Helicopters modified by Air Comm Corp. STC - Air Conditioning System Wiring
- Published
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Owners and operators of the affected helicopters with Air Comm air conditioning STCs installed should review and implement the corrective actions outlined in the corresponding Air Comm Service Bulletins listed in the bulletin. Maintenance personnel should inspect the Molex connectors for signs of poor crimping or damage and address any issues found. There is no mandatory compliance deadline stated, but prompt action is recommended to prevent potential overheating.
Summary
The FAA Special Airworthiness Information Bulletin SAIB: SW-15-20 provides information regarding potential overheating and melting of connectors in the air conditioning wiring of helicopters modified by Air Comm Corporation Supplemental Type Certificates (STCs). Affected helicopter models include Bell Helicopter 206, Bell 407, Bell 427, Agusta A119, Airbus AS350, Airbus EC120, and Airbus EC130. This bulletin alerts operators to possible wiring issues related to Molex connectors installed per Air Comm STCs.
What changed
This bulletin introduces an alert about overheating and melting of air conditioning system wiring connectors installed under Air Comm Corporation STCs on specific helicopter models. It identifies poor crimping during installation as the root cause and provides references to Air Comm Service Bulletins for corrective actions. The bulletin does not mandate regulatory action but serves as a safety advisory.
Why it matters
This information is important for aviation professionals because it highlights a potential safety concern involving electrical connectors that could lead to in-flight or ground hazards such as burning odors or electrical failures. Operators and maintenance personnel need to be aware of this issue to prevent possible damage and ensure continued airworthiness. Compliance teams should monitor and implement recommended service bulletin actions to mitigate risks.
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