AD 92-08-06

final rule
Data completeness: 70%

Airworthiness Directives; BOEING Model 737-200 Series Airplanes

AD Number
92-08-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
91-NM-194-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
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.

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

Compliance Time

Within 10 days after September 5, 1989 (for AFM procedures) and within 6 months after May 29, 1992 (for MCP modification).

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

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.

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

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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