AD 83-07-02

83-07-02 WYTWORNIA SPRZETU KOMUNIKACYJNEGO, "PZL MIELEC": Amendment 39-4601. Applies to Model PZL M18 Serial Nos. 1Z003-01 through 1Z003-010, 1Z004-05 through 1Z004-010, 1Z005-01 through 1Z005-15 airplanes certificated in any category.

Compliance: Required as indicated, unless already accomplished.

To prevent flutter and buffeting which could cause structural damage to the airplane, accomplish the following: a) Within the next 50 hours time-in-service after the effective date of the AD, reinforce all counterweights (elevator and rudder) as prescribed in Mandatory Bulletin Nos. I/010/81 dated February 1981 and U/019/81 dated November 1981.

b) Aircraft may be flown in accordance with FAR 21.197 to a location where this AD can be accomplished.

c) An equivalent method of compliance with this AD if used must be approved by the Manager, Aircraft Certification Staff, AEU-100, Europe, Africa and Middle East Office, FAA, c/o American Embassy, 1000 Brussels, Belgium.

Thisamendment becomes effective on April 7, 1983.