- Effective
- October 17, 1990
- Models
- PZL M18, PZL M18A
- Data sheet
- TCDSA47EU
- Registered aircraft
- 1 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-6722
- Docket
- 90-CE-17-AD
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
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On this page
The airworthiness directive
90-20-04 WYTWORNIA SPRZETU KOMUNEKACYJNEGO PZL-MIELEC: Amendment 39-6722. Docket No. 90-CE-17-AD.
Applicability: Models M18 and M18A (Dromader) (Serial Numbers 1Z001-01 through 1Z021-20) airplanes, certificated in any category.
Compliance: Required within the next 100 hours time-in-service after the effective date of this AD, unless already accomplished.
To prevent failure of the engine push-pull cables and loss of engine control, accomplish the following:
(a) Remove the engine throttle control and the propeller governor push-pull control and replace those cables in accordance with the instructions and part numbers referenced in PZL- Mielec Mandatory Engineering Bulletin No. K/02.127/89, dated February 1990.
(b) The airplane may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished.
(c) An alternate method of compliance or adjustment of the compliance time, which provides an equivalent level of safety, may be approvedby the Manager, Brussels Aircraft Certification Office, FAA, Europe, Africa, and Middle East Office, c/o American Embassy, B- 1000 Brussels, Belgium; Telephone 322-513.38.30 extension 2710/2711.
NOTE: The request should be forwarded through an FAA Maintenance Inspector, who may add comments and then send it to the Manager, Brussels Aircraft Certification Office.
All persons affected by this directive may obtain copies of the document referred to herein upon request to Wytwornia Sprzetu Komunekacyjnego PZL-Mielec 39-301 Mielec, Poland; or may examine this document at the FAA, Central Region, Office of the Assistant Chief Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri 64106.
This amendment (39-6722, AD 90-20-04) becomes effective on October 17, 1990.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 1
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
By model
Aircraft
NTSB investigations that cite this AD · 1
Their narratives or probable cause name AD 90-20-04, often to say whether the aircraft complied with it.