72-14-02 SIAI-MARCHETTI: Amdt. 39-1477. Applies to SIAI Marchetti Model S.205 airplanes, Serial Nos. 001 through 003, 101 through 384, 385 through 4-255, and Model S.208 airplanes, Serial Nos. 001 through 003, 1-03 through 2-19, 369, 3-100, 4-231, 4-233, 4-256 through 4-258.
Compliance is required as indicated.
To prevent the entrance of fuel or fumes into areas of the wing external to the fuel tanks or into the cabin, accomplish the following:
(a) Within the next 10 hours' time in service after the effective date of this AD, unless already accomplished within the last 40 hours' time in service, and thereafter at intervals not to exceed 50 hours' time in service from the last inspection until the modification specified in paragraph (c) is accomplished -
(1) On Model S.205 airplanes, Serial Nos. 001 through 003 and 101 through 384, which do not incorporate scupper drains, remove the right hand and left hand wing tank fuel level transmitter access covers and visuallyinspect the fuel level transmitter supper recessed areas for water deposits or corrosion.
(2) On Model S.205 airplanes, Serial Nos. 385 through 4-255, and Model S.208 airplanes, Serial Nos. 001 through 003, 1-03 through 2-19, 369, 3-100, 4-231, 4-233, and 4-256 through 4-258, which incorporate straight scupper drain tubes, remove the right hand and left hand wing tank fuel level transmitter access covers and visually inspect the welding area between the tubes and fuel level transmitter scupper recessed areas for cracks or signs of fuel seepage into the recessed areas.
(b) If water deposits or corrosion are found during an inspection required by subparagraph (a)(1) or cracks or signs of fuel seepage are found during an inspection required by subparagraph (a)(2), comply with paragraph (c) before further flight, except that the airplane may be flown in accordance with Section 21.197 of the Federal Aviation Regulations to a base where the repair can be made.
(c) For all ModelsS.205 and S.208 airplanes, within the next 500 hours' time in service after the effective date of this AD, unless already accomplished, install new right hand and left hand wing tank fuel transmitter scupper drain tubes, P/N 205-8-112-37 and P/N 205-8- 112-38, and reinforcing washers, P/N 205-8-112-27, in accordance with SIAI Marchetti Service Bulletin No. 205B29A dated December 15, 1971, or an FAA-approved equivalent. Identify the new scupper drain tubes by painting a ring of white paint approximately 1/8 inch wide on the recessed area of the scupper around the new drain tube where it extends through the scupper.
This amendment becomes effective 3 July, 1972.