JASC 7250

Service difficulty reports · 3,625

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 HEEA0015765Wheel · corrodedENGINE REMOVED DUE TO LOW POWER. UPON INSPECTION OF TURBINE PARTS NOTED: MINOR SULPHIDATION ON 12 BLADES. SCRAPPED NR 1 WHEEL.Aug 26, 1998 · N5031U · Bolkms BO105SSDR 99ZZZX1698Shroud · damagedEXCESSIVE GP BLADE TIP RUB. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Aug 26, 1998 · N527RM · Bolkms BK117A4SDR AU981338Blade · fractured(AUS) LEFT ENGINE 3RD STAGE LOW PRESSURE TURBINE BLADE SEPARATED. 4TH STAGE LPT BLADES DENTED ON THE TRAILING EDGES. PART TC: 6,640.Aug 24, 1998SDR UIEA9805Turbine · failedANC - AFTER TAKEOFF AT FL 310, NR 2 ENGINE FLAMED OUT IN CRUISE. ATTEMPTED RE-START ENGINE AND NO HELP. NO N2 INDICATION. AIRCRAFT DUMPED FUEL AND HAD UNEVENTFUL RETURN TO ANC. DURING INSPECTION OF ENGINE AT ANC, FOUND EVIDENCE OF METAL IN THE TAIL PIPE ANAug 21, 1998 · N517MC · Boeing 747243BSDR 98ZZZX3585Bearing · failedIN-FLIGHT, ENGINE POWER LOSS. LT ENGINE SLOWED AND LOST POWER. PILOT FEATHERED PROPELLER. FLIGHT LANDED WITHOUT INCIDENT. ENGINE REMOVED. ENGINE, SN PCE21765, PT6A-20, DISASSEMBLED. BEARING NR 2 FOUND FAILED. BEARING EXAMINED FOR LUBRICATION STARVATION.Aug 20, 1998 · N603PA · Beech B90SDR AU981078Turbine · cracked(AUS) SECOND STAGE TURBINE WHEEL CRACKED IN THREE PLACES. CRACK LENGTHS APPROXIMATELY 25.4 MM (1 INCH). PART TC: 1,621.Aug 19, 1998SDR 99ZZZX558Bearing · spalledTHE ENGINE WAS REMOVED FROM SERVICE 367 HOURS/155 CYCLES SINCE HEAVY REPAIR DUE TO METAL BEING PICKED UP ON THE MAGNETIC CHIP DETECTOR (ANGLE GEARBOX). THIS METAL IDENTIFIED AS BEING BEARING CAGE MATERIAL. STRIP OF THE BEARING WAS FOUND WITH HEAVY WEAR IN ALAug 18, 1998 · Boeing 747*SDR 98ZZZX3682Case · damagedDURING CLIMB FROM MIAMI, THE ENGINE (POS NR 1) EXPERIENCED TWO SURGES WITH EGT EXCEEDING 796 DEGREES CELSIUS FOR 15 SECONDS. AN IN-FLIGHT SHUT DOWN AND AIR TURN BANK EFFECTED. DISASSEMBLY INSPECTION AT PWORC REVEALS 360 DEGREE FAILURE OF THE HPT CASE WALL APAug 18, 1998 · Boeing 767SDR 99ZZZX616Seat · crackedPART WAS REJECTED DUE TO 0.125 INCH CRACK ON TOP SURFACE. JOB FOR: WESTFIELD GAGE.Aug 12, 1998SDR TWRA9844Turbine · crackedDURING ROUTINE INSPECTION, AN .9375 INCH CRACK WAS FOUND ON THE LOW PRESSURE TURBINE CASE EXITING OUT OF THE EGT THERMAL COUPLE PORT AT THE 1 O'CLOCK POSITION. ENGINE WAS REMOVED FROM SERVICE. (M)Aug 6, 1998 · N617FF · Boeing 747121SDR 98ZZZX3320Blade · fracturedENGINE REMOVED FROM SERVICE FOR 'METAL IN THE TAILPIPE'. DISASSEMBLY OF THE ENGINE REVEALED A FRACTURED 4TH STAGE COMPRESSOR BLADE. CAUSE OF FAILURE IS UNDER INVESTIGATION AT GEES.Aug 6, 1998SDR HEEA0015309Collector Ring · defectiveRECEIVING INSPECTION REVEALED: EXCESSIVE RUNOUT .010 INCH BEYOND SERVICEABLE LIMITS ON EXHAUST COLLECTOR. FORWARD PILOT AND VENT ORIFICE TUBE OUT OF ROUND. INSTALLED A DALLAS AIRMOTIVE OVERHAULED EXHAUST COLLECTOR.Jul 29, 1998 · N1545X · Skrsky S76ASDR HEEA0015308Support · defectiveRECEIVING INSPECTION REVEALED: EXCESSIVE RUNOUT .013 INCH BEYOND SERVICEABLE LIMITS ON G.P. SUPPORT FORWARD FLANGE. INSTALLED A DALLAS AIRMOTIVE OVERHAULED G.P. SUPPORT.Jul 29, 1998 · N1545X · Skrsky S76ASDR 98ZZZX3002Turbine · failedON TAKEOFF FROM GSO ON FLT 405 AT 500 FEET AGL, THE NR 1 ENGINE SHUT DOWN DUE TO APPARENT LPT FAILURE. THE TURBINE WAS CONTAINED AND NO FIRE OR OTHER DAMAGE OCCURRED. THE FLIGHT CREW CONTINUED TO 2,000 FEET, DECLARED EMERGENCY TO GSO TOWER, WAS CLEARED VISUAJul 28, 1998 · N220US · Boeing 7372H5SDR CA980827006Bolt · cracked(CAN) SHORTLY AFTER TAKEOFF, PILOT NOTICED THE ENGINE WOULD NOT PRODUCE PROPER POWER (30 POUND TORQUE AT 700 T5). THE AIRCRAFT CONTINUED TO DESTINATION. POST-FLIGHT INSPECTION RUN-UP INDICATED RUBBING SOUND FROM COMPRESSOR TURBINE AREA. THE ENGINE WAS SPLIT Jul 24, 1998 · Dhav DHC2MK3SDR 98ZZZX4065Blade · brokenIN CRUISE FLIGHT AT 11,500 FEET, ALL NR 1 ENGINE OIL PRESSURE DROPPED FOLLOWED BY A SPLIT IN TORQUE. OIL PRESSURE LIGHT AND NR 2 CHIP LIGHT. PILOT SHUT NR 1 ENGINE DOWN AND LANDED AT NEAREST AIRPORT (5 MINUTES). UPON REMOVAL OF NR 1 POWER SECTION, FOUND POWJul 23, 1998 · N911VR · Bell 212SDR CA981125032Shield · cracked(CAN) HEAT SHIELD FOUND CRACKED ON THE AFT EDGE.Jul 21, 1998 · Snias AS350BSDR 98ZZZX2971Blade · failedTURBINE SUFFERED COMPLETE FAILURE OF BOTH N1 AND N2 TURBINES. PART IS IN THE GE ENGINE SERVICES - DALLAS LAB FOR INVESTIGATION.Jul 21, 1998SDR 98ZZZX4115Rotor Assy · damagedEXCESSIVE GP BLADE TIP RUBS CAUSED BY FAILURE (WARPAGE ) OF GP SHROUD P/N 4-111-007-20, TT: 1,282.2 HOURS. REPLACED WITH REPAIRED UNIT, CORRECTED PROBLEM. PART TC: 3,445.4.Jul 20, 1998 · N7060G · Bolkms BK117B1SDR 98ZZZX4114Shroud · warpedEXCESSIVE WARPAGE WHICH RESULTED IN GP ROTOR BLADE DAMAGE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jul 20, 1998 · N7060G · Bolkms BK117B1SDR CA981030001Nozzle · cracked(CAN) INSPECTION FOUND CIRCUMFERENCE CRACKS ON THE OUTER BAND OF THE NOZZLE ASSEMBLY. NOZZLE WAS CRACKED APPROXIMATELY 75 PERCENT OF THE OUTER CIRCUMFERENCE WHERE THE OUTER BAND WAS REPLACED DURING LAST OVERHAUL. FAULT WAS FOUND DURING REPAIR OF 1ST STAGE TUJul 18, 1998SDR AU981122Bearing · failed(AUS) NR 2 ENGINE 4/5 BEARING SUSPECT FAULTY.Jul 14, 1998SDR HEEA0015155Wheel · mismanufacturedENGINE REMOVED DUE TO COMPRESSOR OVERHAUL. TURBINE DISASSEMBLED DUE TO LOW POWER ON TEST CELL. UPON INSPECTION OF TURBINE PARTS NOTED: MEASURED .006 INCH OVER BLUEPRINT SPECS (6.190-6.191) ON NR 1 WHEEL OUTSIDE DIAMETER. INSTALLED A NEW NR 1 WHEEL.Jul 13, 1998 · N50293 · Bolkms BO105SSDR CA980916035Nozzle · cracked(CAN) PILOT REPORTED TOT OF 813C FOR 6 SECONDS. INSPECTION FOUND THE TURBINE FIRST STAGE NOZZLE CRACKED AND ERODED ON 19 VANES. THE COMBUSTION LINER 980916051 WAS ALSO CRACKED. THE OVERTEMP IS NOT CONSIDERED THE SOURCE OF EITHER THE TURBINE OR COMBUSTION LIJul 9, 1998 · Hughes 369DSDR CA980916067Stator · overheat(CAN) DURING WALK-AROUND, THE PILOT FOUND THE PROP HARD TO TURN BY HAND. MAINTENANCE SUSPECTING EXCESSIVE RUBBING, REPLACED THE ENGINE. ENGINE WAS SENT FOR INVESTIGATION, DISASSEMBLY FOUND HEAT DISTRESS TO THE NR 1 STAGE STATOR, APPROXIMATELY 30-40 PERCENT OJul 8, 1998SDR CA980724059Wheel · rubbing(CAN) ON WALK-AROUND, THE PILOT NOTICED THE PROP WAS HARD TO TURN BY HAND. MAINTENANCE INSPECTION SUSPECTED EXCESSIVE WHEEL RUB. ENGINE REMOVED FOR INVESTIGATION. FURTHER REPORT TO FOLLOW. PART TC: 9,965.Jul 8, 1998SDR 99ZZZX617Seal · crackedCRACKS - 2 PLACES ON TOP SURFACE, AS MARKED 0.250 INCH AND 0.450 INCH.Jul 8, 1998SDR CA980819001Bearing · failed(CAN) CHIP DETECTOR LIGHT ILLUMINATED FOLLOWED BY ENGINE VIBRATION, ON NR 1 ENGINE. ENGINE WAS SECURED. POST-FLIGHT INSPECTION FOUND THE NR 3 BEARING HAD FAILED CAUSING METAL CONTAMINATION TO THE C-BOX. THE BEARING WAS PREVIOUSLY A RE-MANUFACTURED BII BEARIJul 2, 1998 · Bell 212SDR 98ZZZX3360Seal · failedENGINE WAS REMOVED FOR MAKING METAL. REMOVED NR 5 BEARING AND FOUND METAL IN BEARING CAVITY. REMOVED NR 5 BEARING FOR INSPECTION AND FOUND METAL SLIVERS UNDER NR 5 BEARING NUT AND CAP LOCK WASHER.Jul 2, 1998 · N477AL · Bell 407SDR USAASB98164Turbine · failedFLL - FLT 1638 - AFTER TAKEOFF AT 800 FT, THE NR 1 ENGINE EXPERIENCED A TURBINE FAILURE. CREW SHUT DOWN THE NR 1 ENGINE IN FLIGHT. AN EMERGENCY WAS DECLARED AND THE FLIGHT RETURNED TO FIELD AT FLL WITHOUT FURTHER INCIDENT. TOTAL SINGLE ENGINE TIME WAS 17 MIJun 30, 1998 · N404US · Boeing 737401SDR CA980707057Rivets · loose(CAN) NOISE EMITTING FROM ENGINE FOUND TO BE LOOSE RIVETS. ENGINE REMOVED FOR REPAIR. PART TC: 3,008.Jun 30, 1998 · Swrngn SA227ACSDR 98ZZZX3615Blade · damagedUPON ATTAINING CRUISE ALTITUDE FL 290, ENGINE STALLED AND FIRE WARNING ACTIVATED. DISASSEMBLY INSPECTION REVEALED TWELVE 2ND STAGE TURBINE BLADES BROKEN AT PLATFORM AND AN ADDITIONAL 10 BLADES BROKEN APPROXIMATELY ONE INCH ABOVE PLATFORM. HPT MODULE 851 HOURJun 26, 1998SDR 99ZZZX614Seat · crackedTHIS IS A CHROME FACED SEAL. AFTER REMOVING CHROME, CRACKS ARE FOUND IN THE BASE METAL. USUALLY, LIGHT MACHINING WILL REMOVE THE INDICATION, BUT THIS CONDITION GETS WORSE OVERALL AND SUBMITTER STATED THE CRACKS ON THIS PART CANNOT BE REMOVED.Jun 25, 1998SDR AALA981254Blade · failedDFW - FLT 392 - ON TAKEOFF FROM DFW, EN ROUTE DFW-IAD, EXPERIENCED SEVERE VIBRATION FROM NR 2 ENGINE. VIBRATION WAS NOTICED IN THE CABIN AND COCKPIT. N2 ROLLED BACK TO ZERO. ACCOMPLISHED PRECAUTIONARY SHUTDOWN CHECKLIST. DECLARED AN EMERGENCY AND RETURNED Jun 21, 1998 · N859AA · Boeing 727223SDR 98ZZZX2472Engine · failedDURING TAKEOFF, TOT LIGHT CAME ON. PILOT RETURNED TO OFFSHORE PLATFORM AND MADE AN UNEVENTFUL LANDING. DURING HOT-END INSPECTION, ENGINE COMPONENTS FOUND OUT OF LIMITS. MAINTENANCE REPLACED ENGINE ASSEMBLY.Jun 18, 1998 · N16938 · Bell 206L1SDR CA990203016Blade · damaged(CAN) ENGINE WAS INDUCTED IN THE SHOP FOR HIGH PRESSURE NOZZLE GUIDE VANE (NGV) BURNS. ON DISASSEMBLY OF ENGINE, TWO VANES WERE FOUND TO HAVE THE COMPLETE LEADING EDGE BURNED AWAY. THE METAL LOSS EXTENDED TO THE MIDSPAN INTERNAL BULKHEAD OF THE VANE. THE PAJun 17, 1998 · Airbus A320211SDR CA980629024Blade · burned(CAN) DURING ENGINE DISASSEMBLY IN THE SHOP FOR BURN HP NGV, TWO VANES WERE FOUND TO HAVE THE COMPLETE LEADING EDGE BURNED AWAY. THE METAL LOSS EXTENDED TO THE MIDSPAN INTERNAL BULKHEAD OF THE VANE. FURTHER EVALUATION BEING CARRIED OUT.Jun 17, 1998 · Airbus A320211SDR 98ZZZX2471Tie Bolt · failedDURING AN ACCIDENT INVESTIGATION ON A BELL 206B2 CONVERTED TO B3, NOTED THE ENGINE TURBINE, 2ND STAGE WHEEL FLY-AWAY DAMAGING THE HELICOPTER FUSELAGE. FURTHER INVESTIGATION REVEALED THE TIE-BOLT BROKE ABOUT .25 INCH FROM THE THREADED AREA. THE TIE-BOLT WAS RJun 17, 1998 · N2944W · Bell 206BSDR 99ZZZX1799Shroud · tip rubEXCESSIVE GP BLADE TIP RUB. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jun 13, 1998 · N528SF · Bolkms BK117A3SDR AU980641Bolt · loose(AUS) ENGINE COMPRESSOR TURBINE AIR SEAL STATOR ATTACHMENT BOLTS (8OFF) LOOSE. BOLTS WERE FITTED WITH TAB WASHERS WHICH HAD NOT BEEN LOCKED. SIXTEEN OTHER BOLTS WERE FOUND TO BE TIGHT BUT NOT FITTED WITH TAB WASHERS. FOUND DURING DISASSEMBLY FOR OVERHAUL.Jun 12, 1998 · Ayres S2RT34NORMALSDR 99ZZZX1685Shroud · damagedEXCESSIVE GP BLADE TIP RUB. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jun 9, 1998 · N117CW · Bolkms BK117A4SDR 98ZZZX2536Bearing · failedENGINE REMOVED FOR MAKING METAL. UPON INSPECTION BEARINGS FOUND BAD NR 5 BEARING. SOURCE OF METAL WAS CAUSED BY GEARBOX TORQUE METER AND PINION GEAR DETERIORATING.Jun 8, 1998 · N567AL · Bell 407SDR 98ZZZX2533Bearing · galledENGINE WAS REMOVED FOR MAKING METAL. INSPECTED AND FOUND GALLING ON NR 5 BEARING AND METAL SLIVERS UNDER NR 5 BEARING NUT AND CUP WASHER. ALSO FOUND NR 5 BEARING INTERNAL OUTER RACE DETERIORATING.Jun 8, 1998 · N407AL · Bell 407SDR 98ZZZX2532Rotating Seal · making metalENGINE WAS REMOVED FOR MAKING METAL. REMOVED NR 5 BEARING AND FOUND METAL IN BEARING CAVITY. REMOVED NR 5 BEARING FOR INSPECTION AND FOUND METAL SLIVERS UNDER NR 5 BEARING NUT AND CAP LOCK WASHER.Jun 8, 1998 · N477AL · Bell 407SDR 98ZZZX2583Wheel · crackedUPON REMOVAL OF 3RD STAGE TURBINE WHEEL FOR CYCLE LIMIT, FOUND A CRACK COMPLETELY THROUGH THE WHEEL SHROUD AND A PORTION OF ONE BLADE.May 29, 1998 · N911ET · Bolkms BO105SSDR 98ZZZX2241Rod · crackedINSPECTION FOUND GAS PRODUCER INTERCONNECT TUBE WITH CRACKS, 2 EACH, 180 DEGREES APART AT SHORT END.May 27, 1998 · N524FB · Hughes 500NSDR GLBA98085Turbine · failedCREW WAS TAXIING OUT TO THE RUNWAY, HEARD A LOUD BANG AND SHUT DOWN THE ENGINE (LT). FIRST AND SECOND STAGE POWER TURBINE BLADES APPEAR TO HAVE FAILED. (M)May 25, 1998 · N179YV · Beech 1900DSDR M9QR564NAirseal · crackedWHILE RE-EVALUATING THE DATA FOR TI-JT8D-117 ON WELDING OF THE KNIFE EDGE AIRSEALS ON 2ND, 3RD, AND 4TH STAGE ROTATING AIRSEALS, CRACKING WAS DETECTED IN THE PEDESTAL RADIUS. THE PART WAS DAMAGED AS THE RESULT OF THE LASER WELDING PROCESS. THE INVESTIGATIONMay 21, 1998SDR AU981015Bearing · failed(AUS) LEFT ENGINE NR 4 BEARING CAGE FAILED. METAL CONTAMINATION OF OIL SYSTEM.May 21, 1998 · Beech B200CSDR 98ZZZX2243Airseal · crackedWHILE RE-EVALUATING THE DATA FOR TI-JT8D-117 ON WELDING OF THE KNIFE EDGE AIRSEALS ON 2ND, 3RD, AND 4TH STAGE ROTATING AIRSEALS, CRACKING WAS DETECTED IN THE PEDESTAL RADIUS. THE PART WAS DAMAGED AS THE RESULT OF THE LASER WELDING PROCESS. THE INVESTIGATION May 21, 1998
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