Service Bulletin ZE-2008-01
ZENAIR CH-601 Zodiac XL · Service Bulletins
Overview
This service bulletin (S.B. Number: ZE-2008-01) addresses the verification and adjustment of control cable tensions for the Zenair CH-601 Zodiac XL aircraft. It aims to prevent flutter of control surfaces by ensuring proper cable tension and inspecting for any deformations or issues.
- Issued on October 28, 2008.
- Applies to all Zenair Zodiac CH 601XL models.
- Mandatory compliance before the next flight and every 50 hours thereafter.
- Rudder cable tension should be 22 lbs +/- 5 lbs.
- Aileron cable tension should be 30 lbs +/- 5 lbs.
- Elevator cable tension should be 40 lbs +/- 5 lbs.
- Inspect ailerons and rear spar attachment area for deformation.
- Compliance must be recorded in the Aircraft Log Book.
Document
Source
Originally published by zenairulm.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type ·
- Service Bulletins
- Year ·
- 2008
- File size ·
- 21 KB
- Publisher ·
- zenairulm.com
- Language ·
- en
Specifications & performance
Extracted from this document.
Specifications
- Rudder cable tension (lb) ·
- 22 +/- 5
- Aileron cable tension (lb) ·
- 30 +/- 5
- Elevator cable tension (lb) ·
- 40 +/- 5
What is the Service Bulletin ZE-2008-01?
The Service Bulletin ZE-2008-01 is a service bulletins for the ZENAIR CH-601 Zodiac XL, dated 2008.
Where does the Service Bulletin ZE-2008-01 come from?
This copy of the Service Bulletin ZE-2008-01 was originally published by zenairulm.com and is hosted on Sprinkle as a free, searchable reference copy.
What year was the Service Bulletin ZE-2008-01 published?
The Service Bulletin ZE-2008-01 — the ZENAIR CH-601 Zodiac XL service bulletins on file — is dated 2008.
Most owners only have the POH. Here's the essential set for the ZENAIR CH-601 Zodiac XL.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins on file
- Type Certificate (TCDS)
More ZENAIR CH-601 Zodiac XLmanuals & documents
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In this document
Purpose
Loose control cables can lead to flutter of control surfaces, which has been reported in the Zodiac CH 601 XL. This directive aims to eliminate the possibility of flutter when flown within design parameters.
Directed Action(s)
Inspect and adjust control cable tensions, check ailerons for deformation, and inspect the rear spar attachment area.
Compliance
Compliance with this directive is mandatory before the next flight and every 50 hours thereafter.
Remarks
Compliance must be recorded in the Aircraft Log Book and integrated into the aircraft’s Maintenance Schedule.
References
Includes a designer’s letter from summer 2008 and an AMD Service Letter for Zodiac XL.
Contact Information
Inquiries can be directed to Zenair Sarl in France via phone or email.
Safety notes
- Loose control cables can lead to flutter.
- Inspect ailerons for deformation and contact Zenair if found.
- Inspect rear spar attachment area for deformation or loose rivets.
- Compliance must be recorded in the Aircraft Log Book.
- Integrate requirements into the aircraft’s Maintenance Schedule.
Full document text
Page 1 of 1 S.B. Number: ZE-2008-01 Date of issue: October 28, 2008 Subject: Verification and adjustment of control cables for adequate tension. Affected Models: All Zenair Zodiac CH 601XL (ULM and Homebuilt Models) Serial Number(s) All Manufactured by: Czech Aircraft Works (CZAW) and others. Purpose: Under certain conditions, loose control cables can lead to flutter of control surfaces in some types of aircraft; Flutter has been experienced in the Zodiac CH 601 XL aircraft as reported by two pilots. The actions outlined in this directive are to eliminate the possibility of flutter in this aircraft design when the aircraft is flown within its design parameters. Directed Action(s): a) Inspect all control cables and adjust as necessary so that they are within the following parameters: Rudder cable tension should be 22 lbs +/- 5 lbs Aileron cable tension should be 30 lbs +/- 5 lbs Elevator cable tension should be 40 lbs +/- 5 lbs b) Inspect both ailerons for any type of deformation of the skins at the piano hinge and root rib area. Contact Zenair immediately if anything unusual is found. c) Inspect the rear spar attachment area at the wing root. Look for deformation, loose rivets, etc. and contact Zenair immediately if anything unusual is found. Effective date: Immediately. Compliance: Mandatory. Before the next flight and every 50 hours thereafter. References: • Designer’s letter of summer 2008 posted on Zenair News; • AMD Service Letter for Zodiac XL S-LSA – August 11, 2008 Remarks: - Compliance with this directive must be recorded in the proper Aircraft Log Book(s) of certificated aircraft. - Where applicable, the requirements of this directive must be integrated into the aircraft’s Maintenance Schedule. - This manufacturer’s directive was originally issued as an Airworthiness Directive (AD); it has been re-issued as a Service Bulletin (SB) in recognition of standard industry conventions. Address inquiries concerning this Service Bulletin to: Zenair Sarl Z.I. No.2 Aérodrome de Valenciennes 59121 Prouvy, France Tel: 0033-(0)6-89-26-27-98 e-mail: Europe@zenair.com Zenair Europe Service Bulletin This Bulletin is issued by Zenair SARL (Europe) on behalf of Zenair Ltd, owner of CH type certificates.