Airworthiness directives › 2010-23-06
AD 2010-23-06 Airworthiness Directives; McCauley Propeller Systems Five-Blade Propeller Assemblies
Makes named: mccauley. Models named: 4100 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to McCauley Propeller Systems propeller assemblies, part numbers (P/Ns) B5JFR36C1101/114GCA-0, C5JFR36C1102/L114GCA-0, B5JFR36C1103/114HCA-0, and C5JFR36C1104/L114HCA-0. These propeller assemblies are installed on BAE Systems (Operations) Limited Jetstream Model 4100 series airplanes.
Compliance
You are responsible for having the actions required by this AD performed within the compliance times specified unless the actions have already been done. Propeller Hub Reduced Life Limits (f) For any propeller assembly, P/N B5JFR36C1101/114GCA-0, C5JFR36C1102/L114GCA-0, B5JFR36C1103/114HCA-0, or C5JFR36C1104/L114HCA-0, with a hub that exceeds 6,000 hours time-since-new (TSN) on the effective date of this AD, remove the propeller hub from service within 250 hours time-in-service after the effective date of this AD. (g) For any propeller assembly, P/N B5JFR36C1101/114GCA-0, C5JFR36C1102/L114GCA-0, B5JFR36C1103/114HCA-0, or C5JFR36C1104/L114HCA-0, with a hub with fewer than 6,000 hours TSN, remove the propeller hub from service not later than 6,000 hours TSN. Prohibition of Hubs Exceeding Life Limit (h) After the effective date of this AD, don't install any hub removed from any propeller assembly that was removed by paragraphs (f) or (g) of this AD into any propeller assembly. Alternative Methods of
Unsafe condition
This AD results from a report of a cracked propeller hub. We are issuing this AD to prevent cracked propeller hubs, which could cause failure of the propeller hub, blade separation, and loss of control of the airplane.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1