Cessna Landing Light, Beacon Light, and Taxi Light switches on Cessna 100, 200, and 300 series aeroplanes.
- Published
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Owners, operators, and maintenance technicians should inspect the affected switches to determine their time-in-service and replace any switches that have been in use for four or more years. These actions should be completed within the next 400 hours of operation, 12 months, or by the next annual inspection, whichever occurs first. Proper documentation of installation dates on switches is also recommended.
Summary
Special Airworthiness Information Bulletin SAIB: CE-09-42 is an FAA information bulletin addressing the mandatory replacement intervals for Landing Light, Beacon Light, and Taxi Light switches on Cessna 100, 200, and 300 series airplanes. The bulletin highlights concerns related to switch failures causing overheating and smoke in the cockpit, referencing Cessna service bulletins MEB09-3 and SEB09-6. It provides guidance on inspection and replacement intervals to maintain airworthiness.
What changed
SAIB: CE-09-42 introduces recommendations for inspecting the time-in-service of the affected switches and replacing those that have been in service for four or more years. It also requires marking the month and year of installation on new or existing switches. This bulletin does not mandate an airworthiness directive but advises compliance with Cessna service bulletins issued in May 2009.
Why it matters
This bulletin is important for aviation professionals because switch failures in the landing, beacon, and taxi light circuits can lead to overheating, smoke, and even small cockpit fires, posing safety risks. Operators and maintenance personnel need to monitor switch service life to prevent contact erosion and switch failure, ensuring continued safe operation of affected Cessna aircraft.
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