AD 2013-16-10
Unsafe Condition
The amount of corrosion detected during major inspections (MI) could result in propeller failure and loss of airplane control.
Required Actions
Perform an MI on the blades and hubs no later than seven years after the date since installation (DSI).
Compliance Time
Within 45 days after the effective date of this AD for Hamilton Sundstrand Corporation propeller models 14RF-9, 14RF-21, 14SF-5, 14SF-7, 14SF-11E, and 568F-1 that have an approved update to the ALS, and within one year after the effective date of this AD for Hamilton Standard Division propeller models 6/5500/F and 24PF and Hamilton Sundstrand Corporation propeller models 14RF-19, 14RF-37, 14SF-11, 14SF-15, 14SF-23, 14SF-17, 14SF-19, 247F-1, 247F-1E, 247F-3, 568F-1, 568F-5, and 568F-7 that do not have an approved update to the ALS.
Affected Aircraft
Hamilton Standard Division 6/5500/F and 24PF and Hamilton Sundstrand Corporation 14RF, 14SF, 247F, and 568F series propellers.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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