AD 2005-24-08
Unsafe Condition
Cracked propeller hubs, which could cause failure of the propeller hub, blade separation, and loss of control of the airplane.
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Required Actions
Remove propeller hubs from service based on specific time-in-service (TIS) limits: 6,000 hours for hubs operated on engines with a water-methanol assist system, 18,000 hours for other hubs, and within 50 hours TIS after the effective date for hubs exceeding their life limit on the effective date. Perform an eddy current inspection (ECI) within 200 hours TIS or 60 days after the effective date for all installed propeller hubs. For hubs with 12,000 or more hours TIS, perform repetitive ECIs within 1,800 hours TIS or 12 months, whichever occurs first.
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Compliance Time
Within 50 hours time-in-service after the effective date for hubs exceeding their life limit on the effective date.
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Affected Aircraft
McCauley Propeller Systems propeller assemblies, part numbers B5JFR36C1101/114GCA-0, C5JFR36C1102/L114GCA-0, B5JFR36C1103/114HCA-0, and C5JFR36C1104/L114HCA-0, installed on BAE Systems (Operations) Limited Jetstream model 4100 series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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