JASC 8300
Service difficulty reports · 306
Reports filed under 8300 · Accessory Gearboxes, 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 = '8300' 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.
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 = '8300' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR MTNA20035Clamp · looseON DESCENT INTO KIN THE LT GEARBOX OIL LIGHT CAME ON. THE EMERGENCY CHECK LIST WAS ACCOMPLISHED AND THE ENGINE SHUT DOWN. AN EMERGENCY WAS DECLARED WITH ATC. THE AIRCRAFT LANDED WITH OUT ANY OTHER INCIDENT. MAINTENANCE TROUBLESHOT THE PROBLEM AND FOUND A CLAMPSDR CA030912003Gear · failed(CAN) A/C PERFORMING NORMAL APPROACH. DURING FINAL, A LIGHT WHINING SOUND HEARD AS POWER APPLIED. AS POWER INCREASED, SOUND INCREASED. AT APPROX 8 FT FROM TOUCHDOWN, ENG STOPPED, & CHIP CAUTION LIGHT ILLUMINATED. CONTROL MAINTAINED HELICOPTER LANDED WITHOUT INSDR CA030825016Gearbox · failed(CAN) LT FUEL PUMP AND LT SCAV EJECTOR CAUTION MESSAGES WERE POSTED AND LT ENGINE FUEL PRESSURE WENT TO ZERO CAUSING THE LT ENGINE TO SHUT DOWN. NO N2 ROTATION WHEN STARTER MOTORED. REPLACED ENGINE QEC ASSEMBLY.SDR AUS20030695Planetary Gear · damaged(AUS) ENGINE GEARBOX SUN GEAR DAMAGED WHICH IN TURN CAUSED DAMAGE TO THE PLANETARY GEARS. SUSPECT SUN GEAR INCORRECTLY HARDENED DURING MANUFACTURE. FOUND AS A RESULT OF SOAP SAMPLE TESTING.SDR 2003FA0000711Gear · wornNEW PART INSTALLED ON ENGINE LE-43133 DURING REPAIR. WHILE INVESTIGATING THE CAUSE OF AGB VIBRATION, IT WAS NOTED THAT THE OUTPUT GEAR MENTIONED IN BLOCK 5 HAD ABNORMAL WEAR FOR A NEW PART. THE GEAR IN QUESTION WAS REMOVED FROM THE ENGINE AND RETURNED TO THESDR ALGA087896Pinion Gear · galledENGINE REMOVED DUE TO METAL IN OIL. CAUSE FOUND TO BE GALLING ON PINION GER TEETH. REMOVED AND REPLACED PINION GEAR.SDR ALGA087895Gear · spalledFOUND SPALLING ON FWD. GEAR TEETH. REMOVED AND REPLACED WITH NEW PART.SDR ALGA087724Gear · defectiveAS PER MANDATORY BULLETIN T-075. REMOVED AND REPLACED. SUBMITTED BY: PRESTON BARZARESDR ALGA087723Gearshaft · spalledFOUND SPALLING ON GEAR TEETH. REMOVED AND REPLACED DUE TO SPALLING ON GEAR TEETH FROM POSSIBLE IMPROPER MESHING OF GEAR TEETH.SDR 2003FA0001144Drive Assy · leakingOIL WAS FOUND SEEPING FROM THE TURBO SCAVENGE DRIVE ASSEMBLY. IF THE OIL WAS WIPED FROM THE PUMP IT WOULD RETURN AFTER JUST ONE SHORT FLIGHT. THE OIL WAS SEEPING FROM THE SEAM WHERE BOTH HALVES OF THE DRIVE ASSEMBLY MEET. THIS PUMP WAS REPLACED 22.1 HOURS PSDR AUS20030689Carbon Seal · worn(AUS) LT ENGINE ACCESSORY GEARBOX OIL BREATHER CARBON SEAL WORN AND LEAKING.SDR UO22003F00001Gearbox · failedIN FLIGHT SHUTDOWN, SUSPECT TRANSFER GEARBOX FAILURE. METAL WAS FOUND INSIDE THE TRANSFER GEARBOX. ENGINE IS IN TEARDOWN AND EVALUATION AT THIS TIME.SDR COEA0301730Drive Shaft · failedNR 1 ENGINE ACCESSORY GEARBOX DRIVESHAFT FAILED DURING AIRCRAFT APPROACH TO SEA. FLIGHT CREW PERFORMED PRECAUTIONARY ENGINE IN FLIGHT SHUT DOWN AND LANDED AT SEA WITHOUT FURTHER INCIDENT. ENGINE NACELLE AND FIREWALL SUSTAINED SUBSTANTIAL DAMAGE. ENGINE, ACCSDR ALGA085885Gear · defectiveREMOVED PTO GEAR IAW EXTEX MANDATORY BULLETIN NR T-075 REMOVED AND REPLACED.SDR ALGA085818Gear · defectiveTO COMPLIED WITH MANDATORY SERVICE BULLETIN T-075. PARTS WITH EFFECTIVE S/N'S MAY EXPERIENCE A PROBLEM THAT COULD RESULT IN A N2 DECOUPLE EVENT. REMOVED AND REPLACED. SENT PART TO MFG.SDR ALGA085813Pinion Gear · spalledON INSPECTION FOUND SPALLING ON GEAR TEETH. REMOVED AND REPLACED.SDR ALGA085108Pinion Gear · spalledHEAVY SPALLING ON DRIVE SIDE OF PINION GEAR TEETH CAUSING METAL IN OIL.THIS IS A REOCCURRING EVENT. VENDOR NEEDS TO UPGRADE THEIR QUALITY CONTROL ON GEAR MATERIAL AND FABRICATION OF GEARS.SDR ALGA084686Pinion Gear · wornFOUND PINION GEARS SHOWING HEAVY WEAR ON DRIVE SIDE. THIS IS A REOCCURRING EVENT.SDR ALGA084685Bearing · spalledFOUND NR 4 BEARING SEPARATOR BROKEN IN PIECES. BEARING FAILURE CAUSED METAL IN OIL.SDR ALGA084684Bearing · spalledFOUND #3 BEARING SEPARATOR MISSING. BEARING FAILURE CAUSED METAL IN OIL.SDR ALGA084683Pinion Gear · brokenFOUND PINION GEARS HAD BROKEN GEAR TEETH CAUSING MASSIVE METAL IN OIL. THIS IS A REOCCURRING EVENT.SDR CA030218011Gearbox · failed(CAN) ENGINE SUFFERED AN IFSD AND WAS REMOVED AND RETURNED FOR INVESTIGATION. CUSTOMER SUSPECTED AN AGB BALL LOCK FAILURE. ENGINE WAS FOUND TO HAVE SIGNIFICANT DAMAGE INSIDE THE AGB WITH MANY GEARSHAFTS & MUTILATED TEETH & INPUT DRIVE FLANGED BEARING COMPLESDR 2003FA0001145Drive System · leakingOIL WAS FOUND SEEPING FROM THE TURBO SCAVENGE DRIVE ASSEMBLY. IT THE OIL WAS WIPED FROM THE PUMP IT WOULD RETURN AFTER JUST ONE SHORT FLIGHT. THE OIL WAS SEEPING FROM THE SEAM WHERE BOTH HALVES OF THE DRIVE ASSEMBLY MEET. THE DRIVE ASSEMBLY WAS REMOVED AND SDR CA021112005Clutch · slipped(CAN) AFTER TAKE OFF, ON GO AROUND ENG SEEMED TO SURGE & SLIGHTLY OVERSPEED. STARTED AS AN INTERMITTENT CONDITION AND DURING A COUPLE WEEKS DEGRADED. STARTED SURGING SLIGHTLY IN CRUISE. PROP & GOV WERE REPLACED FOR TROUBLESHOOTING. NO CHANGE. ALL OIL SUPPLY LISDR CA021115005Shield · cracked(CAN) CRACKS AT LT ENGINE AFT FIRE SHIELD ASSEMBLY AT AREA AROUND ACCESSORY GEARBOX VENT BULKHEAD FITTING.SDR CA021018002Bearing · making metal(CAN) ENGINE RECEIVED FOR METAL CONTAMINATION. INVESTIGATION REVEALED A FUZZ LIKE MATERIAL PRESENT ON AGB CHIP DETECTOR. MATERIAL SIMILAR TO THAT FOUND WHEN GEARS IN THE AGB IS WEARING ABNORMALLY. NR 2 BEARING SUMP MAGNETIC PLUG WAS FOUND FREE OF CONTAMINASDR REX2002F00004Plug · leakingWHEN POWER WAS REDUCED ON FINAL APPROACH, THE RT ENGINE OIL PRESSURE WARNING ILLUMINATED. THE FLIGHT CREW DECLARED AN EMERGENCY AND SHUTDOWN RT ENGINE USING THE APPROVED CHECKLIST. AN OTHERWISE UNEVENTFUL LANDING WAS MADE. MAINTENANCE FOUND THE ACCESSORY GESDR 2003F00297Gearbox · leakingNR 1 ENGINE OIL QUANTITY DECREASED FORM 3 GALLONS TO ONE-FOURTH GALLON, IN ONE HOUR. PERFORMED AND IN FLIGHT PRECAUTIONARY ENGINE SHUTDOWN AS PER AFM PROCEDURES. PERFORMED BREATHER PRESSURE, INSPECTED FOR EXTERNAL LEAKAGE. BOTH CHECKS WERE SATISFACTORY. AISDR CA020502004Fitting · missing(CAN) ENROUTE PILOT NOTICED THE OIL QUANTITY WAS AT ZERO ON THE NR 1 ENGINE - BOTH OIL PRESSURE AND OIL TEMPERATURE WERE NORMAL. SHORTLY THERE AFTER THE OIL PRESSURE STARTED TO FLUCTUATE AND THE OIL PRESSURE WARNING LIGHT ILLUMINATED.FLIGHT CREW SHUTDOWN NR 1 SDR 2002F00319Gear Shaft · excess playDURING A 100 HOUR INSPECTION, LEAK WAS NOTED ON ACCESSORY DRIVE UNIT. FURTHER INSPECTION REVEALED THAT THE FEMALE SPLINES IN THE ENGINE WERE WORN TO APPROX 80 PERCENT, SAME AS THE MALE END. SUGGEST AN ON TIME INSPECTION TO DETERMINE AMOUNT OF WEAR SINCE THERSDR DBC2002F00000Pump · failedWHILE ENROUTE, PILOT NOTED VIBRATION WITH VARYING INTENSITIES. PILOT RETURNED TO AIRPORT WITHOUT INCIDENT. TROUBLESHOT, SUSPECT SCAVENGE PUMP CAVITATION. BLED SCAVENGE SYSTEM PER MFG. SOAP SAMPLE TAKEN. AIRCRAFT GROUND RAN AND CHECKED FOR LEAKS. POST MAISDR COMA0260062Seal · leakingFLIGHT 5589 R/H ENGINE LOW OIL PRESSURE. IFSD. REPLACED THE ACCESSORY DRIVE CARBON SEALS.SDR CA020103015Gearbox · leaking(CAN) IN CRUISE CREW NOTED LOW OIL PRESSURE LIGHT ILLUMINATED ON NR 2 ENGINE. OIL PRESS DECREASING TO 35 PSI & OIL QUANTITY FALLING. CREW SHUTDOWN ENGINE DECLARED EMERGENCY & PROCEEDED TO LAND AT NEAREST AIRPORT WHICH DESTINATION AIRPORT. THE LDG W/O INCIDESDR CA011210005Gearbox · failed(CAN) APPROXIMATELY 20 MINS AFTER TAKE OFF, THE CREW NOTICED THE NR 2 ENGINE N2 DROP TO ZERO RPM WITHIN 2-3 SECONDS. ALL OTHER NR 2 ENGINE PARAMETERS ALSO REDUCED AND THE ENGINE FLAMED OUT. THIS OCCURRED DURING THE CLIMB AT APPROX. FL 310. THE OIL PRESSURE SDR BLI2001F00008Pump · inoperativeABORTED START; NO OIL PRESSURE OR TURBINE SPEED INDICATION. REMOVED ACCESSORY GEARBOX AND SENT TO MFG. THE ABOVE ENGINE EXPERIENCED PROBLEMS IN THE FIELD THAT RESULTED IN THE ACCESSORY GEARBOX ASSEMBLY AND THE OIL PUMP TO BE SENT TO MFG FOR REPAIRS.SDR BLIA512C11250Gearbox · failedABORTED START; NO OIL PRESSURE OR TURBINE SPEED INDICATION. REMOVED ACCESSORY GEARBOX AND SENT TO MFG. UPON RECEIPT, IT WAS EVIDENT THE THE SHAFT HAD SHEARED. THIS WAS APPARENTLY CAUSED BY AN ELEMENT IN THE OIL PUMP ASSEMBLY, INSTALLED NEW AT OVERHAUL, BEISDR HEEA076251Gearbox · making metalRGB SECTION MAKING METAL CHIPS IN FILTER AND CHIP PLUG. PENDING VENDOR REPAIR.SDR E842001F00000Idler Pulley · failedTHE KIT CONDITIONER BELT IDLER PULLEY WHICH HOLDS TENSION ON THE COMPRESSOR TO CRANKSHAFT PULLEY BELT. THIS IS THE SECOND OCCURANCE IN WHICH THE BEARINGS IN THIS PULLEY SIEZE AND CAUSE THE PULLEY TO FALL OFF INTO THE COWLING AND ENGINE COMPARTMENT.SDR DHL2001702008Gearbox · leakingIN CRUISE FLIGHT LOW OIL PRESS LIGHT ILLUMINATED. OIL PRESSURE FLUCTUATING BETWEEN 20-40 PSI. PERFORMED OIL PRESS BELOW 40 PSI ABNORMAL CHECKLIST AND DISCOVERED ZERO OIL QUANTITY. PERFORMED IN FLIGHT ENG SHUTDOWN ABNORMAL PROCEDURE. OIL PRESS INDICATION ZESDR CA010313021Gearbox · worn(CAN) AIRCRAFT WAS ENROUTE FROM CALGARY TO WINNIPEG WHEN THE RIGHT HAND ENGINE EXPERIENCED A LOSS OF ENGINE OIL. THE CREW SHUT DOWN THE ENGINE WHEN THE OIL PRESSURE STARTED TO DROP AND THE ENGINE OIL TEMPERATURE BEGAN TO CLIMB. THE OIL APPEARED TO HAVE LEAKED SDR CA010313009Gearbox · making metal(CAN) CAUTION SYSTEM - GEARBOX CHIP LIGHT, SMALL FLAT FLAKES FOUND IN OIL.SDR 20010424CW005Nut · frettedDURING FLIGHT AT CRUISE, LOW FUEL PRESSURE AND LOW OIL PRESSURE WARNING LIGHTS CONFIRMED LOW OIL PRESSURE ON GAGE. OIL WAS NOTED COMING OUT OF EXHAUST. CREW SHUT DOWN ENGINE. DURING TEARDOWN, ACCESSORY GEARBOX COUPLING WAS FOUND SHEARED, SUGGESTED COUPLINGSDR CA001129011Bracket · broken(CAN) DURING THE DAILY INSPECTION, THE TECHNICIAN NOTICED THE PART IN QUESTION WAS BROKEN AT THE ATTACHMENT TO THE ACCESSORY ENGINE GEARBOX. (THAT PIECE SUPPORTS THE HIGH PRESSURE LINE TO THE LABYRINTH SEAL OF THE REAR BEARING).SDR 20001129SH027Bearing · brokenDURING ROUTINE INSPECTION, REMOVED OIL FILTER AND FOUND EXCESSIVE PARTICLES ON OIL SCREEN. REMOVED ENGINE FOR SENDING TO OVERHAUL. PRELIMINARY VIEW FOUND LEFT MAGNETO CASE BEARING DISINTEGRATED AND CASE GEAR WEAR. (X)SDR CA001002011Packing · cut(CAN) ABORTED TAKEOFF DUE TO THE IDG 2 CAUTION MESSAGE. MAINTENANCE FOUND AN OIL LEAK FROM THE IDG NR 2 OUT PORT CAUSED BY A CUT O-RING . O-RING REPLACED AND A/C RETURNED TO SERVICE.SDR CA000614013Gearbox · stripped(CAN) COPILOT NOTICED NR 2 ENGINE OIL PRESSURE IND FLUCTUATING THEN FOLLOWED BY ILLUMINATION OF ENGINE OIL PRESSURE WARNING LIGHT. PILOT BROUGHT ENGINE BACK TO FLT IDLE WHERE ENG OIL PRESSURE STABILIZED AT 38 PSI. ON FINAL APPROACH, ENG OIL PRESSURE DROPPED SDR CA000731020Gearbox · contaminated(CAN) GEARBOX CHIP LIGHT, METAL CHIPS ON DETECTOR. (X)SDR CA000224050Gearbox · leaking(CAN) DURING CLIMB, THE OIL PRESSURE FLUCTUATED 30-50 PSI WITH INTERMITTENT LOW OIL PRESSURE WARNING MESSAGE. THIS EVENT WAS PRECEEDED BY THE REMOVAL OF THE LUBE AND SCAVENGE PUMP FOR SIMILAR FLUCTUATIONS ON A PREVIOUS FLIGHT. THIS EVENT WAS RECTIFIED WITH THESDR 2003FA0001214Mount · crackedDURING AN ANNUAL, FOUND THE RT MAIN GEAR BOX STRUCTURE TO BE CRACKED. ALSO NOTED THAT THE RT GEAR WAS LOOSE IN CASTING.SDR CA990715051Gearbox · making metal(CAN) METAL IN OIL SCREEN OF FRONT SUMP, SUSPECTED REDUCTION GEAR FAILURE. ENGINE REPLACED.
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