Notification of Suspected Unauthorised Overhaul / Repair of Fixed-Pitch Propellers and/or Blades
- Published
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Owners, operators, and maintenance organizations should review maintenance records of Hoffmann fixed-pitch propellers and blades to identify any unauthorized overhaul or repair. Any propeller or blade found to have been serviced by an unauthorized organization must be considered unapproved and removed from service until restored to an airworthy condition. For restoration instructions, contact Hoffmann Propeller GmbH directly. No mandatory deadlines are specified.
Summary
EASA Safety Information Bulletin 2013-09 is a notification regarding suspected unauthorized overhaul or repair of Hoffmann fixed-pitch propellers and blades. These propellers are commonly installed on powered sailplanes and small aeroplanes certificated under CS22, CS23, CS-VLA, or CS-LSA. The bulletin alerts operators and maintenance organizations about potential safety risks from repairs performed without Hoffmann's authorization or approved procedures.
What changed
This bulletin introduces a safety notification about unauthorized maintenance activities on Hoffmann fixed-pitch propellers. It does not impose mandatory regulatory actions but highlights the issue and recommends voluntary measures to ensure propeller airworthiness. No Airworthiness Directive action is currently warranted based on this information.
Why it matters
This information is important for aviation professionals because unauthorized repairs can compromise propeller safety and aircraft operation. Operators, maintenance organizations, and compliance teams need to verify maintenance records to prevent installation of unapproved propellers or blades. Addressing this issue proactively helps maintain airworthiness and operational safety.
Get the next one by email
New ADs and bulletins for your aircraft, summarized like this page, every Monday.