AD 2000-07-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-600 | Airworthiness Directives; Boeing Model 737-600, -700, and 800 Series Airplanes |
Unsafe Condition
Loose nuts installed on the bolts at each end of the input rods connected to each elevator power control unit (PCU), which could result in the loss of pivot bolts on the PCU and consequent loss of control of the airplane during takeoff and landing.
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Required Actions
Perform a one-time general visual inspection to determine if the nuts installed on the bolts at each end of the input rods connected to each elevator PCU are installed correctly. Tighten any loose nut found prior to further flight. Submit a report of any findings of loose nuts to the FAA within 10 days after accomplishing the inspection.
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Compliance Time
Within 30 days after the effective date of this AD.
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Affected Aircraft
Boeing Model 737-600, -700, and -800 series airplanes, line numbers 1 through 477 inclusive, 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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