AD 89-19-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 747-100 Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-100B Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-100B SUD Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200B Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200C Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200F Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-300 Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400 Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400D Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400F Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
Unsafe Condition
Potential for uncommanded thrust operation due to engine control cable rupture.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect thrust control cables near the idler pulley for wear and strand separation within 60 days or 450 flight hours after the effective date. Replace the cable prior to further flight if wear or strand separation is found. Install a pressure attenuator and attaching hardware within one year after the effective date. Repeat inspections at intervals not exceeding 600 flight hours.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 60 days or 450 flight hours after the effective date of this AD, whichever occurs first. Within one year after the effective date for the installation requirement.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 747 series airplanes equipped with General Electric CF6-45 and CF6-50 engines, listed in Boeing Alert Service Bulletin 747-76A2071, Revision 1.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.