AD Amdt-39-9845
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Raytheon | Various | Airworthiness Directives; Raytheon (Beech) Model 400A, 400T (Military T-1A), and 400T (Military TX) Series Airplanes |
Unsafe Condition
The failure of locking tab washers on the roller attach bolt due to the absence of an inner tang could result in the loss of roller attach nuts and the flap roller, leading to reduced controllability of the airplane when subject to load limit conditions.
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Required Actions
Replace washers, tab washers, and flat washers with new and stronger parts as specified in Table 2 of the AD. Inspect roller attach nuts and bolts for discrepancies and replace discrepant parts. Install new washers on the attach bolts following Raytheon Service Bulletin No. 2522, Revision 1.
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Compliance Time
Prior to the accumulation of 200 hours time-in-service or within one year after the effective date of this AD, whichever occurs first.
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Affected Aircraft
Raytheon (Beech) Model 400A, 400T (Military T-1A), and 400T (Military TX) series airplanes listed in Service Bulletin No. 2522 and its revisions.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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