| AD Number | 93-08-01 | Status | Active |
| Effective Date | May 27, 1993 | Issue Date | Not specified |
| Docket Number | 92-NM-191-AD | Amendment | 39-8548 |
| Product Type | ["Aircraft"] | Product Subtype | ["Large Airplane"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Fokker Services |
| Model(s) | F27 Mark 050 F27 Mark 100 F27 Mark 200 F27 Mark 300 F27 Mark 400 F27 Mark 500 F27 Mark 600 F27 Mark 700 |
93-08-01 FOKKER: Amendment 39-8548. Docket 92-NM-191-AD.
Applicability: Model F27 series airplanes in post-Fokker Service Bulletin F27/57-9 configuration; serial numbers 10115, 10126 through 10684, inclusive; 10686, 10687, and 10689 through 10692, inclusive; certificated in any category.
Compliance: Required as indicated, unless accomplished previously.
To prevent reduced structural capability of the wings, accomplish the following:
(a) Inspect the lower skin at the runout of stringers 2 and 10 near wing stations 6490, 5330, and 6100 to detect cracks, in accordance with Fokker Service Bulletin F27/57-69, dated April 6, 1992, at the time specified in paragraph (a)(1), (a)(2), or (a)(3) of this AD, as applicable:
(1) For airplanes that have accumulated less than 20,000 total landings as of the effective date of this AD: Prior to the accumulation of 20,000 total landings, or within 1 year after the effective date of this AD, whichever occurs later.
(2) For airplanes that have accumulated 20,000 or more total landings, but less than 30,000 total landings, as of the effective date of this AD: Prior to the accumulation of 30,000 total landings, or within 5 months after the effective date of this AD, whichever occurs later.
(3) For airplanes that have accumulated 30,000 or more total landings as of the effective date of this AD: Within 2 months after the effective date of this AD.
(b) If any crack is found as a result of the inspection required by paragraph (a) of this AD, prior to further flight, repair in accordance with a method approved by the Manager, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate.
(c) Within 10 days after accomplishing the inspection required by paragraph (a) of this AD, report positive findings of cracks to Fokker, in accordance with Fokker Service Bulletin F27/57-69, dated April 6, 1992. Information collection requirements contained in this regulation have been approvedby 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.
(d) 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.
(e) 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.
(f) The inspection and report shall be donein accordance with Fokker Service Bulletin F27/57-69, dated April 6, 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 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.
(g) This amendment becomes effective on May 27, 1993.