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Aging/Contamination Task Group Status Discussed Contamination Survey Results

This task group status report discusses the contamination survey results, age of airplanes, and plans for testing contamination levels. It also outlines the priority of contamination types and future considerations, such as insecticides and disinfectants. The report emphasizes the need for specific data collection, testing plans, and collaboration with OEMs and airlines for effective contamination control in aircraft maintenance.

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Aging/Contamination Task Group Status Discussed Contamination Survey Results

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  1. Aging/Contamination Task Group Status • Discussed Contamination Survey Results • Age of Airplane? Original intent was general survey to validate types of contamination to implement some controlled tested. • Results are believed to align with Aging Wiring task group results. Will contact Aging Wiring group for data samples will be and photos of in-service locations of areas that accumulate dust/lint. Determine if testing was done with various levels of dust/lint/contamination. • Revise survey form to be specific about locations. Consider a web-based survey form. Align this survey with request for general in-service blanket samples across the fleet. These blankets will define the as-is condition of blankets; contamination level, thermal/analytical testing, and flammability properties. Results will be compared to lab tests on various levels of contamination types.

  2. Aging/Contamination Task Group Status • Contamination Survey Results (continued) • Generally agreed with the priority of contamination types; dust/lint, CIC's, and fluids. CIC's will be easiest to start some controlled tests on different products. Boeing & Airbus will define the list of CIC's and that have been used and define a proposed test plan to run some tests. Airlines will define what CIC products that have used. • Dick Hill discussed some specific incidents that had very specific fire fuel sources; isopropyl alcohol, etc… illustrating that fluids and the processes used by airlines will be difficult to define common items. • Airlines will initially identify the common cleaning solvents that are used during maintenance.

  3. Aging/Contamination Task Group Status • Contamination Survey Results (continued) • In the future need to look at other types of “contamination” such as insecticides and disinfectants (SARs). • “Quickest Completed Action Item Award” • Before the working meeting was over! Peter Short, BAB

  4. Aging/Contamination Task Group Status • Discussed In-service Blanket Sample Collection • Agreed to have OEMs define very specific locations, Airlines identify heavy maintenance schedules 2 – 3 months in the future, so replacements blankets can be fabricated. • Breif Discussion on next material/part types to evaluate • from an aging/contamination effect. • Align with Hidden Materials task group. • Determine if a “data driven” approach can be used by reviewing in-service events and fire event participators.

  5. Aging/Contamination Task Group Status • Aging: • Aging of PET films; review data with Evan Chu (Lamart) • for discussion with Eli Peirce. • Film Production and Usage Timeline

  6. Aging/Contamination Task Group Thermal Acoustic Insulation Film Production & Usage on Commercial Aircraft 1.8 1.3 EXAMPLE: Material Suppliers and OEMs to Update Production Dates Areal Weight (oz/sq yds) In-Service Samples 1.0 MPVF Polyimide 0.5 PET 1978 1983 1988 1993 1998 2003 Production Year

  7. Aging/Contamination Task Group • Next Meeting: • Proposed Task Group working meeting Tuesday afternoon at Summer meeting.

  8. Aging/Contamination Task Group Airline Contamination Survey Results: • Airline Forms Returned To Boeing = 65 • Airline Participation = 35 • Aircraft Locations: • Contamination Types: • Contamination Levels:

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