84-07-03 R1 BRITISH AEROSPACE, AIRCRAFT GROUP: Amendment 39-4837 as amended by Amendment 39-5251. Applies to all Viscount Model 700 series and 800 series airplanes certificated in all categories. Compliance required as indicated. To prevent collapse of the nose landing gear, accomplish the following:
1. Within the next six months after the effective date of this AD, unless previously accomplished within the last six months, and thereafter at intervals not to exceed six months, inspect and repair, as necessary, the nose landing gear in accordance with Paragraph 2, Accomplishment Instructions, of British Aerospace Preliminary Technical Leaflet No. 125, Issue 4, for all Model 800 series airplanes. Paragraphs 2.5 and 2.5.1 must be accomplished at the first inspection and thereafter at intervals not to exceed one year.
2. Within the next six months after the effective date of this AD, unless previously accomplished within the last six months, and thereafter at intervals not to exceed six months, inspect and repair, as necessary, the nose landing gear in accordance with the Accomplishment Instructions of Paragraphs 2.1 thru 2.4, and 2.7 of the British Aerospace Preliminary Technical Leaflet No. 262, Issue 4, for all Model 700 series airplanes; and during the first inspection only, accomplish Paragraph 2.6 and BA Modification D.3284, if applicable. Paragraph 2.5 must be accomplished at the first inspection and thereafter at intervals not to exceed one year.
3. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.
4. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD.
Amendment 39-4837 supersedes Amendment 39-1058 (35 FR 12325), AD 70-16-06.
Amendment 39-4837 becameeffective May 6, 1984.
This Amendment 39-5251 becomes effective March 24, 1986.