AD 2005-16-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | Deutschland GmbH | Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (formerly Rolls-Royce Deutschland GmbH, formerly BMW Rolls-Royce GmbH) Model BR700-715A1-30, BR700-715B1-30, and BR700-715C1-30 Turbofan Engines |
Unsafe Condition
Incorrect capacitors were installed in 19 Independent Overspeed Protection (IOP) units, part number 112E9321G2. The incorrect capacitor in the IOP unit can lead to an inadvertent IOP command resulting in an in-flight engine shutdown.
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Required Actions
Within 10 flight cycles after the effective date, inspect each engine's IOP unit, part number 112E9321G2, for the affected serial numbers listed in Table 1. If both engines have IOP units listed in Table 1 installed, remove at least one of the IOP units from service before further flight. If one engine has an IOP unit listed in Table 1, remove the listed IOP from service no later than August 31, 2005.
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Compliance Time
Within 10 flight cycles after the effective date
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Affected Aircraft
Rolls-Royce Deutschland Ltd & Co KG (formerly Rolls-Royce Deutschland GmbH, formerly BMW Rolls-Royce GmbH) model BR700-715A1-30, BR700-715B1-30, and BR700-715C1-30 turbofan engines, specifically IOP units part number 112E9321G2 with the serial numbers listed in Table 1.
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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