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 CA040929008Cover · out of adjust(CAN) PILOTS NOTED THE ENGINE OIL GETTING DARKER AND THE ENGINE ITT GETTING HIGHER. MAINTENANCE INSPECTED THE ENGINE AND FOUND THAT THE NR3 BRG COVER HAD TURNED AND CAUSED THE EXHAUST DUCT TO CRACK AND SEPARATE INTERNALLY. THE PT BLADES HAD RUB MARK AND ALSO Sep 13, 2004 · Beech A100SDR CA040910005Turbine Blades · damaged(CAN) AFTER TAKEOFF POWER WAS SET A LOUD BANG AND VIBRATION WAS EXPERIENCED FROM THE NR 1 ENGINE. TAKEOFF REJECTED. ENGINE SECURED AND AIRCRAFT RETURNED TO RAMP. VISUALINSPECTION UP TAILPIPE REVEALED ENGINE HAD FAILED INTERNALLY. TURBINE BLADES MISSING.Sep 10, 2004 · Boeing 72725CSDR 2004FA0000889Turbine · shiftedNEW STYLE, PN SEGMENT INSTALLED AT HSI 258 HRS PRIOR. THIS NEW STYLE SEGMENT SHIFTS AFT RESULTING IN HOT SECTION FAILURE. VERY COMMON WITH THIS PN SEGMENT 3053094/ MFG NEEDS TO CHANGE DESIGN.Sep 9, 2004 · N40PT · Beech B200SDR 2004FA0000738Turbine · shiftedNEW STYLE PN SEGMENT INSTALLED AT HSI 258 HOURS PRIOR. THIS NEW STYLE SEGMENT SHIFTS AFT RESULTING IN HOT SECTION FAILURE. VERY COMMON WITH THIS PN SEGMENT, MFG NEEDS TO CHANGE DESIGN.Sep 9, 2004 · N40PT · Beech B200SDR CA040902001Turbine · failed(CAN) ENGINE WAS REMOVED DUE TO TURBINE AND HPC FAILURE. THIS ENGINE IS BEING ROUTED CANADA (MONTREAL) MFG FOR INVESTIGATION AND REPAIR. EVENT: 8/22/04, AIRCRAFT, NR 2 POSITION. WHILE SPOOLING THE ENGINES UP FOR THE TAKOFF ROLL, A LOUD BANG WAS HEARD FROM THESep 2, 2004 · Boeing 717200SDR COMA0460500Seal · leakingLT ENGINE LOW OIL PRESSURE WARNING IFSD. REPLACED THE NR 6 BEARING OIL SEAL.Aug 31, 2004 · N912CA · Cndair CL6002B19SDR 04243425Turbine Blades · damagedBURNING SMELL ON TAKEOFF. DURING BORESCOPE INSPECTION OF RT ENGINE 1ST STAGE HPT BLADE, MX FOUND LEADING EDGE COATING LOOSE. ENGINE IS BEING CHANGED, WAS BAD FROM STOCK.Aug 30, 2004 · N425FJ · Dorner DO328300SDR GUU2005F00017Blade · failedDURING APPROACH, ON SHORT FINAL TO RUNWAY 9 LEFT AT 500 FEET, THE NR2 ENGINE FAILED. LANDED WITHOUT FURTHER INCIDENT. PILOT SHUTDOWN ENGINE ON TAXI IN. REMOVED AND REPLACED NR2 ENGINE ASSY (GG AND PS). OPERATIONAL CHECK NORMAL. NOTE: VERIFIED TO BE 2ND SAug 27, 2004 · N49543 · Beech 1900DSDR CA040902006Turbine Blades · failedDISCOVERED HPT BLADE DAMAGE. CONFIRMED HPT BLADES DAMAGED WITH 1 BLADE MISSING ENTIRE TIP SECT. GAS GEN DEFLECTOR SEG FOUND MISSING SECTIONS & SIGNIFICANT NR OF RIVETS. EXAM OF FRACTURED BLADE SHOWED HIGH STRESS RAPID YIELD FRACTURE WITH NO EVIDENCE OF FATIGAug 27, 2004SDR UIEA200400151Turbine Blades · missingON TAKEOFF ROTATION, ENGINE NR 3 HAD 2 COMPRESSOR STALLS. N1 ROLLED BACK AND RECOVERED, EGT REACHED 950 DEGREES CELSIUS. ON CLIMB-OUT AND CRUISE ENGINE OPERATED NORMAL. PERFORMED TEST 72-00-00-206-050-020. STALL INSPECTION, FOUND HPC STAGE 6, THREE BLADES Aug 24, 2004 · N409MC · Boeing 74747UFSDR ALGA096920Nozzle · out of toleranceNOZZLE HEIGHT WAS MEASURED AT .620Aug 19, 2004 · Clark 1000CLARKSDR CA040908005Turbine · failedDURING HIGH HOVER (LONG LINE) TO PICK UP LOAD, NR 1 POWER SECTION FAILED. INITIAL COMPRESSOR INLET INSPECTION (PLENUM AREA) REVEALED MOLTEN PARTICLES. FURTHER INVESTIGATION WILL COMMENCE ON POWER SECTIONREMOVAL/TEARDOWN INSPECTION. (ALTSN-6421.0).Aug 19, 2004 · Bell 212SDR ERAA097078Carbon Seal · leakingNEW CARBON SEAL ISSUED TO AIRCRAFT BUT COULD NOT BE USED DUE TO LEAKING, UNEVEN SURFACE ON CARBON FACE. RETURNING TO AVIALL ON ERA PACK SLIP NR 5955 REQUESTING CREDIT.Aug 4, 2004 · N125EH · Bolkms BO105SSDR CA041022003Turbine Wheel · unserviceable(CAN) DURING A SCHEDULED CHECK OF THE SECOND STAGE TURBINE BLADES (T2 ) IAW TURBOMECA ASB 292-72-0807 AND AD2004-047 IT WAS DETERMINE THE BLADE SHIFT HAD FAILED THE CHECK. THE GAS GENERATOR WAS REPLACEDAug 1, 2004 · Snias AS350BSDR 2004FA0000815Transition Duct · failedFLIGHT CREW MADE 3 ATTEMPTS TO START NR 3 ENGINE. COCKPIT INDICATION ON N1 AND N2 SHOWED NO ROTATION. 4TH ATTEMPT SHOWED ROTATION WITH A NORMAL START. DURING FLIGHT BACK, CREW NOTED N2 APPROX 2 PERCENT LOWER AT CRUISE. ITT WAS APPROX 100 DEGREES HIGHTER. Jul 30, 2004 · N38WP · Amd FALCON50MYSTSDR 0401256745Engine · failedDURING INITIAL CLIMB AT APPROXIMATELY 300 FT AGL, A LOUD BANG WAS HEARD FROM THE NR 1 ENGINE ALONG WITH LOSS OF THRUST AND RISING EGT. THE CREW PERFORMED THE COM PROCEDURE FOR AN ENGINE FAILURE AND SHUT DOWN THE NR 1 ENGINE. THE FLIGHT RETURNED TO KIX AND LAJul 28, 2004 · N645NW · Boeing 747222BSDR CA040726003Bearing Cage · worn(CAN) UPON RECEIVING A REQUEST, FROM WEAR CHECK, DUE TO A BAD ENGINE OIL SAMPLE, A TEAR DOWN OF THE SUSPECT ENGINE REVEALED THAT THE HIGH SPEED PINION BEARING AND CAGE WERE WORN AND THE SILVER COATING FLAKINGOFF OF THE COMPONENTS. THE PINION HAS BEEN REPLACED.Jul 23, 2004SDR ASMF200407026Turbine · damagedDURING OVERNIGHT SERVICE, BOROSCOPE INSPECTION WAS PERFORMED IAW MM 71-00-02 ON RT ENGINE, DETECTING GUIDE VANE WITH CRACK OUT OF LIMITS ON SECOND STAGE OF TURBINE AT 5 HOURS POSITION APPROXIMATELY. RT ENGINE WAS REPLACED AND DURING TEST, FUEL FLOW INDICATIONJul 23, 2004 · N861LF · Doug MD83SDR HNAA0400160Turbine Blades · crackedON TAKEOFF FROM HHH, AT 1000 FT, HEARD LOUD BANG FROM NR 2 ENGINE. ENGINE AUTO FEATHERED AND TQ WENT 0 PERCENT. COMPLETED SHUT-DOWN PER CHECKLIST AND DIVERTED TO MCAS BEAUFORT. LANDED WITHOUT FURTHER INCIDENT. INVESTIGATION REVEALED HPT BLADE FAILURE. THEJul 22, 2004 · N969HA · Dhav DHC8201SDR AMTA200400912Switch · failedRT TURB OVERHEAT DET 2 STATUS MESSAGE DISPLAYED. COMPLIED WITH FIM 26-13-00 FIG 104 AND FIG 103. REPLACED RIGHT ENGINE TURBINE COOLING OVERHEAT SWITCH NR 2. REF MM 26-13-01-4, OK FOR SERVICE. (M)Jul 22, 2004 · N552TZ · Boeing 75733NSDR CA040928016Line · broken(CAN) UNCOMANDED DECEL TO IDLE. PART CHANGED, ENGINE RETURNED TO NORMAL OPS.Jul 19, 2004 · Bell 212SDR J7B2004F00000Blade · failedHT BLADE FAILURE.Jul 15, 2004 · N409S · Cessna 500CESSNASDR CA040722004Turbine Blades · mismanufactured(CAN) THE ENGINE HAD LANDED AFTER A FLIGHT AND WAS LOADED WITH FREIGHT. AFTER AN UNSUCCESSFUL START ATTEMPT (ONLY 5 PERCENT NG REACHED), A STARTER-GENERATOR WAS REPLACED. THE ENGINE WOULD NOT START SINCE IT WAS SEIZED. A SUBSEQUENT INVESTIGATION SHOWED THAT Jul 13, 2004 · Beech 1900DSDR HDNR200400001Shield · separatedTHE NR 1 NOZZLE SHIELD DOME SEPARATED CAUSING THE TURBINE NR 8 BEARING SCAVENGE STRUT TO CLOG WITH CARBON INDUCED BY THE EXCESS HEAT ALLOWED IN THE AREA BY THE MISSING DOME. WHEN THE SCAVENGE FLOW WAS COMPLETELY LOST, THE OIL WAS FORCED THROUGH THE NR 8 LABYRJul 4, 2004 · N911EB · Bolkms BO105SSDR DJFA2004013Blade · brokenAT FLIGHT LEVEL 390 FT THE CREW HEARD A LOUD THUMP AND VIBRATION ON THE NR 2 ENGINE. ENGINE WAS SHUT DOWN AND AIRCRAFT LANDED AT DAL WITH NO FURTHER PROBLEMS. AFTER FURTHER INSPECTION IT WAS FOUND THAT THERE WERE SOME TURBINE BLADES MISSING. ENGINE WAS REMOJun 30, 2004 · N816CW · Braero BAE125800ASDR CA040629002Bearing · failed(CAN) DURING CRUISE AT 43,000 FT, CREW RECEIVED CHIP DETECTOR MESSAGE, FOLLOWED BY AN OIL FILTER BYPASS MESSAGE ON THE RT ENGINE. A/C WAS BEING FLOWN FOR MAINTENANCE VISIT TO THE MFG SERVICE CENTER. CREW ELECTED TO CONTINUE F LIGHT AFTER RECEIVING THE ABOVE Jun 29, 2004SDR SWAA041779Turbine · failedIN FLIGHT SHUTDOWN / AIR TURNBACK, DURING CLIMB NR 1 ENGINE MADE A LOUD BANG. EGT INDICATION INCREASED TO 1060 DEGS. REMOVED AND REPLACED NR 1 ENG PER MM.Jun 23, 2004 · N346SW · Boeing 7373H4SDR GTIA040627Turbine Wheel · damagedNR 1 ENGINE FAILED DURING TAKEOFF, 10K AND 1.50 EPR. FOUND NR 1 TURBINE SECTION DAMAGED BEYOND LIMITS. REMOVED AND REPLACED NR 1 ENGINE, OPS AND LEAK CHECKED GOOD. (M)Jun 21, 2004 · N824NK · Doug DC983SDR 2004UALA00598Turbine Blades · failedLEFT ENGINE COMPRESSOR STALL DURING APPROACH. ENGINE OPERATED NORMAL AT IDLE BUT CONTINUED TO COMPRESSOR STALL IF POWER GREATER THAN IDLE. NORMAL LANDING AFTER GO AROUND. ENGINE SURGED ON APPROACH. SURGE CHECKS FOUND METAL IN THE TAILPIPE AND ENGINE WAS REMJun 19, 2004 · N670UA · Boeing 767322SDR AWXA200400660Turbine Blades · overheatedON TAKEOFF ROLL AT OAK EN ROUTE FOR LAS FELT A STRONG VIBRATION NR 1 ENGINE, REJECTED TAKEOFF AT 50 KTS AND PULLED OFF ONTO TAXIWAY WHERE EMERGENCY EQUIPMENT INSPECTED THE AIRCRAFT. TAXIED BACK TO GATE USING NR 2 ENGINE. MAINTENANCE REMOVED AND REPLACED NR 1Jun 18, 2004 · N187AW · Boeing 737277SDR CA040617002Bearing · making metalAN IMMEDIATE ENGINE INSPECTION WAS REQUESTED BY WEAR CHECK DUE TO MAJOR SILVER CONTENT IN THE OIL SAMPLE. UPON INSPECTION OF THE ENGINE GEAR CASE THE HIGH SPEED PINION BEARING AND CAGE WERE FOUND TO HAVE THE SILVER COATING FLAKING OFF. THIS PROBLEM IS IDENTJun 16, 2004 · Swrngn SA226TCSDR CA040617003Bearing · overheatedDURING A SCHEDULED ENGINE INSPECTION OF THE HIGH SPEED PINION ASSY A BRIGHT BLUECOLOR WAS NOTICED ON THE PINION GEAR. THE HIGH SPEED PINION SUFFERED SEVERE HEAT DAMAGE CLOSE TO THE POINT OF FAILURE. THIS PART WAS PURCHASED THROUGH AN AMERICAN PARTS DISTRIBUTJun 15, 2004SDR QEM2004F00000Turbine Blades · crackedTHE HPT DISC WAS FOUND WITH 5 CRACKED FIR TREES. MFG WAS INFORMED AND HAVE REQUESTED THE HPT DISC AND HPT BLADES BE RETURNED FOR INVESTIGATION. HPT AND LPT NOZZLE WERE INSPECTED AND NO DEFECTS THAT COULD HAVE AFFECTED THE DISC NOTED. FUEL NOZZLES FLOW, WEREJun 14, 2004 · Boeing 737300SDR ASAA0440137Nozzle · damagedFOUND LEFT NR 1 ENGINE EXHAUST NOZZLE AND PLUG ROTOR AND STATOR HAVE SUSTAINED SEVERE DAMAGE, RIPPED AND TORN BLADE SEGMENTS WITH MISSING MATERIAL. REMOVED AND REPLACED ENGINE PER T/C'S 4855400 AND 48571016. (M)Jun 13, 2004 · N706AS · Boeing 737490SDR 2004F00334Turbine Blades · erodedON APPROACH TO ATW, LT ENGINE INFLIGHT SHUTDOWN DUE TO LOW OIL PRESSURE. AIRCRAFT LANDED WITHOUT INCIDENT. PILOT CALLED DIRECTOR OF MAINTENANCE. DIRECTOR TRAVELED TO ATW, PERFORMED LOSS OF OIL INSPECTION. REPLACED OIL PUMP DUE TO SUSPECTED SCAVENGE FAILURE.Jun 12, 2004 · N58TC · Cessna 500CESSNASDR CA040611004Pinion Gear · worn(CAN) OIL SAMPLE ANALYSIS FINDING RECEIVED FROM WEAR CHECK TO INSPECT ENG DUE TO SILVER IN OIL SAMPLE. DURING TEARDOWN, FOUND PINION GEAR BEARING CAGES, WHICH HAVE SILVER COATING APPLIED DURING MFG. COATING HAD STARTED TO FLAKE OFF, CONTAMINATING OIL. MFG OFJun 11, 2004 · Swrngn SA226TCSDR FXT2004F00000Vane · wornCT-VANE SEGMENTS SLIPPED AND RUBBED INTO THE CT-DISK, CAUSING ABNORMALLY HOT OPERATION OF THE ENGINE. A NEW HOT SECTION WAS IN STALLED AND THE PROBLEM WAS FIXED ALL OPERATING TEMPERATURES WERE NORMAL. THE FIRST TIME THIS HAPPENED WAS IN NOV OF 2003. AT THATJun 8, 2004 · N1263Y · Cessna 208BSDR CA040611003Pin · loose(CAN) AC HAD A CHIP LIGHT ILLUMINATE DURING CRUISE. PREVIOUS DAY A CHIP LIGHT ILLUMINATED AND A SMALL SLIVER OF METAL WAS FOUND ON CHIP DETECTOR. AN OIL SAMPLE WAS TAKEN AND SENT FOR ANALYSIS. AFTER ILLUMINATION OF CHIP LIGHT, ENGINE WAS REMOVED FOR INSP. UPJun 7, 2004 · Swrngn SA226TCSDR 2004FA0000557Retainer · damagedSECOND STAGE STATOR AIR SEAL RETAINING RIVETS FOUND LOOSE DURING INSPECTION/REPAIR FOR TURBINE SECTION DAMAGE. RETAINER PLATE RIVET HOLE DIAMETER(S) WERE ENLARGED BEYOND MAX RIVET MANUFACTURER SPECIFICATIONS. ENGINE MANUFACTURER MANUALS LACK ANY INSPECTION CJun 6, 2004 · N600CMSDR 2004FA0000551Stator · damagedDURING ENGINE START THE OPERATOR OBSERVED SMOKE EXITING THE ENGINE EXHAUST DUCT. THE OPERATOR SHUT THE ENGINE DOWN. VISUAL INSPECTION REVEALED OIL AND IMPACT DAMAGE IN THE EXHAUST PATH. THIRD STAGE TURBINE WHEEL BLADES WERE FRACTURED. FRAGMENTS FROM THE FRJun 6, 2004 · N600CM · Gulstm 695ASDR CA040603007Turbine · locked(CAN) TURBINE HAD AN N2 LOCK UP. SUSPECT UNKNOWN AT THIS TIME. TURBINE SENT TO OVERHAUL SHOP FOR ASSESSMENT.Jun 2, 2004 · Bell 206LSDR CA040602001Blade · failed(CAN) AC YAW AND LOUD BANG IN CLIMB AT 21,000 FT. ENGINE SHUTDOWN UNCOMMANDED. EMERGENCY DECLARED AND AC DIVERTED. ON GROUND INSP FOUND THAT N1 WOULD NOT ROTATE. DISASSEMBLY OF ENG AT RRC SHOWED SEVERE TURBINE DAMAGE. SULPHIDATION, PROBABLY CAUSED THE DEJun 2, 2004 · Emb EMB135ERSDR DL76S040501Turbine Blades · damagedRT ENGINE EGT 950 ON TAKEOFF FOR LESS THAN ONE MINUTE. FOUND LPT BLADES DAMAGED AND BROKEN PER FIM. REPLACED NR 2 ENGINE PER JIC CARD DECK 1T145. C/W NR 2 ENGINE PREFLIGHT AND LEAK CHECKS, NO DISCREPANCIES NOTED.May 30, 2004 · N135DL · Boeing 767332SDR 2004FA0000410Gasket · failedPLENUM FUEL NOZZLE BOSS BLANK-OFF COVER GASKET PN 868746-6 (BLEW OUT) ON 5 OF 5 BOSSES. GASKET FAILURE ALLOWS HOT COMPRESSOR GAS LEAKING. GASKETS WERE ALL REPLACED AND ENGINE WAS TEST RUN. 3 OF 5 NEW GASKETS (BLEW OUT) DURING TEST RUN.May 24, 2004SDR 2004FA0000409Gasket · failedPLENUM FUEL NOZZLE BOSS BLANK-OFF COVER GASKET PN 868746-6 (BLEW OUT) ON 5 OF 5 BOSSES. GASKET FAILURE ALLOWS HOT COMPRESSOR GAS LEAKING. GASKETS WERE ALL REPLACED AND ENGINE WAS TEST RUN. 3 OF 5 NEW GASKETS (BLEW OUT) DURING TEST RUN.May 24, 2004SDR CA040804005Check Valve · out of rig(CAN) WHILE DOING 100 HOUR INSPECTION ITEMS DUE TO ENGINE SWAP TO ALTERNATE A/C, FOUND THAT THE TURBINE CHECK VALVE 23074872 WAS SEIZED WHEN THE CLAMP MS 122911 WAS TIGHTENED. VALVE/CLAMP CONFIGUATION IS CORRECT IAW IPC/CEB1349. CHECK VALVE WOULD FUNCTION WIMay 14, 2004 · Bell 206BSDR ARWA20040505Blade · damagedNR 2 ENGINE EGT (EXHAUST GAS TEMPERATURE) IS 40 DEGREES HIGHER THAN OTHER ENGINES IN CRUISE. ALL OTHER PARAMETERS NORMAL. ON POST-FLIGHT INSPECTION, NR 2 ENGINE APPEARS TO HAVE T4 BLADES DAMAGED. UPON INSPECTION, NR 2 ENGINE TURBINE 1ST STAGE (T-1) VANE BLAMay 13, 2004 · N906R · Doug DC863FSDR AUS20040400Turbine Blades · cracked(AUS) COMPRESSOR TURBINE BLADES (3 OFF) CRACKED. CRACKS EMANATE FROM BLADE TIP RADIALLY TOWARDS BLADE ROOT. CRACK LENGTHS UP TO APPROXIMATELY 7MM (0.27IN). FOUND DURING BOROSCOPE INSPECTION.May 12, 2004 · Beech B200CSDR MASA200400253Engine · hot startASH 2767 CLT. CREW REPORTED THE NR 2 ENGINE EXPERIENCED HUNG START WITH EXCESSIVE TAILPIPE FLAME. MX INVESTIGATED AND FOUND ACCORDING TO CMC THAT THE ITT MAXIMUM LIMITS WERE EXCEEDED AT 927 DEGREES C FOR 9 SECONDS AND N1 & N2 WERE OVERSPEED. MX CHANGED NR 2 ENMay 7, 2004 · N830MJ · Emb EMB145LRSDR CA040505004Retaining Ring · collapsed(CAN) THE HOT SECTION WAS GIVEN A SCHEDULED BORESCOPE INSPECTION. CT SHROUD SEGMENTS HAD SHIFTED AXIALLY. DISMANTLE SHOWED THE RETAINING RING TO HAVE DISTORTED AND BECOME DISLOCATED. THIS PROBLEM HAS BEEN DOCUMENTED ON OTHER ENGINES. MFG HAS ISSUED P/N 311Apr 30, 2004
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