89-19-08 MCDONNELL DOUGLAS: Amendment 39-6318. (Docket No. 88-NM-125-AD) \n\n\tApplicability: McDonnell Douglas Model DC-10-10, -10F, -15, -30, -30F, -40, and KC-10A (Military) series airplanes; equipped with outboard flap vane part numbers ARC 1455 or 1457-1, -2, -501, -502, -503, -504, -505, or -506; certificated in any category. \n\n\tCompliance: Required as indicated, unless previously accomplished. \n\n\tTo prevent failure of the outboard flap vane, accomplish the following: \n\n\tA.\tWithin 90 days after the effective date of this AD or within 5 calendar years after the installation of the outboard flap vanes, whichever occurs later, inspect the splice joint of the outboard flap vane for skin delamination, in accordance with the Accomplishment Instructions of McDonnell Douglas Service Bulletin A57-110, Revision 1, dated August 10, 1988, or Revision 2, dated December 20, 1988. \n\n\tB.\tWithin 18 months after the effective date of this AD, or within 5 calendar years after theinstallation of the outboard flap vane, whichever occurs later, and thereafter at intervals not to exceed 18 months, inspect the entire outboard flap vane for skin delamination, in accordance with the Accomplishment Instructions of McDonnell Douglas Service Bulletin A57-110, Revision 1, dated August 10, 1988, or Revision 2, dated December 20, 1988. \n\n\tC.\tIf the outboard flap vane skin delamination and the delamination at the splice joint are within the repairable limits specified in Figure 1, Sheet 5 of 5, of McDonnell Douglas Service Bulletin A57-110, Revision 1, dated August 10, 1988, or Revision 2, dated December 20, 1988, accomplish the following: \n\n\t\t1.\tPrior to further flight, make temporary repairs to the outboard flap vane in accordance with McDonnell Douglas Service Bulletin A57-110, Revision 1, dated August 10, 1988, or Revision 2, dated December 20, 1988; and \n\n\t\t2.\tWithin 6 months after accomplishing the temporary repairs and thereafter at intervals not to exceed 2 months, inspect the repairs in accordance with McDonnell Douglas Service Bulletin A57-110, Revision 1, dated August 10, 1988, or Revision 2, dated December 20, 1988; and \n\n\t\t3.\tWithin 24 months after accomplishing the temporary repairs, accomplish one of the following: \n\n\t\t\ta.\tReplace the outboard flap vane in accordance with McDonnell Douglas Service Bulletin A57-110, Revision 1, dated August 10, 1988, or Revision 2, dated December 20, 1988; or \n\n\t\t\tb.\tAccomplish a permanent hot bond repair to the entire outboard flap vane in accordance with McDonnell Douglas Service Bulletin A57-110, Revision 2, dated December 20, 1988; or \n\n\t\t\tc.\tAccomplish a permanent repair using a repair method approved by the Manager, Los Angeles Aircraft Certification Office, Northwest Mountain Region. \n\n\tD.\tIf the outboard flap vane skin delamination is greater than the limits for temporary repairs specified in Figure 1, Sheet 5 of 5, of McDonnell Douglas Service Bulletin A57-110, Revision 1, dated August 10, 1988, or Revision 2, dated December 20, 1988, replace the outboard flap vane before further flight, or accomplish a permanent hot bond repair to the entire outboard flap vane in accordance with McDonnell Douglas Service Bulletin A57-110, Revision 2, dated December 20, 1988. \n\n\tE.\tIf the outboard flap vane skin delamination is within the unrepaired flyable limits specified in Figure 1, Sheet 3 and 4 of 5, of McDonnell Douglas Service Bulletin A57-110, Revision 1, dated August 10, 1988, or Revision 2, dated December 20, 1988, continue the inspections required by paragraph B., above. \n\n\tF.\tIf an outboard flap vane is repaired in a manner which results in a combination of old bonding technology and new bonding technology (hot bonding) continue the inspections required by paragraph B., above. \n\n\tG.\tInstallation of outboard vane assemblies ARC 1455-507, ARC 1455-508, ARC 1455-509, ARC 1455-510, ARC 1457-507, and/or ARC 1457-508 (as applicable), or the accomplishment of permanent hot bond repairs to the entire outboard flap vane in accordance with McDonnell Douglas Service Bulletin A57-110, Revision 2, dated December 20, 1988, constitutes terminating action for the repetitive inspections required by this AD. \n\n\tH.\tAn alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region. \n\n\tNOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PMI), who may add any comments and then send it to the Manager, Los Angeles Aircraft Certification Office. \n\n\tI.\tSpecial flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD. \n\n\tAll persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies uponrequest to McDonnell Douglas Corporation, 3855 Lakewood Boulevard, Long Beach, California 90846, Attention: Director of Publications, C1-LOO (54-60). \n\n\tThese documents may be examined at FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or at 3229 East Spring Street, Long Beach, California. \n\n\tThis amendment (39-6318, AD 89-19-08) becomes effective on October 14, 1989.