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2004-09-29 Recurring

final rule

Airworthiness Directives; Honeywell International Inc. (Formerly AlliedSignal Inc., Garrett Turbine Engine Company, and AiResearch Manufacturing Company of Arizona) TPE331-10 and -11 Series Turboprop Engines

Unsafe Condition: The FAA is adopting a new airworthiness directive (AD) for Honeywell International Inc. (formerly AlliedSignal Inc., Garrett Turbine Engine Company, and AiResearch Manufacturing Company of Arizona)...

Effective: Jun 15, 2004 Category: engine

Why matched: Airworthiness Directives; Honeywell International Inc. (Formerly AlliedSignal Inc., Garrett Turbine Engine Company, and AiResearch Manufacturing Company of Arizona) TPE331-10 and -11 Series Turboprop Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine
View Details View AD (PDF) ↗

85-14-02 R2

final rule

Airworthiness Directives; GARRETT AUXILIARY POWER DIVISION (FORMERLY GARRETT TURBINE ENGINE \\nCOMPANY AND THE AIRESEARCH MANUFACTURING COMPANY OF ARIZONA): GTEC Models GTCP331-200A, -200AC, -200C, -200ER, -250F, -25OH, and -200P Auxiliary Power Units

Unsafe Condition: Uncontained APU cooling fan failure

Effective: Feb 22, 1989 Category: appliance Compliance: Within 1,000 airplane hours time-in-service after August 15, 1985, or prior to September 15, 1985...

Why matched: Airworthiness Directives; GARRETT AUXILIARY POWER DIVISION (FORMERLY GARRETT TURBINE ENGINE \\nCOMPANY AND THE AIRESEARCH MANUFACTURING COMPANY OF ARIZONA): GTEC Models GTCP331-200A, -200AC, -200C, -200ER, -250F, -25OH, and -200P Auxiliary Power Units

View Details Official Source ↗

84-20-51

final rule

GARRETT TURBINE ENGINE COMPANY (GTEC) (formerly AiResearch Manufacturing Company of Arizona) Models ATF3-6-4C, -6A-3C, and -6A- 4C Engines

Unsafe Condition: The possibility of an uncontained engine failure due to seal/rotor contact and/or seal looseness in the stationary seal/sixth stage low pressure turbine rotor assembly area.

Effective: Dec 26, 1984 Category: engine Compliance: Prior to the accumulation of an additional 5 hours in service after the effective date of this AD...

Why matched: GARRETT TURBINE ENGINE COMPANY (GTEC) (formerly AiResearch Manufacturing Company of Arizona) Models ATF3-6-4C, -6A-3C, and -6A- 4C Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine
View Details Official Source ↗

80-16-04

final rule

AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Models TFE-731-2, -3, -3R Engines

Unsafe Condition: Separation of tie rod P/N 3070065-1 with serial numbers listed in the AD could cause potential massive engine failure.

Effective: Aug 7, 1980 Category: engine Compliance: Within 150 operating hours after the effective date of this AD for engines listed in paragraph (a...

Why matched: AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Models TFE-731-2, -3, -3R Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine
View Details Official Source ↗

73-26-07 R3

final rule

AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TPE331-1, -2, -3, -5, -6, -25, -29, -43, -45, -47, -51, -55, -57, -61, and TSE331-3 Series Engines

Unsafe Condition: Abnormal wear of the fuel pump shaft internal drive splines and coupling shaft external splines exceeding specified limits could result in fuel pump failure, leading to engine power loss.

Effective: Jul 31, 1980 Category: engine Compliance: Within the next 25 hours additional time in service or prior to exceeding specified service limit...

Why matched: AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TPE331-1, -2, -3, -5, -6, -25, -29, -43, -45, -47, -51, -55, -57, -61, and TSE331-3 Series Engines

Technical illustration of an aircraft fuel pump, filter, valve, and lines
Problem area Fuel system
View Details Official Source ↗

78-25-08 R3

final rule

AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TSE331-3 and TPE331-1, -2, -3, -5, -6 Series Engines

Unsafe Condition: Destructive overspeed of the turbine rotor in the event of any one of several single engine failures in the main reduction gear drive.

Effective: Jun 12, 1980 Category: engine Compliance: Within the next 3100 hours' time in service after July 1, 1979, or at the next overhaul after Jul...

Why matched: AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TSE331-3 and TPE331-1, -2, -3, -5, -6 Series Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine
View Details Official Source ↗

79-18-12

final rule

Airworthiness Directives; AiResearch Manufacturing Company of Arizona: Applies to Model GTCP85 series Auxiliary Power Units (APUs)

Unsafe Condition: The release of high energy turbine wheel blade fragments due to turbine wheels with Part Number 968095-1, -3, -5, or 3604604-1 installed in Model GTCP85 series APUs.

Effective: Oct 8, 1979 Category: appliance Compliance: Within the next 3,000 operating cycles after the effective date of this AD, whichever occurs firs...

Why matched: Airworthiness Directives; AiResearch Manufacturing Company of Arizona: Applies to Model GTCP85 series Auxiliary Power Units (APUs)

View Details Official Source ↗

79-12-04

final rule

AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TPE 331-10-501G Engines

Unsafe Condition: Failure of the forged third stage turbine wheel blade could result in total loss of power of one or more engines during a single flight.

Effective: May 10, 1979 Category: engine Compliance: Within the next 10 operating hours time in service after May 10, 1979, for at least one engine pe...

Why matched: AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TPE 331-10-501G Engines

View Details Official Source ↗

78-05-02

final rule

AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TPE331-1, -2, -3, -5, and -6 Series Engines

Unsafe Condition: Failure of the propeller pitch control cam follower pin

Effective: Apr 5, 1979 Category: engine Compliance: Within the next 500 hours time in service after April 1, 1978 or prior to September 30, 1979, or ...

Why matched: AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TPE331-1, -2, -3, -5, and -6 Series Engines

View Details Official Source ↗

78-22-10

final rule

AIRESEARCH MANUFACTURING COMPANY of ARIZONA Model TFE 731 - 2, - 3 and - 3R Engines

Unsafe Condition: Failure of the low pressure rotor thrust ball bearing (number three bearing), Part No. 358736-2, due to improper manufacturing without six radial oil lubrication grooves, which could result in an i...

Effective: Nov 13, 1978 Category: engine Compliance: Before further flight after receipt of this AD

Why matched: AIRESEARCH MANUFACTURING COMPANY of ARIZONA Model TFE 731 - 2, - 3 and - 3R Engines

View Details Official Source ↗

78-10-04

final rule

Airworthiness Directives; AIRESEARCH MANUFACTURING COMPANY OF ARIZONA: Applies to AiResearch Model TSCP700-4B and -5 Auxiliary Power Units (APU's)

Unsafe Condition: High energy release of first stage compressor blades and disk parts due to possible fatigue failure of the disk.

Effective: May 30, 1978 Category: appliance Compliance: Before accumulating a total of more than 3000 cycles on the first stage compressor disks, or with...

Why matched: Airworthiness Directives; AIRESEARCH MANUFACTURING COMPANY OF ARIZONA: Applies to AiResearch Model TSCP700-4B and -5 Auxiliary Power Units (APU's)

Technical illustration of an aircraft turbine engine assembly
Problem area Engine
View Details Official Source ↗

77-17-06

final rule

Airworthiness Directives; AIRESEARCH MANUFACTURING COMPANY of ARIZONA: Applies to AiResearch Model TSCP700-4B and -5 Auxiliary Power Units (APUs)

Unsafe Condition: High energy release of first stage compressor blades and disc parts due to possible fatigue failure of the disc.

Effective: Aug 24, 1977 Category: appliance Compliance: Before accumulating more than 3000 cycles on the first stage compressor discs, or within the next...

Why matched: Airworthiness Directives; AIRESEARCH MANUFACTURING COMPANY of ARIZONA: Applies to AiResearch Model TSCP700-4B and -5 Auxiliary Power Units (APUs)

Technical illustration of an aircraft turbine engine assembly
Problem area Engine
View Details Official Source ↗

76-16-01

final rule

AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TPE331 Series Engines

Unsafe Condition: Fatigue failures of the high speed pinion (HSP) bearing oil transfer tube, supply tube, and lubricating adapter, and loosening of the HSP bearing carrier bolts could occur.

Effective: Aug 6, 1976 Category: engine Compliance: Within specified intervals: 100 hours time in service after December 30, 1974; 200 hours time in ...

Why matched: AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TPE331 Series Engines

View Details Official Source ↗

74-24-09

final rule

Airworthiness Directives; AIRESEARCH MANUFACTURING COMPANY OF ARIZONA: Applies to Ai-Research Model GTCP30-54, -59, -70 and -92 Auxiliary Power Units (APU's)

Unsafe Condition: turbine wheel hub separation

Effective: Nov 19, 1975 Category: appliance Compliance: Within the next 25 hours of APU operating time in service after the effective date of the respect...

Why matched: Airworthiness Directives; AIRESEARCH MANUFACTURING COMPANY OF ARIZONA: Applies to Ai-Research Model GTCP30-54, -59, -70 and -92 Auxiliary Power Units (APU's)

View Details Official Source ↗

75-05-17

final rule

Airworthiness Directives; AIRESEARCH MANUFACTURING COMPANY OF ARIZONA: Applies to AiResearch Model GTCP660-4 and -4R APU's

Unsafe Condition: Development of a hazardous condition during flight due to APU operation.

Effective: Oct 6, 1975 Category: appliance Compliance: Prior to further flight, within 72 hours after receipt, and on or before July 1, 1976.

Why matched: Airworthiness Directives; AIRESEARCH MANUFACTURING COMPANY OF ARIZONA: Applies to AiResearch Model GTCP660-4 and -4R APU's

View Details Official Source ↗

75-10-05

final rule

AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TPE331 Series Engines

Unsafe Condition: Loosening of the torque sensor assembly mounting arm could cause fuel control assembly drive backlash exceeding specified limits, leading to potential engine failure.

Effective: Jul 11, 1975 Category: engine Compliance: Before exceeding 200 hours total time in service or an additional 25 hours time in service after ...

Why matched: AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TPE331 Series Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine
View Details Official Source ↗

74-10-10

final rule

AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TPE331-1-151B, -2-201C, -3U-307G, -5-251C, -5-251K and -6-251M Engines

Unsafe Condition: Loosening of the fuel control assembly mounting and support bracket fasteners.

Effective: Jul 11, 1975 Category: engine Compliance: Within the next 25 hours time in service after the effective date of this AD, unless previously a...

Why matched: AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TPE331-1-151B, -2-201C, -3U-307G, -5-251C, -5-251K and -6-251M Engines

View Details Official Source ↗

75-07-10

final rule

AIRESEARCH MANUFACTURING COMPANY of ARIZONA Model TFE731-2 and -3 Series Engines

Unsafe Condition: Wear of the transfer gearbox vertical bevel gear bearing support can result in failure of the accessory drive and contamination of the engine lubrication system.

Effective: May 1, 1975 Category: engine Compliance: Within the next 25 hours time in service after receipt of this Airworthiness Directive, and at in...

Why matched: AIRESEARCH MANUFACTURING COMPANY of ARIZONA Model TFE731-2 and -3 Series Engines

View Details Official Source ↗

75-01-06

final rule

Airworthiness Directives; AIRESEARCH MANUFACTURING COMPANY of ARIZONA: Applies to model GTCP660-4 (prior to Serial No. P37808) and GTCP660-4R (Prior to Serial No. P133) Auxiliary Power Units

Unsafe Condition: Fatigue cracks in the fuel pump body, part numbers 968502-2 and -3, could lead to fuel system failure.

Effective: Jan 31, 1975 Category: appliance Compliance: Within 15 days time in service after the effective date of this AD, and within 500 APU operating ...

Why matched: Airworthiness Directives; AIRESEARCH MANUFACTURING COMPANY of ARIZONA: Applies to model GTCP660-4 (prior to Serial No. P37808) and GTCP660-4R (Prior to Serial No. P133) Auxiliary Power Units

Technical illustration of an aircraft fuel pump, filter, valve, and lines
Problem area Fuel system
View Details Official Source ↗

74-24-05

final rule

AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TPE331 Series Engines

Unsafe Condition: Fatigue failure of the pin in the propeller pitch control sleeve assembly.

Effective: Nov 26, 1974 Category: engine Compliance: Within the next 25 hours time in service after receipt of this airmail letter (for engines with <...

Why matched: AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TPE331 Series Engines

View Details Official Source ↗

74-23-05

final rule

AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TFE731-2-2B and -2-1C Engines

Unsafe Condition: Fuel pumps (P/N 3070851-2, -4, -5, and -6) may fail due to insufficient service life limit, exceeding 25 hours total time in service.

Effective: Nov 14, 1974 Category: engine Compliance: before exceeding 25 hours total time in service

Why matched: AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TFE731-2-2B and -2-1C Engines

View Details Official Source ↗

74-11-06

final rule

AIRESEARCH MANUFACTURING COMPANY of ARIZONA Model TFE731-2-1C and -2-2B Engines

Unsafe Condition: Improper operation of the engine fuel control computer due to voltage transients in the electrical system

Effective: Sep 23, 1974 Category: engine Compliance: Before further engine operation

Why matched: AIRESEARCH MANUFACTURING COMPANY of ARIZONA Model TFE731-2-1C and -2-2B Engines

View Details Official Source ↗

74-18-16

final rule

AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TFE731-2-1C and TFE731-2-2B Engines

Unsafe Condition: The fuel control computer, part number 949572-5, may have internal defects that could result in engine failure.

Effective: Sep 6, 1974 Category: engine Compliance: Before further flight

Why matched: AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TFE731-2-1C and TFE731-2-2B Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine
View Details Official Source ↗

74-18-12

final rule

AIRESEARCH MANUFACTURING COMPANY of ARIZONA Model TFE 731-2-2B Engines

Unsafe Condition: The hydromechanical fuel control orifice assembly may fail, causing an uncommanded increase in fuel flow, which could result in engine overspeed or flameout.

Effective: Sep 3, 1974 Category: engine Compliance: Before further flight

Why matched: AIRESEARCH MANUFACTURING COMPANY of ARIZONA Model TFE 731-2-2B Engines

View Details Official Source ↗

74-13-09

final rule

AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TFE731-2-1C, and -2-2B Engines

Unsafe Condition: Improper configuration of the fuel pump assembly.

Effective: Jul 31, 1974 Category: engine Compliance: within the next 50 hours time in service after the effective date of this AD, unless already acco...

Why matched: AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TFE731-2-1C, and -2-2B Engines

Technical illustration of an aircraft fuel pump, filter, valve, and lines
Problem area Fuel system
View Details Official Source ↗