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Airworthiness Directive

AD 2011-05-07 76 FR 11324 Active

Federal Aviation Administration · 14 CFR part 39

FR document
2011-4160
Amendment
39-16616
Published
2011-03-02
Effective
2011-03-17
Models covered
1
Last live check
2026-10-01

Printed from https://aircraftdirectives.com/ad/2011-05-07 · 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

2011-05-07

FR doc 2011-4160 · 76 FR 11324

AD 2011-05-07Published 2011-03-02Effective 2011-03-17

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 repetitively inspecting the interior and the exterior of the main tubular spar of the rudder assembly for corrosion, taking necessary corrective action if corrosion is found, and applying corrosion protection.

Full official abstract

We are superseding an existing airworthiness directive (AD) for the products listed above. That AD currently requires repetitively inspecting the interior and the exterior of the main tubular spar of the rudder assembly for corrosion, taking necessary corrective action if corrosion is found, and applying corrosion protection. This AD retains the requirements of the previous AD and changes the compliance time for certain products listed above. This AD was prompted by our determination that the compliance time specified for Models G-164, G- 164A, and G-164B airplanes does not adequately address the unsafe condition. We are issuing this AD to detect and correct corrosion in the rudder main tubular spar, which could result in failure of the rudder main spar tube. This failure could lead to loss of directional control.

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All Grumman G-164 Ag-Cat directives

View on Federal Register (opens in a new tab) View this AD in FAA DRS (opens in a new tab)

Applies to 1 model in our index