EASA SIB 2010-35
M7 Aerospace (Fairchild/Swearingen) SA226 and SA227 aeroplanes — Wing Skin Cracking
Summary
EASA Safety Information Bulletin 2010-35 addresses wing skin cracking issues on M7 Aerospace (formerly Fairchild/Swwearingen) SA226 and SA227 aeroplanes. The bulletin informs operators about detected cracks in the upper leading edge skin and doubler at Wing Station 81. It aims to raise awareness among European operators regarding this structural concern.
What Changed
This bulletin introduces a safety advisory based on findings from CASA Australia regarding wing skin cracking on all models and serial numbers of SA226 and SA227 aircraft. It recommends visual inspections of the affected wing area and contacting M7 Aerospace for approved repair instructions if cracks are found. The bulletin does not mandate actions but provides guidance to ensure safety.
Why It Matters
Wing skin cracking can compromise the structural integrity of the aircraft, posing safety risks during operation. For aviation professionals, timely identification and repair of such cracks are critical to maintaining airworthiness and preventing potential in-flight failures. This information helps operators and maintenance teams prioritize inspections and coordinate with the type certificate holder for proper repairs.
What To Do
Owners and operators should visually inspect the upper leading edge skin and doubler at Wing Station 81 for cracks. If any cracks are detected, they must contact M7 Aerospace for approved repair instructions. Additionally, findings should be reported to the FAA's Fort Worth Airplane Certification Office as recommended. No specific compliance deadline is stated.
AI-generated summary from official EASA source document. Always verify against the original.