AD 92-17-13

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AD Number:
92-17-13
Document Type:
AD Final Rules
Docket Number:
92-NM-139-AD
Subject Heading:
Airworthiness Directives; McDONNELL DOUGLAS DC-10-10, -15, -30, -40, and KC-10 (Military) Series Airplanes
Subject:
Wing Pylon Aft Bulkhead
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
09/01/1992
Make:
The Boeing Company
Model:
DC-10-10 | DC-10-10F | DC-10-15 | DC-10-30 | DC-10-30F (KC-10A, KDC-10) | DC-10-40 | DC-10-40F
Product Type:
Aircraft
Product Subtype:
Large Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 92-17-13
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   92-NM-139-AD

AMENDMENT:   39-8342

AD NUMBER:   92-17-13

SUBJECT HEADING:   Airworthiness Directives; McDONNELL DOUGLAS DC-10-10, -15, -30, -40, and KC-10 (Military) Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective September 1, 1992.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   92-17-13 McDONNELL DOUGLAS: Amendment 39-8342. Docket No. 92-NM-139-AD.

Applicability: Model DC-10-10, -15, -30, -40, and KC-10 (military) series airplanes, certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent failure of the wing pylon aft bulkhead and subsequent separation of the engine and pylon from the airplane, accomplish the following:

(a) Except as provided by paragraph (b) of this AD: Prior to or upon the accumulation of 4,000 total flight cycles, or within 10 days after the effective date of this AD, whichever occurs later, visually inspect the left and right wing pylon aft bulkhead and the upper spar web to detect cracks, in accordance with McDonnell Douglas DC-10 Alert Service Bulletin A54-106, dated July 9, 1992.

(b) The inspection specified in paragraph (a) of this AD is not required to be accomplished on airplanes on which a visual inspection of the left and right wing pylon aft bulkhead and the upper spar web has been accomplished within 45 days prior to the effective date of this AD, in accordance with one of the methods specified in either paragraph (b)(1) or (b)(2) of this AD:

(1) the inspection method specified in McDonnell Douglas DC-10 Alert Service Bulletin A54-106, dated July 9, 1992; or

(2) the inspection required by paragraph (g)1. of AD 80-11-05 R1 (Amendment 39-3981).

(c) If any cracks are found in the wing pylon aft bulkhead, prior to further flight, replace the wing pylon aft bulkhead in accordance with a method approved by the Manager, Los Angeles Aircraft Certification Office (ACO), FAA, Transport Airplane Directorate.

(d) If any cracks are found in the upper spar web, prior to further flight, repair in accordance with a method approved by the Manager, Los Angeles Aircraft Certification Office (ACO), FAA, Transport Airplane Directorate.

(e) Submit a report of inspection findings to the Manager, Los Angeles ACO, 3229 East Spring Street, Long Beach, California 90806-2425, [fax (310) 988-5210], at the applicable time specified in paragraph (e)(1) or (e)(2) of this AD. The report must include the inspection results, a description of any discrepancies found, the airplane serial number, and the number of landings and flight hours on the airplane. Information collection requirements contained in this regulation have been approved by the Office of Management and Budget (OMB) under the provisions of the Paperwork Reduction Act of 1980 (44 U.S.C. 3501 et seq.) and have been assigned OMB Control Number 2120-0056.

(1) For airplanes on which the inspection is accomplished after the effective date of this AD: Submit the report within 10 days after performing the inspection required by paragraph (a) of this AD.

(2) For airplanes on which the inspection has been accomplished prior to the effective date of this AD: Submit the report within 10 days after the effective date of this AD.

(f) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Los Angeles ACO, FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Los Angeles ACO.

NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Los Angeles ACO.

(g) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished.

(h) The inspection shall be done in accordance with McDonnell Douglas DC-10 Alert Service Bulletin A54-106, dated July 9, 1992. 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 McDonnell Douglas Corporation, P.O. Box 1771, Long Beach, California 90801, Attention: Business Unit Manager, Technical Publications & Technical Administrative Support C1-L5B (56-60). Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, Washington; or at the Los Angeles Aircraft Certification Office, FAA, Transport Airplane Directorate, 3229 East Spring Street, Long Beach, California; or at the Office of the Federal Register, 800 North Capitol Street NW., 7th Floor, Suite 700, Washington, DC.

(i) This amendment becomes effective on September 1, 1992.

FOOTER: