AD 2000-05-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 400A | Airworthiness Directives; Raytheon (Beech) Model 400A and 400T Series Airplanes |
| aircraft | Textron Aviation Inc. | 400T | Airworthiness Directives; Raytheon (Beech) Model 400A and 400T Series Airplanes |
Unsafe Condition
Incorrect wiring of the engine fire extinguisher bottle squibs could cause failure of the engine fire extinguisher bottle to discharge or discharge of the wrong engine fire extinguisher bottle.
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Required Actions
Within 50 flight hours after the effective date, perform a one-time inspection of the left and right engine fire extinguisher bottle squibs per Raytheon SB 26-3250. If incorrect wiring is found, repair it before further flight. Within 200 flight hours, modify and re-label the wiring per the same service bulletin.
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Compliance Time
Within 50 flight hours (inspection) and within 200 flight hours (modification) after the effective date
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Affected Aircraft
Raytheon (Beech) Model 400A (serials RK-45, RK-49 to RK-209) and 400T series (T-1A: TT-01 to TT-180; TX: TX-01 to TX-09)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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