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 FIP2004F00000Flange · crackedTOP MOUNT EAR AND IB BAFFLE FLANGE CRACKED UNDER NORMAL OPERATING CONDITIONS.Apr 16, 2004 · N2145U · Cessna T210NSDR KBM2004F00087Motor · inoperativeOIL COOLER MOTOR INOPERATIVE. REMOVED AND REPLACED.Apr 7, 2004 · N884SH · Snias AS350B2SDR 2005FA0000324Oil Cooler · blockedON CLIMBOUT, NR 2 ENG OIL TEMP WENT UP TO RED LINE, OIL PRESSURE DROPPED. LOW OIL PRESSURE LIGHT HAD NOT COME ON. CREW MADE PRECAUTIONARY SHUTDOWN ON NR 2 ENG, LANDED BACK AT BASE WITH NO FURTHER INCIDENT. OIL WAS FOUND IN TAILPIPE OF NR 2 ENG, NO OIL FOUNDApr 6, 2004 · N459AM · Swrngn SA227ACSDR KBM2004F00077Motor · shortedOIL COOLER MOTOR HAS AN INTERNAL SHORT. REMOVED AND REPLACED.Apr 6, 2004 · N53SH · Snias AS350B1SDR KBM2004F00040Motor · overheatedOIL TEMP HIGH WHEN SITTING ON THE GROUND (100 DEGREE (C)). REMOVED AND REPLACED WITH SERVICEABLE UNIT.Mar 26, 2004 · N230SH · Snias AS350BASDR WVB2004F00000Oil Cooler · rupturedON 24 MAR 04, AC DEPARTED, AT APPROX 50 MILES FROM DEPARTURE, PILOT NOTICED A LOSS OF MANIFOLD PRESSURE AND A LOSS OF OIL PRESSURE ON THE LT ENGINE, FEATHERED THE LT PROPELLER, SHUT DOWN THE LT ENGINE AND RETURNED TO DEPARTURE. A MAINTENANCE INSPECTION REVEALMar 25, 2004 · N59764 · Piper PA31350SDR 2004UALA00232Oil Cooler · leakingNR 1 ENGINE OIL QUANTITY DROPPED TO ZERO AND OIL PRESSURE LIGHT FLICKERING. SUPPLEMENTAL DATA UPDATE AIRCRAFT INDICATED OIL CONSUMPTION FOR SEVERAL DAYS BEFORE THE EVENT. THE SHOP FOUND FUEL/OIL COOLER THE SOURCE OF OIL CONSUMPTION (OIL ENTERED FUEL). THE Mar 11, 2004 · N541UA · Boeing 757222SDR AUS20040155Oil Cooler · leaking(AUS) ENGINE/TRANSMISSION OIL COOLER INTERNAL LEAK. THE LEAK ALLOWED TRANSMISSION OIL TO ENTER THE COMBINING GEARBOX OIL SYSTEM UNDERPRESSURE AND OVERFILL THE COMBINING GEARBOX WHICH THEN VENTED THROUGH THE BREATHER.Mar 3, 2004 · Bell 412SDR HEEA093673Oil Cooler · crackedIN CRUISE FLIGHT, THE NR 2 ENGINE OIL TEMPERATURE ROSE TO THE RED LINE. SECURED ENGINE AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE AFT JUNCTION OF THE OIL COOLER BLOWER DUCT CRACKED AND SPLIT OPEN.Feb 8, 2004 · N22342 · Skrsky S76ASDR CA040211006Oil Cooler · cracked(CAN) AIRCRAFT RETURNED FROM FLIGHT WITH AN EXCESSIVE OIL LEAK ON THE LT ENGINE COWLS. INVESTIGATION DISCOVERED A CRACK IN THE OIL COOLER VERNATHERM INLET/OUTLET HOUSING. THE OIL COOLER WAS REPLACED WITH AZERO TIME UNIT AND CHECKED SERVICEABLE.THE OIL COOLER HFeb 5, 2004 · Dhav DHC6300SDR 2004FA0000198Oil Cooler · crackedLOWER OB FLANGE OF ENGINE OIL COOLER IS CRACKED AND LEAKING.Feb 4, 2004 · N732HN · Cessna T210LSDR FPI2004F00000Oil Cooler · crackedBOTTOM COOLER TO ENGINE MOUNT EAR CRACKED. OCCURRED UNDER NORMAL OPERATION.Jan 28, 2004 · N2145U · Cessna T210NSDR KBM2004F00018Blower · inoperativeOIL COOLER MOTOR INOPERATIVE. REMOVED AND REPLACED WITH SERVICEABLE.Jan 22, 2004 · N884SH · Snias AS350B2SDR X6PA200040001Oil Cooler · brokenTHE PILOT CONDUCTED A NORMAL PREFLIGHT. APPROXIMATELY 35 MINUTES AFTER TAKE OFF, THE PILOT NOTICED AN OIL PRESSURE DROP, AND DECLARED AN EMERGENCY. THE PILOT LANDED SAFELY. THE AIRCRAFT'S BELLY WAS FOUND COVERED IN OIL. FURTHER INSPECTION SHOWED THE OIL LEAK Jan 17, 2004 · N4498F · Piper PA32R300SDR 2004FA0000058Oil Cooler · loose8/22/2002, OIL COOLER TCM 639171. TACH TIME NOT LOGGED. APPROX 830 SMOH. 12/1/2003 A MAJOR OIL LEAK DEVELOPED AROUND THE OIL COOLER AND THE NR 5 CYL PUSH ROD TUBES. ISOLATED LEAK TO OIL COOLER GASKETS. 1036 SMOH. DURING REMOVAL OF OIL COOLER BASE PLATE, ITJan 10, 2004 · N4810N · Cessna 182QSDR CA040107008Oil Cooler · cracked(CAN) OIL COOLER FOUND CRACKED ON OB FORWARD LOWER CORNER FLANGE WHERE THE BAFFLE IS ATTACHED. CRACK IS ABOUT 1 INCH LONG. THIS IS THE THIRD COOLER FOUND CRACKED ON THE TYPE OF INSTALLATION.Jan 7, 2004 · Cirrus SR22SDR Y1R2004F00000Oil Cooler · crackedCRACK DEVELOPED ON RT SEAM OP OIL COOLER, UNIT WAS REPAIRED AND ACCUMULATED 31.5 HOURS TSR. CRACKED AGAIN IN WELD AREA OF RT SEAM OF CSD OIL COOLER. (WP01200405240)Dec 12, 2003 · N289MT · Boeing 727223SDR FPI2003F00015Mount · crackedTOP FORWARD MOUNT FLANGE CRACKED UNDER NORMAL OPERATION. TOP AT BOTTOM FLANGES ARE NOT TRUE.Dec 9, 2003 · N732HN · Cessna T210LSDR AUS20031242Oil Cooler · split(AUS) ENGINE OIL COOLER SPLIT ALONG WELD LOCATED AT THE OPPOSITE END TO THE FITTINGS. COMPLETE LOSS OF ENGINE OIL.Dec 7, 2003 · Ayres S2RT34NORMALSDR 2003FA0001243Oil Cooler · crackedDURING PREFLIGHT OF AIRCRAFT PILOT REPORTED OIL LEAKING FROM ENGINE. MAINTENANCE TECHNICIAN FOUND OIL LEAK ON OIL COOLER. PERFORMED PRESSURE CHECK ON OIL COOLER AND FOUND TOP FLANGE CRACKED. THIS IS A WEAK AREA ON THE OIL COOLER. RECOMMEND FINDING A REPLACDec 3, 2003 · N4122F · Piper PA28181SDR FPI2003F00014Oil Cooler · crackedBOTTOM COOLER TO ENGINE MOUNT EAR CRACKED. OCCURRED UNDER NORMAL OPERATION.Nov 7, 2003 · N732HN · Cessna T210LSDR FPI2003F00013Oil Cooler · crackedBOTTOM COOLER TO ENGINE MOUNT EAR CRACKED. OCCURRED UNDER NORMAL OPERATION.Nov 7, 2003 · N2145U · Cessna T210NSDR FPI2003F00012Oil Cooler · crackedTOP AND BOTTOM COOLER TO TO ENGINE MOUNTING EARS CRACKED. OCCURRED UNDER NORMAL OPERATION.Nov 7, 2003 · N4673C · Cessna T210NSDR FPI2003F00011Oil Cooler · crackedOIL COOLER CRACKED AT UPPER FOREMOUNTING FLANGE.Nov 7, 2003 · N4702C · Cessna T210NSDR 2003FA0001196Oil Cooler · crackedDURING A MAINTENANCE INSPECTION OF THIS AIRCRAFT, THE OIL COOLER WAS FOUND TO BE CRACKED. PROBABLE CAUSE IS VIBRATION. RECOMMEND MANUFACTURER LOOK AT PROVIDING A SOLID PIECE OIL COOLER AS REPLACEMENT.Oct 28, 2003 · N4133D · Piper PA28181SDR CA031120008Duct · separated(CAN) DURING NORMAL DAILY TREND CHECK, PILOT NOTICED GRADUAL INCREASE IN ENG OIL TEMP ON NR 2 AND REPORTED TO THE ENGINEER. INSPECTION CARRIED OUT ON THE NR 2 OIL COOLER DUCT INSTALLATION IN WHICH THE FLEXIBLE DUCT LOCATED BELOW THE BLOWER ON THE INSIDE OF THOct 25, 2003 · Skrsky S76ASDR B1E2003F00001Shaft · shearedDURING A LAW ENFORCEMENT FLIGHT, PART 91 THE NR 1 ENGINE OIL COOLER SHAFT SHEARED CAUSING ENGINE OIL TEMPERATURE TO INCREASE TO ABOUT 120 C WHILE ALL OTHER ENGINE PARAMETERS REMAINED NORMAL. AIRSPEED WAS INCREASED AS RECOMMENDED IAW MFG MM TO SLIGHTLY ABOVE 8Oct 13, 2003 · N158BC · Urocop EC135P1SDR 2003FA0001102Oil Cooler · crackedDURING PREFLIGHT PILOT FOUND AN OIL LEAK IN ENGINE COMPARTMENT OF AIRCRAFT. MAINTENANCE TECHNICIAN FOUND OIL COOLER CRACKED ON THE BOTTOM FLANGE AND LEAKING OIL. THIS IS A WEAK AREA ON THE OIL COOLER. RECOMMEND FINDING A REPLACEMENT THAT IS MORE DURABLE. (KOct 8, 2003 · N4166H · Piper PA28181SDR 2003FA0001037Oil Cooler · crackedDURING WALK AROUND OF AIRCRAFT. MAINTENANCE TECHNICIAN FOUND OIL LEAK ON OIL COOLER. PERFORMED PRESSURE CHECK ON OIL COOLER AND FOUND BOTTOM FLANGE CRACKED. THIS IS A WEAK AREA ON THE OIL COOLER. RECOMMEND FINDING A REPLACEMENT THAT IS MORE DURABLE.Sep 29, 2003 · N4133D · Piper PA28181SDR 2003UALA00708Oil Cooler · failedDIVERTED TO SYR DUE TO NR 1 ENGINE OIL PRESSURE INDICATION. REPLACED OIL COOLER. SHOP TEST CONFIRMED OIL COOLER MATRIX LEAKING INTERNALLY, ALLOWING FUEL TO CONTAMINATE THE ENGINE OIL SYSTEM.Sep 21, 2003 · N615UA · Boeing 767222SDR 2003FA0000953Oil Cooler · crackedDURING PREFLIGHT INSPECTION PILOT FOUND SIGNS OF AN OIL LEAK. THE MAINTENANCE TECHNICIAN FOUND OIL LEAK ON OIL COOLER. PERFORMED PRESSURE CHECK ON OIL COOLER AND FOUND BOTTOM FLANGE CRACKED. THIS IS A WEAK ARA ON THE OIL COOLER. RECOMMEND FINDING A REPLACESep 10, 2003 · N4142Q · Piper PA28181SDR 2003FA0000955Oil Cooler · crackedDURING A MAINTENANCE INSPECTION OF THIS AIRCRAFT, THE OIL COOLER WAS FOUND TO BE CRACKED AROUND THE MOUNTING BOLT HOLES AND LEAKING FROM THE SEAM IN THAT AREA. PROBABLE CAUSE IS VIBRATION. RECOMMEND USING A SOLID PIECE OIL COOLER.Sep 9, 2003 · N4142Q · Piper PA28181SDR 2003FA0000960Oil Cooler · crackedWE HAVE FOUND 3 OIL COOLERS IN THE PAST YEAR ON THESE AC WITH IDENTICAL CRACKS ON THE DIAGONAL SUPPORT BARS AT THE INBOARD WELD. THIS LEADS TO SEPARATION OF ONE END OF THE BAR. CAUSE OF THE CRACKS ARE NOT OBVIOUS. WE ARE ALSO AWARE OF 2 OTHER AC THAT HAVE ESep 5, 2003 · Beech B60SDR 2003FA0001053Oil Cooler · crackedDURING 50 HOUR INSPECTION PHASE MAINTENANCE TECHNICIAN FOUND OIL LEAK ON OIL COOLER. PERFORMED PRESSURE CHECK ON OIL COOLER AND FOUND BOTTOM FLANGE CRACKED. THIS IS WEAK AREA ON THE OIL COOLER. RECOMMEND FINDING REPLACEMENT THAT IS MORE DURABLE.Sep 2, 2003 · N4166H · Piper PA28181SDR ALG2003F00075Oil Cooler · malfunctionedSHORTLY AFTER TAKE OFF, DURING CLIMB OUT NR 2 ENGINE OIL TEMP EXCEDED REDLINE. AIRCRAFT RETURNED TO CREOLE, TEMPERATURE REACHED 115 DEGREES FOR 10 MINUTES, THE MECHANIC CHECKED CHIP PLUGS AND REPLACED THE ENGINE OIL, THERMOSTAT AND OIL COOLER AND HE CHECKED TJul 29, 2003 · N709AL · Skrsky S76ASDR KBM2003F00006Motor · noisyLOUD NOISE, SQUEAKING IN FLIGHT. REMOVED AND REPLACED OIL COOLER MOTOR.Jul 24, 2003 · N230SH · Snias AS350BASDR CA030725005Seal · torn(CAN) SHORTLY AFTER INSTALLATION OF A REPAIRED ENGINE (40.5 HRS TSR), OIL COOLER BLOWER SEAL FAILED CAUSING SUBSTANTIAL LEAK FROM ACCESSORY GEARBOX. UPON REMOVAL OF SEAL, AME DISCOVERED A TORN SEAL LIP. IT WAS ALSO DETERMINED THAT INSTEAD OF ONE SPRING, (OR NJul 21, 2003 · Skrsky S76ASDR 2003FA0000815Bearing · failedTHIS WAS THE REAR OIL COOLER FAN SHAFT BEARING. THIS IS PART OF THE TAIL ROTOR DRIVE SYSTEM FOR THIS AIRCRAFT. THE BEARING SUFFERED A COMPLETE FAILURE. BEARING BALLS WERE FOUND ON THE AIRCRAFT OIL COOLER DECK AREA ALONG WITH PIECES OF BEARING CAGE. ONE BALJul 17, 2003 · N702WP · Bell 407SDR HEEA088511Oil Cooler · mismanufacturedOIL COOLER WOULD NOT FIT PROPERLY; COULD NOT INSTALL COWLING.Jul 17, 2003 · N800Y · Bell 412SDR 2003FA0000766Oil Cooler · crackedFOUND OIL LEAK DURING 50 HOUR INSPECTION. FOUND COOLER TO BE CRACKED. RECOMMEND CHANGING TO A SOLID CAN COOLER.Jul 15, 2003 · N4142Q · Piper PA28181SDR HEEA088493Tube · chafedOIL COOLER TUBE CHAFED. SCRAPPED.Jul 11, 2003 · N2014K · Bell 412SDR HEEA088512Oil Cooler · leakingOIL COOLER LEAKING FROM THE CORE.Jul 8, 2003 · N6603X · Bell 206L3SDR HEEA088065Oil Cooler · malfunctionedENGINE TEMPS WERE RUNNING NEAR THE UPPER RED LINE. REPLACED OIL COOLER.Jul 3, 2003 · N3116L · Bell 206L3SDR HEEA087512Oil Cooler · malfunctionedOIL COOLER PRODUCING HIGH OIL TEMP. SHOP REPAIR.Jun 12, 2003 · N141BH · Bell 206L3SDR QXEA200300682Deflector · chafedPDX - NR 1 OIL COOLER AIR DEFLECTION FOIL HAS CHAFE ON RIGHT HAND SIDE FROM LOWER COWL ANGLE. REPAIRED IAW Q400 PART 6, 51-00-02.Jun 8, 2003 · N414QX · Bombdr DHC8401SDR 2003FA0000745Oil Cooler · crackedDURING A MAINTENANCE INSPECTION OF THIS AIRCRAFT, THE OIL COOLER WAS FOUND TO BE CRACKED AROUND THE MOUNTING BOLT HOLES AND LEAKING FROM THE SEAM IN THAT AREA. PROBABLE CAUSE IS VIBRATION. RECOMMEND USING A SOLID PIECE OIL COOLER.Jun 5, 2003 · N4130W · Piper PA28181SDR 2003FA0000729Oil Cooler · crackedFOUND OIL LEAK DURING PREFLIGHT BY STUDENT PILOT. PRESSURE CHECKED OIL COOLER AND FOUND OIL LEAK AT TOP SEAM. THIS IS A WEAK AREA ON THE COOLER. MAY BE CAUSED BY VIBRATION OR IMPROPER INSTALLATION METHODS. REPLACEMENT WITH BETTER COOLER.Jun 4, 2003 · N4142Q · Piper PA28181SDR 2003FA0000728Oil Cooler · crackedFOUND OIL LEAK DURING PREFLIGHT BY STUDENT PILOT. PRESSURE CHECKED OIL COOLER AND FOUND OIL LEAK AT TOP SEAM. THIS IS A WEAK AREA ON THE COOLER. MAY BE CAUSED BY VIBRATION OR IMPROPER INSTALLATION METHODS.Jun 4, 2003 · N4144P · Piper PA28181SDR HEEA086938Oil Cooler · damagedFOUND COOLING FINS BENT. SENT TO MFG FOR INSPECTION AND REPAIR.Jun 3, 2003 · N6559Z · Bell 412SDR HEEA086937Oil Cooler · leakingOIL COOLER LEAKING. SENT TO MFG. FOR WARRANTY REPAIR.Jun 3, 2003 · N6559Z · Bell 412
Back to JASC 7921