AD 92-09-08

92-09-08 FOKKER: Amendment 39-8233. Docket No. 91-NM-127-AD. Applicability: Model F28 Mark 0100 series airplanes equipped with Smiths Industries Combined Processor/Totaliser (CPT) units having fuel quantity indication in pounds, certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent inaccurate presentation of fuel quantity, accomplish the following:

(a) Within 120 days after the effective date of this AD, remove the CPT unit, modify the airplane's electrical wiring connection for the CPT unit, and install a new CPT unit having a modified connector which will mate with the newly-installed connector, in accordance with Fokker Service Bulletin F100-28-015, dated January 30, 1991.

(b) Subsequent to accomplishing the requirements of paragraph (a) of this AD, perform the operational tests in accordance with Fokker Service Bulletin F100-28-015, dated January 30, 1991.

(c) 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 Maintenance Inspector, who may concur or comment and then send it to the Manager, 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 modification shall be done in accordance with Fokker Service Bulletin F100-28-015, dated January 30, 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, 1100 L Street NW., Room 8401, Washington, DC.

(f) This amendment becomes effective June 11, 1992.