AD 2005-18-09

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 757-200 and -300 Series Airplanes and Model 767 Series Airplanes

AD Number
2005-18-09
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2005-20352
FR Citation
70 FR 53053

Applicability

TypeManufacturerModelDetails
aircraft Boeing 757-200 and -300 Airworthiness Directives; Boeing Model 757-200 and -300 Series Airplanes and Model 767 Series Airplanes

Unsafe Condition

Reports of 'old' or expired air traffic control (ATC) clearance messages being displayed on the control display unit (CDU) of the Pegasus flight management computer (FMC) system during subsequent flights.

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

Required Actions

Replace the existing operational software of the Pegasus FMC system with new, improved operational software. Operators may use specific service bulletins as an optional method of compliance.

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Compliance Time

Before further flight

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Affected Aircraft

Boeing Model 757-200 and -300 series airplanes and Model 767 series airplanes with Air Traffic Services Data Link (ATS DL) enabled.

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

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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