JASC 7250

Service difficulty reports · 3,624

Reports filed under 7250 · Turbine Section, newest first.

Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE jasc_code = '7250'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR HEEA083745Nozzle · bentENGINE NOZZLE BENT. SCRAPPED.Jan 15, 2003 · N494PH · Bell 407SDR QXEA0300082Turbine Blades · damagedPDX - NR 1 ENGINE FAILED SCHEDULED BORESCOPE INSPECTION. FOUND ONE HPT 1 BLADE 2/3 MISSING AND TWO BLADES CRACKED. REPLACED ENGINE. OPERATIONAL CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE. ENGINE UNDER INVESTIGATION AT GE. INVESTIGATION BY THE ENGINE MANJan 14, 2003 · N601QX · Cndair CL6002C10SDR CA030127001Turbine · seized(CAN) DURING FIRST START OF THE ENGINE, FOLLOWING A TURBINE CHANGE, MAIN ROTOR BLADES INITIALLY STARTED TURNING BUT THEN STOPPED BEFORE ENGINE ACCELERATED TO IDLE SPEED. THE START WAS ABORTED.AME ATTEMPTED TO TURN THE MAIN ROTOR BLADES BACKWARDS BUT WAS UNABLEJan 13, 2003 · Bell 206LSDR HEEA083384Tube · contaminatedREPLACED TUBE ASSY FROM TURBINE PRESSURE CHECK VALVE TO GEARBOX DUE TO B-NUT THREADS FILLED WITH ALUMINUM FROM CHECK VALVE FITTINGS. SCRAPPED.Jan 9, 2003 · N6748D · Bell 206L3SDR HEEA083317Check Valve · damagedCHECK VALVE HAS DAMAGED FITTING THREADS. REPAIRED.Jan 9, 2003 · N6748D · Bell 206L3SDR HEEA083316Check Valve · smokeTURBINE OIL PRESSURE CHECK VALVE SMOKING ON SHUTDOWN. REPAIRED.Jan 9, 2003 · N206FS · Bell 206L3SDR HEEA082992Turbine Wheel · damagedENGINE REMOVED DUE TO EXCESSIVE OIL CONSUMPTION. TURBINE WAS REPAIRED DUE TO EXCESSIVE OIL CONSUMPTION AND OIL QUENCHED 1ST STAGE WHEEL. SCRAPPED WHEEL.Jan 9, 2003 · N3107N · Bell 206L3SDR HEEA082991Turbine Wheel · damagedENGINE REMOVED DUE TO TURBINE OVERHAUL. UPON INSPECTION OF TURBINE PARTS NOTED SULFIDATION ON ALL 1ST STAGE TURBINE WHEEL BLADES. SCRAPPED WHEEL.Jan 9, 2003 · N3116P · Bell 206L3SDR ALGA082901Nozzle · mismanufacturedFOUND NR 1 WHEEL BLADE PATH FINAL MACHINED OVERSIZED. DIM.= 6.275 RETURNED PART.Jan 8, 2003 · Clark 1000CLARKSDR QXEA0300015Turbine Blades · damagedCKB - NR 2 ENGINE FAILED SCHEDULED BORESCOPE INSPECTION. FOUND ONE BLADE WITH MISSING MATERIAL. REPLACED ENGINE. AIRCRAFT OPERATIONAL CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE. ENGINE UNDER INVETIGATION AT GE.INVESTIGATION BY THE ENGINE MANUFACTURER (GE) HAJan 6, 2003 · N602QX · Cndair CL6002C10SDR QXEA0300014Turbine Blades · damagedPDX - NR 2 ENGINE FAILED SCHEDULED BORESCOPE INSPECTION. FOUND ONE HPT 1 BLADE MISSING 20 PERCENT SPAN. REPLACED ENGINE. OPERATIONAL CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE. ENGINE UNDER INVESTIGATION AT GE. INVESTIGATION BY THE ENGINE MANUFACTURER (GDec 30, 2002 · N606QX · Cndair CL6002C10SDR DJFA200300002Blade · brokenAIRCRAFT DEPARTED SLC, ON CLIMBOUT THE PILOTS EXPERIENCED A VIBRATION. REDUCED POWER AND VIBRATION WENT AWAY. THE PILOTS DECIDED TO RETURN TO SLC AND LANDED WITH NO FURTHER PROBLEMS. INVESTIGATING THE TAIL PIPE OF THE ENGINE, FOUND A PIECE OF THE THIRD STAGDec 27, 2002 · N816CW · Braero BAE125800ASDR CA030107017Blade · damaged(CAN) ON ROUTE TO YVR FROM YYZ AT 130 NM FROM YYC HEARD LOUD BANG, FOLLOWED BY NR 1 ENGINE EPR DROP TO ZERO N1-N2 SPEED DECREASING. ENGINE RETARDED TO IDLE. PARAMETERS WITHIN LIMITS. DIVERTED TO YYC. PRELIMINARY INSPECTION REVEALS DAMAGED TURBINE BLADES. ENGDec 21, 2002 · Doug DC983SDR CA021223002Rivet · misinstalled(CAN) DURING RIVETING OF PT6 CT DISK ASSEMBLIES IT WAS NOTED THAT AN UNUSUALLY HIGH PERCENTAGE OF THE FLARED RIVET HEADS FELL BEYOND THE INSPECTION CRITERIA SPECIFIED IN THE OVERHAUL MANUAL. EXAMINATION OF THE RIVETS REVEALED THAT THE COUNTER-BORE OF THE FLARIDec 19, 2002SDR 12190279Turbine Blades · failedAFTER TAKEOFF, TOWER REPORTED THAT AIRCRAFT WAS TRAILING SMOKE. THE NR 1 ENGINE LOSS OF OIL PRESSURE FOLLOWED BY OIL WARNING LIGHT. ELECTED TO SHUT ENGINE DOWN AND RETURN TO AIRPORT. SUBSEQUENT INSPECTION REVILED THAT A PROBABLE FAILURE OF ONE OR MORE 1ST STDec 19, 2002 · N373P · Swrngn SA227ACSDR P5CA0200712Frame · crackedA 2 INCH CRACK FOUND, NR 3 ENGINE, TURBINE MID FRAME HOT SECTION AT NR 7 TIME (10 O'CLOCK POSITION). CRACK WELDED IAW GE SOPM 70-41-00. REF EDA 7254E001.Dec 14, 2002 · N355MC · Boeing 747341SDR CA030108007Blade · failed(CAN) THE ENGINE WAS SENT FOR INVESTIGATION AFTER OPERATOR REPORTED POSSIBLE PT BLADE FAILURE. ENGINE SUSTAINED A PRIMARY FAILURE OF ONE OR MORE 2ND STAGE PT BLADES. DAMAGE TO PT STATOR HOUSING, EXHAUST DUCT, BOTH 1ST & 2ND STAGE STATOR ASSYS, 1ST & 2ND STAGEDec 13, 2002SDR HDNA081648Nozzle · misinstalledNEWLY OVERHAULED 2ND STAGE NOZZLE. DIAPHRAGM IS IMPROPERLY POSITIONED, FORWARD TO AFT FLANGEDIM. OUT OF LIMITS AND INTERSTAGE SEAL IMPROPERLY SPRAYED. RETURNED FOR REPAIR.Dec 12, 2002 · Clark 1000CLARKSDR HDNA081647Nozzle · misinstalledNEWLY OVERHAULED 2ND STAGE NOZZLE. DIAPHRAGM IS IMPROPERLY POSITIONED AND FOWARD TO AFT FLANGE OUT OF LIMITS. RETURNED FOR REPAIR.Dec 12, 2002 · Clark 1000CLARKSDR HEEA082390Turbine Wheel · damagedENGINE PRODUCING LOW POWER. UPON INSPECTION OF TURBINE PARTS NOTED SULFIDATION ON 1ST STAGE WHEEL BLADES. SCRAPPED.Dec 11, 2002 · N7136H · Bolkms BO105SSDR ALGA081610Wheel · mismanufacturedTHIS IS A NEW PART. PART CAN NOT BE DYNAMIC BALANCED, DUE TO BEING TOO HIGH OUT OF BALANCE AND OFF SCALE ON THE X10 SCALE AND ON UPPER SCALE.Dec 10, 2002 · Clark 1000CLARKSDR 2003F00124Turbine Blades · failedFLT 9139 - FLL/FPO - DURING TAKEOFF ROLL, HEARD A LOUD THUMP NOISE FROM LEFT ENGINE. ABORTED TAKEOFF. DETERMINED LEFT POWER SECTION SEIZED. REMOVED AND REPLACED LEFT ENGINE ASSEMBLY. TEARDOWN REPORT REVEALED THAT SECOND STAGE POWER TURBINE BLADES FAILED. Dec 9, 2002 · N16540 · Beech 1900DSDR QXEA0202149Turbine Blades · damagedPDX - DURING SCHEDULED BORESCOPE INSPECTION FOUND TOP ONE THIRD OF THREE TURBINE BLADES IN THE HPT DISK MISSING. REPLACED ENGINE. REPLACED ENGINE. OPERATIONAL OF AIRCRAFT CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. ENGINE UNDER INVESTIGATION AT GE. INVESTIGATIDec 8, 2002 · N607QX · Cndair CL6002C10SDR AUS20021360Bearing · failed(AUS) NR 2 ENGINE CHIP DETECTOR CONTAMINATED. CONTAMINATION IDENTIFIED AS M50 MATERIAL. SUSPECT NR 3 BEARING FAILURE.Nov 25, 2002 · Boeing 737724SDR ERAA082724Support · crackedPOWER TURBINE SUPPORT WAS OVERHAULED AND RETIRED WITH A CRACK ADJACENT TO A TACK WELD ON 25-28 SEAL.Nov 21, 2002 · N291EH · Bolkms BO105ASDR CA021217001Nozzle · eroded(CAN) DURING DISASSEMBLY OF ENGINE, THE THREE RING SEALING FEATURE OF NOZZLE WAS FOUND SEPARATED FROM THE NOZZLE, AFT OF THE VANE TRAILING EDGE. SEPARATION IS ATTRIBUTED TO EXCESSIVE EROSION CAUSED BY INEFFICIENT FUEL BURN (ENGINE GENERATED CARBON BALL EROSINov 10, 2002 · Snias AS350DSDR 2002UALA01709Turbine Blades · failedNR 1 ENGINE COMPRESSOR STALL AT FL200, ENGINE SELF RECOVERED. ENGINE WAS REMOVED FOR METAL IN THE TAILPIPE, IT HAD A NORMAL ECM TREND PLOT. AT ENGINE TEARDOWN, A STAGE 2 TURBINE BLADE FAILURE WAS FOUND TO BE THE CAUSE.Nov 9, 2002 · N516UA · Boeing 757222SDR CA021120003Blade · failed(CAN) A PRIMARY FAILURE OF ONE OR MORE 2ND STAGE PT BLADES. EXTENSIVE SECONDARY DAMAGE RESULTED, INCLUDING THE PT STATOR HOUSING, THE EXHAUST DUCT, BOTH FIRST & SECOND STAGE STATOR ASSEMBLIES, BOTH 1ST & 2ND STAGE PT DISK & BLADE ASSEMBLIES, THE PT SHAFT & HOUNov 6, 2002SDR CA021120002Seal · failed(CAN) ENGINE SUSTAINED AN INTERSTAGE SEAL FAILURE, ROTOR AND STATOR AIR SEAL SUFFERED EXTENSIVE DAMAGE AND LOSS OF COMPONENT INTEGRITY, RESULTING IN EXTENSIVE SECONDARY IMPACT DAMAGE TO MANY OTHER POWER TURBINE ROTOR COMPONENTS.THE OUTSIDE OF THE POWER TURBINNov 6, 2002SDR 2002FA0001283Turbine Wheel · mismanufacturedAREA OF WHEEL EXCEEDS MAXIMUM LIMITS. AREA MIN. 4.60, AREA MAX 4.78. AREA OF THIS WHEEL IS 4.80.Nov 6, 2002SDR AUS20021264Seal · failed(AUS) LT ENGINE LOW OIL PRESSURE. INSPECTION FOUND AN OIL LEAK IN THE AREA OF THE TURBINE. INVESTIGATION FOUND THE CAUSE OF THE OIL LOSS TO BE TURBINE SEAL FAILURE. THE CARBON FACE OF THE SEAL HAD DISINTEGRATED AND THE BELLOWS RUPTURED RESULTING IN THE LOSS OFNov 2, 2002 · Swrngn SA227*SDR CA021209003Bearing · cracked(CAN) THE ENGINE WAS A SPARE AND PULLED FOR INSPECTION DUE TO A SUSPECTED BEARING INSTALLED. FURTHER INVESTIGATION REVEALED ROOT CAUSE . NR 3 BEARING CRACKED AT ROLLER RETAINER CAGE., BEARING PART NR 810641,S/N 00324.Nov 1, 2002SDR CA021105014Engine · failed(CAN) FLIGHT CREW REQUESTED IMMEDIATE RETURN TO YOW SHORTLY AFTER TAKEOFF DUE TO NR 1 ENGINE FAILURE (PILOT SHUTDOWN). EMERGENCY SERVICES CALLED OUT. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTION REVEALED 'TURBINE FAILURE'. AIRCRAFT STILL ON GROUNNov 1, 2002 · Boeing 7372H4SDR CA021113004Nozzle · unapproved part(CAN) MILITARY PART FOUND INSTALLED ON ENGINE S/N LE-81004. INSTALLED PART MANUFACTURER CODE NUMBER IS 81996, (US MILITARY) IT SHOULD BE 91547. (HONEYWELL OEM) ITEM INSTALLED 7TH MARCH 2001.Oct 31, 2002 · Kaman K1200SDR CA021113003Nozzle · unapproved part(CAN) MILITARY PARTS FOUND INSTALLED ON ENGINE S/N LE-07616. INSTALLED PART MANUFACTURER CODE NUMBER IS 81996 (US MILITARY). IT SHOULD BE 91547. (HONEYWELL OEM). ENGINE S/N LE-07616 OVERHAULED ON 31 MARCH 1993 AT ENGINE TSN:2979.051. 2ND GP NOZZLE P/N 1-12Oct 31, 2002SDR ASOA02573Turbine Blades · fracturedFLT 4086 - DURING FLIGHT FROM GSG-ATL, A LOW OIL PRESSURE MESSAGE ON THE LEFT ENGINE OCCURRED. THE ENGINE WAS SHUTDOWN BY THE CREW AND AN EMERGENCY WAS DECLARED. THE AIRCRAFT LANDED SAFELY IN ATL. MAINTENANCE REMOVED AND REPLACED THE LEFT ENGINE. ACCORDINGOct 29, 2002 · N530AS · Aerosp ATR72212SDR CA021029001Stator · debonded(CAN) NR 2 ENGINE CHIP LIGHT CAME ON IN FLIGHT. FINE HAIR LIKE METAL FOUND ON FORWARD CHIP PLUG. TURBINE REMOVED AND SENT TO SAL FOR TEAR DOWN AND INSPECTION. SILVER PLATING ON 3537 LAB STATOR FOUND DEBONDED CAUSING FINE SILVER SHAVING TO PEEL OFF. STATOR REPAOct 17, 2002 · Skrsky S76ASDR 2002UALA01560Turbine Blades · failedWHILE CLIMBING THROUGH 14000 FT LEFT ENGINE EXPERIENCED A COMPRESSOR STALL. ENGINE SELF RECOVERED AND CLIMB CONTINUED TO FL260. EGT REDLINED, THROTTLE RETARDED TO IDLE. ENGINE WAS REMOVED FOR METAL IN THE TAILPIPE, IT HAD A NORMAL ECM TREND PLOT. AT ENGINEOct 11, 2002 · N529UA · Boeing 757222SDR CA021209008Bearing · failed(CAN) FOUND METAL IN OIL FILTER, AFTER INVESTIGATION FOUND TO NR 3 BEARING FAILURE.Oct 1, 2002SDR CA021209006Bearing · failed(CAN) ON MAINTENANCE CHECK, METAL FOUND IN FILTER, ENGINE TESTED AND ENGINE FAILED DUE TO OIL BYPASS LIGHT ON AND LOW OIL PRESSURE FAILURE OF NR 3 BEARING, SAME REPAIR STATION OVERHAULED THIS BEARING.Oct 1, 2002SDR DL76L021149Turbine Blades · damagedFOUND 1 HPT FIRST STG BLADE WITH HOLE ON BORESCOPE. REPLACED NR 2 ENGINE.Sep 28, 2002 · N184DN · Boeing 767332SDR CA021001005Seal · damaged(CAN) UNSCHEDULED LANDING DUE TO FLUCTUATING OIL PRESSURE AND LOW OIL WARNING LIGHT ON. ENGINE WAS REMOVEDAND REPLACED, TURBINE TEAR DOWN IS IN PROGRESS. ADDITIONAL DETAILS TO FOLLOW.Sep 18, 2002 · Skrsky S76ASDR CA020918012Engine · leaking(CAN) DURING THE DISASSEMBLY OF THE ENGINE FOR HOT SECTION INSPECTION, AN OIL LEAK WAS DISCOVERED IN THE AREA OF THE 3.5 BEARING.Sep 17, 2002 · Cessna 550SDR CA020917004Case · cracked(CAN) DURING ROUTINE MAINTENANCE THE MAINTENANCE CREW NOTICED TWO SMALL CRACKS ON THE RT ENGINE GAS GENERATOR CASE. THESE CRACKS ARE LOCATED AT THE FIRE SEAL MOUNTING ANGLES. THE ENGINE WAS REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE.Sep 16, 2002 · Emb EMB110P1SDR IUXR941LBearing · failedBEARING CAGE SEPARATED DURING ENGINE TEST. (S/N E967). BEARING RETURNED TO BEARING REFURB FACILITY. CURRENTLY PERFORMING ANALYSIS, EARLY INDICATION IS LATENT DEFECTS (CRACKS) IN CAGE.Sep 13, 2002 · Beech 99SDR OZIA200243008Turbine Blades · missingENGINE SHOWED SHIFT IN ITT AND N2 PARAMETERS ON ECTM. BORESCOPE FOUND HP TURBINE MISSING TWO BLADES AND OTHER BLADES WITH CRACKS.Sep 10, 2002 · N430Z · Dorner DO328300SDR 2002FA0001038Stator · crackedAT HOT SECTION INSPECTION THE HT STATOR WAS FOUND TO HAVE AXIAL CRACKS IN SEVERAL PLACES IN THE INNER SHROUD RUNNING FROM THE TRAILING EDGE FORWARD TO 1/2IN. FROM INNER LUGS. AT ONE CRACK THE INNER SHROUD TRAILING EDGE LIFTED UP ENOUGH TO MAKE CONTACT WITH THESep 5, 2002 · N550DS · Cessna S550SDR AT0200075Turbine · failedNR 2 ENGINE FAILED IN CLIMB AT 9,600 FEET HEARD BANG AND SUDDEN YAW TO RIGHT. TURBINE GAS TEMPERATURE INDICATIONS AT 1150 CELSIUS RIGHT ENGINE INSTRUMENTS SPOOLED DOWN TO ZERO. ENGINE RIGHT BEARING OVERHEAT ALERT AND ENGINE RIGHT SYSTEM FAIL ALERT. REMOVED Sep 4, 2002 · N959AT · Boeing 717200SDR AUS20021056Turbine · failed(AUS) NO1 ENGINE SURGED/STALLED ON TAKEOFF. EGT INCREASED AND EXCEEDEDLIMITS. ENGINE INSPECTION FOUND TURBINE FAILURE.Aug 28, 2002 · Boeing 737476SDR QEM2002F00000Vane · fracturedSHORTLY AFTER TAKEOFF, SMOKE WAS REPORTED, SURGE OF NR 2 ENGINE FOLLOWED. INSPECTION AFTER STRIPPING, FOUND THAT 1 HPT STAGE, 2 VANE HAD BEEN LIBERATED. ALL HP AND LP TURBINE AIRFOILS WERE SUBSEQUENTLY DAMAGED. INVESTIGATION SUGGEST HPT STAGE 2 VANE FORWRD Aug 28, 2002 · Boeing 747300
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