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Airworthiness Directive 2010-15-51

recurring
Official AD 2010-15-51 · FR doc 2010-19816 · 2010-08-18 · airframe

Airworthiness Directives; Agusta S.p.A. Model A119 and AW119 MKII Helicopters

What this AD requires

This document publishes in the Federal Register an amendment adopting Airworthiness Directive (AD) 2010-15-51, which was sent previously to all known U.S. owners and operators of Agusta S.p.A. (Agusta) Model A119 and AW119 MKII helicopters by individual letters. This AD requires, within 5 hours time-in-service (TIS), and thereafter at intervals not to exceed 50 hours TIS, removing the cover of each pilot and co-pilot control box assembly (control box) and inspecting each rotary variable differential transformer (RVDT) control gear locking pin (locking pin) for proper position. If a locking pin is recessed, extended, or missing, this AD requires replacing the control box before further flight. This amendment is prompted by a report that an RVDT locking pin that was installed on a Model AW119 MKII helicopter moved from its proper position, resulting in loss of connectivity of the pilot and co-pilot throttle controls. The actions specified by this AD are intended to prevent the RVDT locking pin from moving from its proper position, which could lead to loss of manual engine throttle control, and subsequent loss of control of the helicopter.

Repetitive inspection. Re-inspect every 50 hours. The next-due date/hours depend on this aircraft’s time in service — a records report computes it from the logbooks.

Which aircraft AD 2010-15-51 applies to

Applicability depends on the aircraft’s type certificate — check it against the specific tail.

Whether AD 2010-15-51 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.

How AD compliance is recorded

A valid compliance record (14 CFR 43.9) states:

Method of compliance — The specific action taken (inspected, replaced, modified) and to what revision.
Date — When the work was done.
Aircraft time — Total time in service / tach at compliance — how recurring next-due is computed.
Signature & certificate — The A&P/IA who returned it to service, with certificate number.
Is AD 2010-15-51 complied with on your aircraft?

Tailplate reads a tail number’s logbooks and matches every applicable AD — including this one — to its compliance evidence, with recurring next-due dates computed.

Look up a tail number →Read the full directive (Federal Register)

Applicability is derived from the FAA directive corpus and is advisory, not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.