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 2003FA0000747Oil Cooler · crackedWHILE PERFORMING MAINTENANCE ON AIRCAFT, MECHANIC DISCOVERED OIL LEAK COMING FROM THE AREA OF THE OIL COOLER. PERFORMING PRESSURE CHECK ON OIL COOLER AND FOUND OIL COOLER LEAKING AT SEAM ON TOP. THIS IS A WEAK AREA ON THE OIL COOLER, COULD BE CAUSED BY VIBRAMay 30, 2003 · N4161Z · Piper PA28181SDR 2003FA0000568Oil Cooler · crackedOIL COOLER CRACKED AT OUTBOARD FLANGE, AT BAFFLING MOUNT. THIS IS THE TENTH OIL COOLER ON A/C THAT OUR REPAIR STATION HAS SEEN WITH A CRACKED OIL COOLER IN THE EXACT SAME LOCATION. MFG HAS AN OPTIONAL SB22-71-03 BAFFLE MODIFICATION THAT SUGGESTS THAT THE BAFMay 27, 2003 · N3YH · Cirrus SR22SDR CA030603008Oil Cooler · leaking(CAN) NOTED A SMALL BIT OF OIL ACCUMULATING ON UNDER SIDE OF COOLER. NO EVIDENCE OF IAT RUNNING FROM ANYWHERE ELSE.May 24, 2003 · Robsin R22BETASDR 2003FA0000740Oil Cooler · crackedFOUND OIL LEAK ON PREEFLIGHT INSPECTION BY STUDENT PILOT. PRESSURE CHECKED OIL COOLER AND FOUND OIL COOLER LEAKING AT SEM ON TOP. THIS IS A WEAK AREA ON THE OIL COOLER, COULD BE CAUSED BY VIBRATION AND NOT USING A BACK UP WRENCH WHEN INSTALLING OIL COOLER HOMay 23, 2003 · N4130W · Piper PA28181SDR HEEA086735Oil Cooler · malfunctionedOIL COOLER MALFUNCTIONED, BOTH ENGINE OIL TEMPS RUNNING TOO HIGH. TO BE SENT TO VENDOR.May 22, 2003 · N205UC · Bolkms BO105CB*SDR HEEA086686Pressure Switch · malfunctionedNR 2 ENGINE BLOWER LIGHT CAME ON AFTER ENGINE START. REPLACED.May 22, 2003 · N59806 · Bell 214STSDR HEEA086602Oil Cooler · vibratesHIGH VIBRATION. REPAIRED.May 21, 2003 · N142PH · Bell 412SDR HEEA086601Bearing · looseBEARING SPINS IN HOUSING; MAKING MUD. REPLACED BEARING 9104-NPP DUE TO WORN; BEARING W202PP DUE TO WORN. REPAIRED.May 21, 2003 · N6559Z · Bell 412SDR 2003FA0000574Oil Cooler · crackedFOUND OIL LEAK ON PREFLIGHT INSPECTION BY STUDENT PILOT. PRESSURE CHECKED OIL COOLER LEAKING AT SEAM ON TOP. THIS IS A WEAK AREA ON THE OIL COOLER, COULD BE CAUSED BY VIBRATION AND NOT USING A BACK UP WRENCH WHEN INSTALLING OIL COOLER HOSES. RECOMMEND FINDIMay 15, 2003 · N4144P · Piper PA28181SDR 2003FA0000489Oil Cooler · crackedAFTER LANDING FLIGHT CREW NOTICED OIL ON SIDE OF AIRCRAFT. MAINTENANCE INVESTIGATED AND FOUND OIL COOLER CRACKED AND LEAKING. CAUSE OF LEAK IS FAILURE OF OIL COOLER AT SEAMS. RECOMMEND TO USE SOLID PIECE OIL COOLER.May 1, 2003 · N4133D · Piper PA28181SDR CA030428010Oil Cooler · leaking(CAN) DURING SCHEDULED MAINTENANCE, NR 1 ENGINE OIL COOLER WAS FOUND LEAKING. OIL COOLER REPLACED.Apr 28, 2003 · Dhav DHC8102SDR CA030428009Oil Cooler · leaking(CAN) NR 1 ENGINE LEAKING OIL FROM AREA OF OIL COOLER. OIL PRESENT ON NACELLE ALL THE WAY TO THE BACK OF THE NACELLE, AND ON GEAR LEG. NO OIL WAS PRESENT DURING WALKAROUND IN BWI. NR 1 ENGINE OIL COOLER REPLACED.Apr 28, 2003 · Dhav DHC8102SDR 2003FA0000437Oil Cooler · crackedFOUND OIL LEAK ON PRE-FLIGHT INSPECTION BY STUDENT PILOT PRESSURE CHECKED OIL COOLER AND FOUND OIL COOLER LEAKING AT SEAM ON TOP. THIS IS A WEAK AREA ON THE OIL COOLER, COULD BE CAUSED BY VIBRATION AND NOT USING A BACK UP WRENCH WHEN INSTALLING OIL COOLER HOSApr 25, 2003 · N4133D · Piper PA28181SDR NACA20030081Actuator · inoperativeNR 3 ENGINE SHUT DOWN DUE TO OIL COOLER DOOR NOT OPERATING. REPLACED OIL COOLER DOOR ACTUATOR.Apr 15, 2003 · N779TA · Doug DC6ASDR CA030409009Oil Cooler · leaking(CAN) AIRCRAFT LOST OIL PRESSURE ON NR 2 ENGINE. ENGINE SHUTDOWN AND SECURED IAW QRH AND FLIGHT DIVERTED TO YXT. OIL COOLER FOUND TO BE CRACKED WITHIN THE COOLING CORE. THIS WAS AN OVERHAUL UNIT FROM THE MANUFACTURE TO POST SB CONFIGURATION.Apr 9, 2003 · Dhav DHC8102SDR AUS20030397Bracket · cracked(AUS) OIL COOLER BRACKET ASSEMBLY CRACKED IN SEVERAL LOCATIONS.Apr 3, 2003 · Robsin R22BETASDR ALGA085897Impeller · crackedIMPELLER FOUND CRACKED DURING NDI. CRACK WAS 1/4 INCH LONG EMINATING FROM BLADE TIP, IMMEDIATELY ADJACENT TO REINFORCMENT RING, EXTENDING STRAIGHT IN DIRECTION OF BLADE ROOT. REPLACED WITH NEW IMPELLER.Apr 2, 2003 · Bell 412SDR AUS20030454Oil Cooler · cracked(AUS) LT ENGINE OIL COOLER CRACKED IN AREA NEAR OIL PRESSURE MOUNTHOLE.Mar 24, 2003 · Cessna 402CSDR CA030326005Oil Cooler · leaking(CAN) NR 1 ENGINE OIL COOLER FOUND LEAKING. OIL COOLER REPLACED. SERIAL NR UNKNOWN AS DATA PLATE MISSING FROM UNIT. TRYING TO TRACE INFORMATIONMar 23, 2003 · Dhav DHC8311SDR CA030326004Oil Cooler · leaking(CAN) NR 2 ENGINE OIL COOLER FOUND LEAKING FROM COOLING FINS. OIL COOLER REPLACED.Mar 23, 2003 · Dhav DHC8102SDR CA030423001Fitting · broken(CAN) DURING FLIGHT LOW OIL PRESURE WARNING LIGHT CAME ON, PILOT INITIATED THE ENGINE SHUT DOWN PROCEDURE AND DIVERTED FLIGHT TO YQB. AFTER INVESTIGATION WE FOUND THAT THE FITTING WAS BROKEN AT OUTBOARD FLANGE WHAT CAUSED THE OIL LEAK.Mar 18, 2003 · Dhav DHC8102SDR HEEA084478Seal · leakingEXCLUDER SEAL LEAKING DUE TO ROD WORN IN SEAL AREA. IN SHOP FOR REPAIR.Feb 14, 2003 · N2149S · Bell 412SDR CA030225006Oil Cooler · cracked(CAN) OIL COOLER UPPER WELD CRACKED ACROSS.Feb 12, 2003 · Cessna 402BSDR CA030218009Oil Cooler · cracked(CAN) WE DISCOVERED CRACKS DEVELOPING AROUND WELDS ON THE ATTACHING POINTS OF THE OIL COOLER. INSTALLATION PROCEDURE INCLUDING TORQUE, AND ALL THE ATTACHING HARDWARE, WERE CORRECTLY FOLLOWED.Feb 9, 2003 · Cessna 402BSDR CA030213001Oil Cooler · leaking(CAN) NR 1 ENGINE OIL COOLER FOUND LEAKING FROM LOWER COOLING FINS. OIL COOLER REPLACED.Feb 8, 2003 · Dhav DHC8311SDR CA030211002Bracket · cracked(CAN) OIL COOLER BRACKET IS A WELDED ASSEMBLY FROM FACTORY. CRACKS ORIGINATED FROM MOUNTING HOLES AND 'RELIEF' AREA.Feb 4, 2003 · Dhav DHC6300SDR CA030122007Oil Cooler · leaking(CAN) NR 2 OIL COOLER FOUND LEAKING. OIL COOLER REPLACED.Jan 20, 2003 · Dhav DHC8311SDR HEEA083591Oil Cooler · making metalMETAL FOUND AT FWD CHIP PLUG. TO BE SENT TO VENDOR FOR REPAIR.Jan 14, 2003 · N2149S · Bell 412SDR HEEA083395Oil Cooler · failedENGINE OIL COOLER PRODUCING HIGH ENGINE OIL PRESSURE.Jan 9, 2003 · N3116P · Bell 206L3SDR CA030106019Oil Cooler · leaking(CAN) NR 1 ENGINE OIL COOLER FOUND TO HAVE SEVERE OIL LEAK IN FIN AREA BY VERNATHERM END OF OIL COOLER.Dec 30, 2002 · Dhav DHC8102SDR CA021217005Oil Cooler · leaking(CAN) LT ENGINE OIL COOLER FOUND LEAKING. OIL COOLER REPLACED.Dec 1, 2002 · Dhav DHC8102SDR CA021125001Oil Cooler · leaking(CAN) AIRCRAFT TOOKOFF FROM YZG FOR YUZ, AFTER TAKEOFF IN FLIGHT THE RT ENGINE OIL PRESSURE LIGHT CAME ON, OIL PRESSURE ZERO, PILOT SHUTDOWN ENGINE. ON ARRIVING TO YVP, INSPECTION WAS CARRIED OUT, AND RT OIL COOLER HONEYCOMB WAS LEAKING. RT OIL COOLER WAS REPNov 9, 2002 · Braero HS7482BSDR CA030109004Bypass Valve · faulty(CAN) DURING CLIMB RT OIL TEMP WAS RISING TO RED LINE 108 DEGREES. POWER REDUCED AND OIL TEMP FELL TO 104 DEGREES AND STAYED BELOW RED LINE THE REST OF THE FLIGHT. FLIGHT RETURNED TO BASE. RT ENGINE OIL COOLER BY-PASS VALVE WAS REPLACED IN ACCORDANCE WITH AMMOct 15, 2002 · Bombdr DHC8400SDR 02283418Heat ExchangerDuring cruise of the flight from RDU to LGA, the crew reported R?H engine oil pressure fail. The engine was shutdown as a precaution and the flight diverted to RIC where it landed without incident. Maintenance personnel found the fuel/oil heat exchanger cracOct 10, 2002 · N418FJ · Dorner DO328300SDR QXEA0201696Line · chafedPDX - BRAIDED DRAIN LINE HAS A DIME SIZED CHAFE THROUGH BRAID WHERE IT HAS CONTACTED OIL COOLER LINE. REPLACED IAW MM 20-06-03.Oct 8, 2002 · N368PH · Dhav DHC8202SDR SWIA200211398Oil Cooler · chafedLEFT ENGINE OIL COOLER OUTBOARD FORWARD FRAME CHAFED THROUGH. FOUND DURING C CHECK INSPECTION. REPLACED LEFT OIL COOLER WITH SERVICEABLE PART.Oct 2, 2002 · N251YV · Emb EMB120ERSDR 2002FA0001255Oil Cooler · leakingUPON INITIAL RUN UP OF FACTORY REBUILT ENGINE, COOLER LEAK NOTED. REMOVED COOLER AND CHECK BASE PLATE AND COOLER BASE FOR SURFACE VARIATIONS. BOTH PIECES DID NOT HAVE SURFACES THAT SHOWED TO BE TRUE AND FLAT.Oct 1, 2002 · N603ET · Cessna TU206FSDR REX02020O-Ring · cutENROUTE, IN CRUISE CONFIGURATION AT FL290, AT A POSITION 80 MILES NORTH, THE RT ENG OIL PRESSURE BEGAN TO FLUCTUATE BETWEEN 28 AND 42 PSI, FOLLOWED BY INTERMITTENT ILLUMINATION OF LOW OIL PRESSURE WARNING. FLIGHT CREW DECLARED EMERGENCY AND SHUT DOWN THE ENGISep 29, 2002 · N8506C · Cndair CL6002B19SDR MEX2002300Warning System · false activationAIRCRAFT RETURNED TO PLATFORM AS CONSEQUENCE OF THE LIGHT (OIL FILTER CLOGGING) TURNED ON DURING LT ENGINE STARTING. TECH PERFORMED AN ERASER PROCEDURE AND THE ENGINES WERE STARTED AGAIN, MESSAGE DID NOT APPEAR AGAIN AND PARAMETERS WERE, OK.Sep 17, 2002 · N804AM · Boeing 7572Q8SDR KBMA116008Blower · inoperativeOIL COOLER BLOWER, INOPERATIVE. REPLACED WITH SERVICEABLE UNIT/ OVERHAULED BLOWER.Sep 12, 2002 · N350SH · Snias AS350BASDR VJ32002F00067Strap · brokenTERMINAL END OF OIL COOLER STRAP FOUND BROKEN DURING ROUTINE INSPECTION. APPEARS TO BE CAUSED BY FLEXING AND FATIGUE. RECOMMEND OTHER METHOD OF MOUNTING OIL COOLER. PERHAPS A RIGID MOUNT WOULD BE BETTER.Sep 6, 2002 · N864AF · Grob G120ASDR KBMA115455Motor · inoperativeOIL COOLER MOTOR INOPERATIVE. REPLACED OIL COOLER MOTOR.Aug 28, 2002 · N270SH · Snias AS350BASDR KBMA115448Fan · bindingOIL COOLER FAN IS BINDING AND TURNS ROUGH. REPLACED WITH SERVICEABLE UNIT.Aug 26, 2002 · N350SH · Snias AS350BASDR 2002FA0001254Oil Cooler · leakingFACTORY REBUILT ENGINE, INITIAL START UP OIL COOLER LEAKS, REMOVED COOLER AND BASE PLATE AND CHECKED SURFACES, SURFACES FOUND NOT TO BE FLAT.Aug 22, 2002 · N52509 · Cessna 182PSDR CA021218005Valve · bypassing(CAN) AT FL240, SAT -22 C, OIL TEMP. RT ENGINE REACHED 108 DEGREES C. WE DESCENDED WITHOUT DELAY TO FL200 IN ORDER TO ACHIEVE LOWER OIL TEMP. THE REST OF THE FLIGHT TO BASE WAS UNEVENTFUL. THE OIL COOLER BYPASS VALVE WAS REPLACED.Aug 6, 2002 · Bombdr DHC8400SDR ACE0729021Oil Cooler · crackedMAINTENANCE FOUND OIL LEAKING FROM THE RIGHT ENGINE COWLING. INVESTIGATION REVEALED A CRACKED OIL COOLER. OIL COOLER WAS REPLACED. THE REMOVED OIL COOLER WAS INSPECTED AND A CRACK ALONG THE END PLATE WELD SEEM WAS LOCATED. THIS DEFECT IS COMMON WITH THIS PJul 31, 2002 · N45GL · Beech 1900CSDR HEEA080659Oil Cooler · leakingENGINE OIL COOLER LEAKING.Jul 30, 2002 · N4835 · Bell 206L3SDR HEEA080658Oil Cooler · failedOIL COOLER PRODUCING HIGH ENGINE OIL TEMPERATURE.Jul 30, 2002 · N6603X · Bell 206L3SDR HEEA080657Oil Cooler · failedOIL COOLER PRODUCING HIGH ENGINE OIL TEMPERATURE.Jul 30, 2002 · N42EA · Bell 206L3SDR HEEA080656Oil Cooler · leakingOIL COOLER LEAKING.Jul 30, 2002 · N22743 · Bell 206B3
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