AD 2008-05-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company CF34-8C1/-8C5/-8C5B1/-8E5/-8E5A1 | Airworthiness Directives; General Electric Company CF34-8C1/-8C5/-8C5B1/-8E5/-8E5A1, and CF34-10E Series Turbofan Engines |
Unsafe Condition
Miswired (reversed polarity) input wires to the overspeed solenoid in the fuel metering unit (FMU) may cause the engine to fail to shutdown during an overspeed, potentially leading to uncontained engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct a one-time test of the FMU to detect a miswired overspeed solenoid condition. Correct any miswiring found during the test.
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
General Electric Company CF34-8C1/-8C5/-8C5B1/-8E5/-8E5A1, and CF34-10E series turbofan engines with certain part number (P/N) and serial number (SN) fuel metering units (FMU) installed.
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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