67-27-02 AVIONS MARCEL DASSAULT: Amdt. 39-478, Part 39, Federal Register September 9, 1967. Applies to Fan Jet Falcon Airplanes Serial Numbers 1 thru 89, except Serial Numbers 73, 78, 82, 85 and 87.
Compliance required as indicated.
To detect and prevent corrosion of the wing to fuselage recess and the wing to fuselage attachment bolts accomplish the following, unless already accomplished:
(a) For all airplanes, within the next 200 hours' time in service after the effective date of this AD, and thereafter at intervals not to exceed 200 hours' time in service from the last inspection, visually inspect the recesses of the wing fuselage junction for signs of corrosion, in accordance with Dassault Service Bulletin No. 282 (57-14), dated April 12, 1967, or later SGAC- approved or FAA-approved revision, or in accordance with an FAA-approved equivalent.
(b) For airplanes without Dassault Modifications M1014A and M1014C and with more than 400 hours' time in service on the effective date of this AD, within the next 200 hours' time in service after the effective date of this AD, and thereafter at intervals not to exceed 600 hours' time in service from the last inspection, inspect the wing to fuselage attachment bolts for signs of corrosion, in accordance with Dassault Service Bulletin No. 282 (57-14), dated April 12, 1967, or later SGAC-approved or FAA-approved revision, or in accordance with an FAA- approved equivalent.
(c) For airplanes without Dassault Modifications, M1014A and M1014C and with less than 400 hours' time in service on the effective date of this AD, prior to the accumulation of 600 hours' time in service, and thereafter at intervals not to exceed 600 hours' time in service from the last inspection, inspect the wing to fuselage attachment bolts for signs of corrosion, in accordance with Dassault Service Bulletin No. 282 (57-14), dated April 12, 1967, or later SGAC- approved or FAA-approved revision, or in accordance with an FAA-approved equivalent.
(d) If corrosion is found when conducting the inspections required by paragraphs (a), (b), or (c), within the next 200 hours' time in service, comply with paragraph (f).
(e) If no corrosion is found during the inspections required by paragraphs (a), (b), or (c), incorporate the modifications specified in paragraph (f) prior to the accumulation of 1200 hours' time in service from the effective date of this AD, but in any event not later than December 31, 1968.
(f) Incorporate Dassault Modifications M1014C and M1057, in accordance with Dassault Service Bulletins No. 234, revision 1, dated April 12, 1967, and No. 259, dated April 12, 1967, or later SGAC-approved or FAA-approved revisions, or an FAA-approved equivalent.
(g) The repetitive inspections, required by paragraphs (a), (b), and (c), may be discontinued after the incorporation of Dassault Modifications M1014A, M1014C and M1057.
This amendment effective October 9, 1967.