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 QXEA200600108Rivet · looseLT NACELLE HAS TWO LOOSE CHERRY RIVETS. ONE ON EITHER SIDE OF OIL COOLER FLAP. MAINTENANCE REPAIRED IAW Q400 SRM 51-42-45.SDR CA060104009Shaft · crackedPERFORMED MAGNETIC PARTICLE INSPECTION IAW BHT-ALL-SPM, SHAFT P/N 2660-1635-01 WAS FOUND TO BE CRACKED IN KEY WAY, PART HAS BEEN SUBSEQUENTLY SCRAPED. BELL HELICOPTER HAS BEEN NOTIFIED FOR INTEREST AND INFORMATION ONLY.SDR AU510001770Gasket · failedRT ENGINE OIL COOLER LOWER FITTING GASKET FAILED. LOSS OF ENGINE OIL.SDR KBM2005F00357Cage · damagedFOUND OIL COOLER IMPELLER DAMAGED. REMOVED AND REPLACED BLOWER CAGE ASSY. (K)SDR ZN3R030MOil Cooler · misrepairedOIL COOLER 160156-2, SN 23-610C SERIES 2 HAS POSSIBLE UNAPPROVED REPAIR CONSISTING OF A PLUG WELD IN THE MIDDLE OF THE OIL COOLER FINS AND WALL COMPLETELY THRU. CHIEF INSPECTOR NOTIFIED AT REPAIR STATION AND REQUESTED SUP TO BE COMPLETED ON 11/22/05.SDR CA051117004Mount Bracket · cracked(CAN) DURING SCHEDULED 300 HOUR AIRFRAME INSPECTION, A CRACK WAS FOUND IN THE COOLING FAN MOUNT. PART WAS REMOVED AND NEW PART WAS ORDERED ON MHI PO NR 204119. UNSERVICEABLE PART IS AVAILABLE IF REQUIRED. (TC 20051117004)SDR CA051213003Bearing · seizedNR 2 ENGINE OIL OVER TEMPERATURE WAS OBSERVED BY CREW DURING ROUTINE FLIGHT. SINGLE ENGINE LANDING WAS EXECUTED AT NEAREST AIRPORT. UPON INSPECTION IT WAS APPARENT THAT NR 2 ENGINE OIL COOLER BLOWER FAILED. THE REAR BEARING SEIZED, BLOWER SHAFT SHEARED NEARSDR KBM2005F00269Blower Motor · reads highOIL TEMP RUNNING EXTREMELY HIGH. TROUBLESHOT REPLACED OIL COOLER BLOWER MOTOR WITH O/H UNIT. (K)SDR QXEA200501141Valve · inoperativeSEA-ON FLIGHT 2328, NR 2 OIL TEMPERATURE ROSE TO 108 DEGREES. CLOSED BYPASS DOOR PER CHECKLIST AND TEMPERATURE LOWERED TO 104 DEGREES. TEMPERATURE DECREASED A LITTLE MORE DURING CRUISE BUT KEPT A 15 DEGREE TO 20 DEGREE SPLIT FROM NR 1 OIL TEMERATURE. REMOVESDR HEEA107352Duct · collapsedAFTER DEPARTURE, NR 2 ENGINE OIL TEMP GAUGE SHOWED TEMPERATURE ABOVE RED LINE. EMERGENCY PROCEDURE PERFORMED. FOUND OIL COOLER DUCT COLLAPSED INSIDE. REPLACED DUCT.SDR CA050720002Mount Flange · crackedDURING A SCHEDULED MAINTENANCE INSPECTION, THE TECHNICIAN DISCOVERED A CRACK IN THE OIL COOLER ASSEMBLY AT THE WELD WHERE THE COOLER BODY MEETS THE MOUNTING FLANGE.SDR QXEA200501104Door Actuator · failedNR 1 OIL TEMP AT 114 DEG C DURING CLIMB. REFERENCED EMERGENCY CHECKLIST (CLOSED #2 BYPASS DOOR) OIL TEMP REDUCED TO 109 DEGREE C AT LEVEL OFF (FL 230) OIL TEMP NORMAL AT 90 DEGREES C. INTERROGATED CDS FOUND EXCEEDANCE TO BE 114.5 DEGREE C FOR 836 SECONDS. DSDR CA060228012Oil Cooler · crackedOIL LEAK FROM OIL COOLER.SDR CA050616002Oil Cooler · cracked(CAN) DURING INSPECTION OIL WAS NOTICED TO BE LEAKING, THE SOURCE OF WHICH WAS DETERMINED TO BE THE OIL COOLER AS THERE WAS A CRACK ON THE WELD ALONG THE UPPER OUTER CORNER OF THE OIL COOLER. THE OIL COOLER WAS REPLACED WITH AN OVERHAULED UNIT.SDR DHL2005762003Oil Cooler · leakingAT 10,000FT, THE CREW OBSERVED THE NR 3 ENGINE PARAMETERS FLUCTUATING,FOLLOWED SPECIAL PROCEDURES SHUT DOWN THE ENGINE,DECLARED AN EMERGENCY AND DIVERTED BACK TO PHOENIX. AFTER TAKE OFF, NR 3 ENGINE PARAMETERS BEGAN FLUCTUATING. PERFORMED ABNORMAL PROCEDURE PSDR 2005FA0000747Oil Cooler · crackedUPPER OIL COOLER AND DEICER, BASE METAL CRACKED DUE TO VIBRATION. (K)SDR BAQ2005F00001Fan · failedDURING TAKEOFF, NR1 ENG OIL HOT LIGHT ILLUMINATED. OIL TEMP WAS 125 DECREES C. PILOT REDUCED POWER AND INITIATED A RETURNE TO HOSPITAL. ENG NR1 OIL TEMP AND PRESSURE CONTINUED TO RISE. PILOT DECLARED AN EMERGENCY WITH TOWER AND DIVERTED FOR A PRECAUTIONARYSDR CA050407005Oil Cooler · cracked(CAN) RT ENGINE OIL PRESSURE LOW LIGHT CAME ON IN FLIGHT. ENGINE WAS SECURED AND EMERGENCY LANDING CARRIED OUT. OIL COOLER WAS TESTED UNDER PRESSURE AND WAS FOUND TO BE LEAKING AND WAS REPLACED.SDR CA050324004Tube · chafed(CAN) AFTER CREW REPORTED A LOW OIL PRESSURE ON LT ENGINE. THE MAINTENANCE PERSONNEL FOUND AFTER INVESTIGATION THAT THE OIL COOLER TUBE ASSEMBLY WAS PUNCTURED/CHAFED. ONE OF THE HOLDING CLAMP`S PROTECTIVE MATERIAL WAS COMPLETELY CHAFED (INSIDE PORTION) AND WISDR ASOA05256Door · openDURING T/O, FOLLOWING GEAR UP TRANSITION THE CREW FELT A LARGE BUMP FROM THE LT SIDE OF THE AC. AT APPROX 4,000 FT A PASSENGER REPORTED SEEING SOMETHING HANGING FROM JUST BEHIND THE PROP, WHICH WAS CONFIRMED BY THE F/O UPON FURTHER INVESTIGATION. THE CREW ALSDR HNAA0500015Oil Cooler · leakingNR 1 ENGINE OIL PRESSURE WARNING LT ILLUMINATED ON CLIMB-OUT. POWER REDUCED AND ENGINE S/D AT 40 PSI. REMOVED AND REPLACED ENGINE OIL COOLER. FERRIED TO MDT FOR ENGINE REMOVED AND REPLACED.SDR CA050223008Oil Cooler · leaking(CAN) PILOT NOTICED DECREASING OIL PRESSURE APPROX 8 MINUTES FROM DESTINATION. UNEVENTFUL LANDING WAS CARRIED OUT. OIL PRESSURE DID NOT DROP BELOW 60 PSI, BUT OIL LEVEL IN TANK WAS BELOW BOTTOM OF DIPSTICK. APPROXIMATELY 3 TO 3.5 GALLONS OF OIL LOST IN UNDER SDR 2005FA0000176Oil Cooler · crackedDURING ROUTINE OIL CHANGE, AN EXAMINATION OF THE OIL COOLER FLANGE AREA WHERE IT BOLTS ONTO THE ENGINE STUDS WAS FOUND TO BE CRACKED. THE CRACK WAS LOCATED BETWEEN THE STUDS MOUNTING AREA IN THE OIL COLLER SURFACE WELD. THIS IS THE FOURTH INSTANCE OF AN OIL SDR RAIA00501058Actuator · malfunctionedBWI - LEFT OIL COOLER FLAP STUCK IN THE OPEN POSITION IN AIR. MAINTENANCE REMOVED AND REPLACED LEFT OIL FLAP ACTUATOR.SDR 2005FA0000306Oil Cooler · crackedIN-FLIGHT ENGINE FAILURE DUE TO OIL STARVATION RESULTING IN AN EMERGENCY LANDING IN TREES. POST ACCIDENT INVESTIGATION REVEALED A CRACKED OIL COOLER, WHICH ALLOWED ENGINE OIL SUPPLY TO BE PUMPED OVERBOARD. REFERENCE ACCIDENT (NR ATL05CA047).SDR 2005FA0000682Oil Cooler · crackedENROUTE, DIVERTED, AFTER REPORTING AN OIL PRESSURE PROBLEM. AIRCRAFT OIL COOLER DEVELOPED LEAK, LANDED AS A PRECAUTIONARY MEASURE. REMOVED AND REPAIRED OIL COOLER. (NM07200502583) (K)SDR 2005FA0000211Oil Cooler · crackedCOOLER SPLIT AT WELD ON END OF COOLER. SPLIT WAS 2+ INCHES LONG RIGHT DOWN THE CENTER OF THE WELD. (GL19200501920) (GL19200502021) (K)SDR C8GA20040027Oil Cooler · inoperativeFLT 707 FROM MCI TO TOL, IN CRUISE, NR 2 ENGINE OIL TEMPERATURE INCREASED TO 150 DEG C FOR 14 MINUTES. OIL PRESSURE AT 42 PSI AND FLUCTUATED. SHUT DOWN NR 2 ENGINE AS A PRECAUTION. AIRCRAFT CONTINUED TO TOL AND LANDED WITHOUT INCIDENT. FOUND NR 2 FUEL/OIL SDR CA041119006Oil Cooler · leaking(CAN) ENROUTE, THE LT OIL PRESSURE WARNING LIGHT ILLUMINATED AND OIL PRESSURE WAS SEEN TO DROP. LT ENGINE WAS SHUT DOWNAND A/C LANDED WITHOUT INCIDENT. INVESTIGATION REVEALED LT OIL COOLER WAS LEAKING AND ENGINE OIL CONTENTS WERE LOW. OIL COOLER WAS REPLACESDR LC12005F00000Oil Cooler · crackedOIL COOLER IS CRACKED AT THE LOWER LT FLANGE AREA.SDR 2005FA0000018Oil Cooler · crackedTHIS AIRCRAFT HAS HAD AN OIL COOLER REPLACED FOR THE SAME DEFECT AT <300 HOURS. THE NEW OIL COOLER IS CRACKED AGAIN AT THE LOWER LT FLANGE AREA. NOTE: MFG HAS A SIX POINT ENGINE MOUNT OPTION AVAILABLE TO REDUCE VIBRATION IN THE AIRCRAFT. THIS AIRCRAFT HAD SDR NACA20040052Actuator · inoperativeNR 1 ENGINE SHUT DOWN DUE TO HIGH AND UNCONTROLABLE OIL TEMPERATURE. REPLACED NR 1 ENGINE OIL COOLER DOOR ACTUATOR. OP CHECKED GOOD.SDR CA041129004Valve · malfunctioned(CAN) 371 HOURS AFTER OVERHAUL. METAL WAS OBSERVED IN THE OIL FILTER. ENGINE REMOVED, DISMANTLED, AND INSPECTED. CORROSION FOUND ON RODS AND CRANKSHAFT. ENGINE APPEARED TO HAVE NEVER RUN WARM ENOUGH TO BURN THE WATER OUT OF THE OIL. LACK OF ANY MARKS ON TSDR CA040929004Scoop · departed(CAN) ON APPROACH TO AIRPORT THE LT OIL SCOOP DEPARTED THE AIRCRAFT. THE SECURING FASTENERS WERE FOUND STILL ATTACHED TO THE BOTTOM OF THE NACELLE. PIECES OF FIBERGLASS WERE STILL UNDER THE HARDWARE. THERE WAS SLIGHT SHEET METAL DAMAGE TO THE BOTTOM OF THE SDR HNAA0400121Oil Cooler · leakingFLIGHT 3796 HAD TO ABORT TAKEOFF DUE TO RECEIVING THE NR 2 ENGINE OIL PRESSURE LIGHT. MAINTENANCE FOUND THE NR 2 OIL COOLER TO BE LEAKING. UNIT WAS REMOVED AND REPLACED. AIRCRAFT RUN COMPLIED WITH, LEAK CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.SDR CA040907004Oil Cooler · leaking(CAN) AFTER ENGINE START THICK WHITE SMOKE NOTICED COMING FROM THE ENGINE NR 2 BREATHER TUBE. OIL FOUND CONTAMINATED WITH FUEL. FUEL COOLED OIL COOLER (PN 10750F SN 440) REPLACED IAW MM AIRCRAFT RETURNED TO SERVICE.SDR CA040907003Oil Cooler · leaking(CAN) THICK WHITE SMOKE COMING FROM THE RT ENGINE BREATHER TUBE. ENGINE OIL FOUND CONTAMINATED BY FUEL. FUEL COOLED OIL COOLER (PN 10750F SN 440) REPLACED IAW MM GROUND RUNS CARRIED NO AICRAFT RETURNED TO SERVICE.SDR 2004FA0000694Oil Cooler · crackedAIRCRAFT 10 MILES FROM AIRPORT, TRAINING FLIGHT, PRACTICING FLIGHT MANEUVERS. SMELLED SOMETHING WRONG, SCANNED ENGINE GAUGES. NO OIL PRESSURE, BUT OIL TEMPERATURE WAS IN THE GREEN. DECIDED TO RETURN TO THE AIRPORT AND LANDED UNEVENTFULLY. POST FLIGHT INSPESDR CA040823002Circuit Breaker · sticking(CAN) DURING CRUISE THE OIL TEMPERATURE ON THE LT ENGINE CLIMBED TO LIMITS. THE OIL COOLER DOOR WAS NOT OPERATING. THE ENGINE WAS SHUT DOWN AND THE PROPELLER WAS FEATHERED AS A PRECAUTION. THE AIRCRAFT RETURNED TO BASE. UPON INVESTIGATION BY MAINTENANCE THE CISDR KBM2004F00193Motor · inoperativeMOTOR INOPERATIVE. INSTALLED NEW MOTOR.SDR QXEA200400576Oil Cooler · crackedOIL COOLER EXIT OUTLET CRACK AT BOTH FORWARD LOWER CORNERS. REPAIRED IAW EA 6-79-29 AND RD 84-74-004.SDR CA040806001Actuator · failed(CAN) DURING CRUISE THE FLIGHT CREW NOTICED THAT THE OIL TEMPERATURE ON THE LT ENGINE WAS CLIMBING. THE CREW TRIED TO MANUALLY CONTROL THE OIL TEMP BUT WAS UNSUCCESSFUL. THE ENGINE WAS SHUT DOWN AND THE PROP WAS FEATHERED AS A PRECAUTION. THE AIRCRAFT RETURSDR ERAA097116Oil Cooler · contaminatedOIL COOLER RETURNED FROM OVERHAUL AT DRAKE AIR WITH DEBRIS AND FOREIGN OBJECTS (GRASS) IN BETWEEN COOLING FINS AND CASE. RETURNING ON ERA REPAIR ORDER RW-900233 REQUESTING WARRANTY REPAIR.SDR UAB2004F00000Flex Pack · failedDURING INSPECTION AFTER ENGINE OIL COOLER DRIVE SHAFT FLEX PACK FAILURE. THE AIRFRAME WAS FOUND TO BE CRACKED APPROXIMATELY 90 PERCENT AROUND THE CIRCUMFERENCE OF THE TUBE. THIS WAS BELOW THE WELD, RT SIDE, AFT OF RT AFT TRANSMISSION MOUNT AREA. RECOMMEND ASDR ERAA096625Oil Cooler · dirtyHIGH OIL TEMP. TOO MUCH PAINT ON FIN; TOO LITTLE AIR FLOW. DIRTY AND BLOCKED CORE. UNIT WAS CLEANED, FLUSHED, OVERHAULED, TESTED AND INSPECTED.SDR ERAA096626Blower · damagedOIL COOLER BLOWER DUE OVERHAUL. IMPELLER HAS TWO CRACKED BLADES. SPACER BETWEEN BRGS MECHANICALLY DAMAGED. KEY MECHANICALLY DAMAGED. JC/W PRELIMINARY INSPECTION. DISASSEMBLED, STRIPPED PRIMER, SCRAPPED IMPELLER, BRG SPACER AND KEY. FPI AND MPI'D PARTS ASSDR 2004FA0000413Valve · inoperativePILOT REPORTED HIGH OIL TEMPERATURE 220-225 DEGREES, REMOVED VALVE AND TESTED SIDE BY SIDE WITH NEW VALVE, OLD VALVE DID NOT CLOSE AT THE SAME RATE AS NEW VALVE, INSTALLED NEW VALVE AND OIL TEMP DECREASED TOO.SDR KZ52004F00000Valve · inoperativePILOT REPORTED HIGH OIL TEMP 210 DEGREES-220 DEGREES F., REMOVED VALVE AND TESTED SIDE BY SIDE WITH NEW VALVE, OLD VALVE DID NOT CLOSE AT THE SAME REATE AS NEW VALVE AND OIL TEMP DECREASED TO.SDR KBM2004F00061Motor · inoperativeOIL COOLER HARD TO TURN. REMOVED AND REPLACED.SDR AUS20040364Bolt · loose(AUS) LT TANK FUEL QUANTITY APPROXIMATELY 800 KILOGRAMS LOWER THAN RT TANK. INVESTIGATION FOUND THE FUEL/OIL COOLER FORWARD BASKET BOLTS LOOSE BUT ASCERTAINED THIS WAS NOT THE CAUSE OF THE APPARENT FUEL LOSS. INVESTIGATION CONTINUING.
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