AD 2004-25-06

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, and 747-300 Series Airplanes; and Model 747SP and 747SR Series Airplanes

AD Number
2004-25-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2004-19815
FR Citation
69 FR 70539

Applicability

TypeManufacturerModelDetails
aircraft Boeing 747-100 Airworthiness Directives; Boeing Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, and 747-300 Series Airplanes; and Model 747SP and 747SR Series Airplanes

Unsafe Condition

Unexpected disconnect of the autopilot during operation in reduced vertical separation minimum (RVSM) airspace, induced by the passing of another airplane within 1,000 feet below the airplane, which may result in altitude deviation and aggressive evasive action.

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

Required Actions

Revise the airplane flight manual to prohibit operation of the autopilot/flight director in command mode with performance management system selected on the speed mode switch during cruise in RVSM airspace.

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

Compliance Time

Before further flight

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

Affected Aircraft

Boeing Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300 series airplanes; and Model 747SP and 747SR series airplanes equipped with a performance management system.

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.