78-07-07 HAWKER SIDDELEY AVIATION, LIMITED: Amendment 39-3170. Applies to Model DH/BH/HS-125 airplanes, certificated in all categories, all series, up to and including the 700A series, but excluding all 700A series airplanes except S/N 0201, 0202, 0203, and 0204, and also excluding S/N 25/025.
Compliance is required as indicated, unless already accomplished.
To prevent possible lightning strike damage to the radome which could result in loss of the radome, within the next 150 hours time in service after the effective date of this AD, remove the lightning diverter strips from the radome and install new diverter strips in accordance with the section entitled "Accomplishment Instructions" and associated drawings of Hawker Siddeley Aviation, Limited, Modification Service Bulletin 53-50(2626), dated August 26, 1977, including Revision 1 (pages 1, 5, 6, and 8) dated October 4, 1977, or an FAA-approved equivalent.
This amendment becomes effective May 3, 1978.