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 CA960716006Exhaust Diffuser · cracked(CAN) DURING A ROUTINE VISUAL INSPECTION OF THE EXHAUST DIFFUSER, WHILE THE TAILPIPE WAS REMOVED, A 0.075 INCH CIRCUMFERENTIAL CRACK FOUND ON THE DIFFUSER MIDCONE BETWEEN THE 12 O'CLOCK STRUT AND THE DIFFUSER MOUNTING FLANGE.Jul 6, 1996SDR 96ZZZM1219Turbine · failedOMA - DURING CRUISE NR 2 ENGINE, S/N 3225, WAS SHUTDOWN DUE TO TURBINE FAILURE. ENGINE TOTAL TIME 34,212, CYCLES 17,878.Jul 6, 1996 · N911TW · Doug DC982SDR HEEA967503Nozzle · crackedTURBINE DISASSEMBLED DUE TO LOW POWER ON TEST CELL. UPON INSPECTION OF TURBINE PARTS FOUND CRACKED 1ST STAGE NOZZLE VANES AND INNER BARREL. REPLACED DISCREPANT PART.Jul 5, 1996 · N2268A · Bell 206B3SDR CA960711003Bolt · loose(CAN) DURING ROUTINE TEARDOWN FOR TIME EXPIRED COMPONENT REPLACEMENT TWO REAR HEAT SHIELD BOLTS WERE FOUND LOOSE. ONE BOLT HAD THE LOCK WIRE BROKEN AND HAD BACKED HALF WAY OUT CONTACTING THE 4TH STAGE TURBINE ROTOR CAUSING MINOR DAMAGE. THIS IS THE SECOND INCIJul 4, 1996SDR 97ZZZX859Bearing · failedTURBINE NR 3 BEARING FAILED. NO REPLACEMENT BEARING AT TIME OF THIS REPORT.Jul 4, 1996 · N532KH · Bolkms BK117A3SDR 97ZZZX76Seal Ring · wornSEAL RING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Jul 3, 1996 · N7059N · Bolkms BK117B1SDR 97ZZZX75Spring · wornSEAL RING SPRING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNIT, CORRECTED PROBLEM.Jul 3, 1996 · N7059N · Bolkms BK117B1SDR HEEA967497Wheel · eroded bladesENGINE REMOVED DUE TO CYCLED OUT WHEELS. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: SEVERE EROSION ON #1 AND #2 WHEEL BLADES LEADING EDGES. SCRAPPED 1ST STAGE WHEEL.Jul 2, 1996 · N2275Q · Bell 206B3SDR HEEA967496Wheel · eroded bladesENGINE REMOVED DUE TO CYCLED OUT WHEELS. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: SEVERE EROSION ON #1 AND #2 WHEEL BLADES LEADING EDGES. SCRAPPED 1ST STAGE WHEEL.Jul 2, 1996 · N2275Q · Bell 206B3SDR CA960711002Turbine Blades · damaged(CAN) A #2 ENGINE ICP CHECK WAS BEING CONDUCTED WHEN #1 ENGINE WAS OBSERVED STARTING TO DECELERATE ACCOMPANIED BY A FUEL PRESSURE CAUTION LIGHT. WHILE TROUBLESHOOTING #1 ENGINE PROBLEM ENG FAILED. UPON SHUT DOWN AND INVESTIGATION, A POWER TURBINE FAILURE WAS OJul 2, 1996 · Skrsky S76ASDR ERA96001Cone Assy · missingREAR TURBINE SCAVENGE INSULATOR CONE MISSING FROM NR 2 ENGINE. INSPECTED TURBINE AND TAILPIPE FOR DAMAGE AND REPLACED THE INSULATOR CONE.Jul 1, 1996 · N566EA · Cvac 440SDR 96ZZZX4047Bearing · failedBEARING HAS EXCESSIVE SCORING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jul 1, 1996 · N911BY · Bolkms BK117A4SDR HEEA967493Nozzle · crackedENGINE DISASSEMBLED DUE TO LOW POWER ON TEST CELL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: CRACKS BEYOND LIMITS ON #2 NOZZLE BRAZED AREA BETWEEN DIAPHRAGM AND VANE INNER BAND. REPLACED DISCREPANT PART.Jun 28, 1996 · N205UC · Bolkms BO105SSDR ERAA96271U Ring Gasket · splitU RING SPLIT. RETURNING TO SUPERIOR.Jun 28, 1996 · N296EH · Bolkms BO105ASDR ERAA96270Nozzle · defectiveCRACKS IN DIAPHRAGM AND WARPED VANES.Jun 28, 1996 · N296EH · Bolkms BO105ASDR ERAA96269Nozzle · defectiveOUTER BAND AND VANE CRACKS.Jun 28, 1996 · N296EH · Bolkms BO105ASDR ERAA96266Wheel · wornWHEEL HAS WORN CURVIC DUE TO OUTER SHAFT THAT WAS PURCHASED FROM SUPERIOR , THAT HAS MATERIAL AROUND CURVIC FLAKING OFF. WORN WHEEL IS DUE TO OUTER SHAFT PROBLEM. THE #4 WHEEL IS AN ALLISON PART. SEE ERAA MMIR REPORT #ERAA000258.Jun 27, 1996 · N296EH · Bolkms BO105SSDR ERAA96263Nozzle · pluggedFOUR AIR HOLES ON #2 NOZZLE PLUGGED.Jun 24, 1996 · N297EH · Bolkms BO105SSDR ERAA96261Spline Adapter · plating flakePLATING FLAKING OFF OF SPLINED ADAPTER.Jun 24, 1996 · N296EH · Bolkms BO105SSDR ERAA96260Nozzle · cracked#1 NOZZLE CRACKED.Jun 24, 1996 · N297EH · Bolkms BO105SSDR ERAA96259Spline Adapter · coat flakeCOATING OF SPLINED ADAPTER IS FLAKING OFF.Jun 24, 1996 · N297EH · Bolkms BO105SSDR P5CA9600263S Rail · crackedFOUND NR 2 ENGINE AFT S-RAIL CRACKED AT 2 O'CLOCK POSITION. STRESS RELIEVED IAW MM 72-53-01, WELDED IAW P AND W 72-53-01.Jun 22, 1996 · N859FT · Boeing 747123SDR DL757961504Turbine · damagedNR 1 ENG TURBINE SECTION DAMAGED.Jun 22, 1996 · N657DL · Boeing 757232SDR ERAA96258Outer Shaft · material flakeMATERIAL AROUND CURVIC IS FLAKING OFF.Jun 21, 1996 · N296EH · Bolkms BO105SSDR ERAA96257Outer Shaft · worn curvicOUTER SHAFT HAS WORN CURVIC.Jun 21, 1996 · N297EH · Bolkms BO105SSDR ERAA96256U Ring Gasket · splitU RING GASKET SPLIT.Jun 21, 1996 · N297EH · Bolkms BO105SSDR CA960828003Blade · fractured(CAN) AT 8000 FEET ON CLIMB OUT THE #1 ENGINE TORQUE FLUCTUATED 7-8 PERCENT. THE ITT THEN INCREASED TO 780 DEGREES CELCIUS AND SUBSEQUENTLY THE TORQUE DROPPED TO 50 PERCENT. A GRINDING NOISE WAS HEARD FOLLOWED BY A FIRE WARNING. THE ENGINE WAS SECURED AND THE Jun 21, 1996SDR PCAA9600296Turbine Blade · separatedFLT 3859 - EXPERIENCED A TORQUE FLUCTUATION OF THE NR 1 ENGINE AND INCREASE OF ITT TO APPROX 780 DEGREES. TORQUES DROPPED TO 50 PECENT FOLLOWED BY A LOUD GRINDING NOISE AND ENGINE FIRE INDICATION. INSPECTION VERIFIED NO INDICATION OF FIRE. ENGINE REMOVED ANJun 18, 1996 · N831EX · Dhav DHC8102SDR HEEA967422Nozzle · crackedENGINE REMOVED DUE TO HIGH OIL CONSUMPTION. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: CRACKED AND BOWED BEYOND SERVICEABLE LIMITS ON #1 NOZZLE VANES. REPLACED DISCREPANT PART.Jun 17, 1996 · N5742H · Bell 206L1SDR HEEA967421Nozzle · crackedENGINE REMOVED DUE TO LOW POWER. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: CRACKED BEYOND SERVICEABLE LIMITS ON #1 NOZZLE VANES. REPLACED DISCREPANT PART.Jun 17, 1996 · N7136H · Bolkms BO105SSDR HEEA967420Nozzle · crackedENGINE REMOVED DUE TO CRACKED FIRST STAGE NOZZLE AND LOW POWER ON TEST CELL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: EXCESSIVE RUN OUT (.007) BEYOND SERVICEABLE LIMITS ON #2 NOZZLE TIP PATHS. REPLACED DISCREPANT PART.Jun 17, 1996 · N2251Z · Bell 206L1SDR HEEA967419Engine · low powerENGINE REMOVED DUE TO LOW POWER. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: MINOR SULFIDATION ON ALL 1ST STAGE WHEEL BLADES. SCRAPPED 1ST STAGE WHEEL.Jun 17, 1996 · N7136H · Bolkms BO105SSDR COMA9630127O-Ring · leakingLEFT ENGINE LOW OIL PRESSURE WARNING CAME ON, PRESSURE GAUGE INDICATED 30 PSI. REPLACED THE POWER TURBINE C-SUMP O-RING SEAL.Jun 17, 1996 · N344CA · Saab SF340ASDR ERAA96246Sump Cover · defectivePART SENT FOR OVERHAUL AND RETURNED TO ERA 9-18-95. LARGE U-RING SEALING SURFACE NOT TRUE. U-RING WILL NOT CRUSH EVENLY AND LEAKS.Jun 14, 1996 · N124EH · Bolkms BO105SSDR ERAA96244Exhaust Collecto · mis repairEXHAUST COLLECTOR SENT FOR OVERHAUL 3-18-96 AND RETURNED WITH 4TH NOZZLE TIGHT FIT INTO COLLECTOR.Jun 10, 1996 · N124EH · Bolkms BO105SSDR 96ZZZX3735Turbine · damagedKMIA - AFTER DEPARTURE DURING CLIMB STAGE, SEVERE VIBRATION ON NR 2 ENGINE. INITIATED EMERGENCY PROCDURES, SHUT DOWN NR 2 ENGINE, DUMPED FUEL AND RETURNED TO KMIA LANDING UNEVENTFULLY. FOUND NR 2 ENGINE TURBINE DAMAGED.Jun 8, 1996 · N266US · Boeing 727251SDR HEEA967387Nozzle · defectiveUPON INSPECTION OF PART NOTED THE FOLLOWING: 2-4 SEAL RUN OUT .011 WITH GOOD RUNOUT IN THE TIP PATH. TIP PATH RUNOUT .010 WITH A GOOD 2-4 SEAL RUNOUT. REPLACED DISCREPANT PART.Jun 6, 1996 · Bell 206L1SDR HEEA967386Pt Support · plating flakeUPON INSPECTION OF PART NOTED THE FOLLOWING: PLATING COMING OFF P.T. SUPPORT INNER SUMP SURFACE U-RING SEAT. REPLACED DISCREPANT PART.Jun 6, 1996SDR 96ZZZX5463Rotor Assy · blade shiftFAILED SB LT10172-10-0153. EXCESSIVE IBPT BLADE SHIFT. REPLACED WITH USED UNIT, CORRECTED PROBLEM. H5416Y-001. PART TOTAL CYCLES, 1,218.7.Jun 6, 1996 · N5188B · Bolkms BK117B1SDR HEEA967382Wheel · damagedENGINE REMOVED DUE TO HARD LANDING AND SUDDEN STOPPAGE. REMOVED 3RD STAGE WHEEL PER LETTER C1281F-RMG-1295/CEB A 72-2176. REPLACED DISCREPANT PART.Jun 5, 1996 · Bell 206L1SDR HEEA967380Wheel · blade erodedENGINE REMOVED DUE TO HIGH CYCLED 1ST,2ND AND 3RD STAGE WHEEL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: MINOR SULFIDATION ON 7 EACH 1ST STAGE WHEEL BLADES AND ERODED LEADING EDGES. SCRAPPED 1ST STAGE WHEEL.Jun 5, 1996 · N7136H · Bolkms BO105SSDR 96ZZZX4217Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jun 5, 1996 · N127HH · Bolkms BK117A3SDR 96ZZZX4213Nozzle · crackedNOZZLE ASSY CRACKED BYEOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jun 5, 1996 · N127HH · Bolkms BK117A3SDR 96ZZZX4212Seal Ring · leakingSEAL RING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Jun 5, 1996 · N127HH · Bolkms BK117A3SDR CA960619023Turbine Assy · cracked(CAN) ENGINE FAILED POWER CHECK. TROUBLESHOOTING DISCOVERED FIRST STAGE STATOR VANES CRACKED, 5 IN TOTAL. TURBINE ASSEMBLY REPLACED, AND AIRCRAFT RETURNED TO SERVICE.Jun 4, 1996 · Bell 206BSDR AALA960870Blade · failedORD - FLT 1671 - AFTER TAKEOFF ORD DURING CLIMB-OUT, RIGHT ENGINE FAILED. ACCOMPLISHED SHUTDOWN OF RIGHT ENGINE AND AIRCRAFT RETURNED TO ORD, LANDING OVERWEIGHT WITHOUT INCIDENT. REPLACED RIGHT ENGINE DUE TO TURBINE BLADE FAILURE. ACCOMPLISHED LEAK CHECKS AJun 3, 1996 · N562AA · Doug DC983SDR P5CA9600276R Rail · crackedFOUND NR 1 ENGINE R-RAIL CRACKED AT 10 O'CLOCK POSITION UNDER PRECOOLER DOOR. REMOVED DOOR, STRESS RELIEVED IAW MM 72-53-01, FLAP PEENED R-RAIL IAW SRM 51-10-07, REINSTALLED DOOR IAW MM 36-12-01.Jun 2, 1996 · N853FT · Boeing 747122SDR CA960619019Turbine Assembly · cracked(CAN) SUSPECT THIS WAS A VIBRATION SOURCE THAT CAUSED COMPRESSOR ANTI-ICE PORT TO CRACK AND OUTER COMBUSTION CAN TO CRACK 2". THERE WERE ONLY 88.3 HOURS SINCE FIRST AND SECOND STAGE WHEELS WERE REPLACED.Jun 2, 1996 · Bell 206BSDR 96ZZZX4681Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jun 1, 1996 · N528SF · Bolkms BK117A3SDR 96ZZZX4677Seal Ring · wornFIRST TURBINE SHROUD SEAL RING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH, NEW UNITS, CORRECTED PROBLEM.Jun 1, 1996 · N528SF · Bolkms BK117A3
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