75-18-08 MCDONNELL DOUGLAS: Amendment 39-2351 as amended by Amendment 39-2411. Applies to DC-10-10, -10F, -30, -30F and -40 series airplanes, certificated in all categories. \n\n\tTo prevent possible airplane misalignment during ILS approaches without readily available failure indication, accomplish the following: \n\n\t(A)\tUnless already accomplished or unless one of the relieving provisions, specified below, has been accomplished, within four calendar days after receipt of this telegram the airplane is limited to Category I minima and the following placard or its equivalent must be placed in plain view of the pilots: AIRCRAFT LIMITED TO CATEGORY I APPROACH MINIMA. \n\n\t(B)\tOperators shall, by the most immediate and practicable means, notify flight crews of the foregoing. \n\n\t(C)\tThe Category I limitation does not apply to an airplane after accomplishing one of the following: \n\n\t\t(1)\tAccomplish modification defined in McDonnell Douglas Service Bulletin 34-66, dated July 23, 1975, or later FAA-approved revisions; or \n\n\t\t(2)\tAccomplish a modification approved by the Chief, Aircraft Engineering Division, FAA Western Region. \n\n\t(D)\tPrior to August 6, 1976, accomplish McDonnell Douglas Service Bulletin 34-66, dated July 23, 1975, or later FAA-approved revisions, or an equivalent modification approved by the Chief, Aircraft Engineering Division, FAA Western Region. \n\n\tAmendment 39-2351 was effective September 2, 1975, for all persons except those to whom it was made effective immediately by telegrams dated August 6, 1975. \n\n\tThis amendment 39-2411 is effective November 10, 1975 for all persons except those to whom it was made effective by telegrams, dated October 10, 1975, which contained this amendment.