JASC 8120
Service difficulty reports · 459
Reports filed under 8120 · Exhaust Turbocharger, 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 = '8120' 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 = '8120' 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 96ZZZX5482Bolt · brokenTURBO SUPPORT BOLT FOUND BROKEN 3 INCHES FROM HEAD. BROKEN IN SHEAR. SUBMITTER STATED THIS IS RECURRING PROBLEM WITH UPPER LT MOUNT BOLT FOR TURBO SUPPORT ASSY. SUBMITTER SUGGESTS BOLT WITH MORE STRENGTH.SDR 96ZZZX5239Turbocharger · seal failedDURING PRE-OILING OF NEWLY INSTALLED TCM REBUILT ENGINE, OIL LEAKED OUT OF EXHAUST TAILPIPE. FOUND OIL POURING FROM TURBINE SHAFT LIKE SEAL WAS NOT INSTALLED.SDR 96ZZZX5297Turbocharger · failedPILOT COMPLAINED OF LOOSING POWER IN BOTH ENGINES ALTHOUGH NOT SIMULTANEOUSLY. DURING GROUND RUN BOTH WASTEGATES WERE FOUND STUCK IN THE OPEN POSITION. AFTER LUBRICATING WASTEGATE SHAFTS AND MOVING THEM BY HAND, SUBSEQUENT GROUND RUNS SHOWED NORMAL OPERATIONSDR BIER960035Seal · failedPILOT REPORTED PARTIAL POWER LOSS, LATER ATTRIBUTED TO DEAD LEFT MAG. INVESTIGATION REVEALED OIL PASSING BY TURBO CHARGER INNER SEAL AND BEING BLOWN INTO MAG THROUGH THE PRESSURIZATION HOSE, COMTAMINATING THE LEFT MAG, BUT THE RIGHT WAS ON ITS WAY. UPON REMSDR 96ZZZX5212Turbocharger · failedWHILE IN-FLIGHT, NR 1 TURBOCHARGER FAILED. THE AIRCRAFT LANDED WITHOUT DAMAGE. UPON INSPECTION BY MAINTENANCE, DISCOVERED TURBO MAIN SHAFT HAD BROKEN AND WHEEL ON THE EXHAUST SIDE WAS MISSING. IT APPEARS TO HAVE GONE OUT THE OVERBOARD STACK. THE OTHER WHEESDR 96ZZZX4157Turbocharger · locked upPILOT APPLIED POWER TO RIGHT ENGINE FOR PRE-FLIGHT CHECK. ENGINE WOULD ONLY TURN UP TO 26 INCHES MAN/PRESSURE. FOUND TURBO HAD LOCKED UP. INSTALLED OVERHAULED TURBO, ENGINE GROUND RAN, CHECKED NORMAL. AIRCRAFT TEST FLOWN, ALL CONDITIONS NORMAL.SDR 96ZZZX4998Turbocharger · failedPILOT REPORTS A DROP IN MANIFOLD PRESSURE AFTER TAKEOFF TO 18 INCHES AND THE LEFT ENGINE WAS FEATHERED. UPON INSPECTION, THE TURBOCHARGER SHAFT, BEARING/HOUSING HAD FAILED. NO OIL RESTRICTION IN THE SUPPLY HOSE WAS FOUND.SDR 96ZZZX4809Turbo · worn bearingsMANIFIOLD PRESSURE LOSS AT 13,000 FEET. FOUND TURBO BLADES MACHINING INTO HOUSING. (BEARING FAILURE.) THIS IS THE THIRD FAILURE OF THIS PART SUBMITTER IS AWARE OF. OTHERS RESULTED IN DEPLETION OF OIL SUPPLY TO THE POINT OF ENGINE FAILURE.SDR CA960813004Turbocharger · support cracked(CAN) DURING A 100 HOUR INSPECTION THE R/H ENGINE TURBOCHARGER SUPPORT WAS FOUND BROKEN AT THE UPPER R/H TUBE GUSSET. SUBMITTER STATES THAT THIS SAME PART HAD BEEN REPLACED DURING THE PREVIOUS 100 HOUR INSPECITON.SDR 96ZZZX4074Clamp · failedCLAMP CAME LOOSE AND DUCT BETWEEN TURBO AND INTAKE THROAT LEAKED CAUSING ENGINE TO RUN ROUGH. PILOT CHOSE TO SHUT DOWN ENGINE IN-FLIGHT AND MADE SAFE SINGLE ENGINE LANDING. NEW CLAMP WAS INSTALLED AND TORQUED TO SPECS.SDR 96ZZZX3783Clamp · not saftiedCLAMP NOT SAFETY WIRED PER PIPER SB 884. THIS CLAMP SECURES THE COMPRESSOR TO THE TURBINE.SDR 96ZZZX3535Housing · crackedSUBMITTER RECOMMENDS THAT ROTO-MASTER TURBINE HOUSING P/N 600510-04 (TCM P/N 643931) BE ADDED TO ROTO-MASTER AD 82-27-03. AD 82-27-03 STATES THIS INSPECTION MAY BE DISCONTINUED WITH THE INSTALLATION OF P/N 600510-04, BUT SUBMITTER HAS FOUND THIS TURBINE HOUSISDR CA960704001Turbocharger · bearing worn(CAN) DURING TAKEOFF ROLL THE LEFT HAND ENGINE BEGAN TO LOOSE POWER. THE PILOT WAS INFORMED BY THE TOWER THAT BLACK SMOKE WAS COMING FROM THE LEFT HAND ENGINE. THE TAKEOFF WAS ABORTED AND THE LEFT HAND ENGINE WAS SHUTDOWN. POST FLIGHT INVESTIGATION FOUND OIL ISDR 96ZZZX3383Turbocharger · failedTURBO OVERHAULED 12-7-92, PLACED IN SERVICE 5-17-96. AFTER TWENTY HOURS IN SERVICE, REPORTED INCREASED VIBRATION LEVEL, FOLLOWED BY MANIFOLD PRESSURE REDUCTION, THEN BY ENGINE COMPARMTENT FIRE. FOUND TURBOSHAFT SHEARED, COMPRESSOR AND TURBINE WHEELS DAMAGED.SDR 96ZZZX2656Clamp · failedHOSE CLAMP SECURING SONIC TUBE SCAT AT INTERCOOLER FAILED CAUSING LOSS OF 5 INCHES OF MANIFOLD PRESSURE ON TAKEOFF. CLAMP NOT FOUND (AREA DIRECTLY OVER COWL OPENING - PRESUMED LOST IN-FLIGHT).SDR AU960529Hose · deteriorated(AUS) ENGINE LOST POWER DUE TO FAILURE OF HOSE BETWEEN AIRBOX PNO LW-12799-6S116 AND DIFFERENTIAL CONTROLLER - STRATOFLEX 193.4HOSE HAD DETERIORATED DUE TO HEAT FROM ADJACENT TURBOCHARGERSDR 96ZZZX2796Wastegate · failedBUTTERFLY IN WASTEGATE WARPED AND LOSE FROM CRACKED WELDS JAMMING THROTTLE. BUTTERFLY SHAFT WORN AT PIVOT POINTS ALSO CAUSING THROTTLE BINDING. SUBMITTER STATES COMMON TO ALL F28F AND F280FX MODELS. REQUIRES REPLACEMENT OF WASTEGATE.SDR CA960418004Waste Gate · torn seal(CAN) WASTE GATE LIP SEAL TORN AND ENGINE OIL PUMPED OUT THROUGH CASE DRAIN CAUSING DROP IN OIL PRESSURE AND FORCED SHUT DOWN OF ENGINE. THIS WAS A NEWLY OVERHAULED ENGINE WITH 1.3 HOURS OF OPERATING TIME.SDR 96ZZZX2771Coupling · crackedCLAMP WAS FOUND CRACKED WHEN REMOVED FOR OTHER MAINTENANCE ON THE EXHAUST SYSTEM. SUBMITTER SUSPECTS CLAMP WAS OVERTORQUED AT PRIOR INSTALLATION. FAILURE OF THIS CLAMP COULD ALLOW HOT EXHAUST GASES TO BE RELEASED IN THE ENGINE COMPARTMENT. SUBMITTER RECOMMESDR AU960538Bearing · failed(AUS) ENGINE TURBOCHARGER IMPELLER BEARING FAILEDSDR 96ZZZX2190Controller · defectiveENGINE SURGES AT FLIGHT LEVELS. SURGES 200 RPM AND 2 INCH MAP. REPLACED DIFFERENTIAL PRESSURE CONTROLLER TO C/W LYC SB WITH PN 48B21935.SDR AU960290Valve · leaking(AUS) WASTEGATE VALVE LEAKING OIL - OIL WAS DUMPED OVERBOARD VIA THE WASTEGATE VALVE DRAIN TUBESDR 96ZZZX615Wastegate · warpedBUTTERFLY IN WASTEGATE FOUND WARPED AT EACH 100-HOUR INSPECTION. WARPED WASTEGATE AND WORN BUTTERFLY AND SHAFT CAUSE THROTTLE BINDING. BUTTERFLY MUST BE STRAIGHTENED FOR PROPER RIGGING. ON SOME AIRCRAFT, BUTTERFLIES COME OFF OF SHAFT AND BIND THROTTLE. COMSDR 96ZZZX695Bracket · brokenINSPECTION FOUND LEFT TURBOCHARGER SUPPORT BRACKET BROKEN JUST BELOW TOP MOUNT LUG ALLOWING WEIGHT OF TURBOCHARGER TO ONLY BE CARRIED BY LOWER ATTACHMENT. BRAKE APPEARS TO HAVE ORIGINATED FROM FACTORY WELD. SUGGEST CLOSE INSPECTIONS UNTIL FACTORY STRENGTHENSSDR BIER960029Rod Support · crackedAT UNRELATED MAINTENANCE, FOUND TURBOCHARGER TOP ROD SUPPORT BRACKET BROKEN AT ENGINE. SUBMITTER STATES SUSPECT MISALIGNMENT OF ROD AND SUPPORT AT INSTALLATION.SDR 96ZZZX95Turbocharger · bearing failedTURBOCHARGER REPLACED FOR LOW BOOST. MFG OVERHAULED TURBOCHARGER, INSTALLED AND GROUND RUN ACCOMPLISHED. GROUND PERFORMANCE SATISFACTORY. DURING FLIGHT, LOW BOOST CONDITION NOTED. INSPECTION OF TURBOCHARGING SYSTEM REVEALED TURBINE WHEEL TIP RUB AND EXCESSSDR 96ZZZX364Bolt · looseBOLTS THAT SECURE TURBO MOUNT TRUSS TO ENGINE MOUNT PYLONS CONTINUALLY WORK LOOSE. NUTS CHATTER ON THREADS AND WEAR TO A POINT WHERE RE-TORQUING IS NOT POSSIBLE. MAIN PROBLEM IS STEEL BOSS ON TURBO MOUNT EATING INTO ALUMINUM MOUNT PYLON. SUBMITTER SUGGESTS SDR 95ZZZX6742Support · crackedAFT END OF BRACKET CRACKED 1.5 INCHES OF THE 1.75 INCH WIDTH. AFT END OF BRACKET IS SLOTTED, MAY HAVE BEEN INSTALLED WITH A PRELOAD. SUBMITTER STATED TO TIGHTEN FORWARD BOLTS, LET AFT END CENTER BEFORE TIGHTENING.SDR FFSA95001Clamp · missingAIRCRAFT WAS CLIMBING THROUGH APPROXIMATELY 7,000 FEET, PILOT HEARD A MUFFLED SOUND FROM RIGHT ENGINE AND NOTICED FLAMES BURNING THROUGH THE TOP OF ENGINE COWLING. PILOT SHUT DOWN ENGINE. V-BAND CLAMP FROM TURBOCHARGER MALFUNCTIONED AND EXHAUST MANIFOLD BECASDR 95ZZZX6412Controller · oil leakWASTEGATE CONTROLLER OIL LEAKING FROM CENTER PISTON.SDR 95ZZZX5949Housing · crackedDURING COMPLIANCE WITH AD 82-27-03 AND AFTER REMOVING THE EXHAUST HOUSING OF THE TURBOCHARGER, A CRACK, APPROXIMATELY .75 INCH LONG, WAS NOTED IN THE WEB AREA NEAR THE INLET. PARAGRAPH J OF THE AD STATES THE 200-HOUR REPETITIVE INSPECTION REQUIREMENT IS RELIESDR 95ZZZX6056Turbocharger · housing crackedFOUND TURBINE HOUSING CRACKED. HOUSING IS DEFECTIVE EXACTLY AS IDENTIFIED IN AD 82-27-03, EVEN THOUGH IT IS LATEST (GOOD) PART NUMBER. THESE HOUSINGS CRACK JUST LIKE THE ORIGINAL AND ARE REALLY NOT ANY BETTER (THIS IS THE 'DN' HOUSING).SDR 95ZZZX6008Intercooler · crackedINSPECTION FOUND A CRACK INITIATED IN THE RADIUS OF A MACHINED AREA FOR THE LT SUPPORT BRACKET, AND PROPOGATED FORE AND AFT. THIS IS THE SECOND FAILURE FOUND OF THIS TYPE ON THE MOJAVE INTERCOOLERS. CURRENTLY, THERE ARE NO NEW PARTS AVAILABLE AND NO REPAIR DSDR 95ZZZX5935Turbocharger · oil lossENGINE LOST OIL PRESSURE ON APPROACH TO AIRPORT. UPON INSPECTION ON THE GROUND, FOUND NO OIL IN ENGINE. OIL ON TURBO CENTER HOUSING AND OVERBOARD EXHAUST STACK. FOUND NO OTHER EVIDENCE OF LEAKAGE. PRESSURE TESTED ALL OIL LINES AND HOSES, FOUND NO OTHER LEASDR 95ZZZX5827Header Assy · failedTRANSIENT AIRCRAFT REPORTED NO BOOST. INSPECTED TURBO, UNABLE TO ROTATE IMPELLER. REMOVED TURBO, FOUND INTERNAL DIVIDER OF HEADER ASSY BROKEN APART ENTIRE LENGTH. PIECE OF DIVIDER HAD BROKEN OFF AND JAMMED TURBO IMPELLER. HEADER ASSY WAS ALSO BULGED AND RUSDR 95ZZZX4586Housing · crackedWHILE COMPLYING WITH AD 82-27-03 IAW ROTO MASTER SERVICE LETTER 27A, RAY JAY SERVICE LETTER 21, FOUND TURBO HOUSING CRACKED BEYOND ALLOWABLE LIMITS. THIS SCROLL IS THE NEW TYPE TURBINE HOUSING.SDR 95ZZZX5755Drain Tank · crackedTURBO DRAIN TANK FOUND CRACKED 1.50 INCHES LONG AND OIL LEAKING OUT. CRACK WAS AT BASE OF WELD WHERE MOUNT TUBE IS WELDED TO TANK. SHEET METAL WALL JUST AHEAD OF TANK WAS WORN THROUGH EDGE OF TANK WHICH HAD BEEN RIDING ON IT. SUBMITTER RECOMMENDS INSPECTINGSDR 95ZZZX4015Hose Assy · brittleTHERE IS A NR 4 'AN' LOW PRESSURE HOSE ASSEMBLY WITH FIRE SLEEVE INSTALLED THAT RUNS FROM THE NR 4 90-DEGREE FITTING ON THE DIFFERENTIAL PRESSURE CONROLLER TO THE OIL SUMP/INDUCTION HOUSING ASSEMBLY. THE END THAT ATTACHES TO THE CONTROLLER IS IN CLOSE PROXIMSDR 95ZZZX4014Hose Assy · brittleTHERE IS A NR 4 'AN' LOW PRESSURE HOSE ASSEMBLY WITH FIRE SLEEVE INSTALLED THAT RUNS FROM THE NR 4 90-DEGREE FITTING ON THE DIFFERENTIAL PRESSURE CONTROLLER TO THE OIL SUMP/INDUCTION HOUSING ASSEMBLY. THE END THAT ATTACHES TO THE CONTROLLER IS IN CLOSE PROXIMSDR 95ZZZX5125Coupling Clamp · crackedDURING 100-HOUR INSPECTION, FOUND LEFT ENGINE TURBO EXHAUST COUPLING CLAMP CRACKED IN V-BAND SEGMENT. THIS CLAMP IS THE NEW IMPROVED COUPLING CLAMP. REF PIPER SB644D.SDR 95ZZZX5123Bracket · crackedDURING ROUTINE INSPECTION, LEFT TURBO ATTACH BRACKET FOUND CRACKED ALL THE WAY THROUGH AT TOP ATTACH POINT. ALSO, REMOVED BRACKET, PN 07F19872, FOR DYE PENETRANT INSPECTION DUE TO POSSIBLE EXCESS STRESS DUE TO MAIN BRACKET BROKEN. NO DISCONTINUITY FOUND. RESDR 95ZZZX3647Wastegate · oil lossOIL LEAK FROM WASTEGATE ACTUATOR DRAIN. LOSS OF OIL NECESSITATED ENGINE SHUT-DOWN.SDR 95ZZZX3492Bracket · brokenLEFT TURBOMOUNT BRACKET BROKE AT SUMP ATTACH POINT. THIS BRACKET SUPPORTS THE TURBOCHARGER.SDR 95ZZZX3075Valve · deterioratedPILOT ABORTED TAKEOFF DUE TO ENGINE OVERBOOST. FOUND TOP SECTION OF BUTTERFLY VALVE WARPED DUE TO HEAT. FOUND THAT ON WASTEGATES OVERHAULED USING CONTINUED TIME VALVES, THIS OFTEN HAPPENS ALONG WITH VARING MANIFOLD PRESSURE. ON COMPONENTS WITH NEW VALVES INSDR 95ZZZX3470Turbocharger · failedFOLLOWING DEPARTURE FROM AIRPORT WHILE IN A CRUISE CLIMB AT 8,500 FEET MSL, THE AIRCRAFT'S ENGINE LOST POWER, THEN SURGED. AN IMMEDIATE RETURN TO AIRPORT WAS MADE AND ON THE DESCENT, THE ENGINE WAS INTERMITTENTLY SURGING. MANIFOLD PRESSURE VARIATIONS FROM 18SDR 95ZZZX3207Hose · failedOIL SCAVENGE LINE FROM LEFT TURBOCHARGER INTERNALLY COLLAPSED CAUSING LEFT TURBO TO PUMP OIL INTO INTAKE AND OUT TAILPIPE, 3 QUARTS OF OIL LOST IN APPROXIMATELY 1.5 HOURS. REPLACED ALL OIL SCAVENGE HOSES WITH NEW, SINCE ALL HOSES DATED SAME, 12/21/90 AND ALL SDR 95ZZZX2945Controller · malfunctionON SECOND TAKEOFF DURING CLIMB, MAN. PRESS. DECAYED TO 27 INCHES HG. CLIMB CONTINUED AND POWER SLOWLY CAME BACK - NEXT TAKEOFF WAS NORMAL. REPLACED TURBO CONTROLLER AND ALL HOSES TO AND FROM WASTEGATE, ALSO, CONTROLLER DRAIN HOSE. A/C RAN TO TEST, APPEARED SDR 95ZZZX2683Clamp · brokenON 5-3-95 WHILE ENGINE WAS BEING CHECKED FOR UNRELATED MATTER, MECHANIC NOTED BROKEN CLAMP WHICH HOLDS EXHAUST TO LEFT TURBOCHARGER. IT APPEARED TO HAVE BEEN OVERTORQUED AS ENDS OF CLAMP WERE TOUCHING AND SAFETY WIRED IN THAT POSITION. MECHANIC THEN REMOVED SDR 95ZZZX2968Inlet Duct · wire brokeSUSPECT HARDENED WIRE FROM INLET DUCT BROKE LOOSE AND ENTERED TURBO IMPELLER. SUGGEST WIRE SUPPORTING STRUCTURE BE MOLDED INTO PART TO PREVENT RUST AND BREAKING LOOSE.SDR 95ZZZX2952Turbocharger · leakingSHORTLY AFTER TAKEOFF, RT ENGINE LOST POWER. MAP DROP TO 15 INCHES. AIRCRAFT RETURNED TO FARGO. INSPECTION REVEALED OIL LEAKING FROM INTAKE DRAIN. FOUND OIL SEAL RUPTURE IN TURBOCHARGER AND FLOODED OUT INTAKE SYSTEM. EST 1 QUART OF OIL IN INTAKE SYSTEM, A
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