# AD 86-22-09: Fuel Line Nipple - Type: Airworthiness directive - Status: Historical - Products: Univair 415-C, 415-CD, 415-D, E, F-1, F-1A and G - Effective: November 13, 1986 - Superseded by: [AD 2002-16-04](https://openairdocs.org/ad/2002-16-04) - Product type: Aircraft, Small airplane - Amendment: 39-5457 - Registered aircraft: 1,101 may be affected, by airframe or engine model (OpenAirDocs) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7F5B66DFD61ED3D386256A4D0047D269.0001 - DRS record last changed: August 7, 2025 - Page: https://openairdocs.org/ad/86-22-09 ## The airworthiness directive 86-22-09 UNIVAIR AIRCRAFT CORPORATION: Amendment 39-5457. Applies to Model (Ercoupe) 415, -C, -CD, -D, -E, -G (all serial numbers), and (Forney) Models F1 and F1A (all serial numbers) airplanes certificated in any category. Compliance: Required within the next 25 hours time-in-service after the effective date of this AD or at the next annual inspection whichever occurs first, unless already accomplished. To prevent possible fuel leakage and loss of engine power, accomplish the following: (a) Visually inspect the fuel line nipple located between the gascolator and the carburetor for cracks, incorrect alignment or over torque and prior to further flight replace as necessary, the nipple from a AN911-2D (aluminum) to a AN911-02 (brass or steel) fitting as described in Univair Aircraft Corporation, Ercoupe Bulletin No. 24A dated August 22, 1986. (b) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished. (c) An equivalent means of compliance with this AD may be used if approved by the Manager, Denver Aircraft Certification Office, Northwest Mountain Region, 10455 East Avenue, Suite 307, Aurora, Colorado 80010. All persons affected by this directive may obtain copies of the document(s) referred to herein upon request to Univair Aircraft Corporation, 2500 Himalaya Road, Aurora, Colorado 80011; or FAA, Office of the Regional Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106. This amendment becomes effective on November 13, 1986. ## Affected data sheets (3) (OpenAirDocs) The type certificate data sheets whose models the AD names. - [TCDS A-787](https://openairdocs.org/tcds/A-787): Univair Aircraft Corporation; names 3 of 8 models: F-1A, F-1, 415-D - [TCDS A-718](https://openairdocs.org/tcds/A-718): Univair Aircraft Corporation; names 2 of 2 models: 415-CD, 415-C - [TCDS TC 674](https://openairdocs.org/tcds/TC%20674): Dart Aircraft Corporation; names 1 of 4 models: G ## 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: 1,101 (1,101 by airframe model, 0 by engine model) - Makers: Ercoupe 793, Engineering & Research 200, Forney 79, Erco 12, Aircoupe 10, Dart 5, Monocoupe 1, Univair 1 Models with the most aircraft: - [Ercoupe 415-C](https://openairdocs.org/model/ercoupe-415-c): 623 aircraft (airframe model) - [Engineering & Research 415-C](https://openairdocs.org/model/engineering-research-415-c): 160 aircraft (airframe model) - [Ercoupe 415-D](https://openairdocs.org/model/ercoupe-415-d): 101 aircraft (airframe model) - [Forney F-1](https://openairdocs.org/model/forney-f-1): 50 aircraft (airframe model) - [Ercoupe 415-CD](https://openairdocs.org/model/ercoupe-415-cd): 48 aircraft (airframe model) - [Engineering & Research 415-D](https://openairdocs.org/model/engineering-research-415-d): 24 aircraft (airframe model) - [Ercoupe G](https://openairdocs.org/model/ercoupe-g): 21 aircraft (airframe model) - [Forney 415-C](https://openairdocs.org/model/forney-415-c): 17 aircraft (airframe model) - [Engineering & Research 415-CD](https://openairdocs.org/model/engineering-research-415-cd): 16 aircraft (airframe model) - [Aircoupe F-1A](https://openairdocs.org/model/aircoupe-f-1a): 10 aircraft (airframe model) - [Forney F-1A](https://openairdocs.org/model/forney-f-1a): 8 aircraft (airframe model) - [Erco 415-C](https://openairdocs.org/model/erco-415-c): 7 aircraft (airframe model) - [Dart G](https://openairdocs.org/model/dart-g): 5 aircraft (airframe model) - [Erco 415-D](https://openairdocs.org/model/erco-415-d): 4 aircraft (airframe model) - [Forney 415-D](https://openairdocs.org/model/forney-415-d): 2 aircraft (airframe model) - [Forney 415-CD](https://openairdocs.org/model/forney-415-cd): 1 aircraft (airframe model) - [Erco 415-CD](https://openairdocs.org/model/erco-415-cd): 1 aircraft (airframe model) - [Forney G](https://openairdocs.org/model/forney-g): 1 aircraft (airframe model) - [Monocoupe G](https://openairdocs.org/model/monocoupe-g): 1 aircraft (airframe model) - [Univair 415-D](https://openairdocs.org/model/univair-415-d): 1 aircraft (airframe model) All 20 models: https://openairdocs.org/ad/86-22-09/models.md Every aircraft: https://openairdocs.org/ad/86-22-09/aircraft.md ## Related documents - [AD 2002-16-04](https://openairdocs.org/ad/2002-16-04): Fuel Line Nipples, Aluminum Fuel Line elbows, and Gascolator ยท Univair 415-C, 415-CD, 415-D and 4 more. Effective Sep 13, 2002. Supersedes this AD 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.