Accession Number : ADA291520

Title :   The Effect of Wear on Fire-Blocking Layer Material Effectiveness.

Descriptive Note : Technical note,

Corporate Author : FEDERAL AVIATION ADMINISTRATION TECHNICAL CENTER ATLANTIC CITY NJ

Personal Author(s) : Barrientos, J. M.

PDF Url : ADA291520

Report Date : JAN 1995

Pagination or Media Count : 19

Abstract : On April 6, 1993, China Airline's MD-11 Flight 583 underwent severe turbulence caused by the inadvertent deployment of the wing leading edge slats. The aircraft experienced three violent pitch oscillations and a loss of altitude of about 5,000 feet which significantly damaged the interior of the cabin. Upon examination of the passenger seats in the cabin interior, excessive wear was noticed with the fire-blocking layer (FBL) material which encapsulates the foam cushions that protect them in the event of a fire. Concerns arose with this FBL material manufactured by Testori of Italy, as well as other FBL material in service, with regard to their effectiveness in protecting the foam cushions from fire. Samples of this type of material underwent several flammability tests at the FAA Technical Center International Airport, NJ, and chemical analysis and microscopic examination at flu Pont Fibers Laboratory in Wilmington, Delaware.

Descriptors :   *COMMERCIAL AVIATION, *CHINA, *FIRE RESISTANT MATERIALS, *AIRCRAFT SEATS, TEST AND EVALUATION, FIBERS, PITCH(MOTION), TURBULENCE, ATMOSPHERIC MOTION, MICROSCOPY, INTERNAL, ITALY, LABORATORIES, LEADING EDGES, LOSSES, WINGS, ALTITUDE, AIRCRAFT FIRES, CHEMICAL ANALYSIS, PASSENGERS, OSCILLATION, MEDICAL EXAMINATION, FLAMMABILITY, FOAM, CUSHIONING, DELAWARE, AIRCRAFT CABINS.

Subject Categories : Aircraft
      Commercial and General Aviation

Distribution Statement : APPROVED FOR PUBLIC RELEASE