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 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 VIBRASDR 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 BAFSDR CA030603008Oil Cooler · leaking(CAN) NOTED A SMALL BIT OF OIL ACCUMULATING ON UNDER SIDE OF COOLER. NO EVIDENCE OF IAT RUNNING FROM ANYWHERE ELSE.SDR 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 HOSDR HEEA086735Oil Cooler · malfunctionedOIL COOLER MALFUNCTIONED, BOTH ENGINE OIL TEMPS RUNNING TOO HIGH. TO BE SENT TO VENDOR.SDR HEEA086686Pressure Switch · malfunctionedNR 2 ENGINE BLOWER LIGHT CAME ON AFTER ENGINE START. REPLACED.SDR HEEA086602Oil Cooler · vibratesHIGH VIBRATION. REPAIRED.SDR HEEA086601Bearing · looseBEARING SPINS IN HOUSING; MAKING MUD. REPLACED BEARING 9104-NPP DUE TO WORN; BEARING W202PP DUE TO WORN. REPAIRED.SDR 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 FINDISDR 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.SDR CA030428010Oil Cooler · leaking(CAN) DURING SCHEDULED MAINTENANCE, NR 1 ENGINE OIL COOLER WAS FOUND LEAKING. OIL COOLER REPLACED.SDR 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.SDR 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 HOSSDR NACA20030081Actuator · inoperativeNR 3 ENGINE SHUT DOWN DUE TO OIL COOLER DOOR NOT OPERATING. REPLACED OIL COOLER DOOR ACTUATOR.SDR 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.SDR AUS20030397Bracket · cracked(AUS) OIL COOLER BRACKET ASSEMBLY CRACKED IN SEVERAL LOCATIONS.SDR 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.SDR AUS20030454Oil Cooler · cracked(AUS) LT ENGINE OIL COOLER CRACKED IN AREA NEAR OIL PRESSURE MOUNTHOLE.SDR 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 INFORMATIONSDR CA030326004Oil Cooler · leaking(CAN) NR 2 ENGINE OIL COOLER FOUND LEAKING FROM COOLING FINS. OIL COOLER REPLACED.SDR 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.SDR HEEA084478Seal · leakingEXCLUDER SEAL LEAKING DUE TO ROD WORN IN SEAL AREA. IN SHOP FOR REPAIR.SDR CA030225006Oil Cooler · cracked(CAN) OIL COOLER UPPER WELD CRACKED ACROSS.SDR 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.SDR CA030213001Oil Cooler · leaking(CAN) NR 1 ENGINE OIL COOLER FOUND LEAKING FROM LOWER COOLING FINS. OIL COOLER REPLACED.SDR CA030211002Bracket · cracked(CAN) OIL COOLER BRACKET IS A WELDED ASSEMBLY FROM FACTORY. CRACKS ORIGINATED FROM MOUNTING HOLES AND 'RELIEF' AREA.SDR CA030122007Oil Cooler · leaking(CAN) NR 2 OIL COOLER FOUND LEAKING. OIL COOLER REPLACED.SDR HEEA083591Oil Cooler · making metalMETAL FOUND AT FWD CHIP PLUG. TO BE SENT TO VENDOR FOR REPAIR.SDR HEEA083395Oil Cooler · failedENGINE OIL COOLER PRODUCING HIGH ENGINE OIL PRESSURE.SDR CA030106019Oil Cooler · leaking(CAN) NR 1 ENGINE OIL COOLER FOUND TO HAVE SEVERE OIL LEAK IN FIN AREA BY VERNATHERM END OF OIL COOLER.SDR CA021217005Oil Cooler · leaking(CAN) LT ENGINE OIL COOLER FOUND LEAKING. OIL COOLER REPLACED.SDR 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 REPSDR 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 AMMSDR 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 cracSDR 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.SDR SWIA200211398Oil Cooler · chafedLEFT ENGINE OIL COOLER OUTBOARD FORWARD FRAME CHAFED THROUGH. FOUND DURING C CHECK INSPECTION. REPLACED LEFT OIL COOLER WITH SERVICEABLE PART.SDR 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.SDR 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 ENGISDR 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.SDR KBMA116008Blower · inoperativeOIL COOLER BLOWER, INOPERATIVE. REPLACED WITH SERVICEABLE UNIT/ OVERHAULED BLOWER.SDR 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.SDR KBMA115455Motor · inoperativeOIL COOLER MOTOR INOPERATIVE. REPLACED OIL COOLER MOTOR.SDR KBMA115448Fan · bindingOIL COOLER FAN IS BINDING AND TURNS ROUGH. REPLACED WITH SERVICEABLE UNIT.SDR 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.SDR 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.SDR 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 PSDR HEEA080659Oil Cooler · leakingENGINE OIL COOLER LEAKING.SDR HEEA080658Oil Cooler · failedOIL COOLER PRODUCING HIGH ENGINE OIL TEMPERATURE.SDR HEEA080657Oil Cooler · failedOIL COOLER PRODUCING HIGH ENGINE OIL TEMPERATURE.SDR HEEA080656Oil Cooler · leakingOIL COOLER LEAKING.
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