEL OF CERTIFICATION: Owner / Pilot (inspection) Owner / Pilot (corrective action) A&P (fuel line replacement) TIME OF COMPLIANCE: Inspect within next 10 hours, apply corrective action by time of next annual. METHOD OF COMPLIANCE: Remove the black wrap covering the vee brace tubes and inspect the underside of each fuel line in the cockpit for chaffing or fuel residue. Figure 2 shows an example of the punctured fuel line. If any leaks are present, or chaffing is severe, contact Vashon support for replacement fuel lines. This service bulletin has been complied with when the inspection has been completed, and edge grommeting has been installed. Rev A -INITIAL RELEASE REV B -SERIAL NO. Effectivity Revised -METHOD OF COMPLIANCE updated to show corrective action Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-09-12-25-1 Rev B SUPPORT@VASHONAIRCRAFT.COM Page 2 of 4 LABOR REQUIRED: If chaffing is not severe and leaks are not present, or replacement fuel lines have been installed, attach edge grommet to both glareshield holes, as shown in Figure 3. If there is not enough clearance to do so, the glareshield hole must be filed down until sufficient clearance is reached. A suggested clearance profile is shown in Figure 4, but it is not necessary to replicate it. The suggested grommet (Grommet Edging SL1-0025- ERO201, or similar) can be found here. https://www.aircraftspruce.com/catalog/appages/slseriesgromedge1.php?clickkey=4582 Figure 1 Figure 2 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-09-12-25-1 Rev B SUPPORT@VASHONAIRCRAFT.COM Page 3 of 4 Figure 3 Figure 4 Light Sport Aircraft SERVICE BULLETIN VASHON AIRCRAFT 14929 141st PL NE Woodinville, WA 98072 425.527.9944 SB-09-12-25-1 Rev B SUPPORT@VASHONAIRCRAFT.COM Page 4 of 4

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