AD 92-08-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 737-200 Series | Airworthiness Directives; BOEING Model 737-200 Series Airplanes |
Unsafe Condition
Uncommanded changes to the target altitude displayed in the altitude window of the autopilot mode control panel (MCP) could occur due to electrical power interruptions or changes in ALT selection, leading to incorrect altitude capture by the autopilot.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Incorporate specified procedures into the AFM's Limitations Section within 10 days after September 5, 1989; modify the MCP within 6 months after May 29, 1992, per Boeing Alert Service Bulletin 737-22A1096; remove AFM limitations after MCP modification.
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Compliance Time
Within 10 days after September 5, 1989 (for AFM procedures) and within 6 months after May 29, 1992 (for MCP modification).
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Affected Aircraft
Boeing Model 737-200 series airplanes equipped with Sperry SP177 autopilot Flight Control Computers and Mode Control Panels (MCP), certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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