Inspection of Rotor head
AUTOGYRO GMBH CAVALON · Service Bulletins
Overview
This service bulletin from AutoGyro GmbH addresses the inspection requirements for the rotor head of Cavalon and Calidus aircraft equipped with Rotor head III. It emphasizes the need for thorough pre-flight inspections to identify potential weld cracks in the rotor head assembly.
- Inspection of rotor head welds is mandatory.
- Applicable to all Cavalon and Calidus with Rotor head III.
- Failure to comply may significantly reduce flight safety.
- Inspection should be part of the pre-flight check.
- Replacement parts are covered by AutoGyro.
- Standard tools are required for inspection.
- No manpower estimate for inspection; replacement may take 1 hour.
- Old parts must be returned to AutoGyro.
Document
Source
Originally published by auto-gyro.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type ·
- Service Bulletins
- Year ·
- 2022
- File size ·
- 733 KB
- Publisher ·
- auto-gyro.com
- Language ·
- en
What is the Inspection of Rotor head?
The Inspection of Rotor head is a service bulletins for the AUTOGYRO GMBH CAVALON, dated 2022.
Where does the Inspection of Rotor head come from?
This copy of the Inspection of Rotor head was originally published by auto-gyro.com and is hosted on Sprinkle as a free, searchable reference copy.
What year was the Inspection of Rotor head published?
The Inspection of Rotor head — the AUTOGYRO GMBH CAVALON service bulletins on file — is dated 2022.
Most owners only have the POH. Here's the essential set for the AUTOGYRO GMBH CAVALON.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins on file
- Type Certificate (TCDS)
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In this document
Compliance Category
The compliance categories are A (Mandatory), B (Recommended), and C (Optional), with A indicating significant safety risks if not followed.
Reason and Overview
The bulletin highlights the need for effective inspections of the weld joining the rotor head side plate to the roll link bracket due to potential weld cracks.
Accomplishment Instructions
All work must follow the latest AutoGyro Aircraft Manual, focusing on the welded connection during pre-flight inspections.
Parts Information
Replacement parts include specific part numbers for the rotor head bridge roll linkage for Cavalon and Calidus models.
Inspection Procedure
The inspection area is easily visually inspectable and should be checked during pre-flight checks.
Customer Support
For questions, customers can contact AutoGyro's support via email.
Safety notes
- Failure to comply with the bulletin may result in significant safety risks.
- Inspect the welded connection thoroughly during pre-flight checks.
- If a crack is found, replace the part according to maintenance procedures.
Full document text
Service Bulletin Contact & Info: airworthiness@auto-gyro.com www.auto-gyro.com AutoGyro GmbH Dornierstr. 14 31137 Hildesheim AG-SB-2022-09-B-ENR2 Page 1 of 6 Title: Inspection of Rotor head AG-SB-2022-09-B-ENR2 Effective Date: 07.10.2022 Compliance Category: A - MANDATORY B – RECOMMENDED C - OPTIONAL Applicability Aircraft type & model: All Cavalon and Calidus with Rotor head III Affected Serial number(s): All Cavalon and Calidus with Rotor head III The maintenance manual to be referenced is this stated or subsequent issue. As per AutoGyro website This form is the response from AutoGyro GmbH either against a problem found in the product in service requiring a containment or rectification action, or as service information for aircraft modification incorporation. For help, contact airworthiness@auto-gyro.com. Documentation (Service Bulletin Completion action) The accomplishment of this Service Bulletin, or the decision of its rejection, must be properly documented, if such procedure is required by the relevant authority Category Codes A – Mandatory – failure to comply result in a significant reduction of flight safety, injury or death B – Recommended – failure to comply may result in reduced safety margin, injury and/or equipment damage C - Optional – improves operating behavior, reliability and/or maintainability Chief Certification Officer Chief Technical Officer Service Bulletin Contact & Info: airworthiness@auto-gyro.com www.auto-gyro.com AutoGyro GmbH Dornierstr. 14 31137 Hildesheim AG-SB-2022-09-B-ENR2 Page 2 of 6 Reason and overview of the Service Bulletin (cause of problem if known) The purpose of this SB is to highlight the need for effective pre-flight and service inspection of the weld that joins the rotor head side plate to the roll link bracket. Reason; a small number of 1st generation Rotorhead III Rotor head bridge roll linkage assemblies were found during service inspection to have a weld crack. The inspection in this area is considered to be part of the pre-flight inspection, and the area is easily visually inspectable. This SB re-iterates the inspection procedure, which applies to all AutoGyro Cavalon and Calidus Rotorhead III assemblies. This Revision 2 adds information regarding the parts cost and updated the estimated time for the rework. Manpower estimates There is no manpower estimate for an associated with the inspection of the rotor head. The inspection is encompassed within the pre-flight check, and the normal maintenance requirements. The man power estimate should a replacement of the bracket be necessary is 1.0 hours Compliance This Service Bulletin must be complied with at the next pre-flight inspection. Customer Support Can be contacted for questions. The costs of the spare part will be covered by AutoGyro. Old part has to be send back to AutoGyro. The service bulletin reference AG-SB-2022-09-B-EN, gyro serial number and engine serial number is to be quoted on all parts orders related to this SB. Tooling required Standard tools Weight and Balance Effects Nil Manuals affected POH & AMM AutoGyro is not affected Service Bulletin Contact & Info: airworthiness@auto-gyro.com www.auto-gyro.com AutoGyro GmbH Dornierstr. 14 31137 Hildesheim AG-SB-2022-09-B-ENR2 Page 3 of 6 Previous Modifications that affect the SB None Accomplishment instructions (Action required to implement this bulletin): All work is to be carried out in accordance with the latest model-relevant AutoGyro Aircraft Manual. Pre-flight inspection requires a thorough review of the rotorhead. Pilot/operators are reminded that this includes the welded connection between the side plates and roll link bracket shown below. This area is open for easy inspection. If a crack is found, the part is to be replaced in accordance with normal maintenance procedures. Rotorhead III The ringed area indicates the installed bridge linkage Service Bulletin Contact & Info: airworthiness@auto-gyro.com www.auto-gyro.com AutoGyro GmbH Dornierstr. 14 31137 Hildesheim AG-SB-2022-09-B-ENR2 Page 4 of 6 External weld with crack: This area is readily inspected during pre-flight inspection Rotorhead III bridge linkage, welded, PN 43689 Inspect this area, both sides of the bracket. Service Bulletin Contact & Info: airworthiness@auto-gyro.com www.auto-gyro.com AutoGyro GmbH Dornierstr. 14 31137 Hildesheim AG-SB-2022-09-B-ENR2 Page 5 of 6 Information: There are two generations of the Rotorhead III Rotor head bridge roll linkage assemblies. The second generation is welded on the inside upper end of the bracket, see photo, and was released in 2019. Only this later generation is available, and is fully interchangeable with the earlier version. Note: these assemblies are stamped with the size (21.5 and 22.5). If replacing, ensure that the correct size is fitted! Any life-limit changes must be recorded within the aircraft documentation, in line with the requirements of the country of operation. Unaffected Material information (Parts required to be made to implement this service bulletin): Unaffected List of components (with purchasable part numbers) Replacement parts if required 45966, Rotor head bridge roll linkage 22,5 welded (Cavalon) 43689, Rotor head bridge roll linkage 21,5 welded (Calidus) Interchangeability Not affected Service Bulletin Contact & Info: airworthiness@auto-gyro.com www.auto-gyro.com AutoGyro GmbH Dornierstr. 14 31137 Hildesheim AG-SB-2022-09-B-ENR2 Page 6 of 6 Parts disposition a) Disposal requirements – b) Environmental hazards of parts containing hazardous materials – c) Scrap requirements (e.g. mutilate scrapped items beyond use) –