AD 2004-22-28
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Raytheon | Aircraft Company Model B100 | Airworthiness Directives; Raytheon Aircraft Company Model B100 Airplanes |
Unsafe Condition
Loose 'B' nuts on the engine inlet that may loosen and permit a leak in the engine inlet anti-ice system, leading to failure of the system and consequent ice buildup.
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Required Actions
Drill a 0.035-inch hole in each of the hot tube 'B' nuts (part numbers AN818-6D and AN818-8D), tighten the 'B' nuts to specified torque ranges, and secure the 'B' nuts with safety wire.
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Compliance Time
Within the next 150 hours time-in-service (TIS) or 6 calendar months after December 27, 2004, whichever occurs first.
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Affected Aircraft
Raytheon Aircraft Company Model B100 airplanes, serial numbers BE-1 through BE-136, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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