service bulletin

Also found in: Acronyms.

service bulletin (SB)

Advisory notices issued by aircraft, engine, and equipment manufacturers alerting owners and engineers to faults or problems requiring preventive or remedial maintenance, modification, or improvement in product performance. They are often referred to as mandatory by the manufacturer, but they do not have the legal force of airworthiness directives.
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References in periodicals archive ?
"Unless the updated G-switch is proven to be installed," the service bulletin says, "the part must be returned [to an authorized service center] for replacement of the original G-switch with an updated switch."
Its name changed from the Bulletin of the Children's Book Center (itself changed from Service Bulletin in 1949) to the Bulletin of the Center for Children's Books.
"This initial service bulletin will be followed shortly by another one calling for fleet-wide inspections of the affected part.
The service bulletin noted, "Engines that have accumulated any flight time must have the engine disassembled and, using non-destructive testing methods, the crankshaft inspected for the presence of fatigue cracking or piston and connecting rod damage caused by incipient, moderate, or severe detonation.
That's because McFarlane Aviation in Baldwin, Kansas, recently issued a service bulletin for its FAA-PMA aftermarket universal joints that attach the control tube to the shaft for controlling the flight control surfaces in Cessna models.
Under the agreement, services by Airbus will be responsible for Service Bulletin (SB) and aircraft cabin parts-kit delivery.
A service bulletin leaked by Bimmerpost and reported by Autoblog stated that the suspect differential is utilised in the M2 Coupe, M3 Sedan, M4 Coupe and Convertible, M6 Coupe and Convertible, M5, 5 Series Sedan and the 6 Series Gran Coupe, Coupe and Convertible.
Beginning in November, the solution is expected to be available via a Dassault Service Bulletin at any authorized Falcon service facility for Falcon 900, Falcon 2000 and Falcon 7X aircraft with EASy II flight decks.
The service bulletin is a document to be prepared by Boeing that contains technical information and detailed explanations of the battery system fix.
Even as Hurricane Isaac weakened to a tropical depression Friday, bringing heavy rain and flash floods in Mississippi and the lower Ohio River valley, Hurricane Kirk, the fifth hurricane in the Atlantic hurricane season, advanced toward the northeast at 26 km per hour, a National Weather Service Bulletin said.
Spirit AeroSystems Inc (NYSE: SPR) yesterday announced it has been selected by GOL Linhas Aereas Inteligentes to provide Next-Generation Boeing 737-700 and 737-800 CFM56-7 thrust reverser service bulletin modifications and repair services.