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 HEEA076288Oil Cooler · malfunctionedHIGH TEMPERATURE READINGS ABOUT 100 DEGREES IN RED LINE. ALSO C-BOX CAUTION LIGHT CAME ON. REPLACED WITH SERVICEABLE COOLER.Oct 1, 2001 · N1202T · Bell 412SDR HEEA076287Oil Cooler · leakingLEAKING FROM CENTER SECTION. REPLACED WITH SERVICEABLE COOLER.Oct 1, 2001 · N1202T · Bell 412SDR HEEA076286Oil Cooler · making metalMETAL IN OIL.Oct 1, 2001 · N1202T · Bell 412SDR CA011001006Oil Cooler · leaking(CAN) NR 2 ENGINE OIL COOLER WAS FOUND TO BE LEAKING FROM THE WELDED AREA AROUND THE DRAIN. RETURNED FOR WARRANTY REPAIR.Sep 21, 2001 · Dhav DHC8102SDR KBMA88817Oil Cooler · leakingENGINE OIL COOLER FANS SHOW TRACES OF FRESH OIL. INSTALLED SERVICEABLE UNIT.Sep 21, 2001 · N188TV · Bell 206BSDR KBMA88799Motor · inoperativeENGINE OIL COOLER, FAN, INOPERATIVE. REMOVED AND REPLACED WITH SERIVCEABLE UNIT.Sep 17, 2001 · N53SH · Snias AS350B1SDR BLI2002F00000Oil Cooler · leakingOIL LEAK DISCOVERED AFTER ARRIVAL, OIL COOLER, GROUNDED AIRCRAFT, CALLED MAINTENANCE. ANOTHER AIRCRAFT PICKED UP PAX. MAINTENANCE ARRANGED FOR MECHANIC TO TROUBLESHOOT AND REPAIR. LEAK CAUSED BY GASKET BETWEEN COOLER AND ENGINE CASE. GASKET REPLACED, ENGISep 16, 2001 · N208V · Cessna 421BSDR KBMA88800Motor · inoperativeOIL COOLER FAN INOPERATIVE, INSTALLED SERVICEABLE FAN MOTOR.Sep 16, 2001 · N115SH · Snias AS350B2SDR KBMA88795Fuse · inoperativeOIL COOLER FAN INOPERATIVE, INSTALLED SERVICEABLE CIRCUIT BREAKER.Sep 16, 2001 · N115SH · Snias AS350B2SDR KBM2001F00000Fuse · inoperativeOIL COOLER FAN INOPERATIVE. INSTALLED SERVICEABLE CIRCUIT BREAKER.Sep 16, 2001 · N115SH · Snias AS350B2SDR CA011001007Oil Cooler · leaking(CAN) THE FLIGHT CREW REPORTED EXCESSIVE OIL ON THE NR 2 LANDING GEAR LEG. MAINTENANCE REPLACED A LEAKING NR 2 ENGINE OIL COOLER. TIME SINCE REPAIR FOR A PREVIOUS LEAK 2843 HOURS.Sep 13, 2001 · Dhav DHC8102SDR CA020405017Plate · cracked(CAN) OIL COOLER MOUNTING PLATE CRACKED.Sep 12, 2001 · Robsin R22BETASDR PCAA0109108Oil Cooler · leakingLGA-MDT FLIGHT#3996. CREW REPORTED #2 ENGINE SHUT DOWN DUE TO LOW OIL PRESSURE. OIL PRESSURE INDICATING BETWEEN 0 AND 35 PSI DURING CLIMBOUT.#2 ENGINE OIL PRESSURE ANNUNCIATOR ILLUMINATED. EMERGENCY DECLARED, PLANE LANDED SAFELY WITHOUT INCIDENT. MAINTENANCE RSep 9, 2001 · N829EX · Dhav DHC8102SDR 2001F00282Oil Cooler · defectiveSJO - FLT LR-610 - DURING CLIMB OF THE FLIGHT LR610, THE CAPTAIN REPORTED NR 1 ENGINE, HIGH OIL TEMP CSD, AND NR 2 ENGINE, HIGH OIL TEMP CSD, THE AIRCRAFT RETURN TO SJO STATION FOR MAINTENANCE. AFTER LANDING, TECHNICIANS PERFORMED THE FAULT ANALYSIS, THE CSD Sep 8, 2001 · N261LR · Boeing 737232SDR 2001F00280Oil Cooler · defectiveSJO - FLT LR-610 - DURING CLIMB OF THE FLIGHT LR610, THE CAPTAIN REPORTED NR 1 ENGINE, HIGH OIL TEMP CSD, AND NR 2 ENGINE, HIGH OIL TEMP CSD, THE AIRCRAFT RETURN TO SJO STATION FOR MAINTENANCE. AFTER LANDING, TECHNICIANS PERFORMED THE FAULT ANALYSIS, THE CSD Sep 8, 2001 · N261LR · Boeing 737232SDR NACA20010031Actuator · stuckNR 2 ENGINE PRECAUTIONARY SHUT DOWN IN CRUISE DUE TO HIGH OIL TEMP (105 DEGREES), LOW OIL PRESS (55 PSI), UNABLE TO CONTROL RPM (STUCK AT 2400), OIL COOLER CONTROL HAS NO EFFECT. REPLACED NR 2 OIL COOLER ACTUATOR, PERFORMED GROUND MAINT RUN, OIL PRESS AND OILAug 31, 2001 · N2907F · Doug DC6SDR 2001FA0000341Plate · wrong partENGINE HAD LOST OIL PRESSURE DURING FLIGHT. AFTER A SAFE LANDING IT WAS DETERMINED THAT THE OIL HAD LEAKED OUT FROM THE BETWEEN THE OIL COOLER PLATE AND THE ENGINE. THE OIL COOLER PLATE ATTACHMENT NUTS WERE FOUND TO BE LOOSE. THE GASKET BETWEEN THE PLATE ANAug 22, 2001 · N2209F · Cessna 310LSDR R7MA33716Tube · leakingLEAKING BEYOND SERVICEABLE LIMITS. TUBE IS NO BENT BUT IS LEAKING FROM THE SWEDGE AND BRAZING AT (T) END. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Aug 17, 2001 · N901CF · Doug MD900SDR LS1R074942Oil Cooler · making metalPART MAKING METAL.Aug 17, 2001 · N8530F · Bell 212SDR CA011102005Hub · cracked(CAN) PART C186-1 FOUND CRACKED WHILE REPLACING MICROSWITCH V3-1001. THE FAN WAS REMOVED AND THE HUB WAS FOUND CRACKED. THE FAN SHAFT ASSEMBLY C007-5 WAS CORRODED. THE FAN TORQUE WAS FOUND ACCEPTABLE (450-550 FT LBS).\PIECE C186-1 WAS REPLACED AND THE FAN SHAFAug 15, 2001 · Robsin R44SDR CA011004002Bypass Valve · failed(CAN) ON CLIMB OUT TO FL250 CREW NOTICED AT FL230 OIL TEMPERATURE IN THE RED, CONTINUED TO CLIMB TO FL250, AND TEMPERATURE STABILIZED AT 110. CREW POWER BACK AND LOWER TEMP, LOWERED TO 107, CREW DIVERTED TO BACK TO BASE. NO EMERGENCY WAS DECLARED. CREW REPAug 6, 2001 · Dhav DHC8*SDR QXEA0101303Valve · failedGEG - DIVERTED TO GEG ON FLIGHT FROM SEA TO BTM FOR NR 1 ENGINE OIL TEMPERATURE HIGH. REPLACED OIL COOLER BYPASS VALVE. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.Aug 6, 2001 · N401QX · Dhav DHC8*SDR MALA010609Oil Cooler · damagedDURING ENGINE SHUTDOWN ON AC 508, WITH APU OPERATING, PAX , F/A'S REPORTED SMOKE IN CABIN. SHUTDOWN ENGINE. MAINTENANCE REMOVED AND REPLACED DAMAGED OIL COOLER INTAKE DUCT P/N OFF 4501709, P/N ON 4504473 REF NR 409 116560. FOUND APU OIL OVER-SERVICED BY 1 QAug 2, 2001 · N508XJ · Bac AVRO146RJ85ASDR CA010809008Bracket · broken(CAN) UPON REMOVING THE SCROLL TO CORRECT A CLUTCH ACTUATOR SWITCH THAT WAS NOT FUNCTIONING, THE BROKEN A185-5 BRACKET WAS DISCOVERED. SUSPECT FAN IMBALANCE TO BE THE CAUSE OF THIS DEFECT.Jul 24, 2001 · Robsin R44SDR KBMA88667Motor · seizedMOTOR SEIZED. REMOVED AND REPLACED WITH SERVICEABLE UNIT.Jul 8, 2001 · N37SH · Snias AS350BASDR HEEA073754Duct · crackedOIL COOLER TRANSITION DUCT IS CRACKED. TO BE RETURNED TO VENDOR.Jun 20, 2001 · N719PH · Bell 407SDR HEEA073786Oil Cooler · corrodedOIL COOLER CORRODED. REPLACED WITH SERVICEABLE ENG OIL COOLER.Jun 19, 2001 · N40466 · Snias AS350B2SDR HEEA073652Bearing · damagedBEARING RACE SPINNING. IN SHOP REPAIR.Jun 19, 2001 · N2298Z · Bell 412SDR HEEA073651Tube · wornWORN AT LOCATION WHERE EXCLUDER SEAL RIDES. IN SHOP REPAIR.Jun 19, 2001 · N6559Z · Bell 412SDR GXPA0113Oil Cooler · failedAIRCRAFT RETURNED BACK TO AIRPORT DUE TO LEFT ENGINE OIL TEMP REDLINE AFTER TAKE OFF. CORRECTIVE ACTION: REMOVED AND REPLACED LEFT ENGINE OIL COOLER, ON GROUND RUN OIL TEMP IS WITHIN LIMITS. OPS AND LEAK CHECK GOOD.Jun 18, 2001 · N164GA · Swrngn SA226TCSDR HEEA073357Duct · crackedOIL COOLER DUCT CRACKED.Jun 8, 2001 · N510PH · Bell 407SDR CA010621034Regulator · stuck(CAN) #2 ENGINE SHUT DOWN IN FLIGHT DUE TO HIGH OIL TEMPERATURE AND DECREASING OIL PRESSURE. MAIN OIL SCREEN INSPECTED AND NO CONTAMINATS WERE PRESENT. THE OIL COOLER REGULATOR WAS STUCK IN THE CLOSED POISITION. THE OIL COOLER REGULATOR WAS REPLACED, AIRCRAFT Jun 6, 2001 · Cndair CL2151A10SDR ARWA0010601Oil Cooler · failedNR 4 ENGINE OIL TEMP ROSE TO 145 DEGREES, COMPLETED IN FLIGHT SHUT DOWN CHECKLIST, ENGINE WAS SHUT DOWN AT 22:45ZULU, WINDMILLING OIL PRESS 20 PSI. AIRCRAFT LANDED WITHOUT INCIDENTS. REMOVED AND REPLACED NR 4 OIL TEMP. INDICATOR FOR T/S. REMOVED AND REPLACEJun 1, 2001 · N8968U · Doug DC862SDR CA010621031Oil Cooler · leaking(CAN) MAINTENANCE INVESTIGATION OF AN OIL LEAK ON # 2 ENGINE RESULTED IN THE REPLACEMENT OF THE ENGINE OIL COOLER HAD ACCUMLATED 169 HOURS AND 2454 CYCLES SINCE RECORDING BY HONEYWELL LORI HEAT TRANSFER. 13320May 26, 2001 · Dhav DHC8102SDR CA010621026Pulley · failed(CAN) OIL COOLER PULLEY IS MADE UP OF A SPLINE BELT PULLEY WITH A METAL RING THAT IS "STAKED" ONTO THE PULLEY. THE RING WAS FOUND AROUND THE ENGINE OUTPUT DRIVE SHAFT AFTER GROUND RUNNING THE A/C. A NEW PART WAS USED TO COMPARE THE STAKING MARKS ON THE OLD PULMay 24, 2001 · Hughes 369HSSDR CDH2001F00000Oil Cooler · crackedOVERHAULED OIL COOLER CRACKED AT LOWER MOUNTING FLANGE. REPLACEMENT OVERHAULED OIL FAILED (ONE OF THE CENTER TUBES BURST) INFLIGHT AFTER 1.5 HOURS. ENGINE LOST 4 QUARTS IN 10 MINUTES.May 14, 2001 · N151GS · Cessna 340ASDR CA010622016Oil Cooler · leaking(CAN) INVESTIGATION OF AN OIL LEAK ON THE # 2 ENGINE RESULTED IN THE REPLACEMENT OF THE ENGINE OIL COOLER. THE OIL COOLER HAD BEEN IN SERVICE 115 DAYS SINCE REPAIR FOR LEAKING .May 12, 2001 · Dhav DHC8102SDR HEEA073067Duct · crackedOIL COOLER DUCT CRACKED.May 9, 2001 · N406PH · Bell 407SDR HEEA073030Cooler · overheatedOIL COOLER OVERHEATING.May 7, 2001 · N409PH · Bell 407SDR HEEA073024Cooler · leakingCOOLER LEAKING.May 7, 2001 · N510PH · Bell 407SDR DL72S010690Oil Cooler · failedIN FLIGHT NR 2 ENG OIL TEMP CLIMBED INTO THE YELLOW ARC. POM PROCEDURES ACCOMPLISHED. FUEL HEAT WAS CYCLED AND INDICTED A DROP IN EPR. REPLACED NBR 2 ENG FUEL OIL COOLER AND OIL TEMP BULB. RAN ENG PER PFHB. ALL CKS NORMAL.Apr 30, 2001 · N539DA · Boeing 727232SDR HEEA072484Oil Cooler · leakingLEAKING FROM CENTER CORE AREA.Apr 11, 2001 · N1202T · Bell 412SDR HEEA072353Oil Cooler · damagedOIL COOLER CAUSING HIGH OIL TEMP.Apr 11, 2001 · N1546G · Skrsky S76ASDR CA010509010Oil Cooler · cracked(CAN) MAINTENANCE NOTICED OIL LEAKING FROM THE RT OIL COOLER AREA. THE RIGHT OIL COOLER WAS REPLACED AND ALL CHECKS COMPLETED.Apr 10, 2001 · Dhav DHC8102SDR LS1R071905Cooler · contaminatedPART HAS TRANSMISSION CHIPS.Apr 4, 2001 · N206BY · Bell 206B3SDR 20010423CW002Oil Cooler · failedSHORTLY AFTER DEPARTURE, STARTED TO LOOSE OIL PRESSURE ON RIGHT ENGINE. SHUT DOWN ENGINE AND RETURNED TO AIRPORT. SUSPECT HIGH PRESSURE, COLD OIL MAY HAVE CAUSED FAILURE OF THE COOLER.Mar 29, 2001 · N932H · Doug DC3CSDR 20010410AP019Hose · crackedDURING CRUSE FLIGHT THE LT ENGINE LOW OIL PRESSURE WARNING SOUNDED ALERTING THE PILOT TO DROPPING OIL PRESURE. PILOT PERFORMED A PRECAUTIONARY ENGINE SHUTDOWN AND MADE A UNEVENTFUL LANDING. TECHNICICAN INSTALLED A NEW REPLACEMENT INLET OIL COOLER HOSE AND RETUMar 15, 2001 · N410CA · Piper PA31T2SDR HNAA0100019Oil Cooler · leakingNR 2 ENGINE LOST OIL PRESSURE. SHUT DOWN ENGINE IN FLIGHT AND RETURNED TO PHL. REMOVED AND REPLACED NR 2 OIL COOLER.Mar 15, 2001 · N934HA · Dhav DHC8102SDR AU010216Plug · contaminated(AUS) LT ENGINE OIL COOLER DOOR ACTUATOR PLUG CONTAMINATED.Mar 12, 2001 · N7921 · Bag JETSTM3201SDR 20010425CW015Oil Cooler · crackedFLIGHT CREW PERFORMED IN-FLIGHT SHUTDOWN OF THE NR 2 ENGINE ONE HALF HOUR PRIOR TO REACHING THE DESTINATION AIRPORT, DUE TO LOW ENGINE OIL PRESSURE INDICATION. UNEVENTFUL LANDING. A SUSPECTED OIL LEAK WAS REPAIRED AND THE AIRCRAFT DEPARTED AND AGAIN THE NR 2Feb 22, 2001 · N5632C · Beech 1900C
Back to JASC 7921