77-08-06 MOONEY: Amendment 39-2877 as amended by Amendment 39-2903 is further amended by Amendment 39-2962. Applies to Models M20E (Serial Numbers 101 through 466, 470 through 1217, 1219, 1221, 1223 through 1308, 670001 through 670062, 690001 through 690073, 700001 through 700039, 700041 through 700043, 700045 through 700052, 700055, 700056, 700060, 700061, 21-0001 through 21-1180); M20F (Serial Numbers 670001 through 670363, 670365 through 670385, 670387 through 670482, 670484 through 670539, 680001 through 680206, 690001 through 690090, 690092, 700001 through 700061, 700063, 700066 through 700070, 700072, 22-0001 through 22-1437); M20J (Serial Numbers 24- 0001 through 24-0237) airplanes.
Compliance required prior to further flight after the effective date of this AD except that the airplane may be flown in accordance with FAR 21.197 to a base where the removal can be performed.
To prevent loss of engine oil accomplish the following:
(a) Before the next flight of the affected airplanes, remove the engine cowl and visually check the engine oil cooler to determine whether it is a Stewart-Warner Model 8432H (S/N 001 and Up) 8432F (S/N 1610 through 1717).
(1) If the oil cooler is not of the model and serial numbers listed above, make an entry in the aircraft maintenance records indicating that this Airworthiness Directive (AD) has been accomplished and the airplane may be returned to service.
NOTE: If your airplane was manufactured prior to March 1, 1975, and your oil cooler has not been replaced since that date, then your airplane does not have a suspect oil cooler.
(2) If the oil cooler is of a model and serial number listed above, before further flight after the effective date of this AD, the oil cooler must be removed and replaced with a serviceable Stewart- Warner Model 8432F-1 oil cooler, except that the airplane may be flown in accordance with FAR 21.197 to a base where the removal and replacement can be performed.
A pilot may perform the visual checks outlined in items (a)(1) above pursuant to the provisions of FAR 43.3(h).
NOTE: For the requirements regarding the listing of compliance and method of compliance with paragraphs (a)(1) and (a)(2) of this AD in the aircraft permanent maintenance record, see FAR 91.1973.
(b) Deleted.
(c) Any equivalent method of compliance with this AD must be approved by the Chief, Engineering and Manufacturing Branch, Flight Standards Division, Southwest Region, Federal Aviation Administration.
NOTE: Mooney Service Bulletin M20-203, dated July 7, 1977, pertains to this same subject.
Amendment 39-2877 became effective on April 21, 1977, and was effective upon receipt for all recipients of the airmail letter dated April 15, 1977.
Amendment 39-2903 became effective May 19, 1977, and was effective upon receipt for all recipients of the airmail letter dated May 16, 1977.
This amendment 39-2962 becomes effective July 25, 1977, and was effective upon receipt for all recipients of the airmail letter dated July 8, 1977.