92-27-08 CESSNA: Amendment 39-8442. Docket No. 92-NM-228-AD.
Applicability: Citation Model 650 series airplanes, having serial numbers -0001 thru -0219, inclusive, and -7001 thru -7013, inclusive; certificated in any category.
Compliance: Required as indicated, unless accomplished previously.
To prevent the potential loss of elevator control, accomplish the following:
(a) Within 25 hours time-in-service after the effective date of this AD: Perform an inspection of the inboard attach fittings of the left-hand and right-hand elevator torque tubes to determine minimum material wall thickness in accordance with Cessna Citation Alert Service Letter A650-27-30, dated November 12, 1992; and perform a visual inspection of the fittings to detect cracking.
(1) If the material thickness of the inboard attach fitting, at all locations, is 0.045 inch or thicker, and if no cracked fitting is found, no further action is required by this AD.
(2) If the materialthickness of the inboard attach fitting, at any location, is equal to or greater than 0.040 inch but less than 0.045 inch, and if no cracked fitting is found, within 150 flight hours, replace the inboard attach fitting in accordance with the service letter.
(3) If the material thickness of the inboard attach fitting, at any location, is thinner than 0.040 inch, or if a cracked fitting is found, prior to further flight, replace the fitting with a fitting having part number 6234132-8, in accordance with the service letter.
(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, Wichita Aircraft Certification Office (ACO), FAA, Small 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, Wichita ACO.
NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Wichita ACO.
(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 inspection and replacement shall be done in accordance with Cessna Citation Alert Service Letter A650-27-30, dated November 12, 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 Cessna Aircraft Company, Citation Marketing Division, P.O. Box 7706, Wichita, Kansas 67277. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at FAA, Wichita Aircraft Certification Office, 1801 Airport Road, Room 100, Mid-Continent Airport, Wichita, Kansas 67209; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC.
(e) This amendment becomes effective on January 4, 1993.