Airworthiness directives › 2004-06-06
AD 2004-06-06 Airworthiness Directives; McDonnell Douglas Model DC-8-70 and -70F Series Airplanes
Models named: DC-8-70, -70F series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model DC-8-70 and -70F series airplanes, certificated in any category, as listed in McDonnell Douglas Service Bulletin DC8-53-078, Revision 01, dated January 25, 2001.
Compliance
Required as indicated, unless accomplished previously. To detect and correct cracking in the lower cargo doorjamb corners, which could result in rapid decompression of the fuselage and consequent reduced structural integrity of the airplane, accomplish the following: Note 1: This AD is related to AD 93-01-15, amendment 39-8469, and will affect Principal Structural Elements (PSEs) 53.08.042 and 53.08.043 of the DC-8 Supplemental Inspection Document (SID), Report L26-011, Volume II, Revision 7, dated April 1993. Group 1 Airplanes: Inspections and Optional Terminating Action (a) For airplanes identified as Group 1 in McDonnell Douglas Service Bulletin DC8-53-078, Revision 01, dated January 25, 2001: (1) Within 2,000 landings or 3 years after the effective date of this AD, whichever occurs first, perform applicable inspections for cracking of the lower cargo doorjamb corners, in accordance with the Accomplishment Instructions of the service bulletin. (i) If no crack is detected during any inspection required by this paragraph: Repeat the inspections within the intervals specified in paragraph 1.E. of the service bulletin. (ii) If any crack is detected during any inspection required by this paragraph: Repair before further flight in accordance with the Accomplishment Instructions of the service bulletin. (2) Modification of the lower cargo doorjamb corners in accordance with the Accomplishment Instructions of the service bulletin terminates the repetitive inspection requirement of paragraph (a)(1)(i) of this AD. (3) For airplanes repaired or modified in accordance with paragraph (a)(1)(ii) or (a)(2) of this AD: Within 17,000 landings after the repair or modification, perform an eddy current inspection for cracks of the doorjamb corners, in accordance with the Accomplishment Instructions of the service bulletin (Drawing SN08530001). Repeat the inspection at intervals not to exceed 4,400 landings. Group 2 Airplanes: Modification (b) For airplanes identified as Group 2 in McDonnell Douglas Service Bulletin DC8-53-078, Revision 01, dated January 25, 2001: (1) Within 2,000 landings or 3 years after the effective date of this AD, whichever occurs first, modify the lower cargo doorjamb corners in accordance with the Accomplishment Instructions of the service bulletin. (2) Within 17,000 landings after the modification required by paragraph (b)(1) of this AD, perform applicable inspections for cracking of the doorjamb corners, in accordance with the Accomplishment Instructions of the service bulletin. Repeat the inspections at intervals not to exceed 4,400 landings. Group 3 and Group 4 Airplanes: Inspections (c) For airplanes identified as Group 3 and Group 4 in McDonnell Douglas Service Bulletin DC8-53-078, Revision 01, dated January 25, 2001: Within 17,000 landings following accomplishment of the modification specified in the service bulletin, perform applicable inspections for cracking of the lower cargo doorjamb corners, in accordance with the Accomplishment Instructions of the service bulletin. Repeat the inspections at intervals not to exceed 4,400 landings. All Airplanes: Repair Following Post-Modification Inspections (d) If any cracking is detected during any inspection required by paragraph (a)(3), (b)(2), or (c) of this AD: Repair before further flight in accordance with a method approved by the Manager, Los Angeles Aircraft Certification Office (ACO), FAA; or per data meeting the type certification basis of the airplane approved by a Boeing Company Designated Engineering Representative (DER) who has been authorized by the Manager, Los Angeles ACO, to make such findings. For a repair method to be approved, the approval must specifically refer to this AD. Credit for Prior Accomplishment (e) Inspections done before the effective date of this AD in accordance with McDonnell Douglas Service Bulletin DC8-53-078, dated February 6, 1996, are acceptable for compliance with the applicable inspections required by this AD. (f) Inspections and repairs specified in this AD of areas of PSEs 53.08.042 and 53.08.043 are acceptable for compliance with the applicable requirements of paragraphs (a), (b), and (c) of AD 93-01-15. The remaining areas of the affected PSEs must be inspected and repaired as applicable, in accordance with AD 93-01-15. Report (g) At the applicable time specified in paragraph (g)(1) or (g)(2) of this AD: Submit a report of the findings (both positive and negative) of each inspection required by this AD to the Manager, Los Angeles ACO. Under the provisions of the Paperwork Reduction Act of 1980 (44 U.S.C. 3501 et seq. ), the Office of Management and Budget (OMB) has approved the information collection requirements contained in this AD and has assigned OMB Control Number 2120-0056. (1) For an inspection done after the effective date of this AD: Submit the report within 10 days after the inspection. (2) For an inspection done before the effective date of this AD: Submit the report within 10 days after the effective date of this AD. Alternative Methods of Compliance (h)(1) In accordance with 14 CFR 39.19, the Manager, Los Angeles ACO, FAA, is authorized to approve alternative methods of compliance (AMOCs) for this AD. (2) An AMOC that provides an acceptable level of safety may be used for any repair required by this AD, if it is approved by a Boeing DER who has been authorized by the Manager, Los Angeles ACO, to make such findings. Incorporation by Reference (i) Unless otherwise specified in this AD, the actions shall be done in accordance with McDonnell Douglas Service Bulletin DC8-53-078, Revision 01, dated January 25, 2001. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from Boeing Commercial Airplanes, Long Beach Division, 3855 Lakewood Boulevard, Long Beach, California 90846, Attention: Data and Service Management, Dept. C1-L5A (D800-0024). Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the FAA, Los Angeles Aircraft Certification Office, 3960 Paramount Boulevard, Lakewood, California; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. Effective Date (j) This amendment becomes effective on April 29, 2004. Issued in Renton, Washington, on March 12, 2004. Ali Bahrami, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 04-6500 Filed 3-24-04; 8:45 am] BILLING CODE 4910-13-P
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