AD 88-23-04 ACTIVE

88-23-04 CESSNA: Amendment 39-6133. Final copy of Priority Letter AD which was effective November 16, 1988.

Applicability: Model 650 series airplanes; Serial Numbers 650-0094, 650-0096, 650- 0100 through 650-0103, 650-0105 through 650-0107, 650-0117, 650-0120, 650-0123, 650-0125 through 650-0129, 650-0131 through 650-0159, 650-0161, and 650-0162; certificated in any category.

Compliance: Required as indicated, unless already accomplished.

To prevent elevator flutter, accomplish the following:

A. Prior to further flight, incorporate the following into the Limitations Section of the FAA-approved Airplane Flight Manual (AFM). This may be accomplished by inserting a copy of this AD, or the Temporary AFM Change included as part of the Cessna Alert Service Letter SLA650-27-20, dated November 11, 1988, into the AFM:

"Enroute Operations Limits: 45,000 ft. Maximum Calibrated Operating Altitude."

B. Within the next 100 flight hours time-in-service or 60 daysafter the effective date of this AD, whichever occurs sooner, remove both elevators from the airplane and check for proper balance, in accordance with Cessna Alert Service Letter SLA650-27-20, dated November 11, 1988. Elevators not meeting proper balance specifications must be rebalanced, prior to further flight, in accordance with the Accomplishment Instructions of the service bulletin.

C. Accomplishment of the requirements of paragraph B., above, constitutes terminating action for the requirements of paragraph A., above, and the AFM revision may be removed.

D. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Wichita Aircraft Certification Office, FAA, Central Region.

E. 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.

All persons affected by this directive may obtain copies of the applicable service information from Cessna Aircraft Company, Citation Marketing Division, P.O. Box 7706, Wichita, Kansas 67277. This material may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or at the Wichita Aircraft Certification Office, FAA, Central Region, 1801 Airport Road, Room 100, Mid-Continent Airport, Wichita, Kansas.

This AD was effective earlier to all recipients of Priority Letter AD 88-23-04 issued November 16, 1988.

This amendment (39-6133, AD 88-23-04) becomes effective February 21, 1989.