Search FAA Documents

11 results found (1360ms)

Sort by: Date AD Number

2018-17-08

final rule

Airworthiness Directives; Rolls-Royce plc Turbojet Engines

Unsafe Condition: prevent failure of life-limited parts, which could result in uncontained part release, damage to the engine, and damage to the airplane.

Effective: Sep 25, 2018 Category: engine Compliance: Within 30 days after the effective date of this AD

Why matched: Airworthiness Directives; Rolls-Royce plc Turbojet Engines

2018-09-07

final rule

Airworthiness Directives; Rolls-Royce plc Turbojet Engines

Unsafe Condition: An engine mainline bearing failure occurred on a Viper Mk. 632-43 engine because of debris being present in the engine oil system. The debris entered the oil system through a damaged oil pressure f...

Effective: May 24, 2018 Category: engine Compliance: Within 25 flight hours or 30 days

Why matched: Airworthiness Directives; Rolls-Royce plc Turbojet Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2005-07-10

final rule

Airworthiness Directives; Rolls-Royce (1971) Limited, Bristol Engine Division Model Viper Mk.601-22 Turbojet Engines

Unsafe Condition: Multiple failures of 1st stage turbine rotor blades that could result in a dual-engine shutdown.

Effective: May 5, 2005 Category: engine Compliance: Within 50 to 200 flight hours or within 6 weeks to 6 months, depending on the specific condition ...

Why matched: Airworthiness Directives; Rolls-Royce (1971) Limited, Bristol Engine Division Model Viper Mk.601-22 Turbojet Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

98-26-07

final rule

Airworthiness Directives; Rolls-Royce Limited, Bristol Engines Division, Viper Models Mk.521 and Mk.522 Turbojet Engines

Unsafe Condition: High pressure (HP) fuel pump drive shaft failures resulting in in-flight engine shutdowns due to reduced lubricity properties of fuel contaminated by water.

Effective: Feb 16, 1999 Category: engine Compliance: Prior to 160 hours time in service (TIS) after the effective date, at the next shop visit after t...

Why matched: Airworthiness Directives; Rolls-Royce Limited, Bristol Engines Division, Viper Models Mk.521 and Mk.522 Turbojet Engines

Technical illustration of an aircraft fuel pump, filter, valve, and lines
Problem area Fuel system

Amdt-39-10947

final rule

Airworthiness Directives; Rolls-Royce Limited, Bristol Engines Division, Viper Models Mk.521 and Mk.522 Turbojet Engines

Unsafe Condition: Reports of high pressure (HP) fuel pump drive shaft failures resulting in in-flight engine shutdowns, attributed to reduced lubricity properties of fuel caused by water contamination.

Effective: Feb 16, 1999 Category: engine Compliance: Within 18 months after the effective date of the AD, or earlier as specified.

Why matched: Airworthiness Directives; Rolls-Royce Limited, Bristol Engines Division, Viper Models Mk.521 and Mk.522 Turbojet Engines

98-25-14

final rule

Rolls-Royce plc Viper Mk. 521, 522, 526 and 601 Series Engines

Unsafe Condition: A high pressure fuel leak, which could result in an engine nacelle fire and damage to the aircraft.

Effective: Feb 12, 1999 Category: engine Compliance: Inspect within 2 months or 100 hours time in service (TIS) after the effective date of this AD, w...

Why matched: Rolls-Royce plc Viper Mk. 521, 522, 526 and 601 Series Engines

Amdt-39-10940

final rule

Airworthiness Directives; Rolls-Royce Limited, Bristol Engines Division and Rolls-Royce (1971) Limited, Bristol Engines Division Viper Series Turbojet Engines

Unsafe Condition: High pressure fuel leak at the BFCU augmentor and bypass valve assembly joint washer interface, which could result in an engine nacelle fire and damage to the aircraft.

Effective: Feb 12, 1999 Category: engine Compliance: Within 2 months or 100 hours time in service (TIS) after the effective date, or at the next engin...

Why matched: Airworthiness Directives; Rolls-Royce Limited, Bristol Engines Division and Rolls-Royce (1971) Limited, Bristol Engines Division Viper Series Turbojet Engines

92-10-07

final rule

ROLLS-ROYCE PLC Models Viper Mk. 521, Mk. 522, and Mk. 601 Engines

Unsafe Condition: Failure of high pressure compressor (HPC) rotor disks, causing an engine failure.

Effective: Sep 21, 1992 Category: engine Compliance: Within the next 100 cycles in service (for disks with 12,500+ cycles since new as of effective da...

Why matched: ROLLS-ROYCE PLC Models Viper Mk. 521, Mk. 522, and Mk. 601 Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

80-02-05

final rule

ROLLS ROYCE LIMITED Model Viper MK 601-22 Engines

Unsafe Condition: Failure of the flexible fuel hose assembly, Rolls Royce P/N DX 33-180-300.

Effective: Jan 24, 1980 Category: engine Compliance: Within 250 hours engine time in service after the effective date of this AD

Why matched: ROLLS ROYCE LIMITED Model Viper MK 601-22 Engines

Technical illustration of an aircraft fuel pump, filter, valve, and lines
Problem area Fuel system

77-13-20

final rule

ROLLS ROYCE (1971), LTD Model Bristol Viper MK. 522 and MK. 601-22 Engines

Unsafe Condition: Interference between the engine throttle control rod and the high pressure fuel shutoff valve could result in inability to actuate fuel shutoff.

Effective: Aug 1, 1977 Category: engine Compliance: within the next 500 hours engine time in service after the effective date of this AD

Why matched: ROLLS ROYCE (1971), LTD Model Bristol Viper MK. 522 and MK. 601-22 Engines

76-24-05

final rule

ROLLS-ROYCE (1971) LIMITED Models Bristol Viper Mk 601-22 Engines

Unsafe Condition: Possible turbine disc damage

Effective: Dec 14, 1976 Category: engine Compliance: within the next 150 hours time in service after the effective date of this AD

Why matched: ROLLS-ROYCE (1971) LIMITED Models Bristol Viper Mk 601-22 Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine