91-16-06 FOKKER: Amendment 39-7096. Docket No. 91-NM-83-AD.
Applicability: Model F-28 Mark 0100 series airplanes; Serial Numbers 11244 through 11264, 11268 through 11283, 11286, 11289, 11291, 11293, 11295, and 11297; certificated in any category.
Compliance: Required within one year after the effective date of this AD, unless previously accomplished.
To prevent loss of communications and reduced capability to comply with air traffic control separation procedures, accomplish the following:
A. Remove all audio control panels and replace with modified audio control panels, in accordance with Fokker Service Bulletin F100-23-014, dated November 7, 1990.
NOTE: The Fokker service bulletin references Gables Service Bulletins G6937XX SB#2, Revision 1, dated March 1, 1991; G6939-12 SB#3, dated February 6, 1990; and G6968-02 SB#2, dated February 6, 1990; for additional instructions.
B. An alternative method of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Standardization Branch, ANM- 113, FAA, Transport Airplane Directorate.
NOTE: The request should be forwarded through an FAA Principal Avionics Inspector, who may concur or comment and then send it to the Manager, Standardization Branch, ANM-113.
C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.
D. The replacement requirement shall be done in accordance with Fokker Service Bulletin F100-23-014, dated November 7, 1990. 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, Renton, Washington; or at the Office of the Federal Register, 1100 L Street N.W., Room 8401 Washington, D.C.
This amendment (39-7096, AD 91-16-06) becomes effective on September 11, 1991.