AD 2003-19-12

final rule
Data completeness: 70%

Airworthiness Directives; Eurocopter France Model EC 155B Helicopters

AD Number
2003-19-12
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 2003-SW-22-AD
FR Citation
68 FR 55433

Applicability

TypeManufacturerModelDetails
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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.