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Wed, Mar 05, 2003

AD: Raytheon

AD NUMBER: 2003-04-26
MANUFACTURER: Raytheon
SUBJECT: Airworthiness Directive 2003-04-26


SUMMARY: This amendment adopts a new airworthiness directive (AD) that applies to certain Raytheon Aircraft Company (Raytheon) Model 1900D airplanes. This AD requires you to inspect the alternating current (AC) inverter and modify the AC inverter and inverter sync wire shield. This AD is the result of reports that electrical noise causes the inverter to shut down in flight with loss of AC-powered flight instruments. The actions specified by this AD are intended to prevent electrical noise causing the inverter to shut down, which could result in failure of key aircraft electrical systems. Such failure could lead to loss of flight instruments during flight.

FMI: www.avantext.com/DailyADIndex.ASP?AD=20030426

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