Final Rule
Final Rule
63-15-02 DE HAVILLAND: Amdt. 588 Part 507 Federal Register July 23, 1963. Applies to All Model DH 114 Aircraft.
Compliance required within 200 hours' time in service after the effective date of this AD.
Because of instances of fatigue failure of the bolt, P/N 4W.1121, which attaches the flap jack attachment shackle to the wing, replace the bolt with a new special bolt P/N 14W.5835 in accordance with a de Havilland Heron Modification No. 1498.
(de Havilland TNS Series Heron (114) No. C.F.7 Issue 1 dated December 31, 1962, and de Havilland Modification News Sheet No. Heron 1498 dated January 1, 1963, cover this subject.)
This directive effective August 22, 1963.
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