AD 88-22-07

88-22-07 CESSNA: Amendment 39-6050. Applies to all TP206, TU206, T207, T210 and P210 Series airplanes (all serial numbers) certificated in any category.

Compliance: Required within the next 75 hours time-in-service after the effective date of this AD, unless already accomplished.

To prevent power loss or fire due to failure of certain Aeroquip 601 hose assemblies, accomplish the following:

(a) Visually inspect all of the exterior metal braided flex hose assemblies, including firesleeve hose assemblies, in the engine compartment. If the Aeroquip Part Number AE701 appears on the hose identification tag, no further action is required per this AD.

(b) If the hose identification tag displays the model/part number suffix 601, accomplish the following:

(1) Determine if the hose is identified with a cure date 1Q84 through 3Q87. NOTE: The cure date refers to the quarter and year of manufacture, for example, 1Q84 refers to a hose manufactured in the firstquarter of 1984.

(2) Review the airplane/engine log books or records to determine if any engine compartment Model 601 hose was replaced between April, 1984 and May, 1988.

(3) If the hose identification tag indicates that the hose was not manufactured with a cure date of 1Q84 through 3Q87 and the above review of the log books indicates that no Model 601 hoses were replaced between April, 1984 and May, 1988, no further action is required per this AD.

(4) If any engine compartment Model 601 hose displays a manufactured code date of 1Q84 through 3Q87, if there is no manufacturing code tag, or the engine/airplane logs/records indicate that a Model 601 hose was installed between April 1984, and May, 1988, replace the suspect hoses as follows:

(i) Prior to further flight replace the waste gate supply hose assembly, Aeroquip P/N 601000-4-0310 or the hose identified as Cessna S1236-4-0310 supplied by sources other than Cessna, or as identified above with an AeroquipP/N AE3663162E0310 hose or equivalent in accordance with Cessna Service Bulletin SEB 88-5, dated June 24, 1988, or with an Aeroquip 601000-4-0310 hose assembly displaying a manufacturing cure date of 4Q87 or subsequent.

(ii) Within the next 12 calendar months, replace all other suspect Aeroquip 601 type hose assemblies in the engine compartment with a serviceable hose displaying a manufacturing cure date of 4Q87 or subsequent.

(c) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished.

(d) An equivalent means of compliance with this AD may be used, if approved by the Manager, Wichita Aircraft Certification Office, Federal Aviation Administration, 1801 Airport Road, Room 100, Mid-Continent Airport, Wichita, Kansas 67209.

All persons affected by this AD may obtain copies of the documents referred to herein upon request to the Cessna Aircraft Company, Piston Aircraft Marketing Division, P.O. Box 1521, Wichita, Kansas67201. These documents may also be examined at the FAA, Office of the Assistant Chief Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106.

This amendment, 39-6050, becomes effective on November 24, 1988.