AD 2005-07-20

final rule
Data completeness: 80%

Airworthiness Directives; Boeing Model 737-600, -700, -800, and -900 Series Airplanes

AD Number
2005-07-20
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2004-19986
FR Citation
70 FR 17603

Applicability

TypeManufacturerModelDetails
aircraft Boeing 737-600 Airworthiness Directives; Boeing Model 737-600, -700, -800, and -900 Series Airplanes

Unsafe Condition

Anomalous autopilot operation that produces a hazardous combination of airplane attitude and airspeed, which could result in loss of control of the airplane.

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Required Actions

Install and test an updated version of the operational program software of the enhanced digital flight control system (EDFCS) flight control computers (FCCs), in accordance with Boeing Alert Service Bulletin 737-22A1164.

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Compliance Time

Within 12 months after the effective date of this AD.

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Affected Aircraft

Boeing Model 737-600, -700, -800, and -900 series airplanes, certificated in any category, as identified in Boeing Alert Service Bulletin 737-22A1164, dated May 20, 2004.

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Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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