Airworthiness directives › 2001-03-13
AD 2001-03-13 Airworthiness Directives; Boeing Model 707 Series Airplanes
Models named: 707 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model 707 series airplanes; as listed in Boeing Service Bulletin 2378, Revision 1, dated June 30, 1967; certificated in any category. Note 1: This AD applies to each airplane identified in the preceding applicability provision, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. For airplanes that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must request approval for an alternative method of compliance in accordance with paragraph (c) of this AD. The request should include an assessment of the effect of the modification, alteration, or repair on the unsafe condition addressed by this AD; and, if the unsafe condition has not been eliminated, the request should include specific proposed actions to address it.
Compliance
Required as indicated, unless accomplished previously. To prevent cracking of the upper skin of the wing, which could result in reduced structural integrity of the wing, accomplish the following: Modification (a) Prior to the accumulation of 20,000 total flight hours, or within 24 months after the effective date of this AD, whichever occurs later, modify the upper skin of the wing at wing stringers 10A and 11A on both the left-and right-hand wings of the airplane, in accordance with Boeing Service Bulletin 2378, Revision 1, dated June 30, 1967. (b) During the high frequency eddy current inspection included as part of the modification required by paragraph (a) of this AD, if any crack is found, prior to further flight, repair in accordance with the applicable section of the Boeing 707 Structural Repair Manual. Alternative Methods of Compliance (c) 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. 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. Special Flight Permits (d) Special flight permits may be issued in accordance with sections 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the airplane to a location where the requirements of this AD can be accomplished. Effective Date (e) This amendment becomes effective on March 22, 2001. Issued in Renton, Washington, on February 8, 2001. Vi L. Lipski, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 01-3695 Filed 2-14-01; 8:45 am] BILLING CODE 4910-13-U
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1