81-05-01 CESSNA: Amendment 39-4049. Applies to Model 152, A152, 172N, 172P, R172K and 172RG airplanes certificated in all categories with the following serial numbers: \n\n\nModel\nSerial Numbers \n152\n15283592\t thru\t15284627 \nA152\nA1520879 thru\tA1520952\n172N\n17272885 thru\t17274009 \n172P\n17274010\t thru\t17274357 \nR172K\nR1723200 thru\tR1723403 \n172RG\n172RG0001 thru\t172RG0698\n\n\tCOMPLIANCE: Required as indicated unless already accomplished. \n\n\tTo reduce the possibility of fuel depletion due to incorrect fuel quantity markings within the next 25 hours time-in-service after the effective date of the AD, accomplish the following: \n\n\tA)\tVisually inspect the airplane fuel tank access cover using Figure 1 to identify the fuel tank capacity. \n\n\tB)\tWhen the actual fuel tank capacity has been determined: \n\n\t\t1)\tVisually inspect the placarding adjacent to the fuel filler openings, to verify that these markings agree with the actual fuel tank capacity;and \n\n\t\t2)\tVisually inspect the placarding adjacent to the fuel tank selector valve, and fuel gauge markings to verify that these markings agree with the usable fuel for the fuel tanks installed. \n\n\tC)\tParagraph A and B of this AD may be accomplished by the holder of at least a private pilot certificate issued under Part 61 of the Federal Aviation Regulations on any airplane owned or operated by that person provided the airplane is not used in air carrier service. An entry must be made in the Aircraft Maintenance Records indicating compliance with this AD. \n\n\tD)\tReplace any incorrect fuel gauges, fuel tank selector valve placards and/or fuel tank filler placards with those compatible with the fuel tank capacity. \n\n\tE)\tWithin forty-eight (48) hours after compliance with this AD notify, in writing, the Chief, Aircraft Certification Program, Federal Aviation Administration, Room 238, Terminal Building No. 2299, Mid-Continent Airport, Wichita, Kansas 67209 of any incorrect fuel gauges, fuel tank selector valve placards and/or fuel tank filler placards found during AD compliance. One acceptable means of making these reports is Malfunction or Defect Reports (FAA Form 8010). (Reporting approved by the Office of Management and Budget under 0MB No. 04- R0174.) \n\n\tF)\tThe airplane may be flown in accordance with FAR 21.197 to a location where paragraph D) of this AD may be accomplished. \n\n\tG)\tAny equivalent method of compliance with this AD must be approved by the Chief, Aircraft Certification Program, FAA, Room 238, Mid-Continent Airport, Terminal Building No. 2299, Wichita, Kansas 67209; telephone (316) 942-4285. \n\n\tThis amendment becomes effective on March 2, 1981.\n\nFIGURE I\n\nFuel Tank \n\n\nLeft Side Shown \nRight Side Opposite