AD 92-03-10

Final rule

92-03-10 SAAB-SCANIA: Amendment 39-8165. Docket 91-NM-139-AD.
Applicability: Model SAAB 340B series airplanes, Serial Numbers 160 through 226, certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent reduced structural integrity of the wings, accomplish the following:

(a) Within 250 hours time-in-service after the effective date of this AD, perform a visual inspection of the inner-wing fuel tanks for foreign objects that could block or restrict the flow of fuel between the outer and inner fuel tanks, in accordance with SAAB Service Bulletin 340-28-013, dated March 14, 1991.

(b) If foreign objects are found as a result of the inspection required by paragraph (a) of this AD, prior to further flight, remove the foreign objects; submit a report of such findings to SAAB Aircraft Product Support, in accordance with SAAB Service Bulletin 340-28-013, dated March 14, 1991; and perform additional inspections in a manner approved by the Manager, Standardization Branch, FAA, Transport Airplane Directorate. Information collection requirements contained in this regulation have been approved by the Office of Management and Budget (OMB) under the provisions of the Paperwork Reduction Act of 1980 (P.L. 96-511) and have been assigned OMB Control Number 2120-0056.

(c) An alternative method of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Standardization Branch, ANM- 113, FAA, Transport Airplane Directorate.

NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Standardization Branch, ANM-113.

(d) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.

(e) The inspection required by this AD shall be done in accordance with SAAB Service Bulletin 340-28-013, dated March 14, 1991. 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 SAAB-Scania AB, Product Support, S-581.88, Linkoping, Sweden. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue S.W., Renton, Washington; or at the Office of the Federal Register, 1100 L Street N.W., Room 8401, Washington, D.C.

(f) This amendment (39-8165, AD 92-03-10) becomes effective on March 16, 1992.