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Aging/Contamination Task Group Status March 2, 2004 Daniel Slaton Boeing Commercial Airplanes

This report provides an overview of the aircraft aging and contamination status, including survey results, contamination levels, and next steps for addressing the issue. It also includes information on insulation blanket activities, thermal acoustic insulation film production, and flammability performance.

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Aging/Contamination Task Group Status March 2, 2004 Daniel Slaton Boeing Commercial Airplanes

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  1. Aging/Contamination Task Group Status March 2, 2004 Daniel Slaton Boeing Commercial Airplanes Material & Process Technology

  2. Aging/Contamination Task Group • Contamination: • Airline Contamination Summary • Pop Seniwong, NWA • Sandra Hastings, Boeing • Next Steps • Aging: • Next Steps • Insulation Blanket Activities: • In-service Blanket Collection • Production & Usage Summary

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

  4. Crown None 4% 10% Main Cabin All, General 15% 8% Flight Deck 2% Below Floor Bilge 17% 24% Below Lav 2% Cargo 18% Aging/Contamination Task Group AIRCRAFT LOCATIONS

  5. A319/320/321 1 717 (MD-90) 707 2 1 777 5 MD-80 (DC9) 9 767 6 MD11 1 727 757 2 10 737 747 19 9 Aging/Contamination Task Group AIRCRAFT MODELS

  6. Aging/Contamination Task Group CONTAMINATION LEVEL = LOW NUMBER OF REPORTS = 33

  7. Aging/Contamination Task Group CONTAMINATION LEVEL = MEDIUM NUMBER OF REPORTS = 56

  8. Aging/Contamination Task Group CONTAMINATION LEVEL = HIGH NUMBER OF REPORTS = 15

  9. Aging/Contamination Task Group Contamination Survey – Next Steps • Detailed Data Review • Airbus Data • Continue Survey • Cleaning Approaches & Methods • CIC Usage & Testing • Formulate Task Group Deliverables

  10. Aging/Contamination Task Group Aging Status and Next Steps • Boeing Thermal Cycling • Need Chemistry Experts • Determine other Materials to Evaluate • Formulate Task Group Goals

  11. Aging/Contamination Task Group Insulation Blanket Activities • In-service Blanket Collection Status • Insulation Blanket Film Production Summary • Insulation Blanket Film Usage Summary • Formulate Task Group Goals

  12. 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

  13. Increased Probability of Flammability Failure Change in Contributing Factors Aging/Contamination Task Group Flammability Performance EXAMPLE

  14. Contamination Survey Raw Data

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