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Airworthiness Directive 2009-10-14

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Official AD 2009-10-14 · FR doc E9-11518 · 2009-05-20 · propeller

Airworthiness Directives; Hartzell Propeller Inc. Steel Hub Turbine Propellers

What this AD requires

The FAA is adopting a new airworthiness directive (AD) for Hartzell Propeller Inc. steel hub turbine propellers, with any counterweight slug attachment bolts, part number (P/N) B-3386-14H, LFC manufacturing lot 224, installed. This AD requires identifying and removing all counterweight slug attachment bolts, P/N B-3386-14H, LFC manufacturing lot 224, from service and installing serviceable bolts. This AD results from two reports of failure of the bolts that attach the propeller blade counterweight slug, and separation of the counterweight slug which led to propeller vibration and damage to the propeller spinner. We are issuing this AD to prevent separation of the propeller blade counterweight slug, which could lead to injury and damage to the airplane.

Which aircraft AD 2009-10-14 applies to

MakesHartzell Propeller Inc.
ModelsHC-B3TN, HC-A3MVF, HC-A3VF, HC-B5MP, HC-B5MA, HC-B3TF, HC-B4TN, HC-B4MP, HC-B4MN, HC-B3MN, HC-3BTF
Part-conditional — B-3386-14H.

Applies only to steel hub turbine propellers listed in AD Table 1 with counterweight slug attachment bolt P/N B-3386-14H, LFC manufacturing lot 224, installed. Table 1 lists numerous propeller model/airplane combinations (e.g., Aero Commander, Aerospace Technologies, Air Tractor, Antonov, Ayres, BAE Jetstream, Beech, CASA, Cessna, DHC, Dornier, Douglas, Embraer, Fairchild, Flug & Fahrzeugwerke, Fuji, Grumman, Maule, and others); source text truncated before end of table.

Whether AD 2009-10-14 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 2009-10-14 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.