AD 84-15-07

84-15-07 EIRIAVION OY (formerly MOLINO OY): Amendment 39-4935. Applies to Model PIK-20, PIK-20B, and PIK-20D gliders, all serial numbers, certificated in any category.

Compliance required prior to next flight and thereafter at every 150 hours time in service, after the effective date of this AD, unless already accomplished.

To prevent possible in-flight hazards because of possible jamming of the rudder caused by the failure of the bottom rudder hinge bracket, accomplish the following:

1. Visually inspect the corners of the suspension flange of the rudder bottom hinge bracket for cracks (fractures) with at least a 5X magnifying glass in accordance with Procedure 1 of EIRI KY Service Bulletin M20-26 dated December 9, 1982.

2. If cracks (fractures) are found, repair them in accordance with Procedure 2 of EIRI KY Service Bulletin M20-26 dated December 9, 1982.

3. Compliance with this AD is not required when the repair described in EIRI KY Service Bulletin M20-26, dated December 9, 1982, is incorporated.

4. Alternate inspections, adjustment of the inspection interval, or other actions which provide an equivalent level of safety must be approved by the Manager, Brussels Aircraft Certification Office, AEU-100, Europe, Africa and Middle East Office, FAA, c/o American Embassy, 1000 Brussels, Belgium, telephone 513.38.30 x2710.

The EIRIAVION OY EIRI KY Service Bulletin No. M20-26, dated December 9, 1982, identified and described in this directive is incorporated herein and made a part hereof pursuant to 5 U.S.C. 552 (a)(1). All persons affected by this directive, who have not already received these documents from the manufacturer, may obtain copies upon request to EIRIAVION OY, Kisallinkatu 8, SF-15170 Lahti, Finland. These documents may also be examined at the Office of Regional Counsel, 12 New England Executive Park, Burlington, Massachusetts 01803.

This amendment becomes effective November 23, 1984, as to all persons except those persons to whom it was made immediately effective by priority letter AD 84-15-07, issued July 26, 1984, which contained this amendment.