With the FAA's mandate that cargo liner repair patches must meet flame penetration requirements described in FAR 25, Appendix F, Part 3, several new repair systems were introduced to the airlines to meet this demanding application. Previously available patches consisted of liner material with a pressure sensitive adhesive. While easy to use, the adhesive could not withstand temperatures to 1800 F, as required by the flame penetration test. Consequently, the patch fell from the liner, allowing the flame to penetrate the damaged area. The currently available repair systems were developed to meet the flame penetration requirements; however, the patches are difficult and time-consuming to apply. Moreover, they are expensive. A new patching system was developed which can be applied in less than 5 minutes, depending on the extent of the damage. This system is designated Gillpatch 2 and meets all flammability and flame penetration resistance tests described in FAR 25.855. The patch and adhesive combinations will be available in kits for rapid, on-the-spot repairs. The installation criteria and technical approach to solving the repair patch needs of the airlines and maintenance stations are described.
Repair Patching System for Aircraft Cargo Liners
1993
6 pages
Report
Keine Angabe
Englisch
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