AD NUMBER: 2004-14-20
MANUFACTURER: Cessna
SUBJECT: Airworthiness Directive 2004-14-20
SUMMARY: The FAA supersedes Airworthiness
Directive (AD) 2003-21-07, which applies to certain The Cessna
Aircraft Company (Cessna) Model 525 airplanes. AD 2003-21-07
currently requires you to disengage the pitch trim circuit breaker
and AP servo circuit breaker and then tie strap each of them to
prevent them from being engaged. Not utilizing this equipment
prevents a single-point failure.