AD 2003-19-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | France Model EC 155B | Airworthiness Directives; Eurocopter France Model EC 155B Helicopters |
Unsafe Condition
Failure of the caution advisory display to warn of an engine governor failure, resulting in an engine over speed, loss of an engine, and subsequent loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Before further flight, determine if the red 'GOV' warning light on the front panel of the caution display illuminates appropriately during engine governing mode selector operation. If red crosses appear instead of the 'GOV' warning lights, replace the front panel with an airworthy part, part number 022TA0402.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Eurocopter France Model EC 155B helicopters, 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 6, 2026
Rights: U.S. Government Public Domain
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