AD 2005-16-12

final rule
Data completeness: 70%

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

AD Number
2005-16-12
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2005-22070
FR Citation
70 FR 46752

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 10 flight cycles after the effective date

AI-generated summary from the source AD text. Verify against the official source before acting.

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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