84-24-04 BF GOODRICH: Amendment 39-4960. Applies to BF Goodrich Emergency Evacuation Slide/Rafts P/N's 7A1340 series, 7A1342 series, 7A1371 series, and 7A1373 series installed on Boeing Model 747-100 and 747-200B airplanes in accordance with Supplemental Type Certificate (STC) SA574GL, and on Boeing Model 747-100B, 747SR, and 747-300 airplanes in accordance with STC SA575GL; and BF Goodrich Emergency Evacuation Slide/Rafts P/N's 7A1437 series, 7A1439 series, 7A1447 series, and 7A1448 series installed on Boeing Model 747-100 and 747-200B airplanes in accordance with STC SA744GL, and on Boeing Model 747-100B, 747SR, and 747-300 airplanes in accordance with STC SA745GL. \n\n\tCompliance is required as indicated, unless already accomplished. \n\n\tInspect and replace, as required, the girt bar attachment assemblies in accordance with the following: \n\n\tA.\tWithin the next 15 days after the effective date of this airworthiness directive (AD), inspect the applicable slide/rafts and replace the girt bar attachment assemblies in accordance with the procedures contained in BF Goodrich Alert Service Bulletin 25-093, Revision 1, dated November 21, 1984, or subsequent FAA approved revisions. \n\n\tB.\tDestroy the replaced girt bar attachment assemblies to preclude their installation at a later date. \n\n\tC.\tAlternate means of compliance with this AD which provide an equivalent level of safety may be used when approved by the Manager, Chicago Aircraft Certification Office, FAA, Central Region. \n\n\tD.\tSpecial flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD. \n\n\tAll persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to BF Goodrich Company, Attn: Mr. David Smith, Dept. 1809, Bldg. 17F, 500 South Main Street, Akron, Ohio 44318; telephone (216) 374-2886. These documents also may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington. \n\n\tThis amendment becomes effective December 17, 1984.