65-08-01 HAWKER SIDDELEY: Amdt. 39-52 Part 39 Federal Register April 2, 1965. Applies to de Havilland Model 114 "Heron" Aircraft.
Compliance required as indicated.
To prevent further cases of overheating of electric cables in the cockpit and fuselage nose area, accomplish the following:
Within the next 25 hours' time in service after the effective date of this AD, unless already accomplished, dismantle, clean, inspect, replace and modify as required, the main ground (earth) assembly in the forward fuselage in accordance with Hawker Siddeley Technical News Sheet Heron (114) No. N.4, Issue 1, dated July 20, 1964.
(Hawker Siddeley Aviation, de Havilland Division, Technical News Sheet Heron (114) No. N.4, Issue 1, dated July 20, 1964, covers this same subject.)
This directive effective May 3, 1965.