AD Amdt-39-9845

final rule
Data completeness: 70%

Airworthiness Directives; Raytheon (Beech) Model 400A, 400T (Military T-1A), and 400T (Military TX) Series Airplanes

AD Number
Amdt-39-9845
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 96-NM-158-AD
FR Citation
61 FR 67195

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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