# GE CT58-140-1 - Type: Engine model (FAA registry) - Registry code: 30128 - Manufacturer (registry): GE - Model: CT58-140-1 - Engine type: Turbo-shaft - Power: 1,400 hp - Data sheet: [TCDS 1E3](https://openairdocs.org/tcds/1E3) (OpenAirDocs) - Holder: General Electric Company - Installed in: 20 registered aircraft - Page: https://openairdocs.org/engine/ge-ct58-140-1 Model codes come from the FAA registry's reference file. ## ADs that may apply (OpenAirDocs) Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 2015-20-09](https://openairdocs.org/ad/2015-20-09): Life-limited rotating parts · General Electric CT58-100-2, CT58-110-1, CT58-110-2 and 2 more. Effective Nov 18, 2015 - [AD 2005-04-10](https://openairdocs.org/ad/2005-04-10): Stage 1 compressor disks · General Electric T58-GE-100, T58-GE-10, T58-GE-5 and 2 more. Effective Mar 29, 2005 - [AD 2004-04-06](https://openairdocs.org/ad/2004-04-06): Fuel flow divider assemblies · General Electric T58-GE-402, T58-GE-100, T58-GE-10 and 8 more. Effective Mar 9, 2004 - [AD 2001-12-07](https://openairdocs.org/ad/2001-12-07): Fuel Flow Divider Assemblies · General Electric T58-GE-402, T58-GE-100, T58-GE-10 and 4 more. Effective Jul 2, 2001 - [AD 97-21-08](https://openairdocs.org/ad/97-21-08): Stage 1 forward cooling plate · General Electric T58-GE-100, T58-GE-10, T58-GE-8F and 6 more. Effective Dec 19, 1997 - [AD 97-19-17](https://openairdocs.org/ad/97-19-17): Critical rotating parts · General Electric T58-GE-100, T58-GE-10, T58-GE-5 and 6 more. Effective Nov 28, 1997 - [AD 94-07-05](https://openairdocs.org/ad/94-07-05): Turbine Wheels · General Electric CT58-110-1, CT58-110-2, CT58-140-1 and 1 more. Effective Apr 19, 1994 - [AD 91-07-17](https://openairdocs.org/ad/91-07-17): Gas Generator · General Electric CT58-140-1. Effective Apr 26, 1991 - [AD 81-18-03](https://openairdocs.org/ad/81-18-03): Fuel Controls · General Electric CT58-100-2, CT58-110-1, CT58-110-2 and 2 more. Effective Sep 17, 1981 - [AD 81-02-02](https://openairdocs.org/ad/81-02-02): Stage One Turbine Wheels · General Electric CT58-100-2, CT58-110-1, CT58-110-2 and 2 more. Effective Feb 2, 1981 - [AD 78-26-08](https://openairdocs.org/ad/78-26-08): Lube Pump Drive Shaft · General Electric CT58-100-2, CT58-110-1, CT58-110-2 and 2 more. Effective Dec 19, 1978 - [AD 67-01-02](https://openairdocs.org/ad/67-01-02): Rotor Discs · General Electric CT58-100-1, T58-GE-5, T58-GE-1 and 5 more. Effective Aug 24, 1976 - [AD 76-13-02](https://openairdocs.org/ad/76-13-02): Oil Cooler-To-Fuel Filter Hose · General Electric CT58-100-2, CT58-110-1, CT58-110-2 and 2 more. Effective Jul 6, 1976 - [AD 74-25-01](https://openairdocs.org/ad/74-25-01): Fuel System Hose · General Electric CT58-140-1 and CT58-140-2. Effective Dec 10, 1974 - [AD 69-17-03](https://openairdocs.org/ad/69-17-03): First and Second Stage Turbine Rotor Discs · General Electric T58-GE-5, T58-GE-1, CT58-100-2 and 4 more. Effective Aug 27, 1969 - [AD 64-26-02](https://openairdocs.org/ad/64-26-02): Starter Drive Shaft Bearing · General Electric CT58-100-1, T58-GE-5, T58-GE-1 and 3 more. Effective Jun 3, 1966 Historical (superseded or no longer in force): - [AD 2008-22-16](https://openairdocs.org/ad/2008-22-16) (historical): Repetitive heavy lift (RHL) · General Electric CT58-100-2, CT58-110-1, CT58-110-2 and 2 more. Effective Dec 1, 2008 - [AD 2001-18-06](https://openairdocs.org/ad/2001-18-06) (historical): Engine Life-limited Rotating Parts · General Electric CT58-100-2, CT58-110-1, CT58-110-2 and 2 more. Effective Oct 18, 2001 - [AD 69-23-02](https://openairdocs.org/ad/69-23-02) (historical): Stage 2 Compressor Rotor Disc Shafts · General Electric CT58-100-2, CT58-110-1, CT58-110-2 and 2 more. Effective Oct 15, 1970 - [AD 79-23-04](https://openairdocs.org/ad/79-23-04) (historical): Turboshaft Engines Rotating Components · General Electric CT58-100-2, CT58-110-1, CT58-110-2 and 2 more ## Registered aircraft (20) - [N1043T](https://openairdocs.org/aircraft/N1043T): [Croman Corp](https://openairdocs.org/faa-owner/CROMAN%20CORP), [White City, OR](https://openairdocs.org/faa-place/OR/White%20City), built 1961, S/N 61083 - [N1048Y](https://openairdocs.org/aircraft/N1048Y): [Croman Corp](https://openairdocs.org/faa-owner/CROMAN%20CORP), [White City, OR](https://openairdocs.org/faa-place/OR/White%20City), built 1961, S/N 61161 - [N3173U](https://openairdocs.org/aircraft/N3173U): [Siller Helicopters LLC](https://openairdocs.org/faa-owner/SILLER%20HELICOPTERS%20LLC), [Chamblee, GA](https://openairdocs.org/faa-place/GA/Chamblee), built 1963, S/N 61186 - [N410GH](https://openairdocs.org/aircraft/N410GH): [Croman Corp](https://openairdocs.org/faa-owner/CROMAN%20CORP), [White City, OR](https://openairdocs.org/faa-place/OR/White%20City), built 1975, S/N 61749 - [N4263A](https://openairdocs.org/aircraft/N4263A): [Croman Corp](https://openairdocs.org/faa-owner/CROMAN%20CORP), [White City, OR](https://openairdocs.org/faa-place/OR/White%20City), built 1966, S/N 61551 - [N45917](https://openairdocs.org/aircraft/N45917): [Siller Helicopters LLC](https://openairdocs.org/faa-owner/SILLER%20HELICOPTERS%20LLC), [Chamblee, GA](https://openairdocs.org/faa-place/GA/Chamblee), built 1965, S/N 61271 - [N5193Y](https://openairdocs.org/aircraft/N5193Y): [Aircraft Guaranty Corp Trustee](https://openairdocs.org/faa-owner/AIRCRAFT%20GUARANTY%20CORP%20TRUSTEE), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City), built 1963, S/N 61-184 - [N614CK](https://openairdocs.org/aircraft/N614CK): [Croman Corp](https://openairdocs.org/faa-owner/CROMAN%20CORP), [White City, OR](https://openairdocs.org/faa-place/OR/White%20City), built 1974, S/N 61715 - [N61NW](https://openairdocs.org/aircraft/N61NW): [US Leaseco Inc](https://openairdocs.org/faa-owner/US%20LEASECO%20INC), [Aurora, OR](https://openairdocs.org/faa-place/OR/Aurora), built 1974, S/N 61719 - [N624CK](https://openairdocs.org/aircraft/N624CK): [Croman Corp](https://openairdocs.org/faa-owner/CROMAN%20CORP), [White City, OR](https://openairdocs.org/faa-place/OR/White%20City), built 1964, S/N 61272 - [N625CK](https://openairdocs.org/aircraft/N625CK): [Croman Corp](https://openairdocs.org/faa-owner/CROMAN%20CORP), [White City, OR](https://openairdocs.org/faa-place/OR/White%20City), built 1963, S/N 61-216 - [N626CK](https://openairdocs.org/aircraft/N626CK): [Croman Corp](https://openairdocs.org/faa-owner/CROMAN%20CORP), [White City, OR](https://openairdocs.org/faa-place/OR/White%20City), built 1963, S/N 61220 - [N6675D](https://openairdocs.org/aircraft/N6675D): [Columbia Helicopters Inc](https://openairdocs.org/faa-owner/COLUMBIA%20HELICOPTERS%20INC), [Aurora, OR](https://openairdocs.org/faa-place/OR/Aurora), built 1962, S/N 5 - [N762HT](https://openairdocs.org/aircraft/N762HT): [US Leaseco Inc](https://openairdocs.org/faa-owner/US%20LEASECO%20INC), [Aurora, OR](https://openairdocs.org/faa-place/OR/Aurora), built 1976, S/N 61755 - [N775HG](https://openairdocs.org/aircraft/N775HG): [Construction Helicopters LLC](https://openairdocs.org/faa-owner/CONSTRUCTION%20HELICOPTERS%20LLC), [Howell, MI](https://openairdocs.org/faa-place/MI/Howell), built 1977, S/N 61775 - [N826WC](https://openairdocs.org/aircraft/N826WC): [Construction Helicopters LLC](https://openairdocs.org/faa-owner/CONSTRUCTION%20HELICOPTERS%20LLC), [Howell, MI](https://openairdocs.org/faa-place/MI/Howell), built 1980, S/N 61826 - [N827HG](https://openairdocs.org/aircraft/N827HG): [Construction Helicopters LLC](https://openairdocs.org/faa-owner/CONSTRUCTION%20HELICOPTERS%20LLC), [Howell, MI](https://openairdocs.org/faa-place/MI/Howell), built 1980, S/N 61827 - [N906CH](https://openairdocs.org/aircraft/N906CH): [Construction Helicopters LLC](https://openairdocs.org/faa-owner/CONSTRUCTION%20HELICOPTERS%20LLC), [Howell, MI](https://openairdocs.org/faa-place/MI/Howell), built 1971, S/N 61490 - [N91158](https://openairdocs.org/aircraft/N91158): [US Leaseco Inc](https://openairdocs.org/faa-owner/US%20LEASECO%20INC), [Aurora, OR](https://openairdocs.org/faa-place/OR/Aurora), built 1968, S/N 61424 - [N9696W](https://openairdocs.org/aircraft/N9696W): [Croman Corp](https://openairdocs.org/faa-owner/CROMAN%20CORP), [White City, OR](https://openairdocs.org/faa-place/OR/White%20City), built 1960, S/N 61147 ## NTSB investigations (7) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB ANC22FA018](https://openairdocs.org/ntsb/ANC22FA018), Feb 22, 2022: Sikorsky S-61N (N615CK), Kekaha, HI, destroyed, 4 fatal. Probable cause: The improper installation of the fore/aft primary servo by maintenance personnel, which resulted in the attaching hardware backing out and which subsequently rendered the helicopter uncontrollable.… - [NTSB ERA16FA311](https://openairdocs.org/ntsb/ERA16FA311), Sep 6, 2016: Sikorsky S61 (N805AR), Palm Bay, FL, destroyed, 3 fatal. Probable cause: A dual loss of engine power for undetermined reasons after the pilot's improper decision to attempt another maneuver after recovering from a perceived compressor stall, rather than returning to the… - [NTSB WPR15LA248](https://openairdocs.org/ntsb/WPR15LA248), Aug 20, 2015: Sikorsky S 61A (N1043T), Ironside, OR, substantial damage. Probable cause: A loss of power to the No. 2 engine due to the failure of the accessory gearbox drivetrain. Also causal was the pilot’s inability to release the external longline due to the use of a safety wire… - [NTSB LAX08PA259](https://openairdocs.org/ntsb/LAX08PA259), Aug 6, 2008: Sikorsky S-61N (N612AZ), Weaverville, CA, destroyed, 9 fatal. Probable cause: The following actions by Carson Helicopters: 1) the intentional understatement of the helicopter's empty weight, 2) the alteration of the power available chart to exaggerate the helicopter's lift… - [NTSB NYC08WA256](https://openairdocs.org/ntsb/NYC08WA256), Jul 19, 2008: Sikorsky S-61N (N91158), Cusco, Peru, substantial damage - [NTSB ANC01LA109](https://openairdocs.org/ntsb/ANC01LA109), Aug 11, 2001: Sikorsky S61A (N5193Y), Wrangell, AK, substantial damage. Probable cause: The separation of a steel long line cable that failed and rebounded from a load of logs into the helicopter's main and tail rotors. - [NTSB NYC70I0006](https://openairdocs.org/ntsb/NYC70I0006), Jul 4, 1969: Vertol 107-II (N6675D), Flushing, NY, incident, no damage ## FAA accident and incident reports (7) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 20230821009989I](https://openairdocs.org/incident/20230821009989I), Aug 21, 2023: Sikorsky S-61A (N1048Y), Deer Park, WA, Minor damage. Helicopter was performing firefighting operations, during a hover over dip site to fill tanks, rotor made contact with tree limb. Precautionary landing made at… - [Accident 20220222001029A](https://openairdocs.org/incident/20220222001029A), Feb 22, 2022: Sikorsky S-61N (N615CK), Kekaha, HI, Destroyed, 4 fatal. 02/22/2022: At approximately 10:20 HST an S61N, registration # N615CK, [privacy data omitted] was destroyed on ground impact at barking sands airport. The… - [Incident 20180919019159I](https://openairdocs.org/incident/20180919019159I), Sep 19, 2018: Sikorsky S-61N (N906CH), Fort Pierce, FL, No damage. Flying north bound about 15MN from fpr airport at 1500FT, MSL the aircraft hit a bird (seagull). The brid hit below the center windshield near the ILS antenna.… - [Accident 20160906018209A](https://openairdocs.org/incident/20160906018209A), Sep 6, 2016: Sikorsky S-61N (N805AR), Palm Bay, FL, Destroyed, 3 fatal. On September 6, 2016, at approximately 1340 eastern daylight time, a Sikorsky S-61N, N805AR, was destroyed when it impacted the ground near Palm Bay, Florida.… - [Accident 20150819013969A](https://openairdocs.org/incident/20150819013969A), Aug 19, 2015: Sikorsky S-61A (N1043T), Unity, OR, Destroyed. While performing a wildland firefighting mission under 14 CFR part 133, this aircraft experience a partial rotor system power loss (PIC and SIC assumed this… - [Accident 20080805857529A](https://openairdocs.org/incident/20080805857529A), Aug 5, 2008: Skrsky S61N (N612AZ), Redding, CA, Destroyed, 9 fatal. On August 5, 2008, at approximately 1940 pacific dayligt time, a Sikorsky S-61N helicopter, N612AZ, operated by carson helicopter servics inc., under contract… - [Accident 20010811039289A](https://openairdocs.org/incident/20010811039289A), Aug 11, 2001: Skrsky S61A (N5193Y), Wrangell, AK, Substantial damage. (-23) Investigation revealed that the 5/8" steel cable (long line) had failed between the helicopter sling hook and the external sling load (logs) at the time… ## Service difficulty reports (127, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR CHIA201908254108](https://openairdocs.org/sdr/CHIA201908254108), Aug 25, 2019: ACTUATOR. FAILED. DURING TAKEOFF, THE NR 1 ENGINE FREEZE FAILED, PILOT RESET IT AND SUBSEQUENTLY, THE ENGINE FAILED TO ACCELERATE PAST FLIGHT IDLE. AIRCRAFT RETURNED TO BASE. REM - [SDR JYEA2015FA0000211](https://openairdocs.org/sdr/JYEA2015FA0000211), May 13, 2015: PRESSURE SWITCH. INTERMITTENT. WHEN TESTING HYD SYS USING MOGEN AND SELECTING PRIMARY OFF, IT WOULD NOT. AFTER THE THIRD SELECTION TO OFF, IT FINALLY TURNED OFF SECURING PRESSURE TO PRIMARY W - [SDR P4YA0709201200001](https://openairdocs.org/sdr/P4YA0709201200001), Jul 9, 2012: GEARBOX. MAKING METAL. LEFT MGB CHIP LIGHT ILLUMINATED IN FLIGHT. ACFT RETURNED TO BASE. OIL STRAINER INSPECTION REVEALED METAL SLIVERS. AWAITING MGB CHANGE. - [SDR P4YA0707201200001](https://openairdocs.org/sdr/P4YA0707201200001), Jul 7, 2012: ENGINE. FAILED. ON APPROACH NR 2 ENGINE COMPRESSOR STALLED AND T SPIKED TO 950°C. REMOVED AND REPLACED ENGINE, ALL SYSTEMS CHECKED SATISFACTORY. - [SDR P4YA2012061800001](https://openairdocs.org/sdr/P4YA2012061800001), Jun 16, 2012: PURIFIER. MALFUNCTIONED. ON APPROACH TO HLZ WHEN THE CREW EXPERIENCED A LOSS OF POWER TO THE NR 1 ENGINE. IN CRUISE FLIGHT, NR 1 PCL HAD NO EFFECT ON ENGINE PERFORMANCE. EMERGENCY FUEL - [SDR P4YA2010071500001](https://openairdocs.org/sdr/P4YA2010071500001), Jul 15, 2010: MOUNT. CRACKED. LT FWD TRANSMISSION MOUNT FITTING WAS FOUND TO BE CRACKED 2" AT STA 243. AREA WAS PREVIOUSLY REPAIRED AND DOUBLERS WERE REMOVED FOR INSPECTION. REPAIR IS IN PRO - [SDR P4YA2010051300001](https://openairdocs.org/sdr/P4YA2010051300001), May 13, 2010: EXHAUST PIPE. CRACKED. NR 1 ENGINE FIRE LIGHT ILLUMINATED WITH NO FIRE DETECTED. CRACKED TAIL PIPE LEAKED EXHAUST ONTO FIRE LOOP. REPLACED EXHAUST PIPE. - [SDR P4YA2010031000001](https://openairdocs.org/sdr/P4YA2010031000001), Mar 10, 2010: LINE. CHAFED. ACFT SUFFERED A LOSS OF ITS PRIMARY HYD SYS WHILE IT WAS ON THE GROUND BEING HOT REFUELED. INDICATIONS IN THE COCKPIT WERE MASTER CAUTION AND WARNING LIGHTS, AN - [SDR CA100204003](https://openairdocs.org/sdr/CA100204003), Dec 24, 2009: GEARBOX. MAKING METAL. (CAN) ENGINE CHIP LIGHT IN FLIGHT. NR1 CHIP PLUG CAUSING THE LIGHT TO ILLUMINATE. ON INSP FERROUS DEBRIS WAS FOUND ON PLUG. ENGINE REMOVED FOR FURTHER INVESTIGA - [SDR CHIR0297](https://openairdocs.org/sdr/CHIR0297), Nov 20, 2009: FCU. CONTAMINATED. ON 11/18/09 OUR REPAIR STATION PERFORMED AN INSPECTION ON A FUEL CONTROL P/N 7257255, PILOT VALVE P/N 6028T23G01, THAT WERE IN AN FAR135.415 SERVICE DIFFICULTY - [SDR 2009FA0000960](https://openairdocs.org/sdr/2009FA0000960), Nov 18, 2009: FUEL CONTROL. CONTAMINATED. A CT-58 FUEL CONTROL UNIT (FCU) PN 725725-5 SN 29172)) , STATOR VANE ACTUATOR (SVA) PN 4004T63G10 SN KTR4579BR)) , AND PILOT VALVE (PV) PN 6028T23G01 SN KTR3098 - [SDR U0GA2009092883296](https://openairdocs.org/sdr/U0GA2009092883296), Sep 28, 2009: ENGINE. FAILED. NR 1 ENGINE FAILED IN FLIGHT. - [SDR CA090827002](https://openairdocs.org/sdr/CA090827002), Aug 26, 2009: ENGINE. MAKING METAL. AT THE END OF A 2 HR FLIGHT, NR 1 ENG CHIP LIGHT ILLUMINATED IN FLIGHT. ON INVESTIGATION A SMALL AMOUNT OF FERROUS MATERIAL WAS FOUND ON THE FWD CHIP PLUG. - [SDR CA090824005](https://openairdocs.org/sdr/CA090824005), Aug 21, 2009: SERVO. INOPERATIVE. HAD A YAW KICK. - [SDR CA090820007](https://openairdocs.org/sdr/CA090820007), Aug 16, 2009: FUEL CONTROL. MALFUNCTIONED. (CAN) THE NUMBER ONE ENGINE WAS UP TO OPERATING RPM THEN DEACCELERATED TO FLIGHT IDLE FOR NO REASON. THE FOLLOWING UNITS WERE REPLACED TO TROUBLE SHOOT THE DEFE - [SDR CA090811008](https://openairdocs.org/sdr/CA090811008), Aug 7, 2009: FUEL/OIL COOLER. LEAKING. HELICOPTER WAS ON A MISSION TO DO SOME SLINGING. WHILE THE ACFT WAS IN CRUISE IT WAS NOTED THAT THERE WAS AN FUEL ODOR IN THE CAB. THE HELICOPTER LANDED AS SOON - [SDR CA080725002](https://openairdocs.org/sdr/CA080725002), Jul 16, 2008: BOLT. BROKEN. (CAN) ON POST FLIGHT INSP, ONE BOLT HEAD WAS FOUND DETACHED FROM THE PUMP ASSY. HAVE EXPERIENCED ONE PREVIOUS OCCURENCE, SEE SDR20060818006. - [SDR CA071130014](https://openairdocs.org/sdr/CA071130014), Nov 26, 2007: SEAL. DEBONDED. (CAN) STATIC DISCHARGE SEAL DEBONDED WHILE ENGINE (SN 295-291) WAS BEING RUN. OUR INTERNAL SQID REPORT NR 07-06724 REFERS. (TC NR 20071130014) - [SDR CA070914019](https://openairdocs.org/sdr/CA070914019), Sep 11, 2007: BLADE. LEAKING. (CAN) BIM WARNING LIGHT ILLUMINATED IN FLIGHT. SPAR PRESSURE WAS FOUND TO BE .25 LBS BELOW MINIMUM CHECKING PRESSURE. SPAR PRESSURE WAS SERVICED APPROXIMATELY 8 - [SDR CA070814010](https://openairdocs.org/sdr/CA070814010), Aug 7, 2007: ENGINE. MALFUNCTIONED. (CAN) ROTORCRAFT WAS LOGGING AT THE TIME OF THE ENGINE SHUTDOWN. THE AIRCRAFT WAS HOVERING ABOVE A LOG GETTING READY TO PULL THE LOG FROM THE SETTING. NR 1 ENGI - [SDR CA070709003](https://openairdocs.org/sdr/CA070709003), Jul 5, 2007: MANIFOLD. FRACTURED. (CAN) THE PILOTS NOTICED A WARM SEMI SMOKE SMELL, AND OBSERVED A T5 RISE IN NR 1 ENGINE. THE FIRE LIGHT ACTIVATED ON NR 1 ENGINE. THE ENGINE WAS SHUT DOWN AS WE - [SDR CA070619007](https://openairdocs.org/sdr/CA070619007), Jun 11, 2007: BOLT. LOOSE. (CAN) OCCURRENCE WHERE THE ENGINE SPEED CONTROL DISENGAGED FROM THE FUEL CONTROL UNIT, RESULTING IN AN IN-FLIGHT SHUTDOWN OF THE ENGINE. SUSPECTED CAUSE WAS A L - [SDR CA070524006](https://openairdocs.org/sdr/CA070524006), May 17, 2007: ENGINE. FAILED. (CAN) REPORT NR 07-02204 (ON MAY 11, 2007) THE AC UNDERWENT AN ENGINE CHANGE ON NR 1 ENGINE AND REQUIRED A MAINTENANCE TEST FLIGHT. AFTER (2) GROUND RUNS INCLUD - [SDR CA070216008](https://openairdocs.org/sdr/CA070216008), Feb 16, 2007: BLADE. CRACKED. (CAN) ON INSPECTION, A STAGE 4 BLADE WAS FOUND TO HAVE A 0.080 INCH CRACK THROUGH THE DOVE TAIL AREA ON THE TRAILING EDGE SIDE. OUR FILE NR SQID 07-00588 (TC NR - [SDR CA060818006](https://openairdocs.org/sdr/CA060818006), Aug 17, 2006: BOLT. BROKEN. (CAN) THE HYDRAULIC PUMP WAS BEING REMOVED FOR MAINTENANCE PLANNING, WHEN 2 BOLT HEADS WERE FOUND TO BE SHEARED OFF, AND HELD IN PLACE BY THE LOCK WIRE. PUMP WI - [SDR CA060608011](https://openairdocs.org/sdr/CA060608011), May 18, 2006: COVER. CRACKED. MAIN GEAR BOX WAS BEING REMOVED FOR INPUT FREEWHEEL REPLACEMENT. A CRACK WAS DETECTED ON THE RT FOOT OF REAR COVER, AS WELL AS A CRACK ON THE RT REAR AIRFRAME F - [SDR CHI2852](https://openairdocs.org/sdr/CHI2852), Apr 19, 2006: LOCK NUT. FAILED. UPON RECEIPT OF ENGINE FOR MAINTENANCE, IT WAS DISCOVERED THAT THE POWER TURBINE LOCKNUT HAD LOST TORQUE AND BACKED OFF OF THE POWER TURBINE TIE BOLT. THE PROBA - [SDR CA060322003](https://openairdocs.org/sdr/CA060322003), Mar 14, 2006: COMBUSTION CASE. CRACKED. (CAN) THE PILOT NOTICED A GRADUALLY INCREASING ENGINE OIL PRESSURE, AND T5, ALONG WITH DECREASING OIL PRESSURE. AFTER SHUTDOWN, THE ENGINE WAS INSPECTED, AND A - [SDR 2005FA0001554](https://openairdocs.org/sdr/2005FA0001554), Nov 4, 2005: PLATE. CRACKED. DURING MAJOR INSPECTION THE NR 1 COOLING PLATE WAS FOUND TO HAVE CRACKS IN (SURFACE M). THERE ARE 6 EA CRACKS APPROXIMATELY .250 IN LENGTH. THE OVERALL GOOD, AN - [SDR CA051022001](https://openairdocs.org/sdr/CA051022001), Oct 20, 2005: WINDSHIELD. UNSERVICEABLE. CORNER WINDOW FAILED AFTER LOSING ITS SEAL AND SECURITY OF ATTACHMENT AT THE OVERLAP TO THE GLASS WINDSHIELD. THIS WAS LIKELY CAUSED BY THE SEAL BEING DISRUPTED - [SDR CA050930002](https://openairdocs.org/sdr/CA050930002), Sep 21, 2005: BLADE. UNSERVICEABLE. (CAN) COCKPIT BIM INDICATOR ILLUMINATED ON TAKEOFF. AIRCRAFT RETURNED TO RAMP. VISUAL INDICATION REVELED (BLUE) MAIN ROTOR BLADE BIM INDICATOR IN THE BLACK. MAI - [SDR CA051121002](https://openairdocs.org/sdr/CA051121002), Jun 16, 2005: BEARING RACE. DAMAGED. UPON VISUAL INSPECTION BEFORE INSTALLATION IT WAS NOTED THAT THE BEARING HAD MULTIPLE AXIAL SCORING MARKS ON THE INNER RACE SURFACE. THESE MARKS WERE DETECTABLE - [SDR 2005FA0000827](https://openairdocs.org/sdr/2005FA0000827), Jun 1, 2005: BEARING. BRINELLED. AT OVERHAUL, REMOVED HUB BEARING INNER RACES AND FOUND (1 EACH) CRACKED ABOUT 1.5 INCHES DUE TO SEVERE BRINNELING. PROBABLE CAUSE COULD BE DUE TO GREASE (MINIMA - [SDR CA050516007](https://openairdocs.org/sdr/CA050516007), May 10, 2005: TUBE. LEAKING. (CAN) WHILE LANDING,ONE OF THE PASSENGERS IN THE CABIN NOTICED FLUID RUNNING DOWN THE RIGHT HAND SIDE OF THE AIRCRAFT. AFTER AIRCRAFT SHUT DOWN THE ENGINEER INS - [SDR CA050104011](https://openairdocs.org/sdr/CA050104011), Dec 29, 2004: WEB. CRACKED. (CAN) DURING A ROUTINE INSPECTION, A CRACK WAS FOUND ON THE LT FORWARD CORNER OF THE LOWER WEB FITTING. - [SDR CA041124007](https://openairdocs.org/sdr/CA041124007), Nov 18, 2004: BLADE. CRACKED. (CAN) DURING FLIGHT, THE ROTOR BLADE INTEGRITY MONITOR SYSTEM INDICATED A LEAK IN ONE OF THE MAIN ROTOR BLADES. THE PILOT LANDED THE AIRCRAFT SAFELY AND MAINTEN - [SDR CA041119005](https://openairdocs.org/sdr/CA041119005), Nov 18, 2004: BEVEL GEAR. FAILED. (CAN) DURING CLIMB OUT THE MAIN GEARBOX CHIP LIGHT ILLUMINATED. AIRCRAFT RETURNED TO SEVICE LANDING.ON INSPECTION, METAL PARTICLES WERE DISCOVERED ON THE CHIP P - [SDR CA040916009](https://openairdocs.org/sdr/CA040916009), Sep 14, 2004: HUB. CRACKED. (CAN) DURING NDT INSPECTION THE HUB WAS FOUND TO HAVE A CRACK INDICATION ON ONE OF THE EARS. THE INDICATION WAS BLENDED, WITH APPROX. .010-.015 INCH OF MATERIAL - [SDR CHI2848](https://openairdocs.org/sdr/CHI2848), Jun 19, 2004: BLADE. CRACKED. CRACKS AT COMPRESSOR BLADE, LOCK SCREW HOLES, STAGES 3,5,6,7,8,AND 10 SLOTS. THE SUBJECT PARTS HAVE BEEN SUBMITTED TO THE MFG FOR EVALUATION. - [SDR CHI2849](https://openairdocs.org/sdr/CHI2849), Jun 19, 2004: COMPRESSOR. CRACKED. CRACKS AT COMPRESSOR BLADE, LOCK SCREW HOLES, STAGES 3 AND 6. PARTS HAVE BEEN SUBMITTED TO THE MFG FOR EVALUATION. - [SDR CA040706001](https://openairdocs.org/sdr/CA040706001), Jun 10, 2004: ROD. STRIPPED. SVA PILOT VALUE FEEDBACK CABLE ROD THREADS EXCESSIVELY WORN CAUSING ENGINE TO SURGE. - [SDR CA040506007](https://openairdocs.org/sdr/CA040506007), Apr 12, 2004: BUSHING. FAILED. ON INSTALLATION OF THE BUSHING, WHILE IT WAS BEING PRESSED INTO THE LUG OF THE PYLON, THE TOP OF THE BUSHING SHEARED OF THE BODY. MARKS ON THE BUSHING SHOW A TW - [SDR CA040309003](https://openairdocs.org/sdr/CA040309003), Mar 7, 2004: FILTER. INOPERATIVE. (CAN) MAIN GEAR BOX OIL PRESSURE DROPPED IN FLIGHT. AIRCRAFT RETURNED TO LANDING AREA AND SHUT DOWN. EXAMINATION OF MGB COARSE SCREEN FILTER REVEALED RESIN COAT - [SDR CA040309002](https://openairdocs.org/sdr/CA040309002), Mar 4, 2004: COVER. CRACKED. (CAN) CRACK ON LOWER LT LEG OF MAIN GEARBOX REAR COVER DISCOVERED ON DAILY INSPECTION. - [SDR CA031212001](https://openairdocs.org/sdr/CA031212001), Dec 2, 2003: RECEPTACLE. CRACKED. (CAN) POCKETS 20,21,22 FOUND CRACKED SPAN WISE ON UNDER SIDE OF POCKET. AFTER REMOVAL OF POCKET FROM THE BLADE, IT WAS FOUND THAT THE POCKETS WERE NOT BONDED TO - [SDR CA030827006](https://openairdocs.org/sdr/CA030827006), Aug 19, 2003: ENGINE. FAILED. (CAN) AC WAS INVOLVED IN FIREFIGHTING OPERATIONS. AFTER PICKING UP LOAD OF WATER WITH A 95 PERCENT TORQUE SETTING AC BEGAN A CLIMB. 5 SECONDS INTO CLIMB AT 95 P - [SDR CA030421008](https://openairdocs.org/sdr/CA030421008), Apr 16, 2003: FITTING. CRACKED. (CAN) DURING VISUAL INSPECTION, A CRACK WAS DETECTED ON LT LOWER PYLON HINGE WEB AREA, ORIGINATING FROM A TOOLING HOLE, AND PROGRESSING TOWARD THE OUTBOARD SIDE - [SDR CA030415003](https://openairdocs.org/sdr/CA030415003), Mar 27, 2003: CONTROL QUADRANT. STUCK. (CAN) PILOT PULLED THE COLLECTIVE UP ON FINAL APPROACH TO THE HELIDECK, THE COLLECTIVE JAMMED AND COULD NOT BE MOVED UP ANY FURTHER. THE AIRCRAFT CONTINUED TO D - [SDR CA021018002](https://openairdocs.org/sdr/CA021018002), Oct 2, 2002: BEARING. MAKING METAL. (CAN) ENGINE RECEIVED FOR METAL CONTAMINATION. INVESTIGATION REVEALED A FUZZ LIKE MATERIAL PRESENT ON AGB CHIP DETECTOR. MATERIAL SIMILAR TO THAT FOUND WHEN GEA - [SDR ERAA081163](https://openairdocs.org/sdr/ERAA081163), Sep 26, 2002: GASCOLATOR. CORRODED. INTERGRANULAR CORROSION WITHIN HOUSING. NDT AND VISUAL INSPECTION SHOWED NO INTERGRANULAR CORROSION. SHOWED ABNORMAL CARBON SEAL WEAR. NORMAL OVERHAUL All 127: https://openairdocs.org/engine/ge-ct58-140-1/reports.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.