78-17-04 GENERAL DYNAMICS: Amendment 39-3283. Applies to all Model 340 and 440 series and C-131E airplanes in passenger configuration, including those modified for turbopropeller power, certificated in all categories.
To insure that the passenger emergency escape window release handle access door can be opened, accomplish the following:
(a) Within the next 10 hours time in service from the effective date of this AD unless already modified in accordance with paragraph (c) or (d), check each passenger emergency escape window release handle cover assembly to assure that the release handle access door swings open without restriction. If the release handle access door cannot be opened, modify the cover assembly per General Dynamics Alert Service Bulletin 640(340D)-25-A10 dated July 12, 1978 prior to the next flight.
(b) Repeat the checks specified in (1) on all unreworked cover assemblies prior to first flight of each day pending accomplishment of the rework defined in General Dynamics Alert Service Bulletin 640(340D)-25-A10 dated July 12, 1978.
(c) Within 30 days or 50 hours time in service, whichever occurs earlier from the effective date of this AD, accomplish the rework defined in the General Dynamics Service Bulletin noted in paragraph (b) at which time checks required by this AD may be discontinued.
(d) Alternate methods of insuring that the release handle access door can be opened may be used if approved by the Chief, Aircraft Engineering Division, FAA, Western Region.
(e) The checks specified in this AD may be performed by flight crew personnel.
(f) Record the accomplishment of check in a record maintained by the operator.
This amendment becomes effective September 5, 1978.