85-19-03 R2 MCDONNELL DOUGLAS: Amendment 39-5137 as amended by Amendment 39-5200 is further amended by Amendment 39-5844. Applies to McDonnell Douglas Model DC-9, DC-9-80, and C-9 (Military) series airplanes, fuselage numbers 1 through 1371, certificated in any category, with more than 30,000 landings.\n\n\tCompliance required as indicated, unless previously accomplished.\n\n\tA.\tWithin the next 1,600 landings after the effective date of this AD, inspect the skin and doublers around the upper anticollision light cutout for cracks in accordance with McDonnell Douglas Service Bulletin 53-186, dated April 17, 1985 (hereinafter referred to as SB 53-186), Figure 2, or later revisions approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.\n\n\tB.\tIf no cracks are found under Condition I, Phase I, as referenced in SB 53-186, perform repetitive eddy current inspections at intervals not to exceed 3,500 landings in accordance with Figure 2 of SB 53-186, until such time as stress coining of plate nut clearance holes, as outlined under Condition 1, Phase II of SB 53-186, or SB 09530186 (originally identified as McDonnell Douglas DC-9 Service Sketch 3626C), is accomplished.\n\n\tC.\tIf cracks are found, before further flight:\n\n\t\t1.\tFor cracks less than 1.00 inch long, repair cracked area in accordance with Conditions II or III of the Accomplishment Instructions in SB 53-186, or SB 09530186.\n\n\t\t2.\tFor cracks 1.00 to 1.25 inches long, repair cracked area in accordance with Condition III of the Accomplishment Instructions in SB 53-186, or SB 09530186.\n\n\t\t3.\tFor cracks greater than 1.25 inches, repair in accordance with data approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.\n\n\tD.\tTerminating Action. Completion of the Accomplishment Instructions of SB 53-186, or SB 09530186, or later revisions approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region, constitutes terminating action for this AD.\n\n\tE.\tAlternative inspections, modifications, or other actions which provide an acceptable level of safety may be used when approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.\n\n\tF.\tUpon request of operator, an FAA maintenance inspector, subject to prior approval of the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region, may adjust the repetitive inspection intervals specified in this AD to permit compliance at an established inspection period of the operator if the request contains substantiating data to justify the increase for that operator.\n\n\tAll persons affected by this directive who have not already received the appropriate service information from the manufacturer may obtain copies upon request to McDonnell Douglas Corporation, 3855 Lakewood Boulevard, Long Beach, California 90846, Attention: Director of Publications, C1-L00 (54-60). These documents may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington or the Los Angeles Aircraft Certification Office, 4344 Donald Douglas Drive, Long Beach, California.\n\n\tAmendment 39-5137 (AD 85-19-03) became effective October 14, 1985.\n\n\tAmendment 39-5200 (AD 85-19-03 R1) became effective January 19, 1986.\n\n\tThis amendment, 39-5844, becomes effective March 21, 1988.