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 AU980401Compressor Blade · eroded(AUS) TURBOCHARGER COMPRESSOR BLADE LEADING EDGES SEVERELY ERODED. DURING INVESTIGATION, AN AN363C-362 NUT WITH THE REMAINS OF A SCREW STILL ATTACHED WAS FOUND ON THE TOP OF THE INDUCTION AIR FILTER BETWEEN THE FILTER AND THE TURBOCHARGER.SDR 98ZZZX1300Bearing Housing · deterioratedTURBOCHARGER VISUAL INSPECTION, ERODED FLAME SPRAY IS APPARENT. THIS PART IS UNREPAIRABLE AND REJECTED FROM SERVICE. EROSION OF THE FLAME SPRAY FROM THE BASE METAL HAS BEGUN. IT HAS BEEN DETERMINED THAT COMPLETE SEPARATION OF THE FLAME SPRAY FROM THE BASE MSDR 98ZZZX1299Bearing Housing · deterioratedTURBOCHARGER VISUAL INSPECTION SHOWS A PREVIOUS REPAIR USING FLAME SPRAY. THE ENTIRE ALIGNMENT RING IS ERODED AWAY AND MELTED DOWN. THE SEAL BORE AREA IS ALSO MELTED DOWN. THIS PART IS UNREPAIRABLE AND REJECTED FROM SERVICE. THE EROSION AND SEPARATION OF PISDR 98ZZZX1298Bearing Housing · deterioratedBEARING HOUSING HAS BEEN REPAIRED BEFORE USING A PROCESS KNOWN AS FLAME SPRAY. THIS IS A PROCESS IN WHICH SUPERHEATED BRASS AND THEN ALUMINUM ARE SPRAYED ON THE PART. THIS PART IS SHOWING SIGNS OF COMPLETE SEPARATION BETWEEN THE ORIGINAL BASE METAL AND THE FSDR 98ZZZX1295Housing · defectiveBEARING HOUSING HAS BEEN FLAME SPRAYED. THE DEGREE OF FLAME SPRAY WAS UNKNOWN UNTIL WELDING. IT WAS THEN THE SEPARATION STARTED OCCURRING. THIS PART IS REJECTED FROM SERVICE. ALUMINUM AND BRASS ARE NOT COMPATIBLE. FLAME SPRAY REPAIRS GREATLY SHORTEN THE LSDR 98ZZZX1302Turbocharger · crackedON TEAR-DOWN OF TURBOCHARGER, SN 21761, OIL EVIDENCED IN THE EXHAUST HOUSING. REMOVAL OF EXHAUST HOUSING AND CLEANING SHOWED CRACKS IN THE VOLUTE THROAT BEYOND SERVICEABLE LIMITS. ALSO NOTED WERE CRACKS ACROSS MOUNTING FLANGE. TURBINE WHEEL SHOWED DAMAGE INSDR 98ZZZX1301Turbocharger · crackedON TEAR-DOWN OF TURBOCHARGER, SN 21761, OIL EVIDENCED IN THE EXHAUST HOUSING. REMOVAL OF EXHAUST HOUSING AND CLEANING SHOWED CRACKS IN THE VOLUTE THROAT BEYOND SERVICEABLE LIMITS. ALSO NOTED WERE CRACKS ACROSS MOUNTING FLANGE. TURBINE WHEEL SHOWED DAMAGE INSDR CA980317018Seal · leaking(CAN) THE NR 1 ENGINE BEGAN TO RUN ROUGH DURING CLIMB AND SMOKE WAS NOTICED IN THE EXHAUST DURING CRUISE. THE ENGINE WENT NORMALLY ASPERATED AND SHORTLY AFTER THE CREW NOTICED LOWER THAN NORMAL OIL PRESSURE, AT WHICH POINT THE ENGINE WAS SHUTDOWN AS A PRECAUTISDR 98ZZZX1328Bracket · crackedDURING PHASE INSPECTION, LT TURBOCHARGER MOUNTING BRACKET WAS FOUND CRACKED ALONG WELD JOINING FLAT PLATE AND TUBE PORTION.SDR CA980318039Turbine · misrepaired(CAN) TURBO WAS SENT FOR REPAIR DUE TO RUBBING OF COMPRESSOR ON CASING. SHOP FOUND AUTOMOTIVE PARTS INSTALLED.SDR CA980311008Controller · faulty(CAN) DURING CRUISE DESCENT OUT OF 12,000 FEET A NOTICEABLE LOSS OF MANIFOLD PRESSURE (33 INCHES DOWN TO 17 INCHES) WAS EXPERIENCED ON NR 2 ENGINE. THE APPROPRIATE DRILL WAS CARRIED OUT AND THE ENGINE WAS KEPT RUNNING AS IT WAS PRODUCING POWER. AN UNSCHEDULED SDR 98ZZZX889Turbocharger · failedONE BENT BLADE AND ONE BLADE SEPARATED AT HALF ITS LENGTH. PART FAILED ON FINAL APPROACH TO LANDING. COMPRESSOR SHAFT AND TURBINE SHAFT BENT. NO KNOWN REASON FOR COMPRESSOR BLADE TO HAVE SEPARATED, OR FOR SHAFT TO HAVE BENT, NO EVIDENCE OF FOREIGN OBJECTS BSDR AU980110Blanket · burnt(AUS) LH AND RH ENGINE TURBOCHARGER INSULATION BLANKETS DETERIORATED AND BURNT.SDR 99ZZZX654Clamp · corrodedAIRCRAFT WAS MODIFIED UNDER STC SA2556 TO INSTALL TSIO-520 ENGINE. EXHAUST CLAMP TO LEFT TURBOCHARGER FAILED DUE TO CORROSION ALLOWING HOT EXHAUST GASSES TO MELT ALL ELECTRICAL WIRING AND VOLTAGE REGULATOR ON LEFT SIDE OF FIREWALL. THIS BYPASSED MASTER SWITCSDR 98ZZZX95Turbocharer · leakingOIL SEAL IN TURBOCHARGER FAILED CAUSING SMOKE TO ENTER CABIN. TURBOCHARGER, TOTAL TIME, 1,764.0 HOURS.SDR 98ZZZX351Bracket · brokenDURING A 100-HOUR INSPECTION, MECHANIC FOUND THE RIGHT TURBO MOUNTING BRACKET BROKEN. CESSNA BRACKET 0851139-3 HAD ITS OUTBOARD LOWER ATTACH LEG BROKEN OFF. UNABLE TO DETERMINE THE CAUSE OF THIS PROBLEM.SDR CA971216017Turbo Charger · dragging(CAN) DURING CRUISE AT 13,000 FEET, THE CREW NOTICED A REDUCTION IN MANIFOLD PRESSURE ON NR 2 ENGINE THAT COULD NOT BE REGAINED WITH THE THROTTLE. THE AIRCRAFT DIVERTED AND LANDED WITHOUT INCIDENT. POST-FLIGHT INSPECTION FOUND THE TURBOCHARGER ROTATING GROUPSDR CA971216014Seal · leaking(CAN) OIL FOUND IN NR 3 ENGINE SUPERCHARGER. NR 3 SEAL REPLACED.SDR CA971216008Seal · leaking(CAN) OIL FOUND IN SUPERCHARGER. NR 9 SEAL REPLACED.SDR 97ZZZX4802Bolt · failedTURBOCHARGER MOUNT LOWER RIGHT HAND ATTACH BOLT LOOSENED AND VIBRATED UNTIL THE NUT AND COTTER KEY FAILED. BOLT THEN DEPARTED THE ENGINE.SDR 97ZZZX4763Turbocharger · looseAT ANNUAL INSPECTION, NOTED THE CENTER SECTION WAS LOOSE AT THE BOLTS THAT HOLD THE CENTER SECTION TO THE HOT SIDE OF THIS UNIT. THIS HAS BEEN LEAKING AS THERE WAS EVIDENCE OF EXHAUST IN THIS AREA. IT IS ASSUMED THESE BOLTS WERE LEFT LOOSE DURING INSTALLATIOSDR 97ZZZX4638Turbocharger · seal leakFOUND OIL LEAKING FROM TURBOCHARGER ON COMPRESSOR SIDE AND EXHAUST SIDE OF TURBOCHARGER. SENT IN FOR OVERHAUL AND FOUND EXHAUST TURBINE WHEEL OUT OF BALANCE WHICH WORE OUT THE OIL SEALS ON THE HOT AND COLD SIDE OF TURBO. ESTIMATED TIME ON PART, 1,000 HOURS.SDR 97ZZZX4742Clamp · defectivePILOT REPORTED THAT AT 10,000 FEET, HE LOST MANIFOLD PRESSURE ON LEFT ENGINE. DURING DESCENT AT 3,000 FEET, HE REGAINED POWER. DURING TROUBLESHOOTING, IT WAS DETERMINED THE CLAMP ON THE TURBOCHARGER WASTEGATE WAS LOSING ITS ABILITY TO PROPERLY SEAL AT HIGH TSDR CA970930005Supercharger · oil leak(CAN) TIME EXPIRED SUPERCHARGER WAS REPLACED WITH AN OVERHAULED UNIT AND THERE WAS NO INDICATION OF OIL LEAKS ON THE ENGINE GROUND TEST RUN UP. AFTER 3.3 HOURS OF FLIGHT TIME, THE FLIGHT CREW FOUND OIL INDICATOR FLOAT LEVEL LOW ON THE NEXT PRE-FLIGHT INSPECTIOSDR 97ZZZX4286Clamp · failedAT ALTITUDE, TURBOCHARGER FAILED DUE TO INTER COOLER CLAMP SEPARATION. THIS IS SECOND SET OF CLAMPS THAT HAVE SEPARATED. THE CRIMPED END HAS COME APART.SDR 97ZZZX4042Intercooler · leaksLEAKAGE AT OUTLET CONNECTION OF INTERCOOLER FOR TURBOCHARGER ON ENGINE. OUTLET OF INTERCOOLER IS SQUARE AND A ROUND RUBBER HOSE IS CLAMPED TO THE SQUARE OUTLET. OVER TIGHTNING OF CLAMP COULD CAUSE COLLAPSE OF OUTLET. HOSE PINCHES DURING CONNECTION AND LEAKSSDR 97ZZZX4329Valve · failedLEFT ENGINE WENT TO NORMALLY ASPIRATED, DUE TO LT TURBO VALVE FAILURE.SDR AU971468Turbocharger · failed(AUS) ENGINE TURBOCHARGER FAILED. INVESTIGATION FOUND THAT THE EXHAUST TURBINE HAD BEEN SKIDDING ON THE REAR THRUST FACE.SDR 97ZZZX3690Turbocharger · oil leakOIL AND SMOKE NOTICED FROM EXHAUST. FOUND OIL SEAL IN TURBO LEAKING. REPLACED TURBO.SDR 97ZZZX3167Turbocharger · seal failedTURBOCHARGER OIL SEAL FAILED BETWEEN FLIGHTS. ACFT PARKED, AND WAS RESTARTED 15 MINUTES AFTER SHUT DOWN. LEFT ENGINE WAS BLOWING BLUE SMOKE AND OIL WAS RUNNING OUT OF COWL. TURBOCHARGER SEAL FAILURE OCCURRED DURING START ON THE GROUND.SDR 97ZZZX3096Turbocharger · bearing failedA MINOR OIL LEAK WAS DISCOVERED COMING FROM THE TURBOCHARGER HOUSING. UPON INSPECTION, FOUND THE TURBO'S MAIN BEARINGS HAD GONE OUT CAUSING SLIGHT DAMAGE TO THE OIL SEAL. TURBO HAS BEEN REMOVED AND IS BEING REPLACED WITH A SERVICEABLE PART.SDR 97ZZZX2928Header Assy · hole burnedSPECIAL INSPECTION OF EXHAUST SYSTEMS IAW AD 75-23-08-R5 AND CESSNA PILOTS ASSOCIATION LETTER 4-28-97 (URGENT LETTER TO OWNERS OF TURBOCHARGED TWIN CESSNAS). THE HEADER HAD A HOLE BLOWN IN V-BAND CLAMP AREA. THE BAFFLE IN HEADER WAS WARPED FROM HEAT AND CRACSDR CA970618002Bearing · failed(CAN) THE SUPER CHARGER BEARING FAILED IN FLIGHT AND THE ENGINE WAS SENT TO AN OVERHAUL SHOP AFTER INSPECTION FOUND THE ENGINE WAS MAKING METAL.SDR 97ZZZX2850Turbocharger · crackedTURBOCHARGER EXHAUST HOUSING CRACKED AROUND AUXILIARY MOUNTING LUG.SDR 97ZZZX4465Hose · brokenDURING THE 100-HOUR INSPECTION AT 908 HOURS ON 3-17-97 WHILE CHECKING HOSES FOR CONDITION NOTICED THE NR 4 HOSE, MIL-H-593, THAT ATTACHED TO THE TURBO DIFFERENTIAL PRESSURE CONTROLLER WAS BROKEN AT THE MS27404 FITTING. THIS HOSE GOES TO THE OIL SUMP AND INDUCSDR 97ZZZX2075Bolt · shearedTURBO MOUNT BOLT LOWER INBOARD AND OUTBOARD AND GETS LOOSE USUALLY AFTER 100 HOURS FLYING TIME. SUBMITTER RECOMMENDS THE BOLT BE CHANGED FROM COURSE THREAD TO FINE THREAD WITH LOCKNUT.SDR 97ZZZX1710Retain Ring · dislodgedEXTERNAL RETAINING RING THAT HOLDS THE TURBO SCAVENGE PUMP DRIVEN GEAR IN PLACE DISLODGED ALLOWING GEAR TO DISENGAGE WITH SUBSEQUENT PUMP FAILURE. WITH SCAVENGE PUMP INOPERABLE, OIL WAS FORCED BY TURBO SEAL AT A RAPID RATE AND BURNED IN THE EXHAUST UNNOTICED SDR BIER970045Transition Tube · crackedFOUND TRANSITION PIPE BELOW TURBO CRACKED AT EACH SIDE OF THE CENTER FLANGE. SUBMITTER STATES HAVE FOUND THIS ON NUMOROUS PIPES, SUGGEST 500 HOUR INSPECTION REQUIRING TURBO REMOVAL.SDR PNSA970304Turbocharger · failedPARTIAL LOSS OF POWER, RT ENGINE. REPLACED TURBOCHARGER.SDR CA970211002Turbine Shaft · sheared(CAN) TURBOCHARGER WAS INSTALLED AS PART OF AN OVERHAULED ENGINE. TURBOCHARGER WAS PREOILED AND GROUND RUNS WERE SATISFACTORY. TWO TRAINING FLIGHTS WERE CARRIED OUT PRIOR TO THE FAILURE. PILOT REPORTED FLUCTUATING OIL PRESSURE AND SHUT THE ENGINE DOWN. POST FLSDR 97ZZZX806Hose · bindDURING C/W SB M81-21, IT WAS NOTED TURBO OIL LINE WAS SHORT AND IN A BIND. SUBMITTER SUGGESTS ADDING 45 DEGREE FITTING ON HOSES TO RELIEVE PROBLEM.SDR BIER970040Sealing Lip · erodedDURING UNRELATED MAINTENANCE, FOUND SEALING LIP THAT HELPS SEAL THE TURBINE HOUSING TO THE TURBOCHARGER CENTER SECTION ERODED AWAY AND THE GASKET PARTIALY BLOWN OUT. INSPECTION OF THE NUMBER ONE ENGINE TURBO WITH LIKE HOURS REVEALED A SIMILAR CONDITION. SUBMSDR 97ZZZX573Exhaust Wye · crackedTURBO EXHAUST WYE RECEIVED FOR INSP AND REPAIR. FOUND UNIT HAD A CRACK AROUND WELD ON OUTLET TUBE SIDE. IT WAS EVIDENT TUBE AND INTERNAL DIVIDER HAD BEEN REPLACED. IMPROPER MATERIALS HAD BEEN UTILIZED IN THE FABRICATION OF THE OUTLET TUBE AND DIIVDER.SDR 97ZZZX464Control Arm · misdrilledWASTEGATE CONTROL ARM (NEW PART) WAS MIS-DRILLED. SUBMITTER HAD TO ORDER 4 UNITS BEFORE RECEIVING A USEABLE PART.SDR 97ZZZX1193Wastegate · crackedDURING AN OIL AND FILTER CHANGE, THE WASTEGATE CRACK DEFECT WAS FOUND. DEFECT NOT PRESENT AT 50 HOUR CHECK 50 HOURS PREVIOUS.SDR CA970107005Actuator Gate · excess wear(CAN) ABORTED TAKEOFF DUE TO ENGINE OVER BOOST. WASTE GATE FOUND TO BE SOURCE OF THE PROBLEM. THE ENGINE WAS REPLACED.SDR CA961218017Transition Assy · cracked(CAN) TURBOCHARGER TRANSITION ASSEMBLY FOUND CRACKED ON INSPECTION.SDR CA961230014Supercharger · faulty(CAN) DURING CRUISE 30 MINUTES AFTER DEPARTURE THE #2 ENGINE RPM INDICATOR WENT TO ZERO. HYDRUALIC FLOW LIGHT GENERATOR AND ALTERNATOR LIGHTS ILLUMINATED. THE ENGINE WAS SHUTDOWN AND THE AIRCRAFT RETURNED TO BASE. POST FLIGHT INSPECTION OF THE GEARBOX FOUND THSDR BSAA112096Controller · stickingBIL - RIGHT FUEL FLOW LAGGED AND THEN MANIFOLD PRESSURE SPIKED. STICKING WASTEGATE CONTROLLER. WASTEGATE CONTROLLER DISASSEMBLED, CLEANED, INSPECTED, AND REASSEMBLED WITH NEW SEALS. THE OLD SEALS SHOWED SIGNS OF WEAR IN SOME AREAS. GROUND RUN AND LEAK CHECSDR CA961216003Surpercharger · failed bushing(CAN) ENGINE SUPERCHARGER PRESSURE FLUCTUATING AND MAKING A HIGH PITCH SOUND. NO METAL WAS FOUND IN THE OIL SCREEN. INSPECTION FOUND THE IMPELLER WITH EXCESSIVE MOVEMENT. ON DISASSEMBLY THE EXCESSIVE IMPELLER MOVEMENT WAS CAUSED BY THE FAILURE OF THE SUPERCHAR
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