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Airworthiness Directive

AD 2004-25-04 69 FR 71344 Active

Federal Aviation Administration · 14 CFR part 39

Requires you to inspect the drain valve to assure that it is inserted fully into the drain nipple and modify any drain valve found not to be inserted fully into the drain nipple.

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FR document
04-26915
Amendment
39-13891
Published
2004-12-09
Effective
2005-01-21
Models covered
1

Last live check: 2026-08-19

Printed from https://aircraftdirectives.com/ad/2004-25-04 · AircraftDirectives restates official FAA and manufacturer records; the official sources named on this sheet control. Not an airworthiness determination.

This page is a reference Record, not an airworthiness or compliance determination. Official FAA and manufacturer sources control over our restatement, subject to governing law. Check applicability, current requirements and incorporated documents before acting. The owner or operator remains responsible for airworthiness and required records under 14 CFR 91.403 and 91.417, as applicable. Terms of Use: /terms.

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AD

2004-25-04

FR doc 04-26915 · 69 FR 71344

AD 2004-25-04Published 2004-12-09Effective 2005-01-21

FAA rule - 14 CFR 39

FAA rule. Compliance with an applicable AD is required under 14 CFR 39.7. Check its effective date, applicability, compliance times and current status.

Requires you to inspect the drain valve to assure that it is inserted fully into the drain nipple and modify any drain valve found not to be inserted fully into the drain nipple.

Full official abstract

The FAA adopts a new airworthiness directive (AD) for all Mooney Aircraft Corporation (Mooney) Models M20B, M20C, M20D, M20E, M20F, M20G, and M20J airplanes equipped with an O & N Bladder Fuel Cell installed per Supplemental Type Certificate (STC) SA2277CE or STC SA2350CE. The STCs apply to all the affected airplane models except for Model M20B airplanes. Model M20B airplanes could have one of the STCs incorporated by field approval. This AD requires you to inspect the drain valve to assure that it is inserted fully into the drain nipple and modify any drain valve found not to be inserted fully into the drain nipple. This AD also requires certain modifications and replacements on the affected fuel cells to reduce the chances of water/ ice contamination. This AD is the result of reports of rainwater entering the fuel bladders and the information from the subsequent evaluation of the fuel systems. The actions specified by this AD are intended to assist in preventing water from entering the fuel bladders, which could result in rough engine operation or complete loss of engine power.

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All Mooney M20 directives

View on Federal Register (opens in a new tab) View this AD in FAA DRS (opens in a new tab) Print AD packet (opens the full Federal Register document in a new tab)

Applies to 1 model in our index