78-08-11 MCDONNELL DOUGLAS: Amendment 39-3190. Applies to DC-10-10, -10F, -30, -30F and -40 Series airplanes, certificated in all categories.\n\n\tCompliance required before April 10, 1979, unless already accomplished, or unless incorporated in production. \n\n\tTo minimize the probability of an aborted takeoff resulting from a false stall warning during the takeoff roll, add a five second time delay between nose gear lift-off and the initiation of a stall warning by accomplishing the following:\n\n\t(a)\tModify the airplanes in accordance with McDonnell Douglas DC-10 Service Bulletin 22-94 dated August 4, 1977, or later FAA approved revisions.\n\n\t(b)\tIncorporate revisions in the FAA Approved Airplane Flight Manual, Documents MDC-J1010, MDC-J1030, MDC-J5830, MDC-J1040 and MDC-J2140, by adding the following new heading and text in Section III Procedures:\n\n\t\tSTALL WARNING PREFLIGHT CHECK\n\n\t\tRotate "STALL TEST" switch to "L (MOM)." Note five second delay before stick shaker \t\t\tactivation. Rotate "STALL TEST" switch to "R (MOM)." Again note five second delay before stick \t\tshaker activation.\n\n\t(c)\tEquivalent modifications, procedures, or revisions may be used when approved by the Chief, Aircraft Engineering Division, FAA Western Region.\n\n\t(d)\tSpecial flight permits may be issued in accordance with FAR's 21.197 and 21.199 to operate airplanes to a base for accomplishment of the modification required by this AD.\n\n\tThis amendment becomes effective May 18, 1978.