✈️FAA Issues Airworthiness Directive for Boeing 757 Airplanes
Airworthiness Directives; The Boeing Company Airplanes
Summary
The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 757 airplanes. This AD was prompted by reports of several occurrences of a power transfer unit (PTU) control valve that failed to open when commanded. This AD requires installing new relays and changing certain wire bundles leading to the PTU control valve. The FAA is issuing this AD to address the unsafe condition on these products.
Agencies
- Transportation Department
- Federal Aviation Administration
Business Impact
$$ - Med
The regulation introduces compliance requirements affecting approximately 467 U.S. registered Boeing Model 757 airplanes, necessitating installation of new relays and wire changes, impacting operational costs significantly, estimated at over $3 million for U.S. operators. Failure to comply could result in unsafe conditions, influencing business practices and safety protocols in aviation.