AD 2017-06-03
Unsafe Condition
Malfunctioning of Meggitt (Troy), Inc. combustion heaters, which could lead to unsafe operation.
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Required Actions
Detailed repetitive inspections of the combustion heater, repetitive pressure decay tests, and disable/removal of the combustion heater if necessary.
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Compliance Time
Within 50 flight hours after the effective date of this AD.
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Affected Aircraft
Meggitt (Troy), Inc. (formerly Stewart Warner South Wind Corporation) Model Series 921, 930, 937, 940, 944, 945, 977, 978, 979, 8240, 8253, 8259, and 8472 combustion heaters installed on certain Beech, Britten-Norman, Cessna Aircraft Company, and Piper Aircraft, Inc. airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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