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 96ZZZM305Turbine · failedSTL - DURING TAKEOFF, NR 2 ENGINE SUFFERED A TURBINE FAILURE. REMOVED AND REPLACED NR 2 ENGINE. OPERATIONAL AND TRIM CHECKS NORMAL.Jan 16, 1996 · N931TW · Doug DC983SDR CA960126044Diffuser Pipe · cracked(CAN)DURING BOROSCOPE INSPECTION OF THE COMPRESSOR TURBINE VANE RING FOUND WHAT APPEARED TO BE A CRACK OF THE RING. UPON REMOVAL OF THE TURBINE WHEEL THE RING WAS FOUND SERVICEABLE, BUT FURTHER INSPECTION FOUND A DIFFUSER PIPE WELD AT THE DUCT TO BE CRACKED. Jan 11, 1996 · Dhav DHC6300SDR SWIA96001Turbine Wheel · defectiveFLT 432 - AT COMPLETION OF SCHEDULED FLIGHT, ON THE GROUND, PILOT SHUT DOWN LT ENGINE. THE FIRST OFFICER ATTEMPTED TO PULL THE PROP BLADES THROUGH BY HAND TO FACILITATE COOLING OF THE ENGINE. THE PROP BLADES TURNED APPROXIMATELY 6 INCHES AND THE ENGINE SEIZEJan 10, 1996 · N718C · Swrngn SA227ACSDR CA960123029Turbine · seized(CAN)DURING CRUISE FLIGHT, AIRCRAFT YAWED TO THE LEFT. PILOT LOWERED THE COLLECTIVE AND OBSERVED #2 ENGINE HAD FAILED. THROTTLE SECURED, AIRCRAFT RETURNED TO BASE. INVESTIGATION REVEALED N1 GEAR TRAIN UNAB LE TO ROTATE WITH STARTER. ENGINE DISASSEMBLED, TURBINJan 10, 1996SDR 98ZZZX1159Seal · leakingRIGHT ENGINE NR 5 BEARING SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jan 9, 1996 · N911BY · Bolkms BK117A4SDR HEEA966377Wheel · blade delamENGINE REMOVED DUE TO TURBINE OVERHAUL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: SULFIDATION CAUSING DELAMINATION ON ALL 1ST STAGE WHEEL BLADES AND EROSION OF ALL LEADING EDGES. SCRAPPED 1ST STAGE WHEEL.Jan 8, 1996SDR CA960126018Retaining Ring · mis installed(CAN)RETAINING RING FOUND NOT TO BE FULLY INSTALLED DURING A TURBINE REMOVAL. IT WAS APPROXIMATELY 3/4 OF THE WAY OUT. ASSEMBLY RE-SHIMMED AND NEW RETAINING RING INSTALLED. AIRCRAFT RETURNED TO SERVICE.Jan 8, 1996 · Bell 206BSDR CA960111014Blade · missing(CAN)DURING A ROUTINE A-CHECK, A CRACK WAS FOUND IN THE #3 ENGINE TAIL PIPE AND TURBINE REAR BEARING SUPPORT. FURTHER INVESTIGATION SHOWED A PIECE MISSING FROM THE FOURTH STAGE TURBINE BLADE. DAMAGE WAS CONTAINED. TURBINE SENT FOR STRIP REPORT.Jan 8, 1996 · Lkheed 382GSDR AU960688Ring · missing(AUS) ENGINE POWER TURBINE DISC NO3 BEARING COVER PNO 3103204-01 MOVED REARWARDS CONTACTING THE 2ND STAGE POWER TURBINE DISC RIM PNO3029313 - SUSPECT RETAINING RING PNO AS3218-173 NOT FITTED AT LAST ASSEMBLY - PERSONNEL/MAINTENANCE ERRORJan 8, 1996SDR 96ZZZX766Rotating Seal · flange crackedDURING SCHEDULED HOT SECTION INSPECTION, FOUND PART CRACKED AT SEAL FLANGE. NO SIGNS OF ABNORMAL OPERATION WERE EVIDENT. SUBMITTER STATED THIS IS A CRITICAL LIFE-LIMITED COMPONENT. LIMIT IS 10,000 CYCLES. THIS IS THE 25TH MALFUNCTION/DEFECT REPORT SUBMITTEJan 8, 1996SDR P5CA9600121S Flange · crackedFOUND NR 3 ENGINE S-FLANGE CRACKED AT 1:30 O'CLOCK POSITION. WELDING CARRIED OUT IAW AMS 58-17.Jan 5, 1996 · N854FT · Boeing 747122SDR P5CA9600098Bracket · crackedFOUND CRACKED BRACKET AT FLANGE 'P' AT APPROX 1 O'CLOCK OF NR 3 ENGINE. CRACKED BRACKET REPLACED IAW MM 72-50-00.Jan 5, 1996 · N854FT · Boeing 747122SDR AALA960016Elbow · brokenJFK - FLT 0587 - AFTER TAKEOFF JFK DURING CLIMB-OUT AT FL 270, NR 2 ENGINE ECAM ADVISORY ON ENGINE PAGE FOLLOWED BY FIRE WARNING BOTH LOOPS. RETARDED NR 2 ENGINE TO IDLE AND ENGINE FIRE WARNING WENT OUT. ACCOMPLISHED ABNORMAL PROCEDURE AND AIRCRAFT RETURNED Jan 5, 1996 · N50051 · Airbus A300B4605RSDR 9600336628Turbine · failedDURING CLIMB, THE NR 2 ENGINE FIRE WARNING ILLUMINATED. CREW FOLLOWED COCKPIT OPERATING MANUAL, FIRED BOTTLE, IFSD AND SUBSEQUENTLY DUMPED 147,000 LBS OF FUEL AND RETURNED TO LAX. MAINTENANCE FOUND NR 2 ENGINE TURBINE EXHAUST CASE UNCONTAINED FAILURE. REPLAJan 5, 1996 · N628US · Boeing 747251BSDR P5CA9600123R-Flange · crackedFOUND NR 4 ENGINE RIGHT HAND R-FLANGE CRACKED AT 3:30 POSITION. WELDED IAW AMS 58-17 IAW P/W 72-53-01.Jan 4, 1996 · N854FT · Boeing 747122SDR 96ZZZX1728Seal · flange crackedDURING INSPECTION FOR BIRD INGESTION, FOUND AIR SEAL CRACKED AT FLANGE. THIS IS A CRITICAL LIFE-LIMITED COMPONENT. LIMIT - 20,000 CYCLES. SUBMITTER STATES THIS IS THE 27TH MALFUNCTION/DEFECT REPORT ON THIS PART BY THIS FACILITY. PART TOTAL CYCLES, 9,859.Jan 4, 1996SDR AU960275Turbine · faulty(AUS) ENGINE GAS PRODUCER TURBINE ASSEMBLY FAULTY - TURBINE ASSEMBLY HAD NIL HOURS SINCE OVERHAUL - GP SUPPORT MOUNTING FLANGE BENT - DURING DISMANTLING TO CHANGE THE SUPPORT THE FOLLOWING DEFECTIVE ITEMS WERE FOUND :-1. 1ST STAGE NGV PNO 6895021 - CRACKED ANDJan 3, 1996SDR 96ZZZX813Rotating Seal · flange crackedDURING INSPECTION FOR METAL CONTAMINATION, FOUND PART CRACKED AT SEALING FLANGE. THIS IS A CRITICAL LIFE-LIMITED COMPONENT. LIFE-LIMIT IS 20,000 CYCLES. SUBMITTER STATED THIS IS THE 24TH MALFUNCTION/DEFECT REPORT SUBMITTED ON THIS PART BY THIS REPAIR STATIOJan 3, 1996SDR 96ZZZX1726Seal · flange crackedDURING INSPECTION FOR METAL CONTAMINATION, FOUND AIR SEAL CRACKED AT SEALING FLANGE. THIS IS A CRITICAL LIFE-LIMITED COMPONENT. LIFE-LIMIT IS 20,000 CYCLES. SUBMITTER STATES THIS IS THE 24TH MALFUNCTION/DEFECT REPORT SUBMITTED ON THIS PART BY THIS REPAIR STJan 3, 1996SDR P5CA9600108S Flange · crackedNR 2 ENGINE S-FLANGE FOUND CRACKED AT 5:30 O'CLOCK POSITION. REPAIRED IAW MM 72-53-02.Jan 2, 1996 · N854FT · Boeing 747122SDR HEEA966334Blade · delaminatedENGINE REMOVED DUE TO CYCLED OUT WHEELS. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: SULFIDATION ON ALL 1ST STAGE WHEEL BLADES CAUSING SLIGHT DELAMINATION. SCRAPPED 1ST STAGE WHEEL.Jan 2, 1996 · N105WK · Bolkms BO105SSDR HEEA966332Blade · delaminatedENGINE REMOVED DUE TO CYCLED OUT WHEELS. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: SULFIDATION CAUSING SLIGHT DELAMINATION ON FORWARD SIDE OF ALL 1ST STAGE WHEEL BLADES AND EROSION ON LEADING EDGE. SCRAPPED 1ST STAGE WHEEL.Jan 2, 1996 · N2285B · Bell 206B3SDR HEEA966331Blade · delaminatedENGINE REMOVED DUE TO CYCLED OUT 2ND STAGE WHEEL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: SULFIDATION OF 1ST STAGE WHEEL BLADES CAUSING DELAMINATION ON AFT SIDE OF LEADING EDGES. SCRAPPED 1ST STAGE WHEEL.Jan 2, 1996 · N5421E · Bolkms BO105SSDR HEEA966330Blade · errosionENGINE REMOVED DUE TO LOW POWER AND OIL LEAKING. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: 50% OF 1ST STAGE WHEEL SULFIDATED AND DELAMINATED ON FORWARD SIDE OF BLADES AND EROSION OF ALL LEADING EDGES AND BLADE TIPS. SCRAPPED 1ST STAGE WHEEL.Jan 2, 1996 · N5791M · Aerosp AS355F1SDR HEEA966329Coupling · step wearENGINE REMOVED DUE TO TURBINE 3RD STAGE WHEEL REPLACEMENT. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: STEP WEAR BEYOND LIMITS ON N1 COUPLING I.D. SPLINES. INSTALLED NEW N1 COUPLING.Jan 2, 1996 · N5007Y · Bell 206L1SDR 96ZZZX1571Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 29, 1995 · N911BY · Bolkms BK117A4SDR 96ZZZX1570Rotor Assy · blade shiftFAILED SB LT101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT NR 2 PLUS 0.013 INCH. REPLACED WITH USED UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES, 979.4.Dec 29, 1995 · N911BY · Bolkms BK117A4SDR 96ZZZX699Support · misidentifiedC/W SB TFE 731-72-3471, A REWORKED SUPPORT AND SEAL ASSEMBLY MUST BE INSTALLED. THIS REWORKED SUPPORT INCORPORATES A HONEYCOMB SEAL AND IS IDENTIFIED AS P/N 3072412-3. BIZJET ORDERED AND RECEIVED FROM ALLIED SIGNAL (THE ENGINE MANUFACTURER), A SUPPORT AND FADec 27, 1995SDR DLM88954774Turbine · damagedCLIMBING THROUGH FL 240, FELT A STRONG JOLT AND LOUD BANG, THE RT ENGINE EPR AND N1 BEGAN TO DETERIORATE, BUT ALL ELSE WAS NORMAL. ENGINE SHUT-DOWN BEFORE LANDING. FOUND METAL IN T/P. CORRECTIVE-REPLACED NR 2 ENGINE AND T/R. REROUTED TO SHOP. SUPPLEMENT: Dec 26, 1995 · N928DL · Doug MD88SDR 96ZZZX652Turbine · damagedCREW WHILE PERFORMING FIRST FLIGHT OF DAY CHECKS (ON GROUND, TTL PORTION OF CHK), NOTED A LOUD POP FROM LT ENGINE FOLLOWED BY SMOKE FROM ENG COWLS. STOP & FEATHER LEVER PULLED. CREW NOTED FLAMES EMANATING FROM ENG INLET PRIOR TO PROP ROTATION STOPPING. NR 1Dec 24, 1995 · N848JX · Bag JETSTM3201SDR 96ZZZM49Turbine Blade · failedIND - FLT NR 275 - DURING CLIMB, SHUT DOWN NR 1 ENGINE. FOUND METAL PARTICLES IN TAILPIPE. REPLACED ENGINE. ENGINE OPERATION CHECKS NORMAL. INVESTIGATION OF METAL PARTICLES IN TAILPIPE AFTER SHUTDOWN OF NR 1 ENGINE, REVEALED THAT A FIRST STAGE TURBINE BLADDec 21, 1995 · N409EA · Doug DC951SDR CA960612025Pt Stator · cracked(CAN)OPERATOR REPORTED A POWER TURBINE RUB. THE CAUSE OF THE PT TIP RUB WAS A CRACK IN THE 2ND STAGE PT STATOR ON THE FRONT FLANGE. THIS STATOR WAS PRE-SB 20952, THEREFORE DID NOT HAVE THE EXTRA STRENGTHEN ING WELD AROUND THE FRONT FLANGE.Dec 18, 1995 · Dhav DHC8101SDR 96ZZZX1151Nut · loosePILOT REPORTED FLUCTUATION OF N2 RPM INDICATION. UPON INVESTIGATION, FOUND THE PT RETENTION SYSTEM NUT LOOSE WHICH CAUSED GALLING OF THE SPEED INDICATOR PLUG ON THE PT ROTOR, THE FLANGE, SPACER, AND NUT.Dec 15, 1995SDR 96ZZZX1150Plug · galledPILOT REPORTED FLUCTUATION OF N2 RPM INDICATION. UPON INVESTIGATION, FOUND THE PT RETENTION SYSTEM NUT LOOSE WHICH CAUSED GALLING OF THE SPEED INDICATOR PLUG ON THE PT ROTOR, THE FLANGE, SPACER, AND NUT.Dec 15, 1995SDR CA951221035Disc Shaft · loose blades(CAN)ENGINE REMOVED DUE TO BOROSCOPE INSPECTION OF THE 2ND STAGE NOZZLE REVEALING CRACKING IN THE INNER SUPPORT, TO THE MAINTENANCE MANUAL LIMITS. DURING THE ENGINE TEARDOWN THE 3RD STAGE NOZZLE DISC BLADE S WERE FOUND LOOSE, DUE TO LOOSE RIVETS.Dec 14, 1995SDR 96ZZZX763Vane · debondedUNDER NORMAL OPERATING CONDITIONS, THE PROTECTIVE COATING IS DEBONDING FROM THE SURFACE OF NEW VANES. DEFECT WAS FOUND BY BORESCOPING THE ENGINE.Dec 14, 1995 · N309NT · Rkwell NA26540SDR 96ZZZX750Vane · debondingUNDER NORMAL OPERATING CONDITIONS, THE PROTECTIVE COATING IS DEBONDING FROM THE SURFACE (LEADING EDGE) OF NEW VANES. DEFECT WAS FOUND BY BORESCOPING THE ENGINE.Dec 14, 1995 · N306NT · Rkwell NA26540SDR 96ZZZX614Rotor · blade shiftPOWER TURBINE ROTOR INSPECTION, SB LT101-72-50-0153, COMPLIED WITH EARLY DUE TO ANNUAL INSPECTION FOUND UNSERVICEABLE. TIME SINCE INSTALLATION 40.3 HOURS. CYCLES, 65.Dec 13, 1995 · N911RA · Bell 222BSDR 96ZZZX377Support Assy · failedBRITISH AIRWAYS EXPERIENCED AN ENGINE CONDITION SHOWING HIGH OIL CONSUMPTION ON ONE OF THEIR ENGINES. AN INVESTIGATION LED TO A COMPONENT ASSEMBLY FAILURE LOCATED IN THE NR 3 BEARING COMPARTMENT. SUBMITTER RECOMMENDATIONS: COMPLY WITH PRATT AND WHITNEY'S SBDec 13, 1995SDR 96ZZZX28Bearing · spalledDURING PRE-FLIGHT WHILE TURNING RIGHT PROPELLER, HEARD AN UNUSUAL NOISE COMING FROM POWER SECTION. INSPECTED CHIP DETECTOR AND MAIN OIL SCREEN AND FOUND SMALL QUANTITIES OF METAL. REMOVED POWER SECTION FOR REPAIR. FOUND NR 4 BEARING RACE STARTING TO SPALL. Dec 13, 1995 · N887T · Beech B200SDR HEEA956234Wheel · crackedENGINE REMOVED DUE TO 3RD STAGE TURBINE WHEEL INSPECTION. 3RD STAGE WHEEL RETURNED TO ALLISON FOR INSPECTION PER LETTER C1245F-RMG-1195. ZYGLO INSPECTION REVEALED THREE EACH CRACKS 3/16" LONG, 1/16" FROM SHROUD ON L/E. CRACKSLOCATED 180 DEGREES AROUND WHDec 12, 1995 · N22425 · Bell 206L1SDR HEEA956233Wheel · blade crackedENGINE REMOVED DUE TO 3RD STAGE TURBINE WHEEL INSPECTION. 3RD STAGE WHEEL RETURNED TO ALLISON FOR INSPECTION PER LETTER C1245F-RMG-1195. ZYGLO INSPECTION REVEALED FOUR EACH BLADES CRACKED 3/16" LONG, 1/16" FROM SHROUD ON L/E. INSTALLED SERVICEABLE 3RD STADec 12, 1995 · N5745S · Bell 206L1SDR HEEA956232Wheel · blade crackedENGINE REMOVED DUE TO 3RD STAGE TURBINE WHEEL INSPECTION. 3RD STAGE WHEEL RETURNED TO ALLISON FOR INSPECTION PER LETTER C1245F-RMG-1195. ZYGLO INSPECTION REVEALED ONE EACH BLADE CRACKED 3/32" FROM HUB L/E 3/16" LONG, AND ONE EACH BLADECRACKED 1/8" FROM SHROUDec 12, 1995 · N3905B · Bell 206L1SDR HEEA956231Wheel · crackedENGINE REMOVED DUE TO 3RD STAGE TURBINE WHEEL INSPECTION. 3RD STAGE WHEEL RETURNED TO ALLISON FOR INSPECTION PER LETTER C1245F-RMG-1195. ZYGLO INSPECTION REVEALED ONE EACH INDICATION ON L/E 15/16" FROM HUB. INSTALLED SERVICEABLE 3RD STAGE WHEEL.Dec 12, 1995 · N5007Y · Bell 206L1SDR HEEA956230Wheel · blade crackedENGINE REMOVED DUE TO 3RD STAGE TURBINE WHEEL INSPECTION. 3RD STAGE WHEEL RETURNED TO ALLISON FOR INSPECTION PER LETTER C1245F-RMG-1195. ZYGLO INSPECTION REVEALED SIX EACH CRACKS ON L/E OF BLADES 1/8" FROM SHROUD 3/16" LONG. INSTALLED SERVICEABLE 3RD STAGE WDec 12, 1995 · N5017G · Bell 206L1SDR HEEA956229Wheel · blade crackedENGINE REMOVED DUE TO 3RD STAGE TURBINE WHEEL INSPECTION. 3RD STAGE WHEEL RETURNED TO ALLISON FOR INSPECTION PER LETTER C1245F-RMG-1195. ZYGLO INSPECTION REVEALED ONE EACH INDICATION 1/8" FROM SHROUD OF L/E BACK SIDE OF BLADE. INDICATIONDOES NOT GO THROUGH Dec 12, 1995 · N50182 · Bell 206L1SDR HEEA956224Spline Adapter · mis mfgRECEIVING INSPECTION OF NEW, NEVER INSTALLED SPLINE ADAPTER INDICATED I.D. MANUFACTURED .0005" OVER MAX B.P. SPECS OF .6565". ADAPTER MEASURES .657. INSTALLED NEW SPLINE ADAPTER. SHIPMENT OF PART AND SUBMITTAL FOR CREDIT ACCOMPLISHED ON AFA# 24444A.Dec 12, 1995 · N206FS · Bell 206L3SDR 96ZZZX328Turbine Blade · failedDFW/DFW - FLT 224 - ON CLIMB-OUT AT APPROXIMATELY 5,000 FEET, THE CREW HEARD A LOUD BANG, MODERATE VIBRATION WAS FELT AND N1 READING DROPPED TO APPROXIMATELY 60 PERCENT. CREW SHUT DOWN NR 2 ENGINE. SUBSEQUENT TO ENGINE REMOVAL, ENGINE WAS BORESCOPED TO DETERDec 12, 1995 · N930VV · Doug DC932SDR CA960102101Turbine · damaged(CAN)WHILE CLIMBING THROUGH 18,000 FEET A LOUD BANG WAS HEARD AND #1 ENGINE SPOOLED DOWN WITH VIBRATIONS AT 5.0 PLUS. #1 ENGINE WAS SHUTDOWN. POST FLIGHT INSPECTION FOUND EXTENSIVE TURBINE DAMAGE AND 6 SMA LL PUNCTURES IN TAILPIPE THE LARGEST BEING 3/8 INCH. EDec 10, 1995 · Boeing 737275SDR 96ZZZX4271Bearing · defectiveBEARING DEFECTIVE. REMOVED TO FACILITATE OTHER MAINTENANCE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 8, 1995 · N428MB · Bolkms BK117A3
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