75-17-35 LOCKHEED: Amendment 39-2325. Applies to all Model 382 series airplanes through serial number 4610. Before further flight, unless already accomplished, perform the propeller torque check in accordance with Lockheed Alert Service Bulletin A 382-190. If the propellers do not pass the torque check, replace the propeller control with a control that will pass the above operational check prior to further flight.
This amendment is effective August 13, 1975, and was effective on receipt for all recipients of the telegram dated July 25, 1975 which contained this amendment.