AD 2007-20-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Raytheon | Various | Airworthiness Directives; Hawker Beechcraft Corporation (Type Certificate No. A00010WI Previously Held by Raytheon Aircraft Company) Model 390 Airplanes |
| aircraft | Beechcraft | Corporation Model 390 | Airworthiness Directives; Hawker Beechcraft Corporation (Type Certificate No. A00010WI Previously Held by Raytheon Aircraft Company) Model 390 Airplanes |
Unsafe Condition
Reports of a manufacturing error where certain starter-generators may have been improperly shimmed, which could result in premature starter-generator failure and increased chances of dual starter-generator failure on the same flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the left-hand and right-hand starter-generators to determine the serial number and suffix letter. Replace any improperly shimmed starter-generator with a properly shimmed starter-generator.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 50 hours time-in-service (TIS) after November 7, 2007, or within the next 3 months after November 7, 2007, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Hawker Beechcraft Corporation Model 390 airplanes, serial numbers RB-1 and RB-4 through RB-149, certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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