SBs not mandatory, FAA counsel says
August 28, 2006 AOPA SBs not mandatory, FAA counsel says The FAA lawyers have spoken: Service bulletins (SBs) are not - repeat not - mandatory for most Part 91 aircraft operators. That's exactly the decision AOPA had encouraged and expected. That had been everyone's u...Tags: SB, mandatory, FAA, AOPA, Service Bulletin, Airworthiness Directive, Maintenance, Required, ELSA, SLSA, Part 91, issue, aircraft