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 99ZZZX415Gear · galledENGINE WAS REMOVED FOR METAL CHIPS ON UPPER AND LOWER CHIP PLUGS. UPON INSPECTION OF GEARBOX PARTS, FOUND PINION GEAR GALLING AND TORQUE METER GEAR SPALLING. NOTE: METAL CONTAMINATION CAUSED DAMAGE TO OTHER PARTS IN GEARBOX. SUBMITTER SUGGESTED IMPROPER MEDec 18, 1998 · N537AL · Bell 407SDR CA981230062Bearing · spalled(CAN) THE ENGINE WAS SENT FOR INVESTIGATION AND OVERHAUL AFTER THE OPERATOR REPORTED THE REDUCTION GEARBOX WAS MAKING METAL. INVESTIGATION FOUND THE REDUCTION GEARBOX WAS MAKING METAL DUE TO A SPALLED NR 10 BEARING. THE BEARING OPERATED FOR 26,473.3 HOURS ANDec 14, 1998SDR 99ZZZX411Journal · making metalUPON DISASSEMBLY OF GEARBOX, TORQUE METER SUPPORT JOURNAL WAS FOUND TO HAVE MAGNESIUM SLIVERS IN JOURNAL BORE. UPON FINDING MAGNESIUM SLIVERS IN TORQUE METER JOURNAL BORE, MEASURED JOURNAL AND FOUND IT TO BE OVER MFG SPECS 2.485 INCHES (MFG MAX LIMIT 2.480 INDec 11, 1998 · N537AL · Bell 407SDR 99ZZZX487Gear · making metalENGINE WAS REMOVED FOR TIME CHANGE TURBINE AND COMPRESSOR. UPON INSPECTION OF CHIP PLUGS, FOUND METAL CHIPS. DISASSEMBLED AND FOUND TORQUE METER GEAR AND PINION GEAR GALLING CAUSING SOME METAL CONTAMINATION DAMAGE TO THE PARTS. IMPROPER MESHING BETWEEN TORQNov 30, 1998 · N467AL · Bell 407SDR CA981207030Bearing · spalled(CAN) THE ENGINE WAS REMOVED AFTER METAL FLAKES WERE FOUND ON THE REDUCTION GEARBOX CHIP DETECTOR AND THE RGB SCAVENGE FILTER. DISASSEMBLY OF THE RGB FOUND THE SOURCE OF THE METAL CONTAMINATION WAS THE MASSIVE SPALLING OF THE NR 15 BEARING WITH MATERIAL LOSS Nov 26, 1998 · Dhav DHC8301SDR PLGA981122APgb · malfunctionedALB - FLT 4380 - WHILE EN ROUTE TO ALB, THE RIGHT ENGINE PROPELLER GEAR BOX (PGB) OIL PRESSURE STARTED TO FLUCTUATE AND THE OIL TEMPERATURE STARTED TO INCREASE. CREW FOLLOWED PROCEDURES AND SHUT DOWN THE RIGHT ENGINE. AIRCRAFT CONTINUED TO ALB AND LANDED WITNov 22, 1998 · N364BE · Saab 340BSDR VTZA98350Seal · failedFLT 6700 - IAD-BNA - DURING TAKEOFF, EXPERIENCED A SMELL OF SMOKE IN THE CABIN ALONG WITH THE ACTIVATION OF THE LAVATORY SMOKE DETECTOR. A/C DECLARED AN EMERGENCY AND RETURNED TO IAD WHERE IT LANDED WITH NO FURTHER INCIDENT. MAINTENANCE CONTROL WAS NOTIFIED Nov 18, 1998 · N629BR · Cndair CL6002B19SDR SI3R98016Bearing · spalledDURING DISASSEMBLY OF GEARBOX, THE LT FORWARD IDLER GEAR ROLLER BEARING WAS FOUND TO HAVE A SPALLED INNER RACE AND ROLLERS. HSS SO NR 210197 SO. CUST: AMR. (X)Nov 9, 1998 · Saab SF340ASDR AU981471Gear · corroded(AUS) PROPELLER REDUCTION GEARBOX GEAR CORRODED. PART TC: 1,710.Nov 9, 1998 · Beech 200BEECHSDR HEEA0016538Gearbox · making metalGEARBOX MAKING METAL.Oct 28, 1998 · N141PH · Bell 412SDR HEEA0016537Gearbox · making metalGEARBOX MAKING METAL.Oct 28, 1998 · N1202T · Bell 412SDR HEEA0016536Gearbox · making metalGEARBOX MAKING METAL.Oct 28, 1998 · N2148K · Bell 412SDR PLGA981023BPump · failedPHL - REFERENCE ODR PLGA981023A. THE RIGHT PROPELLER GEARBOX (PGB) WAS REPLACED DUE TO A FAILED OIL PUMP. THE OIL PUMP REMOVED WAS P/N 775798-1, S/N HS046-1. THE CORRECT PART NUMBER FOR THE PGB WAS 775798-3. (X)Oct 23, 1998 · N336BE · Saab SF340ASDR PLGA981023AProp Gearbox · malfunctionedPHL - FLT 4307 - AFTER TAKEOFF, CREW RECEIVED A LOW OIL PRESSURE WARNING ON RIGHT ENGINE. CREW FOLLOWED PROCEDURES AND SHUT DOWN THE RIGHT ENGINE. AIRCRAFT RETURNED TO PHL AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND METAL ON RIGHT PROPELLER GEARBOX CHIP Oct 23, 1998 · N336BE · Saab SF340ASDR HEEA0016178Bearing · spalledENGINE REMOVED DUE TO METAL. UPON INSPECTION OF GEARBOX PARTS NOTED: SPALLED ON NR 2 1/2 BEARING OUTER RACE AND ROLLERS. INSTALLE D A NEW BEARING.Oct 19, 1998 · N8199J · Bolkms BO105SSDR HEEA0016138Housing · looseENGINE REMOVED DUE TO LOW POWER. UPON DISASSEMBLY OF ENGINE NOTED: DETACHED SPARE CAGE IN GEARBOX. GEARBOX DISASSEMBLY REVEALED: LOOSE P.T.O. CAGE IN GEARBOX HOUSING. INSTALLED A OVERHAULED GEARBOX HOUSING.Oct 8, 1998 · N86CH · Bolkms BO105SSDR HEEA0016137Cover · looseENGINE REMOVED DUE TO LOW POWER. UPON DISASSEMBLY OF ENGINE NOTED: DETACHED SPARE CAGE IN GEARBOX. GEARBOX DISASSEMBLY REVEALED: DETACHED SPARE CAGE AND LOOSE CAGES AS MARKED ON GEARBOX COVER. INSTALLED OVERHAULED COVER.Oct 8, 1998 · N86CH · Bolkms BO105SSDR HEEA0016136Gearbox · making metalENGINE REMOVED DUE TO METAL. INSPECTION OF GEARBOX REVEALED: PULLED COMPRESSOR MOUNT INSERT AS MARKED AND BRONZE LIFTING ON GEARBOX FORWARD AND AFT PTO BORES.Oct 8, 1998 · N81992 · Bolkms BO105SSDR 98ZZZX4750Line · chafedWHILE IN CRUISE FLIGHT, TRANSMISSION OIL RPESSURE INDICATOR STARTED TO SHOW LOW PRESSURE. DIVERTED TO HI-264 FOR MAINTENANCE. AIRCRAFT ASISGNED TO CAMERON BASE. REPLACED HOSE ASSEMBLY. REF: 412 IPC, CHAPTER 63-99-00, PAGE 22, FIGURE 63-6, ITEM 49.Sep 17, 1998 · N3893L · Bell 412SDR 98ZZZX3694Gear · failedTHE SUN GEAR OF THE 1ST STAGE FAILED. INSTALLED NEW, 1.101.3 HRS AGO.Aug 28, 1998 · N4015P · Ayres S2RT15NORMALSDR 99ZZZX51Gearbox · failedRIGHT ENGINE SHUT DOWN IN CRUISE FLIGHT AT 24,000 FEET. PRECAUTIONARY LANDING. POSSIBLE ENGINE GEARBOX PROBLEM STILL UNDER INVESTIGATION. FAILURE OF LOCK WASHER ON UPPER TOWER SHAFT DUPLEX BEARING. OVERHAUL OCCURRED 2,236 HOURS AGO.Aug 12, 1998 · N725RH · Cessna 550SDR 98ZZZX3356Gear · galledENGINE REMOVED FOR EXCESSIVE METAL ON BOTH PLUGS. DISASSEMBLED AND FOUND T/M GEAR TO PINION GEAR GALLING CAUSING METAL CONTAMINATION. SUBMITTER STATES IMPROPER MESHING BETWEEN T/M GEAR AND PINION GEAR WAS CAUSE FOR GALLING. SECONDARY DAMAGE - PINION GEAR P/Aug 7, 1998 · N457AL · Bell 407SDR HEEA0015424Gearbox · making metalGEARBOX HAS METAL ON NR 1 SIDE.Jul 30, 1998 · N27805 · Bell 212SDR ARWA9807133Gear Box · leakingBLD - FLT 505 - AFTER TAKEOFF OF BDL CREW PHONE LOST OIL QTY NR 2 ENGINE SHUT DOWN A/C DIVERTED TO MIAMI. AFTER LANDING, NR 2 ENGINE WAS OIL SERVICE, MOTORIZED. FOUND GEAR BOX LEAKING. ENGINE WILL BE REPLACED. (M)Jul 30, 1998 · N345JW · Doug DC863SDR SI3R98013Retain Nut · looseDURING DISASSEMBLY OF GEARBOX, THE DRIVE GEAR RETENTION NUT WAS REMOVED WITH NO TORQUE REQUIRED. INSTALLATION TORQUE IS 1550 - 1600 FEET/POUNDS. (NUT P/N 775770-4, FIG 7 ITEM 25). HSS SO NR 86355SE. CUST: AIR OSTRAVA/GE. CMM 72-11-02. (X)Jul 21, 1998 · Saab SF340ASDR AU980995Seal · leaking(AUS) LEFT ENGINE AND RIGHT ENGINE OUTPUT SEALS LEAKING. PART TC: 88.Jul 13, 1998 · Bolkms BK117B2SDR 98ZZZX3097Bearing · galledENGINE REMOVED FROM AIRCRAFT FOR CHIP LIGHT. UPON INSPECTION OF PARTS, FOUND EXCESSIVE GALLING ON T/M JOURNAL INNER RACE AND ROLLERS. EXCESSIVE GALLING ON T/M JOURNAL BEARIANG INNER RACE AND ROLLERS.Jul 13, 1998 · N437AL · Bell 407SDR 98ZZZX2588Gearbox · making metalCHIP LIGHT ILLUMINATED, METAL FOUND ON MAGNETIC CHIP PLUG. EXCESSIVE TORQUE SPLIT.Jul 3, 1998 · N16973 · Bell 212SDR SIMA981824Rgb · damagedHRL - FLT 3724 - AFTER TAKEOFF FROM HRL THE FLT CREW SELECTED 'CLIMB' ON THE POWER MANAGEMENT PANEL AND BEGAN TO BRING THE CONDITION LEVERS BACK TO ACHIEVE 86 PERCENT NP WHEN THE NR 1 ENGINE BEGAN TO SURGE AND THEN THE TQ WENT TO ZERO. THE NP STABILIZED AT 30Jul 1, 1998 · N260AE · Aerosp ATR72212SDR SIMA981823Gearbox · damagedHRL - FLT 3724 - AFTER TAKEOFF, CREW SELECTED 'CLIMB' ON POWER MGMNT PANEL AND BEGAN TO BRING CONDITION LEVERS BACK TO 86 PERCENT NP WHEN THE NR 1 ENGINE BEGAN TO SURGE, THEN TORQUE WENT TO ZERO. NP STABILIZED AT 30 PERCENT AND NH AT 45 PERCENT. SHUT DOWN THJul 1, 1998 · N260AE · Aerosp ATR72212SDR HEEA0015129Gearbox · leakingCOMBINING BOX IS TRANSFERRING OIL TO NR 1 ENGINE.Jul 1, 1998 · N21498 · Bell 412SDR 98ZZZX2582Bearing · galledUPON DISASSEMBLY AND INSPECTION OF PARTS, FOUND T/M JOURNAL BEARING WITH EXCESSIVE GALLING ON END OF ROLLERS AND DEEP BANDING DOWN MIDDLE OF ROLLERS. EXCESSIVE GALLING AND BANDING OF T/M JOURNAL BEARING GALLING ON ROLLERS WAS ONLY TO OUTER PART OF ROLLERS ANDJul 1, 1998 · N567AL · Bell 407SDR SABA290033Gasket · leakingCLT - FLT 5122 - ON FLIGHT FROM CLT TO PGV, NR 2 ENGINE OIL PRESSURE WAS INDICATING 50 POUNDS OF PRESSURE. OIL PRESSURE WARNING CAPTION LIGHT ILLUMINATED. AIRCRAFT RETURNED TO CLT. NO IN-FLIGHT EMERGENCY WAS DECLARED. AIRCRAFT RETURNED TO CLT WITH NO OTHERJun 26, 1998 · N881CC · Dhav DHC8102SDR CA980818020Gear · broken(CAN) PILOT REPORTED CHIP LIGHT. INSPECITON FOUND PIECE OF GEAR TOOTH FROM THE FUEL CONTROL UNIT DRIVE TRAIN FOUND ON LOWER CHIP DETECTOR PLUG.Jun 23, 1998 · Bell 206BSDR HEEA0014912Gearbox · making metalCOMBINING GEARBOX HAS METAL CONTAMINATION ON NR 2 SIDE.Jun 22, 1998 · N1082G · Bell 212SDR HEEA0014782Gearbox · making metalCOMBINING GEARBOX MAKING METAL.Jun 11, 1998 · N3893N · Bell 412SDR HEEA0014781Gearbox · failedCOMBINING GEARBOX MAKING METAL.Jun 11, 1998 · N107X · Bell 412SDR CA9807070532nd Stg Carrier · separated(CAN) AT OVERHAUL , IT WAS FOUND THE 2ND STAGE CARRIER HAD A PRESSED ON STYLE NR 5 BEARING, WHICH HAD STARTED TO BACK OFF OF THE CARRIER. A 0.050 INCH GAP WAS NOTICED BETWEEN THE JOURNAL AND THE SHOULDER OF THE CARRIER.Jun 10, 1998SDR 98ZZZX2534Pinion Gear · galledUPON DISASSEMBLY OF GEARBOX AND INSPECTION OF PARTS DUE TO METAL, FOUND PINION GEAR HAD EXCESSIVE GALLING ON GEAR TEETH. POSSIBLY DUE TO IMPROPER MESHING OF GEARS. SECONDARY DAMAGE: T/M GEAR P/N 6893673 S/N NN143321. TT: 15,65.3 HOURS. SPALLING ON GEAR TJun 8, 1998 · N427AL · Bell 407SDR 98ZZZX2531Pinion Gear · galledUPON DISASSEMBLY AND INSPECTION OF PARTS, FOUND EXCESSIVE GALLING ON PINION GEAR AND SPALLING ON T/M GEAR. PINION GEAR HAD EXCESSIVE GALLING ON GEAR TEETH. POSSIBLY DUE TO IMPROPER MESHING OF GEARS. SECONDARY DAMAGE. T/M GEAR PN 689367. SN NN144843, TT: Jun 8, 1998 · N477AL · Bell 407SDR 98ZZZX2573Gearbox · leakPRECAUTIONARY SHUTDOWN NR 3 ENG. ENG LOW OIL PRESS LIGHT ILLUMINATED WHILE LANDING, OIL QTY GAUGE READS ZERO. ENG OIL PRESS LOW. COWLING OPENED AND MAJOR OIL LEAK NOTED. VISUAL INSP DID NOT UNCOVER OIL LEAK. ENG CLEANED AND OIL SYS RESERVICED. ENG STARTEJun 6, 1998 · N279US · Boeing 727251SDR SI3R98009Gearbox · wornDISASSEMBLY OF GEAR CASE REVEALED THE TAB WASHER AND RETAINING RING ON THE FORWARD RIGHT IDLER GEAR BROKEN. BROKEN BEARING (P/N 775765-2) IN SLIDER BLOCK ASSY. INPUT PINION GEAR WORN. METAL CONTAMINATION LOCAL TO THIS AREA. HSS SO NR 86314 SE. CUST: WINGJun 5, 1998 · Saab SF340ASDR CA980610005Carrier · loose(CAN) AFTER OVERHAUL INSPECTION OF THE 2ND STAGE CARRIER, THE NR 5 BEARING JOURNAL SLEEVE WAS FOUND OUT OF POSITION FROM AN ADJACENT SHOULDER USED AS A DATUM FOR INSTALLATION. THIS SLEEVE IS PART OF THE NR 5 BEARING JOURNAL REPAIR. THE SLEEVE HAS MOVED O.058Jun 1, 1998SDR 98ZZZX2561Gearbox · chafedON REDUCTION GEARBOX JUST IN FRONT OF RIGHT FORWARD ENGINE MOUNT FORWARD LOWER BOLT HOLE, THERE IS A CHAFE MARK .958 INCH BY .480 INCH. DEEPEST SPOT IS .098 INCH CAUSED BY MISLOCATED BONDING WIRE FROM NACELLE TO ENGINE.Jun 1, 1998 · N212AS · Emb EMB120RTSDR CA980602030Bearing · broken(CAN) CHIP DETECTOR WARNING LIGHT ILLUMINATED IN FLIGHT. AFTER LANDING INSPECTION OF THE CHIP DETECTOR SHOWED EXCESSIVE METAL CONTAMINATION. A MORE DETAILED INSPECTION FOUND THE NR 21 BEARING HAD A BROKEN BEARING CAGE. NO OTHER DAMAGE WAS FOUND.May 29, 1998 · Bell 205A1SDR SI3R98008Gearbox · damagedDISASSEMBLY OF GEARBOX REVEALED SEVERE DAMAGE TO THE DAMPER RING ON THE RIGHT FORWARD IDLER GEAR. ALSO, RIGHT FORWARD IDLER GEAR WEB CRACKED (P/N 792207-3) BULKHEAD (P/N 775754-13) HAS 0.060 INCH - 0.080 INCH GROOVE WORN IN. RECOMMEND SCRAP DISPOSITION. (P/May 20, 1998 · Saab SF340ASDR 98ZZZX2093Gearbox · failedTORQUE PRESSURE INCREASED WHEN THROTTLE WAS REDUCED. SUSPECT TORQUE PISTON BLEED HOLE IS PLUGGED IN GEARBOX. GEARBOX SHIPPED TO OVERHAUL FACILITY FOR INSPECTION/REPAIR. REF: CONTROL NR 98-5-5.May 13, 1998 · N1097J · Hughes 369DSDR 98ZZZX3717Bearing · corrodedBEARING HAS EXCESSIVE PITTING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 12, 1998 · N911BY · Bolkms BK117A4SDR CA980422011Gear · spalled(CAN) REDUCTION GEARBOX (RGB) WAS SENT FOR INVESTIGATION AND REPAIR AFTER THE OPERATOR REPORTED THE RGB WAS MAKING METAL. THE RGB WAS DISASSEMBLED AND THE CAUSE OF THE METAL CONTAMINATION WAS FOUND TO BE THE SPALLING OF THE FIRST STAGE HELICAL GEARS. THE SPALApr 13, 1998SDR HAIGJQR0184Ring · corrodedRETAINING RING CORRODED REPLACED WITH NEW PARTS FROM BHTApr 10, 1998 · N98W · Bell 212
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