AD 93-02-02

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AD Number:
93-02-02
Document Type:
AD Final Rules
Docket Number:
92-NM-190-AD
Subject Heading:
Airworthiness Directives; FOKKER Model F27 Series Airplanes
Subject:
Wing Structural Capability
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
03/18/1993
Make:
Fokker Services
Model:
F27 Mark 050 | F27 Mark 100 | F27 Mark 200 | F27 Mark 300 | F27 Mark 400 | F27 Mark 500 | F27 Mark 6...Show more
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Superseded AD: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Superseded By: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: 93-02-02
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   92-NM-190-AD

AMENDMENT:   39-8484

AD NUMBER:   93-02-02

SUBJECT HEADING:   Airworthiness Directives; FOKKER Model F27 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective March 18, 1993.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
93-02-02 FOKKER: Amendment 39-8484. Docket 92-NM-190-AD.
Applicability: Model F27 series airplanes; serial numbers 10102 through 10433, inclusive; 10435 through 10443, inclusive; and 10446 through 10450, inclusive; certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent reduced structural capability of the wings, accomplish the following:

(a) Within 8,000 flight hours after the effective date of this AD, or within 60 months after the effective date of this AD, whichever occurs first, accomplish the requirements of paragraphs (a)(1) and (a)(2) of this AD.

(1) Replace currently installed nuts having non-metallic locking inserts, installed at the wing spar attachment brackets at wing station 1040, with all-metal self-locking nuts, in accordance with Fokker Service Bulletin F27/57-23, Revision 6, dated August 13, 1991.

(2) Replace the lower 14 Hi-shear pins at the rear spar attachment bracket with Hi-lok fasteners, in accordance with Fokker Service Bulletin F27/57-23, Revision 6, dated August 13, 1991.

(b) 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.

(c) 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.

(d) The replacements shall be done in accordance with Fokker Service Bulletin F27/57-23, Revision 6, dated August 13, 1991. 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 Fokker Aircraft USA, Inc., 1199 North Fairfax Street, Alexandria, Virginia 22314. 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.

(e) This amendment becomes effective on March 18, 1993.

FOOTER: