Airworthiness directives › 2003-20-08
AD 2003-20-08 Airworthiness Directives; Boeing Model 747SP and 747SR; 747-100B, -200B, -200C, -200F, -300, -400, and -400D; and 767-200 and -300 Series Airplanes
Applicability*9
Airplanes, certificated in any category, as listed in Table 1 of this AD below: Table 1.—Applicability Models and series As listed in the following Boeing Service Bulletins Model 747SR and 747SP, and 747-100B, -200B, -200C, -200F, -300, -400, and -400D 747-25-3244, Revision 4, dated June 26, 2003. Model 767-200 and -300 767-25-0288, Revision 3, dated August 1, 2002.
Compliance
Required as indicated, unless accomplished previously. To prevent detachment of the shoulder restraint harness of the attendant or observer seat from its mounting bracket during service, which could result in injury to the occupant of the seat, accomplish the following: Inspection and Corrective Action (a) Within 36 months after the effective date of this AD, do a one-time general visual inspection of the attachment of the shoulder restraint harness of each observer or attendant seat to determine if a C-clip is used in the attachment. Do the inspection according to Boeing Service Bulletin 747-25-3244, Revision 4, dated June 26, 2003; or Boeing Special Attention Service Bulletin 767-25-0288, Revision 3, dated August 1, 2002; as applicable. If the shoulder harness is looped through the bracket and attached to itself with a C-clip, do paragraph (a)(1) or (a)(2) of this AD. Note 1: For the purposes of this AD, a general visual inspection is defined as: “A visual examination of an interior or exterior area, installation, or assembly to detect obvious damage, failure, or irregularity. This level of inspection is made from within touching distance unless otherwise specified. A mirror may be necessary to enhance visual access to all exposed surfaces in the inspection area. This level of inspection is made under normally available lighting conditions such as daylight, hangar lighting, flashlight, or droplight and may require removal or opening of access panels or doors. Stands, ladders, or platforms may be required to gain proximity to the area being checked.” (1) Remove and discard the C-clip, and reattach the shoulder harness to the mounting bracket, according to the service bulletin. (2) Install a second C-clip with the clip's opening positioned in the opposite direction of the opening of the existing C-clip, according to the optional method described in Steps 19 and 20 of Figure 1 or 2 of the applicable service bulletin. Acceptable for Compliance (b) Removing and discarding the C-clip and reattaching the shoulder harness to the mounting bracket; according to Boeing Service Bulletin 747-25-3244, Revision 1, dated May 17, 2001, Revision 2, dated April 4, 2002, or Revision 3, dated August 1, 2002; Boeing Service Bulletin 767-25-0288, Revision 1, dated May 17, 2001, or Revision 2, dated April 4, 2002; as applicable; is acceptable for compliance with the requirements of paragraph (a)(1) of this AD. Parts Installation (c) As of the effective date of this AD, do not attach the shoulder restraint harness of an observer or attendant seat on any airplane to the mounting bracket using a C-clip, unless the required actions specified in paragraph (a)(2) of this AD are done. Alternative Methods of Compliance (d) In accordance with 14 CFR 39.19, the Manager, Seattle Aircraft Certification Office, FAA, is authorized to approve alternative methods of compliance for this AD. Incorporation by Reference (e) Unless otherwise specified in this AD, the actions shall be done in accordance with Boeing Service Bulletin 747-25-3244, Revision 4, dated June 26, 2003; or Boeing Special Attention Service Bulletin 767-25-0288, Revision 3, dated August 1, 2002; as applicable. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from Boeing Commercial Airplane Group, P.O. Box 3707, Seattle, Washington 98124-2207. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. Effective Date (f) This amendment becomes effective on October 21, 2003. Issued in Renton, Washington, on September 26, 2003. Ali Bahrami, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 03-24976 Filed 10-3-03; 8:45 am] BILLING CODE 4910-13-P
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