71-15-02 BRITISH AIRCRAFT CORPORATION: Amendment 39-1248 as amended by Amendment 39-1361. Applies to Model BAC 1-11 200 and 400 series airplanes.
Compliance is required within the next 2,300 hours' time in service after the effective date of this AD, unless already accomplished.
To reduce the possibility of fire which could result from overheating of the materials in and around the flight deck center roof panel "E" area, accomplish the following:
(a) For Model BAC 1-11 200 series airplanes, modify the flight deck roof panel "E" installation and the flight deck panel lighting electrical system in accordance with parts (b), (c), and (d) of British Aircraft Corporation Model BAC 1-11 Service Bulletin No. 33-PM-4477, dated March 30, 1970, or later ARB-approved issue or an FAA-approved equivalent.
(b) For Model BAC 1-11 400 series airplanes, modify the flight deck roof panel "E" installation and the flight deck panel lighting electrical system in accordance with parts (a), (b), (c), (d), and (e) of British Aircraft Corporation Model BAC 1-11 Service Bulletin No. 33-PM-4477, dated March 30, 1970, or later ARB-approved issue or an FAA-approved equivalent.
(British Aircraft Corporation Model BAC 1-11 Alert Service Bulletin No. 33-A-PM-4169, Issue 4, dated June 7, 1970, refers to this subject.)
Amendment 39-1248 became effective 26 July 1971.
This Amendment 39-1361 becomes effective December 21, 1971.