72-22-04 BEECH: Amendment 39-1546. Applies to Beech Models 60 series (Serial Numbers P-1 thru P-200 and P-210) airplanes which have a moisture barrier at fuselage station 306.421.
Compliance: Within the next 25 hours' time in service after the effective date of this AD, unless already accomplished.
To prevent possible interference with elevator movement, accomplish the following:
A) Starting at the cut out for the elevator bell crank, slit the moisture barrier vertically upward utilizing a knife, razor blade or other similar tool. Extend this cut through the Velcro strip which attaches the moisture barrier to the front spar of the horizontal stabilizer.
NOTE: In making the slit do not damage the spar.
B) Any equivalent method of compliance with this AD must be submitted and approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.
This amendment becomes effective October 31, 1972.