# AD 80-13-03: Fuel Pumps - Type: Airworthiness directive - Status: Current - Products: Mooney M20E, M20F and M20J - Effective: June 20, 1980 - Superseded by: Nothing supersedes this AD - Product type: Aircraft, Small airplane - Amendment: 39-3791 - Docket: 80-ASW-26 - Registered aircraft: 2,975 may be affected, by airframe or engine model (OpenAirDocs) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6758DDFCCC0F637286256A4D004904A4.0001 - DRS record last changed: May 30, 2024 - Page: https://openairdocs.org/ad/80-13-03 ## The airworthiness directive 80-13-03 MOONEY: Amendment 39-3791. Applies to the following airplane models equipped with a Duke's Model 4140-00-19A electric emergency fuel pump: Model M20E (Serial Numbers 101 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 21-0060; and 21-1161 through 21-1180); Model M20F (Serial Numbers 660002 through 660004; 670001 through 670363; 670365 through 670385; 670387 through 670482; 670484 through 670539; 680001 through 680206; 690003 through 690090; 690092; 700001 through 700061; 700063 through 700066; 700070 through 700072; 22-0001 through 22-0078; and 22-1179 through 22-1438); Model M20J (Serial Numbers 24-0002 through 24-1030) airplanes. (Airworthiness Directive Docket No. 80-ASW-26.) Compliance is required within the next 25 hours' time in service after the effective date of this AD unless already accomplished. To prevent loss of both fuel pumps, accomplish the following: (a) Install an Air-Maze Model No. 00736ASSYR9W1822 fuel filter in accordance with Mooney Service Bulletin No. M20-222, "Installation of Inline Fuel Filter Between Dukes Auxiliary Fuel Pump and Engine Driven Pump," dated April 21, 1980, or FAA-approved equivalent. NOTE: As an approved alternate to installing the Air-Maze fuel filter, as required by paragraph (a) above, the Dukes Model 4140-00-19A fuel pump can be replaced by a Dukes Model 1499-00-19 fuel pump. (b) Special flight permits may be issued in accordance with FAR 21.197 and FAR 21.199 to fly airplanes to a base where this AD can be accomplished. (c) Any alternate 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. The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to the Service Parts Department, Mooney Aircraft Corporation, Post Office Box 72, Kerrville, Texas 78028. These documents may also be examined at the Office of the Regional Counsel, Southwest Region, FAA, 4400 Blue Mound Road, Fort Worth, Texas, and at the FAA Headquarters, 800 Independence Avenue, S.W., Washington, D.C. A historical file on this AD, which includes the incorporated material in full, is maintained by the FAA at their headquarters in Washington, D.C., and at the Southwest Regional Office in Fort Worth, Texas. This amendment becomes effective June 20, 1980. ## Affected data sheets (1) (OpenAirDocs) The type certificate data sheets whose models the AD names. - [TCDS 2A3](https://openairdocs.org/tcds/2A3): Mooney International Corporation; names 3 of 17 models: M20F, M20E, M20J ## Registered aircraft it may apply to (OpenAirDocs) Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment. - Aircraft: 2,975 (2,975 by airframe model, 0 by engine model) - Makers: Mooney 2,958, Aerostar Acft Corp Of Texas 17 Models with the most aircraft: - [Mooney M20J](https://openairdocs.org/model/mooney-m20j): 1,408 aircraft (airframe model) - [Mooney M20E](https://openairdocs.org/model/mooney-m20e): 829 aircraft (airframe model) - [Mooney M20F](https://openairdocs.org/model/mooney-m20f): 721 aircraft (airframe model) - [Aerostar Acft Corp Of Texas M20E](https://openairdocs.org/model/aerostar-acft-corp-of-texas-m20e): 9 aircraft (airframe model) - [Aerostar Acft Corp Of Texas M20F](https://openairdocs.org/model/aerostar-acft-corp-of-texas-m20f): 8 aircraft (airframe model) All 5 models: https://openairdocs.org/ad/80-13-03/models.md Every aircraft: https://openairdocs.org/ad/80-13-03/aircraft.md Its text cites no advisory circulars or STCs. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.