Structrual Modifications

Category - Airframe
Effective Date - 04/21/1994
Recurring - No
Supersedes - N/A
Superseded by - N/A
Amendment 39-8842. Docket 93-NM-73-AD.

Applicability:
Model 727 series airplanes, as listed in Boeing Document D6-54860, "Aging Airplane Service Bulletin Structural Modification and Inspection Program - Model 727," Revision G, dated March 5, 1993; certificated in any category.

Compliance:
Required as indicated, unless accomplished previously. To prevent structural failure, accomplish the following:
(a) Prior to reaching the incorporation thresholds listed in Boeing Document Number D6-54860, "Aging Airplane Service Bulletin Structural Modification and Inspection Program - Model 727," Revision G, dated March 5, 1993, or within the next 4 years after the effective date of this AD, whichever occurs later, accomplish the structural modifications listed in Appendices A.3, B.3, and C.3 of the Boeing Document.

NOTE 1: The modifications required by this paragraph do not terminate the inspection requirements of any other AD unless that AD specifies that any such modification constitutes terminating action for the inspection requirements.

(b) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Seattle Aircraft Certification Office (ACO), FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Seattle ACO.

NOTE 2: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Seattle ACO.

(c) Special flight permits may be issued in accordance with Federal Aviation Regulations (FAR) 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished.

(d) The modifications shall be done in accordance with Boeing Document Number D6-54860, "Aging Airplane Service Bulletin Structural Modification and Inspection Program - Model 727," Revision G, dated March 5, 1993, which contains the following list of effective pages: Revision Sym Date Page Number Shown on Page Shown on Page List of Active Pages G (These pages are not dated) Pages c.1 and c.2

(NOTE: The issue date of this document is indicated only on page d.7; no other page of the document is dated.)
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.

(e) This amendment becomes effective on April 21, 1994.

FOR FURTHER INFORMATION CONTACT:
Walter Sippel, Aerospace Engineer, Airframe Branch, ANM-120S, FAA, Transport Airplane Directorate, Seattle Aircraft Certification Office, 1601 Lind Avenue, SW, Renton, Washington 98055-4056; telephone (206) 227-2774; fax (206) 227-1181.