JASC 7921
Service difficulty reports · 982
Reports filed under 7921 · Engine Oil Cooler, 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 = '7921' 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 = '7921' 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 UALA2010022200637Filter · leakingOIL QUANTITY IND, FLIGHT DIVERTED. AIR OIL HEAT EXCHANGER HAS AN OIL LEAK FOR RIGHT ENGINE. RIGHT ENG HEAT EXCHANGER REMOVED AND AWAITING FOR SERVICEABLE PART. STILL OPEN TO COVER INSTALLATION OF AIR-OIL HEAT EXCHANGER. RAN ENGINE HIGH POWER. LEAK CHECK GOSDR UALA2010011500196Line · leakingNR 2 ENG FUEL OIL COOLER LINE LEAKING. FOUND A COMBINATION FLEX HARD LINE LEAKING FROM FUEL OIL COOLER, PART AOG'D J3857, LINE IN HAND. LEAK APPEARED TO BE ON THE FLEX PART OF THE LINE APPROX 6 INCHES FROM THE FUEL PUMP CONNECTION. R & R FUEL PUMP INLET TUBSDR 2010FA0000002Vernatherm · distortedAFTER REMOVING THE LT OIL COOLER SUPPLY HOSE AT THE CASE FOR ACCESS TO MAGNETO, IT WAS NOTICED THAT THE NUT OFF THE END OF THE VERNATHERM WAS STUCK IN THE FITTING STICKING OUT OF THE CASE. VERNATHERM WAS REMOVED AND REMAINING PARTS LOCATED. INSPECTED SEAT ARSDR ALGA0107101450006Shaft · shearedRECEIVED BLOWER AND FOUND SHAFT SHEARED AT SPLINES. FURTHER VISUAL INSP FOUND NO DAMAGE TO THE IMPELLER OR BLOWER ASSY. THAT WOULD HAVE CONTRIBUTED TO THE SHAFT SHEARING.SDR MASA2009122700364Oil Cooler · leakingASH FLT 7107 DEN-CPR - ACFT DIVERTED DUE TO LOSS OF OIL PRESSURE IN NR 1 ENGINE. SHUT ENGINE DOWN AND DECLARED EMERGENCY. MX DETERMINED THAT THE OIL COOLER WAS LEAKING. REMOVED AND REPLACED NR 1 ENG OIL COOLER, OPS/LEAK CHECK GOOD.SDR CA091214003Control System · failed(CAN) ACFT REACHED CRUISING ALTITUDE OF FL270, PILOT NOTICED RT ENGINE OIL TEMP INDICATION REACHING RED LINE, AND OIL PRESSURE STARTING TO DECREASE. PILOT REDUCED POWER ON RT ENG AND FEATHERED AFFECTED ENG, HE THEN RETURNED TO BASE AND HAD AN UNEVENTFUL LANDINSDR MASA2009100500309Oil Cooler · malfunctionedFRL FLT 2906 GJT - PHX. AIRCRAFT DIVERTED TO DRO AND DECLARED AN EMERGENCY DUE TO RT ENGINE OIL PRESS WARNING. MX R2 OIL COOLER.SDR UALA2009092102976Line · leakingFUEL LEAK FROM AIR NR 2 ENG AIR-OIL COOLER. FOUND FUEL LINE LEAKING AT BOTTOM OF AIR OIL HEAT EXCHANGER ASSY, RE-TORQUED FITTING, NO HELP. SUSPECT LINE OR FITTING ON ASSY BAD. COMPLETED LINE INSTALLATION. REPLACED A/O COOLER VALVE.SDR UALA2009092102974Heat Exchanger · leakingOIL QUANTITY (ENGINE) - LOW. NO LEAKS FOUND DRAIN MAST BUT ON A-CK VISUAL EXCESSIVE OIL FOUND INSIDE BELLY OF REVERSER COWLS, WIPED DOWN & DID IDLE RUN 2 TIMES. OIL SEEMS TO BE COMING FROM ANGLE GEAR BOX AREA. OIL PUDDLES BOTTOM OF FAN CASE (RUNS DOWN STRUTSDR CA090917002Blade · cracked(CAN) ONE EA. BLADE ON OIL COOLER BLOWERS S/N`S 5100-662 AND 5100-655 FOUND CRACK AT WELD AREA. CONDITION FOUND DURING PREFLIGHT INSPECTION. SEE ATTACHED PICTURES FOR CLARITY. (TC# 20090917002)SDR CA090828002Oil Cooler · leakingOIL COOLER STARTED TO LEAK IN FLIGHT, CAUSING OIL PRESSURE FLUXUATIONS, ENG WAS SHUTDOWN, MX FOUND A LEAKING OIL COOLER. COOLER WAS REPLACED. COOLER WILL BE SENT IN TO OUR COMPONENT SUPPLIER FOR ANALYSIS.SDR UALA2009081102450Oil Cooler · leakingFUEL LEAKING FROM "B" NUT OF SERVO FUEL SUPPLY LINE TO THE BACK SIDE OF IDG AIR-OIL HEAT EXCHANGER. LINE IS TAGGED. SAFETY WIRE REMOVED FROM "B" NUTS OF THE SERVO FUEL RETURN AND SUPPLY LINES TO THE BACK SIDE OF AIR-OIL HEAT EXCHANGER. TIGHTENED "B" NUT TWISDR UALA2009071302044Heat Exchanger · leakingFUEL OIL HEAT EXCHANGER LEAKING. AFTER REPLACEMENT OF NR 2 FUEL OIL HEAT EXCHANGER RAN NR 2 ENG LEAKING 24 DROPS A MIN. BAD FROM STOCK. REPLACED FUEL OIL HEAT EXCHANGER. LEAK CHECKS GOOD.SDR CA090708004Motor · malfunctioned(CAN) WHILE THE PILOT WAS SITTING ON THE GROUND IDLING HE NOTICED SMOKE THEN A FLAME COMING FROM THE CENTRE POST BETWEEN THE TWO FRONT WINDSHIELDS. HE IMMEDIATELY SHUT THE AIRCRAFT DOWN AND TURNED OFF ALL ELECTRICAL POWER. AS SOON AS ELECTRICAL POWER WAS TURNESDR CA090519009Oil Cooler · leaking(CAN) DURING THE CLIMB, RT ENGINE LOST OIL PRESSURE WITH ILLUMINATION OF THE WARNING LIGHT. THE CREW SHUTDOWN THE RT ENGINE AND RETURNED TO BASE. UPON INVESTIGATION BY MX, THE OIL COOLER WAS RUPTURED. THE OIL COOLER WAS REPLACED AND THE ENGINE RETURNED TO SERVSDR UALA2009051801399Heat Exchanger · failedSTATUS R ENG A-O VALVE EICAS MESSAGE. REPLACED AIR-OIL HEAT EXCHANGER. ACCOMPLISHED INSPECTION OF AIR OIL HEAT EXCHANGER INSTALLATION.SDR FFKA138Oil Cooler · leakingIN CRUISE FLIGHT PILOT NOTICED LOW OIL PRESSURE LIGHT ILLUMINATED AND THE LEFT ENGINE OIL PRESSURE GAUGE DROPPING TO ZERO. PILOT PERFORMED ENGINE SHUTDOWN AND LANDING WAS UNEVENTFUL. POST INSPECTION REVEALED THAT THE ENGINE OIL COOLER WAS LEAKING FROM WITHINSDR CA090420005Gasket · unserviceable(CAN) NR 2 ENGINE OIL COOLER GASKET FAILED.SDR JJBA200979396Oil Cooler · leakingNR 2 ENGINE SHUTDOWN IN-FLIGHT DUE TO NR 2 ENGINE OIL PRESSURE LOW. THE FLIGHT WAS FROM CLE TO BDL,BUT DID AN EMERGENCY LANDING AT PIT.SDR DL76G090655Heat Exchanger · damagedDURING TAKEOFF ROLL AT APPROX 40 KTS FELT SHUTTER AND ACFT VEERED TO THE LEFT. THROTTLES PULLED BACK AND TAKEOFF ABORTED. LT ENG LEAKING FUEL FROM COWLING. LT ENG SHUT ITSELF DOWN. MAINTENANCE FOUND FOHE BAD. AFT SECTION OF HEAT EXCH WELD FAILED/5IN DIA DISDR CA090417003Actuator · malfunctionedAT AROUND FL 120, OIL TEMPERATURE NR 2 ENGINE WAS OBSERVED IN THE RED RANGE (AROUND 110 DEGREES). RETURNED TO BASE. ON DESCENT WITH POWER REDUCTION, TEMPERATURE WENT OUT OF RED. AN UNEVENTFUL LANDING COMPLETED. CDS INTERROGATED, NO FAULT CODES FOUND. TROUBSDR CA090227004Cooler · cracked(CAN) COMMENCING THE DESCENT, THE CREW OBSERVED OIL PRESSURE FLUCTUATION ON THE NR 1 ENGINE ACCOMPANIED BY 2 FLASHES OF THE RED LOCAL ALERT. NO CCAS ALERT WAS OBSERVED. THE ACFT RETURNED TO POINT OF DEPARTURE AND LANDED WITHOUT FURTHER PROBLEM. MX OBSERVED ASDR WRLA2009060Angle · crackedDURING C-CHECK IN TPE INSPECTION FOUND NR 3 ENGINE PYLON PRECOOLER LT SIDE UPPER STRUCTURE ANGLE CRACKED (REF EGAT N/R U05114). REPLACED WITH NEW PART 1EA ON NR 3 ENGINE PRECOOLER LT SIDE UPPER IAW MD11 SRM VOL II 51-35-01 REV 40.SDR HNAA2009020900048Oil Cooler · leakingNR 1 ENGINE OIL PRESSURE AT 20 PSI WITH NR 1 ENGINE PRESSURE CAUTION LIGHT ILLUMINATED ON TAKE OFF ROLL. (LIGHT/PIS ON FOR 4 TO 5 SECONDS). FOUND OIL COOLER LEAKING, R&R OIL COOLER IAW MM 79-20-11. PERFORMED LOW OIL PRESSURE INSPECTION IAW MM 05-50-00. GROUNSDR CA090123001Fan · failed(CAN) SLIGHT VIBRATION FELT THROUGH ACCELERATION DURING START TO FLIGHT IDLE RPM. OIL COOLER FAN BRGS REPLACED AND FAN BALANCED CHECKED SERVICEABLE. VIBRATION DISAPPEARED BUT WITHIN 30 FLIGHT HOURS BEGAN INCREASING IN FREQUENCY AGAIN DURING THE SPOOL UP THEN SSDR UALA2008121806916Bypass Valve · faultyNR 2 ENG HIGH OIL CONSUMPTION EXCEEDS LIMIT. DUE TO INCREASE IN OIL CONSUMPTION & NO LEAKS REPORTED DURING HIGH POWER REPLACED FCOC & BYPASS VALVE.SDR UALA2008121806915Bypass Valve · leakingNR 1 ENGINE HOC. FOUND NR 1 ENG FUEL-OIL HEAT EXCHANGER LEAKING OIL- INTO FUEL. REPLACED NR 1 FOX & BYPASS VALVE ASSY. OP CHECKED GOOD ON HIGH POWER RUN, NO LEAKS NO FAULTS.SDR CA081223007Hose · leaking(CAN) AIRCRAFT WAS ON A REGULAR TRAINING FLIGHT WHEN THE CREW NOTICED THAT THE OIL PRESSURE INDICATION HAD FALLEN OUT OF THE GREEN ARC AND REMAINED LOW UNTIL THE AIRCRAFT WAS ABLE TO RETURN TO BASE. ONCE THE AIRCRAFT HAD RETURNED AND WAS INSPECTED MY MAINTENASDR S9BA2008032Gasket · failedLOST NR 2 OIL PRESSURE AND TORQUE PRESSURE OIL ON ENGINE COWLING AND RIGHT FLOAT. FOUND OIL COOLER RETURN LINE GASKET LEAKING. REMOVED AND REPLACED GASKET, SERVICED ENGINE WITH 4 QUARTS OF OIL. LEAK CHECK SATISFACTORY. PROPELLER WAS FEATHERED AND ENGINE WASSDR 2009FA0000022Nut · backed outOIL COOLER BLOWER DRIVEN PULLEY RETAINING NUT IS BACKING OFF OF SHAFT DURING NORMAL USE. NUT IS A STAINLESS STEEL, SILVER PLATED, ALL METAL SELF LOCKING TYPE NUT. THIS WAS THE 3RD OCCURRENCE OF THIS TYPE FOR OUR UNIT AND WE ARE ALSO AWARE OF ONE OTHER INCIDESDR DL76P081438Line · leakingAIRCRAFT ATB FOR NR 2 ENG LOSS OF OIL QTY AND OIL PRESSURE. CREW SHUT DOWN ENGINE PRIOR TO LANDING. T/S IN PROGRESS AIR/OIL COOLER OIL RETURN LINE FOUND CRACKED. REPLACED NR 2 ENGINE.SDR CA081021007Oil Cooler · leaking(CAN) NR 1 ENGINE OIL PRESSURE BELOW 40 PSI. NR 1 ENGINE SHUT DOWN IN FLIGHT. AFTER THE ACFT RETURNED TO BASE IT WAS FOUND AN OIL LEAK FROM THE NR 1 ENGINE OIL COOLER.SDR 15HA0858011AOil Cooler · leakingWHILE IN FLIGHT, THE CREW OBSERVED THE OIL QUANTITY ON THE RT ENGINE DECREASING. AS THE OIL QUANTITY CONTINUED TO DECREASE, THE CREW ELECTED TO SHUT DOWN THE ENGINE AS A PRECAUTIONARY MEASURE. THE CREW DIVERTED TO ST MARTIN SMX AND MADE AN UNEVENTFUL LANDINGSDR UALA2008111305837Oil Cooler · faultyL ENG OIL QTY INDICATION DROPPING INDICATED 2QTS WITH TEMP RISING. CREW REPORT. RPLD AIR COOLED OIL COOLER. RUN, OPS LEAK CK OK.SDR 2008UALA05837Oil Cooler · malfunctionedL ENG OIL QTY INDICATION DROPPING INDICATED 2 QTS WITH TEMPERATURE RISING, CREW REPORT. REPLACED AIR COOLED OIL COOLER. RUN, OPS LEAK CHECK OK.
SDR 2008UALA04389Bypass Valve · leakingOIL LEAKAGE FROM LT ENG OIL COOLER BYPASS VALVE. FOUND LEAK FOUND COMING FROM AIR-OIL HEAT EXCHANGER VALVE. REPLACED NR 1 ENG AIR OIL HEAT EXCHANGER. NO LEAKS ON GROUND TEST.
SDR I5H2008F00003Oil Cooler · leakingWHILE IN FLIGHT, THE CREW OBSERVED THE OIL QUANTITY ON THE RT ENGINE DECREASING. AS THE OIL QUANTITY CONTINUED TO DECREASE, THE CREW ELECTED TO SHUTDOWN THE ENGINE AS A PRECAUTIONARY MEASURE. THE CREW MADE AN UNEVENTFUL LANDING. MAINTENANCE INSP REVEALED A LSDR 2008FA0000602Oil Cooler · crackedUPPER MOUNTING FLANGE HAS A 1.25 INCH CRACK AGAINST OIL COOLER BODY. (K)SDR M7KA0625084248Bearing · failedPILOT REPORTED THAT ON PREFLIGHT INSPECTION THE OIL COOLER FAN IMPELLOR WOULD NOT TURN BY HAND. BEARINGS WERE SEIZED. INSTALLED SERVICEABLE BLOWER ASSY. THIS PART IS FAILURE PRONE, SUSPECT ALTERNATIVE ARMATURE BEARINGS OR GREASE BE CONSIDERED. (K)SDR 2008UALA03282Warning Message · activatedPER CREW, R ENG A-O VALVE MESSAGE AFTER START.SDR HEEA119764Shaft · shearedNR 1 ENGINE OIL TEMPERATURE WENT TO 120 DEGREES C, IN THE RED ZONE. COMPLIED WITH CHECKLIST AND SHUTDOWN NR1 ENGINE AND PERFORMED RUN-ON LANDING. FOUND OIL COOLER BLOWER SHAFT SHEARED.SDR MT9A00000037Flange · crackedUPPER MOUNTING FLANGE HAS A 1.5 INCH CRACK AGAINST OIL COOLER BODY. (K)SDR MT9A00000038Flange · crackedUPPER MOUNTING FLANGE HAS A 2.25 INCH CRACK AGAINST OIL COOLER BODY. (K)SDR MT9A00000039Flange · crackedUPPER MOUNTING FLANGE HAS A 2 INCH CRACK AGAINST OIL COOLER BODY. (K)SDR 2008FA0000302Gasket · failedTHE OIL COOLER ADAPTER GASKET TAILED IN FLIGHT CAUSING (2) QUARTS OF OIL IN ONE HOUR TO BE PUMPED INTO THE ENGINE COWLING. THIS ENGINE IS A FACTORY REMANUFACTURED ENGINE WITH 140 HOURS SINCE REMAIN. ON INSPECTION AND DISASSEMBLY THE OIL COOLER ADAPTER BOLTS SDR SWIA200819390Oil Cooler · leakingFLT 5557 - RIGHT ENGINE OIL PRESSURE DROPPED ON TAKEOFF. REPLACED OIL COOLER IAW EMB 79-21-01. OPS AND LEAK CHECKS GOOD.
SDR CA080314012Thermostat · stuck(CAN) THERMOSTAT STUCK AND ENGINE OIL TEMPERATURE INCREASED TO RED LINE. (TC NR 20080314012)SDR 2008FA0000307Oil Cooler · wornTHE OIL COOLER SUPPORT SHOE RUBBER COATING IS FAILING AND EATING INTO THE OIL COOLER .020 TO .040 OF AN INCH. IAW MM IT IS INSTALLED AT ENGINE ASSY AND ADJUSTED AFTER INITIAL TEST RUN. THERE IS NO PUBLISHED IN SERVICE INSTRUCTION FOR IT. IF THIS CONDITION IS SDR UH02008F00001Scroll · crackedUPON INSPECTION OF OIL COOLER FAN ASSY FOUND MANY CRACKS AROUND THE TOP MOUNT OF SCROLL ASSY. (K)SDR 2008FA0000221Scroll · crackedUPON INSPECTION OF OIL COOLER FAN ASSY, FOUND MANY CRACKS AROUND THE TOP MOUNT OF SCROLL ASSY. (K)
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