AD 81-20-02

81-20-02 VARGA AIRCRAFT CORPORATION (MORRISEY): Amendment 39- 4341. Applies to Model 2150A, certified in any category.

COMPLIANCE: Required as indicated, unless already accomplished.

To prevent engine fuel starvation due to obstruction of the fuel vent system, prior to further flight, accomplish the following:

a. Inspect vent tube assemblies, P/N 26016-42 and -66, for free airflow between all branches of the vent tubes.

b. Replace obstructed vent tube assemblies with a serviceable part of the same part number prior to return to service.

c. Special flight permits may be issued in accordance with FAR 21.197 to operate aircraft to a base for the accomplishment of inspections required by this AD.

d. Alternative inspections, modifications or other actions which provide an equivalent level of safety may be used when approved by the Chief, Western Aircraft Certification Field Office, Northwest Mountain Region, Federal Aviation Administration, 15000 Aviation Boulevard, Hawthorne, California 90261; telephone (213) 536-6352.

Varga Service Bulletin SB-13, entitled Fuel Vent Drain Inspection, refers to the subject matter of this AD.

This amendment becomes effective March 15, 1982, to all persons except those to whom it was made immediately effective by priority mail as Emergency AD 81-20-02, dated September 28, 1981.