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.

SDR HEEA0015851Oil Cooler · corrodedOIL COOLER HAS HIGH OIL TEMPERATURE AND FINS ARE CORRODED.Aug 27, 1998 · N21497 · Bell 206L3SDR USAASB98212Oil Cooler · failedBWI - FLT 2662 - UPON CLIMB-OUT FROM BWI, THE NR 1 ENGINE OIL TEMPERATURE WENT INTO THE YELLOW BAND AT FL 160. FLIGHT RETURNED TO FIELD AT BWI AND LANDED WITHOUT FURTHER INCIDENT. TEMPERATURE REMAINED IN YELLOW BAND FOR 12 MINUTES THEN WENT TO THE EDGE OF GRAug 17, 1998 · N255AU · Boeing 737201SDR RAIA980811Actuator · failedFLT 7061 - STL - LEFT OIL COOLER DOOR LIGHT ILLUMINATED AFTER TAKEOFF. MAINTENANCE REPLACED LEFT OIL COOLER FLAP ACTUATOR. (M)Aug 17, 1998 · N436AM · Bag JETSTM3201SDR PCAA9800779Valve · failedUPON TAKEOFF FROM BOS, THE NR 1 ENG TEMP EXCEEDED 125 DEGREES. THE CREW SECURED THE ENGINE AND RETURNED TO FIELD. LANDING WAS WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT THE OIL TEMP SYSTEM. REMOVED AND REPLACED THE OIL COOLER DIVERTER VALVE, OIL TEMP BULB AAug 11, 1998 · N832EX · Dhav DHC8102SDR 99ZZZX2678Bracket · brokenNR 4 ENGINE BRACKET AT LOWER FUEL/OIL HEAT EXCHANGER BROKEN. REPAIRED NR 4 ENGINE BRACKET AT LOWER FUEL/OIL HEAT EXCHANGER BY WELDING IAW ALLIED SIGNAL/TEXTRON MM.Aug 11, 1998 · N610AW · Bag BAE146200ASDR HEEA0015463Indicator · reads highPRESSURE INDICATOR READS 5 PSI HIGH.Jul 30, 1998 · N8591X · Bell 206L3SDR HEEA0015242Cooler · failedRECEIVED OIL COOLER FROM STOCK. INSTALLED ON AIRCRAFT AND ENGINE OIL TEMP WAS VERY HIGH AT RED LINE. COOLER APPEARS CLOGGED AND DIRTY AND ALSO CORRODED.Jul 27, 1998 · N8589X · Bell 206L3SDR HEEA0015241Cooler · failedINSTALLED OIL COOLER FROM STOCK AND RAN AIRCRAFT. ENGINE OIL TEMP WAS HIGH.Jul 27, 1998 · N2758N · Bell 206L1SDR LR7A9833Oil Cooler · inoperativeSHUTDOWN NR 2 ENG DUE TO HIGH OIL TEMP. REMOVED AND REPLACED NR 2 ENG OIL COOLER, SEE SPAR WO NR 20-431-101-001. INOPERATIVE THERMOSTATIC BYPASS AND RELIEF VALVE.Jul 24, 1998 · N401LC · Lkheed 382GSDR SWAA981390Oil Cooler · failedAIR RETURN, DUE ON CLIMB-OUT APPRX 17,000 NR 2 ENG OIL TEMP REACHED 125 DEG, QRH ITEMS COMPLETED DISPATCH ADVISED. AIRCRAFT MADE AN UNEVENTFUL LANDING. REMOVED AND REPLACED FUEL OIL COOLER ON NR 2 ENG AND LK CHECK PER BOEING MM. OIL TEMP OPS CK NORMAL.Jul 17, 1998 · Boeing 7372H4SDR HEEA0015182Oil Cooler · leakingOIL COOLER CORE LEAKING.Jul 13, 1998 · N467PH · Bell 407SDR 98ZZZX2642Oil Cooler · brokenFOUND THE DIAGONAL BRACE ACROSS THE FORWARD SIDE OF THE OIL COOLER BROKEN OFF AT THE LOWER END.Jun 30, 1998 · N60RR · Cessna 421CSDR 98ZZZX2641Oil Cooler · brokenFOUND THE DIAGONAL BRACE ACROSS THE FORWARD SIDE OF THE OIL COOLER BROKEN OFF AT BOTH ENDS.Jun 30, 1998 · N60RR · Cessna 421CSDR VNAA9806018Valve · failedA HIGH OIL TEMPERATURE WARNING MESSAGE OCCURED FOR THE RIGHT HAND ENGINE, DURING THE TAXI FOR TAKEOFF. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPLACED THE RIGHT HAND OIL COOLER DOOR THERMAL VALVE, IN ACCORDANCE WITH DORNIER MAINTENANCE Jun 29, 1998 · N430JS · Dorner DO328100SDR HEEA0015031Cooler · leakingENGINE OIL COOLER LEAKING.Jun 26, 1998 · N141MA · Bell 407SDR HEEA0014998Cooler · contaminatedOIL SYSTEM COOLER HAS METAL CONTAMINATION.Jun 24, 1998 · N417PH · Bell 407SDR HEEA0014972Cooler · making metalOIL SYSTEM COOLER MAKING METAL.Jun 23, 1998 · N40466 · Snias AS350B2SDR HEEA0014804Cooler · leakingOIL COOLER LEAKING.Jun 17, 1998 · N447PH · Bell 407SDR HEEA0014694Oil Cooler · leakingOIL COOLER LEAKING IN FIN AREA.Jun 10, 1998 · N5736J · Bell 212SDR HEEA0014545Oil Cooler · leaksOIL COOLER LEAKING.Jun 4, 1998 · N92MT · Bell 206L3SDR HEEA0014544Oil Cooler · leaksOIL COOLER LEAKING.Jun 4, 1998 · N6610C · Bell 206L3SDR COMA9810122Hose · leakingLOW OIL PRESSURE WARNING ON RIGHT HAND ENGINE INFLIGHT SHUTDOWN. REPLACED OIL COOLER HOSE ASSEMBLY THAT WAS LEAKING DUE TO CHAFING DAMAGE.May 14, 1998 · N255CA · Emb EMB120RTSDR CA980519012Line · leaking(CAN) POWER WAS REDUCED IN-FLIGHT AND THEN NR 2 ENGINE WAS SHUTDOWN DUE TO REDUCING OIL PRESSURE. POST-FLIGHT MAINTENANCE IDENTIFIED PROBLEM AS AN OIL LINE LEAK AT THE OIL COOLER. NR 2 ENGINE WAS REPLACED DUE TO PREVIOUS PROBLEMS WITH FOUR OIL COOLERS AND THMay 1, 1998 · Dhav DHC8102SDR 98ZZZX2140Bolt · failedFOUR EACH OF THESE BOLTS HOLD THE OIL COOLER TO RT BAFFLE. TWO OF THESE BOLTS FAILED LEAVING ONLY THE TWO INBD BOLTS SECURING THE OIL COOLER. FAILURE WAS DISCOVERED AT OIL CHANGE. THIS IS THE P/N CESSNA CALLS FOR IN THE IPM (ILLUSTATED PARTS MANUAL). BOTH May 1, 1998 · N6435V · Cessna 172RGSDR CA980430015Oil Cooler · leaking(CAN) DURING WALK-AROUND, AN OIL LEAK WAS FOUND ON THE NR 2 ENGINE OIL COOLER. THE OIL LEAK WAS FROM THE MATRIX AREA. THE OIL COOLER WAS REPLACED.Apr 17, 1998 · Dhav DHC8102SDR MASA98084Hose · leakingFLT 4441 - AFTER TAKEOFF OF TRAINING FLIGHT, CREW NOTICED THE MASTER WARNING FLASHING THEN NOTICED THE OIL PRESSURE LOW ANNUNCIATOR ILLUMINATED. THE ENGINE WAS SECURED AND THE CREW DECLARED AN EMERGENCY. AIRCRAFT RETURNED TO THE FIELD WITHOUT INCIDENT. MAINApr 16, 1998 · N5YV · Beech 1900DSDR RAIA980405Cooler · failedFLT 7756 - JFK - RIGHT ENGINE OIL PRESSURE DROPPED, CREW PERFORMED ENGINE SHUTDOWN. MAINTENANCE REPLACED RIGHT ENGINE OIL COOLER ASSEMBLY. (M)Apr 12, 1998 · N571HK · Jetair JETSTM4101SDR CA980421030Cooler · leaking(CAN) OIL COOLER LEAKED IN-FLIGHT. PART TC: 7,921.Apr 8, 1998 · Dhav DHC8102SDR VTZA98150Actuator · failedIAD/ILM - FLT 6623 - DURING CRUISE AT 2,000 HOURS ON 4-2-98, AIRCRAFT MADE AN UNSCHEDULED LANDING AT IAD DUE TO LT OIL COOLER FLAP WOULD NOT CLOSE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED OIL COOLER Apr 2, 1998 · N306UE · Jetair JETSTM4101SDR HEEA0013818Oil Cooler · leakingOIL COOLER LEAKING.Apr 2, 1998 · N5014V · Bell 206L1SDR HEEA0013789Oil Cooler · leakingUNIT IS LEAKING.Apr 2, 1998 · N2298Z · Bell 412SDR WTAA980057Intake · bird strikeLAX - BIRD STRIKE TO RIGHT ENGINE OIL COOLER INTAKE REPORTED. MAINTENANCE INSPECTED AREA FOR DAMAGE. NO DAMAGE NOTED. AIRCRAFT RETURNED TO SERVICE. (M)Mar 31, 1998 · N402UE · Bag JETSTM3101SDR CA980330008Oil Cooler · leaking(CAN) IN CRUISE THE NR 2 ENGINE LOW OIL PRESSURE LIGHT CAME ON ACCOMPANIED BY FLUCTUATIONS IN OIL PRESSURE INDICATION. ENGINE POWER WAS REDUCED, BUT WHEN THE OIL PRESSURE DROPPED BELOW 40 PSI THE ENGINE WAS SHUTDOWN. POST FLIGHT INSPECTION FOUND THE NR 2 ENGINMar 25, 1998 · Dhav DHC8102SDR RAIA980304Oil Cooler · leakingFLT 7517 - GRR - LEFT ENGINE LOST OIL PRESSURE, CREW PEFORMED INFLIGHT SHUTDOWN. MAINTENANCE REPLACED LEFT OIL COOLER ASSEMBLY. (M)Mar 5, 1998 · N551HK · Jetair JETSTM4101SDR WTAA980039Oil Cooler · failedSBA - LEFT ENGINE LOST OIL PRESSURE ON TAKEOFF. TAKEOFF ABORTED. MAINTENANCE REPLACED LEFT ENGINE OIL COOLER AND SERVICED. PERFORMED ENGINE RUN. OPERATIONAL CHECK SATISFACTORY. AIRCRAFT RETURNED TO SERVICE. (X)Mar 1, 1998 · N455UE · Emb EMB120RTSDR CA980325050Oil Cooler · leaking(CAN) NR 1 ENGINE WAS SHUTDOWN IN FLIGHT DUE TO LOSS OF OIL PRESSURE. THE AIRCRAFT DIVERTED AND LANDED. POST FLIGHT INSPECTION FOUND THE NR 1 ENGINE OIL COOLER LEAKING. THE OIL COOLER WAS REPLACED AND CHECKED SERVICEABLE. THE AIRCRAFT RETURNED TO SERVICE.Feb 24, 1998 · Dhav DHC8102SDR VTZA98060Oil Cooler Flap · inoperativeFLT 6190 - IAD-BDL - DURING CRUISE, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO RT OIL COOLER FLAP INOP. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND CYCLED POWER TO RT OIL COOLER FLAP ACTUATOR AND NO FAULTS FOUND, OPS CHECK Feb 10, 1998 · N307UE · Jetair JETSTM4101SDR CA980407010Oil Cooler · leaking(CAN) ON ENGINE START-UP, NR 2 ENGINE LOST OIL PRESSURE. ENGINE WAS SHUTDOWN. THE OIL COOLER WAS FOUND LEAKING, POSSIBLY DUE TO INADEQUATE PRE-HEAT OF THE OIL COOLER CORE. OIL COOLER WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.Feb 9, 1998 · Braero HS7482ASDR QXEA9800061Oil Cooler · leakingFLIGHT WAS ORIGINALLY TO SUN VALLEY, BUT COULD NOT LAND DUE TO WEATHER. REROUTED TO TWIN FALLS. WHILE UNDERWAY, NR 1 OIL PRESSURE WENT TO 10 PSI, AS A PRECAUTIONARY THE NR 1 ENGINE WAS SHUT DOWN AND THE AIRCRAFT LANDED WITHOUT INCIDENT IN BOI. MAINTENANCE FFeb 6, 1998 · N820PH · Dhav DHC8102SDR HEEA0012823Cooler · leakingLUBE COOLER LEAKING.Feb 5, 1998 · N721MB · Bolkms BO105SSDR C2XA98IA013Oil Cooler · crackedBTR - FLT 3865 - PILOT REPORTED AFTER DEPARTURE, THE NR 2 OIL PRESSURE WARNING LIGHT ILLUMINATED, FOLLOWED BY A FLUCTUATING OIL PRESSURE GAUGE WHICH THEN DROPPED TO 0 PSI. THE CREW SHUT DOWN THE NR 2 ENGINE AND LANDED AT BTR WITHOUT INCIDENT. MAINTENANCE FOUFeb 4, 1998 · N16719 · Emb EMB120RTSDR 98ZZZX764Oil Cooler · crackedOIL COOLER INSPECTION FOUND A CRACK FORMED AT THE BASE OF THE FRONT INBOARD STIFFENER, IN WELD AREA. CRACK HAD PENETRATED THE WELD. SUSPECT CAUSE, BAD WELD.Feb 2, 1998 · N9157M · Mooney M20RSDR HEEA0012665Oil Cooler · leakingOIL COOLER LEAKING.Jan 26, 1998 · N967MB · Bolkms BO105SSDR VTZA98021Oil Cooler · failedFLT 6402 - BOS-IAD - DURING CRUISE, EXPERIENCED A DISCREPANCY WITH THE RT OIL PRESSURE INDICATION FLUCTUATION. AIRCRAFT DIVERTED TO BDL, DECLARED AN EMERGENCY AND LANDED WITH NO FURTHER PROBLEM. MAINTENANCE WAS DISPATCHED AND FOUND THAT THE RT ENGINE OIL COOJan 15, 1998 · N321UE · Jetair JETSTM4101SDR HEEA0012447Cooler · damagedOIL COOLER RECEIVED WITH CONCEALED DAMAGE.Jan 5, 1998SDR 98ZZZX456Oil Cooler · failedOIL COOLER FAILED CAUSING LOSS OF OIL PRESSURE NR 2 ENGINE. SHUT ENGINE DOWN. EMERGENCY CIRCUMSTANCES REQUIRED RESTART OF ENGINE CAUSING ENGINE TO FAIL.Dec 10, 1997 · N67588 · Doug DC3CSDR VTZA97688Actuator · failedFLT 6303 - IAD-DAY - DURING TAXI, AIRCRAFT RETURNED TO GATE DUE TO LEFT OIL COOLER FLAP STUCK OPEN. MAINTENANCE INSPECTED AND REMOVED AND REPLACED LEFT OIL COOLER FLAP ACTUATOR AND BUSHINGS, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVDec 5, 1997 · N316UE · Jetair JETSTM4101SDR HEEA0012251Oil Cooler · contaminatedOIL COOLER METAL CONTAMINATION.Dec 5, 1997 · N230UN · Bell 230SDR HEEA0012245Oil Cooler · leakingOIL COOLER LEAKING.Dec 5, 1997 · N3533T · Bolkms BO105SSDR HEEA0012078Oil Cooler · corrodedOIL COOLER HAS CORROSION IN FINS.Nov 19, 1997 · N2246Q · Bell 206L1
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