JASC 7210

Service difficulty reports · 873

Reports filed under 7210 · Turbine Engine Reduction Gear, 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 = '7210'
  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 CA960614021Bearing · spalled(CAN)REDUCTION GEARBOX METAL CONTAMINATION. #15 BEARING SUFFERED A MAJOR FAILURE WITH SPALLING ON THE ROLLERS AND THE OUTER RACE. NOTE: ENGINE LOGS INDICATE THAT M50 BEARING MATERIAL PLATELETS WERE DISCOVE RED IN THE RGB 2 MONTHS BEFORE THIS FAILURE BUT NO FURMar 8, 1996 · Aerosp ATR42*SDR 96ZZZX2218Bearing · galledUPON DISASSEMBLY OF GEARBOX, CLEANED AND INSPECTED PARTS AS REQUIRED. FOUND EXCESSIVE GALLING ON PTO AFT, BEARING INNER RACE. EXCESSIVE GALLING, BEARING INNER RACE, POSSIBLY DUE TO BEARING CAGE OUT-OF-ROUND CAUSING TIGHT FIT BETWEEN INNER AND OUTER RACE AND Mar 7, 1996 · N768AL · Skrsky S76ASDR 96ZZZX2300Bearing · crackedGEAR CASE WAS RETURNED FOR OIL CONTAMINATION. UNIT WAS DISASSEMBLED AND AN EXAMINATION OF INTERNAL HARDWARE REVEALED A CRACKED INNER RACE ON THE PROPELLER SHAFT FORWARD ROLLER BEARING RACE. LEFT - TSI 4,239.5 HRS. CSI, 4,048.Mar 4, 1996 · N202KD · Saab 340BSDR 96ZZZX1824Scavenge Body · wornUPON DISASSEMBLY OF GEARBOX, REMOVED OIL PUMP ASSY. VISUALLY INSPECTED, SHOWED WEAR AT SCAVENGE BODY SURFACE, AND IN THE TUBE BONE. SCAVENGE TUBE WORN IN SCAVENGE BODY. SUSPECT CAUSE IS DUE TO IMPROPER FIT OR ALIGNMENT BRACKETS.Mar 2, 1996 · N701AL · Skrsky S76SDR HEEA966758Gearbox · making metalMETAL GENERATION FROM #1 POWER SECTION COMBINING GR BOX.Feb 28, 1996 · N2261D · Bell 412SDR SIMA960521Shaft · damagedLAW - DURING INSPECTION OF RT ENGINE, POWER GEARBOX (PGB) PROPELLER SHAFT FOLLOWING PROPELLER REMOVAL, THE SHAFT FLANGE SHOWED EVIDENCE OF FRETTING IN AREA INBOARD OF MOUNTING BOLT HOLES. THIS DAMAGE TRAVELED 360 DEGREES AROUND FLANGE AREA AND APPEAR TO BE APFeb 21, 1996 · N314AE · Saab 340BSDR CA960312019Bearing · wrong part(CAN) THIS GEARBOX HAD AN UNAPPROVED BEARING INSTALLED IN IT FROM OVERHAUL. THE GEARBOX WAS REPLACED PRIOR TO NEXT FLIGHT TO COMPLY WITH A LETTER RECEIVED FROM TRANSPORT CANADA. ASSEMBLY REPLACED, AND AIRCRAFT RETURNED TO SERVICE.Feb 19, 1996 · Bell 212SDR CA960312009Red Gearbx · mis assembly(CAN) GEARBOX WAS RECEIVED DIRECTLY FROM MANUFACTURER WITH SEVERAL DISCREPANCIES IN QUALITY OF ASSEMBLY. THE TWO COUPLINGS P/N 3024973 BETWEEN C-BOX AND GOVERNORS WERE NOT INSTALLED PROPERLY (COMPLETELY MISSING). ELBOW MS9194-04 ON TOP OF GOVERNOR WAS JAMMED IFeb 19, 1996 · Bell 212SDR 96ZZZX1117Bearing · spalledINSPECTION FOUND RGB NR 15 BEARING SPALLED.Feb 15, 1996SDR SWIA95715Red Gear Box · failedLEFT ENGINE FAILED IN FLIGHT, NO ABNORMAL INDICATIONS NOTED PRIOR TO EVENT. HOOKED UP FUEL GAUGE TO LEFT FUEL PUMP OUTPUT AND MONITORED ENGINE, NO FUEL PRESSURE REGISTERED. PULLED CHIP DETECTOR PLUG AND FOUND METAL ON PLUG. REMOVED OIL FILTER AND FOUND SUBSFeb 10, 1996 · N2698C · Swrngn SA227ACSDR 96ZZZX2357Scavenge Tube · bracket brokenUPON DISASSEMBLY OF GEARBOX, REMOVED OIL PUMP ASSY, AND SCAVENGE TUBE. FOUND ALIGNMENT BRACKET ON SCAVENGE TUBE BROKEN. ALIGNMENT BRACKET AT LOWER END OF SCAVENGE TUBE WAS FOUND BROKEN AT WELD AREA. SUSPECT CAUSE IS DUE TO IMPROPER FIT ON ALIGNMENT BRACKETSFeb 7, 1996 · N366AL · Bell 206L3SDR 96ZZZX1116Bearing · spalledINSPECTION FOUND REMOTE GEARBOX NR 19 BEARING SPALLED.Feb 7, 1996SDR 96ZZZX846Tab Washer · crackedGEARBOX RETURNED TO HAMILTON STANDARD FOR FAILED BORESCOPE REPAIR. AT DISASSEMBLY OF THE DRIVE (BULL) GEAR, HAMILTON STANDARD DISCOVERED THE TABBED WASHER WAS CRACKED. THE CRACK IS ADJACENT TO A TAB AND EXTENDS THROUGH TO THE INSIDE DIAMETER TAB. THE DRIVE Feb 6, 1996 · N3903G · Saab SF340ASDR CA960614020Bearing · spalled(CAN)REDUCTION GEARBOX METAL CONTAMINATION. #15 BEARING HAD A LARGE SPALL OVER 60 DEGREES OF THE OUTER RACE. SEVERAL STEEL COMPONENTS WERE HEAVILY MAGNETISED AND #18 AND #19 BEARINGS SHOWING SIGNS OF ELECT RICAL PITTING LEADING TO BELIEVE THAT LIGHTNING STRIKEFeb 5, 1996 · Dhav DHC8102SDR HEEA966576Gearbox · making metalCOMBINING GEARBOX MAKING METAL.Jan 31, 1996 · N3893P · Bell 412SDR CA960612028Bearing · spalled(CAN)METAL ON THE RGB CHIP DETECTOR. #18 BEARING BALLS SPALLED. ELECTRICAL PITTING FOUND ON #15 AND #19 BEARINGS ON IDLER DRIVE, THEREFORE THE SPALLING ON THE #18 BEARING IS LIKELY DUE TO ELECTRICAL DISCHA RGE FROM AN EXTERNAL AIRCRAFT SOURCE.Jan 30, 1996 · Aerosp ATR42*SDR 96ZZZX780Bearing · failedFIRST STAGE REDUCTION GEAR BEARING FAILED CAUSING GEAR TO BIND OR SEIZE CAUSING POWER TURBINE SHAFT TO SHEAR CAUSING ENGINE TO STOP. CAUSE OF BEARING FAILURE UNKNOWN.Jan 25, 1996 · N5WG · Beech 65A90SDR AU960131Bearing · failed(AUS) RH ENGINE TORQUE SENSOR BEARING FAILED - METAL CONTAMINATION OF OIL SYSTEM - INVESTIGATION FOUND THAT THE CHIP DETECTOR WIRING WAS CROSSED AT THE FIREWALL PREVENTING OPERATION OF THE CHIP DETECTOR LIGHTJan 22, 1996 · Gulstm 690ASDR HEEA966482Tube Assy · leakingENGINE REMOVED DUE TO OIL LEAKING AT GEARBOX SPLIT LINE. UPON INSPECTION OF GEARBOX PARTS NOTED THE FOLLOWING: OIL TRANSFER TUBE FAILED DIMENSIONAL CHECK IN ACCORDANCE WITH CEB1307. INSTALLED A NEW OIL TUBE ASSY.Jan 19, 1996 · N5421E · Bolkms BO105SSDR CA960612027Bearing · spalled(CAN)METAL ON RGB CHIP DETECTOR. #14 BEARING OUTER RACE SPALLED, ROLLERS FLAKING AND CAGE CRACKED.Jan 18, 1996 · Emb EMB120SDR CA960612026Bearing · spalled(CAN)METAL ON THE RGB CHIP DETECTOR. #15 BEARING SPALLED SEVERELY. SMALL AMOUNT OF RESIDUAL MAGNETISM DETECTED ON PROPELLER SHAFT AND #18 AND #19 BEARING RACES.Jan 18, 1996 · Aerosp ATR42*SDR CA960123019Chip Detector · broken(CAN)WHILE REMOVING COMBINING GEARBOX CHIP DETECTOR, ALL OIL DRAINED FROM THE GEARBOX. THIS SHOULD NOT HAVE HAPPENED AS THE CHIP DETECTOR IS A SELF SEALING TYPE. THE HOUSING WAS REMOVED FOR INSPECTION AND THE CHIP DETECTOR PLUG AND SPRING WERE MISSING. CHIP DJan 18, 1996 · Bell 212SDR CA960123018Oil Seal · worn(CAN)WHILE MONITORING AIRCRAFT OIL CONSUMPTION IT WAS FOUND THAT THE COMBINING GEARBOX OIL WAS TRANSFERRING TO #2 ENGINE. THE GEARBOX WAS REMOVED AND THE PROBLEM WAS CAUSED BY THE ROTATION OF A WORN CARBONSEAL ROTATING IN THE RETAINER (P/N 3023913), WEARING THJan 18, 1996 · Bell 212SDR 96ZZZX749Tab Washer · brokenGEARBOX RETURNED FOR: PROP SHAFT SEAL RUNNER HAS CADMIUM PLATING MISSING. AT DISASSEMBLY, DISCOVERED TABBED WASHER WAS BROKEN INTO 3 PIECES. DRIVE GEAR RETENTION NUT WAS REMOVED WITH NO TORQUE APPLIED. THE TABBED WASHER HAS BEEN SUPERSEDED BY 7895922.Jan 17, 1996 · N95MQ · Saab SF340ASDR HEEA966449Gearbox · failedCOMBINING GEAR BOX IS TRANSFERRING OIL TO BOTH ENGINES, 1 QUART OIL PER 4 FLIGH T HOURS.Jan 15, 1996 · N2298Z · Bell 412SDR 96ZZZX890Sun Gear · defectiveALTHOUGH ALL INDICATIONS POINT TO AN ELECTRICAL DISCHARGE, THE POSSIBILITY OF A SUN GEAR FAILURE IS NOT BEING RULED OUT. THE NR 6 BEARING AND THE SUN GEAR WILL BE SHIPPED FOR FURTEHR INVESTIGATION.Jan 15, 1996 · N5YV · Beech 1900DSDR 96ZZZX458Gearbox · failedRIC - ON CLIMB-OUT, THE LEFT ENGINE INDICATED A POWER LOSS (RPM DROPPED TO 13,800 AT MAX). THE CREW DECLARED AN EMERGENCY AND RETURNED TO RIC. DURING DESCENT, LEFT GENERATOR LIGHT, LEFT ALTERNATOR LIGHT, AND LEFT GEARBOX OIL PRESSURE LIGHT CAME ON. ALL TEMPJan 12, 1996 · N722FE · Fokker F27MK500SDR GMAL9501025Seal Housing · crackedCIRCUMFERENCE CRACK OF OUTPUT GEARSHAFT SEAL HOUSING IN STEP-DOWN RADIUS OF HOUSING, 2:00 O'CLOCK TO 6:00 O'CLOCK POSITIONS. THIS SEAL RETAINER WAS REPLACED BY LYCOMING AT TOTAL TIME 583.6 ENGINE HOURS. (X)Jan 2, 1996 · N135KA · Kaman K1200SDR GMAL9501024Seal Housing · crackedCIRCUMFERENCE CRACK OF OUTPUT GEARSHAFT SEAL HOUSING IN STEP-DOWN RADIUS OF HOUSING, LEFT AND RIGHT SIDES. (X)Jan 2, 1996 · N134KA · Kaman K1200SDR GMAL9501022Seal Housing · crackedCIRCUMFERENCE CRACK OF OUTPUT GEAR SHAFT HOUSING IN STEP-DOWN RADIUS OF HOUSING, LEFT AND RIGHT SIDES 2:00 O'CLOCK TO 5:00 O'CLOCK AND 7:00 O'CLOCK TO 10:00 O'CLOCK POSITIONS. (X)Jan 2, 1996 · N132KA · Kaman K1200SDR 96ZZZX738Gearbox Housing · unbondingUPON DISASSEMBLY AND INSPECTION OF THE GEARBOX PARTS, HOUSING INSPECTION FOUND BRONZE LIFTING FROM TACK GEN. PAD. POSSIBLE CAUSE FOR BRONZE PLATING UNBONDING IS DUE TO SURFACE CORROSION ON HOUSING AND OIL ACCUMULATION UNDER BRONZE DEBONDS PLATING.Dec 29, 1995 · N1084Y · Bell 206L1SDR CA960612032Bearing · spalled(CAN)METAL ON THE RGB CHIP DETECTOR, #15 BEARING INNER RACE SPALLED. NO OBVIOUS CAUSE FOR THE FAILURE AND NO EVIDENCE OF PITTING BY ELECTRICAL DISCHARGE.Dec 21, 1995 · Aerosp ATR42*SDR HEED95417Seal Ring · leakingFRONT SEAL ON POWER SHAFT LEAKING ON #1 ENGINE . REPLACED UNIT.Dec 13, 1995 · N476X · Skrsky S76CSDR 96ZZZX724Bearing · spalledINNER BEARING OUTER RACE SPALLED. ENGINE REMOVED FROM SERVICE FOR REMOTE GEARBOX MIO.Dec 10, 1995SDR 96ZZZX723Bearing · spalledSPALLED INNER RACE ON RGB NR 15 BEARING.Dec 8, 1995SDR HEEA956209Gearbox · making metalCOMBINING GR BOX MAKING METAL.Dec 7, 1995 · N33008 · Bell 412SDR HEEA956205Gearbox · oil leakOIL TRANSFER FROM #1 ENGINE TO GEARBOX.Dec 7, 1995 · N22347 · Bell 412SDR 96ZZZX725Bearing · spalledSPALLED OUTER RACE NR 15 BEARING OF RGB.Dec 5, 1995SDR CA960115001Bearing · spalled(CAN)"C" BOX WAS GENERATING METAL ON THE #2 SIDE. UPON DISASSEMBLY OF THE GEARBOX IT WAS NOTED THAT THE #5 INNER BEARING HAD ONE OF THE BALLS STARTING TO SPALL.Nov 22, 1995 · Bell 212SDR 95ZZZX6894Pto Gear · cracked4-24-95 - RECEIVED GEARBOX FROM A/C N709AL-PTN WITH PTO GEAR CRACKED. CONDITION - FOUND PTO GEAR CRACKED AT FWD END ABOVE SPLINED AREA. SUSPECT OVERTORQUE ON OUTPUT SHAFT.Nov 14, 1995 · N709AL · Skrsky S76ASDR CA951102004Quill Shaft · overheated(CAN)GEAR BOX REMOVED FOR SCHEDULED INSPECTION WITH 96.0 HOURS REMAINING. CURSORY INSPECTION OF THE GEAR BOX INDICATED NO DEFECTS UNTIL THE QUILL SHAFT WAS TURNED BY HAND. DURING THIS INSPECTION THE QUILL SHAFT AND BEARINGS SHOWED SIGNS OF OVER-HEATING. THE BOct 30, 1995 · Beech 65A90SDR 95ZZZX6319Tab Washer · failedGEAR CASE WAS RECEIVED DUE TO IDLER GEAR SHIFTED FORWARD WHICH RESULTED IN WEARING A HOLE THROUGH THE FORWARD GEAR CASE HOUSING. DISASSEMBLY REVEALED THE RIGHT IDLER GEAR NUT, PN 775770-1, HAD COME OFF THE RT IDLER GEAR, PN 775754-5. THE TABS ON THE TAB WASHOct 27, 1995 · Saab SF340ASDR 95ZZZX6318Bearing · spalledGEAR CASE RETURNED FROM FIELD DUE TO 'MAKING METAL'. DISASSEMBLY REVEALED THE BALL BEARING, PN 775759-1, ON THE MAIN PROPELLER SHAFT HAD FAILED. REFERENCE CMM 72-11-02.Oct 27, 1995 · N587MA · Saab 340BSDR PLG102395J1Red Gear Box · failedDURING SHUTDOWN, THE LEFT PROPELLER STOPPED ROTATION IMMEDIATELY AFTER THE CONDITION LEVER WAS PLACED IN THE FUEL CUT OFF POSITION. TECHNICIANS ATTEMPTED TO ROTATE PROPELLER WITHOUT SUCCESS. FURTHER TROUBLESHOOTING REVEALED METAL PARTICLE CONTAMINATION IN THOct 23, 1995 · N15486 · Beech 1900CSDR CA960612029Bearing · spalled(CAN)METAL ON THE RGB CHIP DETECTOR. #15 BEARING OUTER RACE HEAVILY SPALLED OVER 60 PERCENT OF RACEWAY. ALSO ON RACEWAY, WERE ROWS OF SMALL PITS TYPICAL OF ELECTRICAL DISCHARGE PITTING. NO MAGNETISM ON THESTEEL COMPONENTS INDICATES THAT PITTING IS DUE TO A SOUOct 19, 1995 · Aerosp ATR42*SDR 96ZZZX1Sun Gear · fracturedAN IN-FLIGHT SHUT DOWN OF THE LT ENGINE DUE TO THE FAILURE OF THE POWER SECTION. AT THE TEAR DOWN, THE INVESTIGATION REVEALED THE NR 1 SUN GEAR AS BEING THE MODE OF FAILURE.Oct 13, 1995 · N118YV · Beech 1900CSDR 95ZZZX6333Bearing · spalledTHE REDUCTION GEARBOX HAD REPORTED METAL IN OIL. REDUCTION GEARBOX WAS REMOVED FROM SERVICE AND SENT TO AVIALL FOR OVERHAUL. CAUSE OF MIO WAS SPALLED NR 19 BEARING.Oct 12, 1995SDR CA960612035Bearing · cracked(CAN) OPERATOR REPORTED METAL CONTAMINATION OF THE RGB OIL SYSTEM. NR 15 BEARING HEAVILY SPALLED ON THE ROLLERS AND OVER 120 DEGREES OF THE OUTER RACE. THE INNER RACE ALSO HAD AN AXIAL CRACK COMPLETELY THROUGH. UNABLE TO DETERMINE IF THE INNER RACE CRACK LEOct 10, 1995 · Aerosp ATR42*SDR CA960612042Bearing · spalled(CAN)REDUCTION GEAR BOX PRODUCING METAL. #15 BARING BALLS AND OUTER RACE HEAVILY SPALLED. OTHER BEARINGS IN THE SAME GEARBOX HAD CLUSTER PITTING TYPICAL OF ELECTRICAL DISCHARGE. THE LACK OF RESIDUAL MAGNET ISM ON THE STEEL COMPONENTS MAKES IT UNLIKELY THAT THEOct 5, 1995 · Aerosp ATR42*SDR 96ZZZX743Housing · unbondedUPON DISASSEMBLY OF THE ENGINE, FOUND BRONZE PLATING UNBONDING AT COMP. BORE. ALSO, FOUND T/M HELICOIL DAMAGED. THE CAUSE FOR BRONZE PLATING UNBONDING IS DUE TO THE SURFACE CORROSION ON HOUSING AND OIL ACCUMULATION. THE CAUSE FOR T/M HELICOIL DAMAGE IS DUE Sep 29, 1995 · N346AL · Bell 206L3
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