AD 97-03-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | Jetstream Model 4101 | Airworthiness Directives; Jetstream Model 4101 Airplanes |
Unsafe Condition
Overheating of the electrical ground posts (earth posts) for the DC power generation and de-icing systems of the left and right engines could result in failure of these systems.
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Required Actions
Within 300 hours time-in-service after the effective date, inspect each earth post and bracket for arcing, overheating, and lateral movement using Service Bulletin J41-24-033, Rev 2. If discrepancies are found, repair damage and replace the earth post before further flight. Inspect earth cables for arcing and overheating; replace damaged cables. Within 6 months after the effective date, replace all earth posts with new ones per the service bulletin.
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Compliance Time
Within 300 hours time-in-service after the effective date of this AD, and within 6 months after the effective date.
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Affected Aircraft
Jetstream Model 4101 airplanes with constructor numbers 41004 through 41074 inclusive.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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