AD 2009-02-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Turbomeca | Turmo IV A and IV C Series | Airworthiness Directives; Turbomeca Turmo IV A and IV C Series Turboshaft Engines |
Unsafe Condition
Deterioration of flexible lubrication pipes, part numbers 0 249 92 813 0, 0 249 92 916 0, and 0 249 92 808 0, manufactured after April 1, 2003, could result in oil leakage, leading to helicopter engine in-flight shutdown and potential emergency auto-rotation landing or accident.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Identify and inspect flexible lubrication pipes manufactured after April 1, 2003. Perform initial and repetitive borescope inspections of affected pipes, visual inspections for oil leakage, and visual inspections of the oil filter. Replace all remaining affected lubrication pipes (P/N 0 249 92 813 0, P/N 0 249 92 916 0, and P/N 0 249 92 808 0) with new part number pipes or pipes manufactured before April 1, 2003, as terminating action to repetitive inspections.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 45 days or 50 operating hours after the effective date of the AD, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Turbomeca Turmo IV A and IV C series turboshaft engines with oil-tank-to-oil-cooler flexible lubrication pipes, part numbers 0 249 92 813 0, 0 249 92 916 0, and 0 249 92 808 0, manufactured after April 1, 2003.
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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