AD 93-14-03

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AD Number:
93-14-03
Document Type:
AD Final Rules
Docket Number:
92-NM-213-AD
Subject Heading:
Airworthiness Directives; SHORT BROTHERS, PLC Model SD3-30 Series Airplanes
Subject:
MLG Beam Sub-assembly
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
08/23/1993
Make:
Short Brothers PLC
Model:
SD3-30
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Superseded AD: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Superseded By: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: 93-14-03
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   92-NM-213-AD

AMENDMENT:   39-8627

AD NUMBER:   93-14-03

SUBJECT HEADING:   Airworthiness Directives; SHORT BROTHERS, PLC Model SD3-30 Series Airplanes

ACTION:   Final rule

SUMMARY:  

DATES:   Effective August 23, 1993.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
93-14-03 SHORT BROTHERS, PLC: Amendment 39-8627. Docket 92-NM-213-AD.
Applicability: Model SD3-30 series airplanes; equipped with Menasco main landing gear (MLG) beam assembly, part number (P/N) 17501, serial numbers MMC-039 through MMC-068, inclusive, MMC-005 through MMC-038, inclusive, and MMC-071 through MMC-188, inclusive; certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent main landing gear failure, which could damage the airplane or reduce controllability of the airplane during takeoff or landing, accomplish the following:

(a) For airplanes equipped with MLG beam sub-assembly P/N 17604-9, -13, -15/16, or -17/18: Prior to the accumulation of 13,500 total landings or within 2,300 landings after the effective date of this AD, whichever occurs later, rework the MLG beam sub-assembly, in accordance with Shorts SD3- 30 Service Bulletin SD3-32-90, Revision 2, dated June 29, 1992.

NOTE: Shorts SD3-30 Service Bulletin SD3-32-90, Revision 2, dated June 29, 1992, references Menasco Service Bulletin 32-65, Revision 2, dated October 13, 1982, for additional service information.

(b) For airplanes equipped with MLG beam sub-assembly P/N 17604-9, -13, or -13A/14A: Prior to the accumulation of 20,000 total landings on the MLG beam sub-assembly or within 2,300 landings after the effective date of this AD, whichever occurs later, and thereafter prior to the accumulation of 20,000 landings, replace the MLG beam sub-assembly with a serviceable unit, in accordance with Shorts SD3-30 Service Bulletin SD3-32-90, Revision 2, dated June 29, 1992.

(c) 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, Standardization Branch, ANM-113, 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, Standardization Branch, ANM-113.

NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Standardization Branch, ANM-113.

(d) 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.

(e) The rework and replacement shall be done in accordance with Shorts SD3-30 Service Bulletin SD3-32-90, Revision 2, dated June 29, 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 Short Brothers, PLC, 2011 Crystal Drive, Suite 713, Arlington, Virginia 22202-3719. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC.

(f) This amendment becomes effective on August 23, 1993.

FOOTER: