78-26-12 CESSNA: Amendment 39-3382. Applies to Models 210G, H, J (Serial Number 21058819 through 21059199); 210M, N (Serial Numbers 21062274 through 21063025); T210G, H, J (Serial Number T210-0198 through T210-0454 and 21058140); T210M, N (Serial Numbers 21062274 through 21063025); and P210N (Serial Numbers P21000001 through P21000141) airplanes.
COMPLIANCE: Required as indicated unless already accomplished.
To detect binding of fuel quantity transmitter float arms and assure proper operation of the fuel quantity indicating system accomplish the following:
A) On Models 210M, N and T210M, N (Serial Numbers 21062761 through 21063025) and P210N (Serial Numbers P21000063 through P21000141) airplanes, before next flight (except that the airplane may be flown to a location where this inspection may be accomplished, provided the pilot visually verifies through the fuel filler neck that adequate fuel is available to complete the flight), completely fill, then drain the leftand right fuel tanks with the engine inoperative and the airplane stationary in the level ground attitude. Observe the fuel quantity gauge during draining and upon completion of drainage, verify that the respective fuel quantity gauge indicates empty. Remove any Cessna P/N C668002-0101 or -0102 fuel quantity transmitter from which an erroneous fuel quantity reading is observed and check for binding of the float arm. Replace any fuel quantity transmitter found binding with an airworthy component. After replacement, check for fuel leaks and proper functioning of the fuel gauging system.
B) For Models 210G, H, J, M (Serial Numbers 21058819 through 21059199 and 21062274 through 21062760), T210G, H, J, M (Serial Numbers T210-0198 through T210-0454, 21058140 and 21062274 through 21062760) and P210N (Serial Numbers P21000001 through P21000062) airplanes, before next flight, review the aircraft maintenance records to determine if a fuel quantity transmitter has been replaced since June7, 1978.
1. If a fuel quantity transmitter has not been replaced since June 7, 1978, make an entry in the aircraft maintenance records indicating that this Airworthiness Directive has been accomplished and the airplane may be returned to service.
2. If a fuel quantity transmitter has been replaced since June 7, 1978, comply with the requirements of Paragraph A).
C) The review of the aircraft maintenance records required by Paragraph B) may be accomplished by the holder of a Pilot's Certificate issued under Part 61 of the Federal Aviation Regulations on any aircraft owned or operated by that person.
D) Any equivalent method of compliance with this AD must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.
Cessna Service Letter SE 78-69, dated November 15, 1978, or later approved revisions pertains to the subject matter of this AD.
This amendment becomes effective on January 4, 1979, to all persons except those to whom it has already been made effective by an airmail letter from the FAA dated November 15, 1978.