JASC 7230

Service difficulty reports · 5,066

Reports filed under 7230 · Turbine Engine Compressor 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 = '7230'
  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 96ZZZX4016Blade · crackedAFTER DISASSEMBLY OF THE 9TH STAGE COMPRESSOR DISK, FOUND 3 BLADES WITH CRACKS IN THE ROOTS. THESE CRACKS ARE ON THE CONCAVE SIDE OF THE BLADE, BEGINS AT THE TRAILING EDE OF THE ROOTS, AND RUNS ALONG THE PRESSURE SIDE. ONE OF THESE BLADES IS ALMOST TOO LOOSEJun 6, 1996SDR HEEA967310Tie Bolt · mis mfgUPON INSTALLATION NOTED THE FOLLOWING: UNABLE TO ENGAGE THREADS INTO 1ST STAGE WHEEL. UPON INSPECTION OF PART NOTED THE FOLLOWING: IMPROPERLY MACHINED THREADS ON TIE BOLT FWD END.Jun 4, 1996 · N81832 · Bolkms BO105SSDR 96UAL900404Compressor · stalledNUMBER ONE ENGINE COMPRESSOR STALLED IN FLIGHT. ENGINE DID NOT SHUTDOWN, IT RECOVERED AND CONTINUED TO CNF UNDER NORMAL CONDITIONS. NO ENGINE PARAMETERS WERE EXCEEDED. *S/D* ENGINE WAS REMOVED AND ANALYZED IN TEST CELL. THE ENGINE MET ALL LIMITS WITHIN THJun 4, 1996 · N606UA · Boeing 767222SDR SWHA96003Compressor Seal · cokedPILOT REPORTED ON SCHEDULED FLIGHT 432, FROM CRP TO AUS, APPROXIMATELY 20 MINUTES PRIOR TO LANDING 'EXHAUST FUMES IN CABIN AND COCKPIT, COMPLAINTS FROM CREW AND PAX'. INVESTIGATION REVEALED THE NR 2 ENGINE COMPRESSOR SEAL TO BE LEAKING. THE COMPRESSOR SEAL WJun 3, 1996 · N718C · Swrngn SA227ACSDR CA960619020Compressor Assy · cracked(CAN) DURING TROUBLESHOOTING OF LACK OF POWER PROBLEM, A CRACKED FORWARD SUPPORT FOR ANTI-ICE PORT WAS FOUND. THERE WERE 276.7 HOURS SINCE REPAIRED FOR VIBRATION PROBLEM. UNIT REPLACED AND RETURNED TO SERVICE.Jun 2, 1996 · Bell 206BSDR USAASB96095Engine · bird strikeMCI - FL 800 - FLIGHT WAS CLIMBING OUT OF MCI WHEN THE A/C STRUCK A DUCK AT 3,500 FEET WITH THE RIGHT ENGINE. FLIGHT RETURNED TO FIELD AS A PRECAUTIONARY MEASURE. ALL ENGINE INDICATIONS WERE NORMAL. NO EMERGENCY WAS DECLARED AND THE FLIGHT LANDED WITH NO FUMay 30, 1996 · N266AU · Boeing 7372B7SDR 96UAL900371Compressor · failedDURING TAKEOFF EXPERIENCED THREE COMPRESSOR STALLS FROM RIGHT ENGINE. AIRCRAFT RETURNED TO FIELD. *S/D* STALLS WERE THE RESULT OF HIGH PRESSURE COMPRESSOR DAMAGE DUE TO A FAILED 9TH STAGE BLADE. ENGINE REPLACED.May 30, 1996 · N544UA · Boeing 757222SDR 96UAL900369Compressor · failedWHEN TAKEOFF THRUST WAS SET HEARD LOUD BANG FROM RIGHT SIDE OF AIRCRAFT. SMOKE SEEN IN NR 4 ENGINE. FIRED BOTH BOTTLES TO ENGINE. *S/D* HIGH COMPRESSOR STG 5 BLADE FAILURE, NO EVIDENCE OF FIRE. REPLACED ENGINE.May 30, 1996 · N171UA · Boeing 747422SDR HEEA967270Spline Adapter · frettedENGINE REMOVED DUE TO COMPRESSOR OVERHAUL. UPON INSPECTION OF COMPRESSOR PARTS NOTED THE FOLLOWING: FRETTING BEYOND OVERHAUL LIMITS ON SPLINED ADAPTER O.D. REPLACED DISCREPANT PART.May 29, 1996 · N4294R · Bolkms BO105SSDR 96ZZZM1042Turbine · damagedSTL - DURING APPROACH SHUT DOWN NR 2 ENGINE, S/N 1722, DUE TO INCREASING EGT. ACCOMPLISHED NORMAL LANDING. FOUND TURBINE DAMAGE AND METAL PARTICLES IN TAILPIPE. REPLACED ENGINE. ENGINE OPERATION THEN CHECKED NORMAL.May 28, 1996 · N410EA · Doug DC951SDR 9611812705Compressor · stalledEN ROUTE ORD-BOS, THE NR 2 ENGINE EXPERIENCED COMPRESSOR STALLS AND ENGINE PARAMETER FLUCTUATION AT FL 370. A PRECAUTIONARY SHUT-DOWN OF THE NR 2 ENGINE WAS ACCOMPLISHED. THE FLIGHT WAS DIVERTED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NRMay 22, 1996 · N802E · Boeing 727225SDR 9611345529Compressor · stalledDURING CLIMB, THE NR 2 ENGINE EXPERIENCED TWO COMPRESSOR STALLS AND THEN SHUT DOWN, NO RESTART WAS ATTEMPTED. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT FURTHER INCIDENT. THE ENGINE WAS BORESCOPE INSPECTED, NO DAMAGE FOUND. ENGINE MAG PLUGS WERE INSPECTED May 22, 1996 · N529US · Boeing 757251SDR HEEA967251Blades · brokenENGINE REMOVED DUE TO OIL LEAK FROM #1 BEARING AREA AND SMOKING. UPON INSPECTION OF COMPRESSOR PARTS NOTED THE FOLLOWING: 2 EACH BLADES BROKEN OFF .250 AND .365 FROM 2ND-3RD STAGE WHEEL BLADE ROOT AREA. FRONT SUPPORT EXHIBITS 5 EACH VANES DISLODGED FROM HUBMay 21, 1996 · N81832 · Bolkms BO105SSDR P5CA9600232Comp Blades · bird strikeUPON INSPECTION OF NR 1 ENGINE DURING MAINTENANCE, FOUND EVIDENCE OF BIRD STRIKE ON FAN BLADES AND FAN EXIT DIAPHRAGM. COMPLIED WITH CONDITIONAL INSPECTION PER 5-51-14 AND BORESCOPE INSPECTION PER MM 72-00-00. FOUND 6 EACH 5TH STAGE COMPRESSOR BLADES BENT BEYMay 20, 1996 · N858FT · Boeing 747123SDR 9611221155Compressor · stalledDURING LANDING ROLLOUT, THE NR 1 AND NR 3 ENGINES EXPERIENCED COMPRESSOR STALLS IN REVERSE. MAXIMUM TEMPERATURE WAS AT 700 DEGRESS CELSIUS FOR BOTH ENGINES. BOTH ENGINES WERE SHUT DOWN AND RESTARTED. CREW FOLLOWED COCKPIT PROCEDURE AND TAXIED TO THE GATE WIMay 20, 1996 · N155US · Doug DC1040SDR AU960766Fan Blade · bird strike(AUS) NO2 ENGINE SUFFERED A BIRD STRIKE CAUSING SEVERE FAN BLADE DAMAGE - ONE FAN BLADE FRAGMENT EXITED FORWARD OF THE ENGINE AND PENETRATED THE NOSE AND FAN COWLSMay 19, 1996 · Boeing 737377SDR CA960527009Anulus Seal · out of position(CAN)IN CRUISE DURING ICING CONDITIONS, #1 ENGINE VIBRATION WENT UP TO 2.5 UNITS. MAINTENANCE FOUND ANULUS FILLER SEAL OUT OF POSITION BETWEEN N1 BLADES. SEAL RESEATED PER MAINTENANCE MANUAL.May 18, 1996 · Boeing 75723ASDR 96UAL900356Bearing · failedNR 3 ENGINE OIL FILTER BYPASS LIGHT CAME ON IN CLIMB. REDUCED POWER AND LIGHT STAYED ON. OIL PRESSURE AND TEMPERATURE NORMAL. RETURNED TO SFO. *S/D* THE NR 3 BEARING CAGE FAILURE WAS DUE TO A FRACTURE AT THE CAGE RIVET HOLE CAUSED BY EXCESSIVE BALL SOCKETMay 17, 1996 · N7253U · Boeing 727222SDR TAOA059605C1 Bearing · failedFLT NR 6011 - LGA-BOS - VERY LOUD NOISE OCCURRED, TAKEOFF WAS REJECTED, NR 3 ENGINE SHUT DOWN, DUE C1 BEARING FAILURE. REPLACED NR 3 ENGINE. (M)May 16, 1996 · N915TS · Boeing 727254SDR HEEA967237Carbon Seal · wornENGINE REMOVED DUE TO TURBINE CYCLED OUT #2 WHEEL AND CRACKED SCROLL. UPON INSPECTION OF COMPRESSOR PARTS NOTED THE FOLLOWING: WORN BEYOND SERVICEABLE LIMITS ON CARBON SEAL ASSY. TANGS AND TANG SLOTS. REPLACED DISCREPANT PARTS.May 15, 1996 · N3207Q · Bell 206L3SDR HEEA967236Spline Adapter · stepwearENGINE REMOVED DUE TO TURBINE CYCLED OUT #2 WHEEL AND CRACKED SCROLL. UPON INSPECTION OF COMPRESSOR PARTS NOTED THE FOLLOWING: STEP WEAR BEYOND SERVICEABLE LIMITS ON SPLINE ADAPTER INTERNAL SPLINES. REPLACED DISCREPANT PARTS.May 15, 1996 · N3207Q · Bell 206L3SDR HEEA967235Gearshaft · stepwearENGINE REMOVED DUE TO TURBINE CYCLED OUT #2 WHEEL AND CRACKED SCROLL. UPON INSPECTION OF COMPRESSOR PARTS NOTED THE FOLLOWING: STEP WEAR BEYOND SERVICEABLE LIMITS ON SPUR ADAPTER GEARSHAFT FORWARD SPLINES. REPLACED DISCREPANT PARTS.May 15, 1996 · N3207Q · Bell 206L3SDR 96ZZZX3125Compressor · stalledASE - FLT 650 - WHILE APPLYING TAKEOFF POWER, NR 2 ENGINE POPPED AND SHUT DOWN. DEN MX LOCKED DOWN ENGINE AND WILL 3-ENGINE FERRY TO ATW. REMOVED AND REPLACED ENGINE.May 14, 1996 · N606AW · Bag BAE146200ASDR MALA964990Comp Seal · leakingFLT NR 3134 - AFTER TAKEOFF FROM MSP, THE CREW NOTED SMOKE IN THE COCKPIT AND CABIN. THE SMOKE DISSIPATED AFTER THE CREW TURNED OFF THE BLEED AIR SYSTEMS. THE AIRCRAFT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE RIGHT ENGINE COMPREMay 12, 1996 · N425MA · Swrngn SA227ACSDR CA960521006Compressor · damaged(CAN)DURING DESCENT, LARGE TORQUE FLUCTUATIONS ON #1 ENGINE ACCOMPANIED BY FLAMES FROM THE EXHAUST AND SMOKE IN THE CABIN. ENGINE SECURED AND LANDED OK. LARGE AMOUNT OF OIL IN THE EXHAUST AREA AND SIGNIFIC ANT DAMAGE IN THE COMPRESSOR AREA.May 10, 1996SDR CA960521005Blades · fractured(CAN)IN CRUISE, #2 ENGINE PARAMETERS DROPPING. ENGINE SECURED AND RETURN TO POINT OF DEPARTURE. INVESTIGATION REVEALED THE COMPRESSOR TURBINE BLADES FRACTURED NEAR THE ROOT PLATFORM.May 10, 1996 · Beech C90SDR 96ZZZX2935Rotor Assy · defectivePOWER CHECK RESULTS - LOW POWER. COMPRESSOR ASSY REPLACED, DISCREPANCY CLEARED. (ALLISON MODEL 250 REPORT NR A 134718).May 10, 1996 · N911FT · Hughes 369DSDR 96ZZZM965Igv Ram · defectiveON RIA FLT NR 1683 LAS-FLL - DURING ROTATION NR 3 ENGINE HAD A PARTIAL POWER LOSS EPR DROPPED TO 1.160 WITH THROTTLE AT TAKEOFF POSITION, FUEL COMT AMP WAS PLACED TO OVRD AND TGT REACHED 700 DEGREES AT ONE-THIRD THROTTLE WITH N2 OVER 100 PERCENT. ENGINE WAS TMay 10, 1996 · N764BE · Lkheed 10113851SDR EIAA9611650Compressor · damagedJFK - WHILE TROUBLESHOOTING NR 1 ENGINE THROTTLE BINDING, FOUND APPROXIMATELY 1 INCH BY 6 INCH PIECE ROLLED BACK ON THE STAGE 7 COMPRESSOR CASE JUST ABOVE THE FUEL OIL COOLER ATTACH FLANGE. REMOVED AND REPLACD ENGINE NR 1. FURTHER INVESTIGATIN IS UNDERWAY. May 9, 1996 · N482EV · Boeing 747212BSDR DLM11961115Compressor · failedON TAKEOFF LOUD BANG LEFT SIDE, VIBRATION, ABORTED T/O. A/C REPORTED SMOKE AND FIRE, FIRED NR 1 AGENT BOTTLE. SHUTDOWN PER CHECKLIST. FOUND COMPRESSOR HAD FAILED, METAL IN TAILPIPE AND BELOW 2.5 BLEED OPENING. MTC IN PROGRESS.May 9, 1996 · N806DE · Doug MD11SDR 96UAL900328Blades · failedDURING GEAR RETRACTION DETECTED A LOUD REPORT ACCOMPANIED BY AIRCRAFT SHAKING. SHORTLY AFTER, HEARD TWO ADDITIONAL BANGS ALONG WITH JERKING. EGT BEGAN TO RISE, RETURNED RIGHT ENGINE TO IDLE. RE-APPLICATION OF POWER TO RIGHT ENGINE RESULTED IN CONTINUED COMMay 8, 1996 · N524UA · Boeing 757222SDR HEEA967098Case Halves · excess rubENGINE REMOVED DUE TO N1 LOCKUP. UPON INSPECTION OF COMPRESSOR PARTS NOTED THE FOLLOWING: PLASTIC LIFTING AND EXCESSIVE RUB IN CASE HALVES FIRST STAGE AREA. REPLACED CASE HALVES.May 6, 1996 · N8197X · Bolkms BO105SSDR CA960723515Blade · damaged(CAN) DURING AIRCRAFT WALK AROUND SEVERE DAMAGE TO THE RIGHT ENGINE FAN BLADES WAS OBSERVED. DAMAGE WAS TO EVERY FIRST STAGE FAN ROTOR BLADES AND TO MOST SECOND STAGE FAN ROTOR AND STATOR BLADES. PRELIMINARY REPORT.May 4, 1996 · Doug DC932SDR WRLA96021Compressor · stalledDURING TAKEOFF AT ROTATION, FLIGHT CREW EXPERIENCED COMPRESSOR STALL ON NR 2 ENGINE. FLIGHT ENGINEER NOTED A 6 PERCENT DROP IN N-1 SPEED. DURING INITIAL CLIMB-OUT, CREW NOTED SECOND COMPRESSOR STALL. AIRCRAFT RETURNED TO POINT OF DEPARTURE, LANDING WITHOUT May 3, 1996 · N117WA · Doug DC1030SDR 96ZZZX3411Rotor Spool · crackedDURING NDT INSPECTION, A CRACK WAS FOUND IN THE 3-9 HPC SPOOL. THE CRACK IS NOT IN THE AREA DESCRIBED IN THE AD ON SPOOLS.May 3, 1996SDR 96ZZZX2824Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 1, 1996 · N71703 · Bolkms BK117B1SDR 96ZZZX2818Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 1, 1996 · N5188B · Bolkms BK117B1SDR 96ZZZX2812Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 1, 1996 · N417BK · Bolkms BK117B1SDR 96ZZZX2811Bearing · plating wornBEARING PLATING WORN OR PEELING OFF. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 1, 1996 · N417BK · Bolkms BK117B1SDR 96ZZZX2808Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 1, 1996 · N128HH · Bolkms BK117A1SDR 96ZZZX2807Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 1, 1996 · N128HH · Bolkms BK117A1SDR 9609502283Compressor · stalledNR 2 ENGINE EXPERIENCED A COMPRESSOR STALL ON TAKEOFF ROLL. THE TAKEOFF WAS ABORTED AND THE FLIGHT RETURNED TO THE GATE. MAINTENANCE INSPECTED THE ENGINE. NO DISCREPANCIES WERE NOTED. THE AIRCRAFT RETURNED TO SERVICE.May 1, 1996 · N283U · Boeing 727251SDR 9609765635Bearings · failedDURING CRUISE FLIGHT, THE NR 1 ENGINE OIL FILTER EICAS MESSAGE ENUNCIATED AND N2 VIBRATION LEVEL WAS 4.0 MAX. THE NR 1 ENGINE WAS SHUT DOWN AND THE AIRCRAFT DIVERTED TO CVG AND LANDED WITHOUT FURTHER INCIDENT. GROUND MAINTENANCE FOUND METAL ON CHIP DETECTOR Apr 30, 1996 · N536US · Boeing 757251SDR HEEA967080Gearshaft · stepwearENGINE REMOVED DUE TO TURBINE CYCLES. UPON INSPECTION OF COMPRESSOR PARTS NOTED THE FOLLOWING: STEP WEAR BEYOND OVERHAUL LIMITS ON AFT SPLINES. REPLACED WITH SERVICEABLE PART.Apr 29, 1996 · N31219 · Skrsky S76ASDR 9609321143Compressor · stalledAT TOP OF DESCENT, THE NR 2 ENGINE EXPERIENCED A COMPRESSOR STALL. THE ENGINE WAS SHUTDOWN AND A HIGH ALTITUDE RAPID RESTART WAS ATTEMPTED BUT DID NOT START. A SECOND RESTART WAS SUCCESSFUL AND FLIGHT CONTINUED TO MCO WITHOUT FURTHER INCIDENT. MAINTENANCE PApr 28, 1996 · N133JC · Doug DC1040SDR DL757961007Compressor · stalledAFTER TAKEOFF AT 500 FEET, HAD 3 COMPRESSOR STALLS ON RT ENGINE, THROTTLE RETURNED TO IDLE. EMERGENCY DECLARED AND RETURNED TO SFO WITH ENGINE AT IDLE. VISUALLY INSPECTED ENGINE AND CHECKED ALL CHIP DETECTORS AND MAIN OIL FILTER, ALL OK. BORESCOPE INSPECTIOApr 27, 1996 · N675DL · Boeing 757232SDR 96ZZZX5191Tablock · missingTABLOCK FOUND MISSING AT PRE-FLIGHT INSPECTION CONDUCTED ON 4-26-96. THE LAST OVERHAUL PERFORMED BY EAC ON 8-4-94. WHEN INSPECTING THE COMPRESSOR THROUGH THE INLET, CONTACT OF 3RD STAGE BLADE WAS NOTED ON FACE OF 4TH STAGE STATOR NEAR CENTERLINE OF ENGINE (RApr 26, 1996 · N178AC · Skrsky S64FSDR CA960723512Blade · nicked(CAN) PRIOR TO TAKEOFF, ENGINE RUN-UP COMPLETED TO 1.4 EPR, ALL INDICATIONS NORMAL. DURING TAKEOFF ROLL TWO COMPRESSOR STALLS OCCURRED BEFORE 100 KNOTS. TAKEOFF ABORTED. MAINTENANCE INVESTIGATION REVEALED 3 ENGINE FAN BLADES NICKED ON LEFT ENGINE FROM ICE INGEApr 25, 1996 · Doug DC932SDR 96ZZZX2607Bearing · failedPART IS AN FAA PMA BEARING. BEARING CAGE CAME APART CAUSING 'CHIP' LIGHT. BEARING FAILURE ALSO CAUSED SPALLING OF THE INNER RACE ON SPUR ADAPTER GEARSHAFT. THIS GEARSHAFT COUPLES (DRIVES) TURBINE AND COMPRESSOR.Apr 24, 1996 · N205LF · Bolkms BO105CSDR 96ZZZX2595Gearshaft Race · spalledTHE RACE OF THIS SPUR ADAPTER GEARSHAFT SUPPORTS THE TWO AND ONE-HALF BEARING. THE TWO AND ONE-HALF BEARING CAGE FAILED SPALLING THE RACE. THIS GEARSHAFT DRIVES THE TURBINE AND COMPRESSOR. THIS IS AN FAA PMA PART MFG BY SUPERIOR PARTS.Apr 24, 1996 · N205LF · Bolkms BO105C
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