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 95ZZZX6567Baffle Assy · brokenDURING A 100-HOUR INSPECTION, THE OIL COOLER WAS FOUND SUPPORTED BY ONLY TWO BOLTS. THE OIL COOLER MOUNTING BAFFLE WAS COMPLETELY BROKEN AT TWO OF THE MOUNT HOLES AND THE OTHER TWO WERE SEVERELY CRACKED. THIS COULD CAUSE OIL COOLER TANK LEAKAGE AND POSSIBLE SDR 95ZZZX6682Oil Cooler · crackedOIL COOLER SENT FOR REPAIR ON MOUNTING FLANGE. RECEIVED AND REINSTALLED ON 10-12-95. ON 10-22-95, ON A TRIP, THE COOLER SPLIT AND DEVELOPED A LEAK. REPAIR STATION FOUND THAT INSTALLER OVERTORQUED THE BOTTOM FITTING. SUBMITTER DISAGREES WITH THAT FINDING, BSDR 95ZZZX6398Support Baffle · crackedDURING A 100-HOUR INSPECTION, THE OIL COOLER MOUNT BAFFLE ASSY WAS FOUND SEVERELY CRACKED WITH PIECES MISSING. IF THE OIL COOLER BECOMES COMPLETELY DETACHED, IT COULD VIBRATE AGAINST THE ENGINE MOUNT AND CAUSE THE OIL COOLER TO RUPTURE. THIS ENTIRE BAFFLE ASSDR CA951030010Oil Cooler · cracked(CAN)#1 ENGINE OIL COOLER CRACKED IN FLIGHT. AIRCRFT RETURNED TO BASE WITH #1 ENGINE FEATHERED. SLIGHT OIL PRESSURE LOSS, 3 LITERS REMAINING ON SHUTDOWN.SDR RAIA951023Oil Cooler · failedDEC - FLT 7291 - LEFT OIL COOLER FLAP STUCK OPEN. MAINTENANCE REPLACED LEFT OIL COOLER ACTUATOR. SYSTEM CHECK GOOD. (M)SDR 95ZZZX6196Cooler · leakingOIL COOLER WAS FOUND LEAKING IN CORE AREA. REMOVED AND REPLACED OIL COOLER. PART SENT IN FOR OVERHAUL.SDR 96ZZZX89Cooler · leakingOIL COOLER FOUND LEAKING. THIS IS THE SECOND OIL COOLER ON THIS ENGINE. THE FIRST STARTED LEAKING AT 353.0 HOURS TOTAL TIME. THE SECOND AT 549.5 HOURS TOTAL TIME.SDR RAIA951012Oil Cooler · failedSTL - FLT NR 7534 - RIGHT ENGINE LOST OIL PRESSURE, CREW SHUT ENGINE AND LANDED SAFELY WITHOUT INCIDENT. MAINTENANCE REPLACED RIGHT ENGINE OIL COOLER ASSEMBLY. GROUND RUNS LEAK CHECK GOOD. (M)SDR HEED95359Cooler · metal contamOIL COOLER METAL CONTAIMINATION. REPLACED UNIT.SDR 96ZZZX87Cooler · leakingOIL COOLER CORE WAS FOUND LEAKING.SDR BUFA9522Oil Cooler · malfunctionedMIA-MCI - SHUT DOWN NR 1 ENGINE, OIL TEMPERATURE 143 DEGREES AND RISING, CSD RISE TEMPERATURE PLUS 15 DEGREES, RETURNED TO MIA. REMOVED AND REPLACED NR 1 ENGINE OIL COOLER. OP CHECK GOOD IAW 79-00. (M)SDR C2XA95CL114Oil Cooler · crackedFLT NR 3285 - CLE-CLE - AFTER TAKEOFF NR 1 ENGINE OIL PRESSURE WENT OT 0 PSI. CONTINUED CLIMB-OUT BEFORE CREW COULD SHUT ENGINE DOWN, THE ENGINE SHUT ITSELF DOWN. RETURNED TO CLE. MAINTENANCE INSPECTED AND FOUND OIL COOLER TO BE CRACKED. REPLACED OIL COOLESDR RAIA950903Cooler · leakingSUX - FLT NR 7216 - LOST OIL PRESSURE ON NR 1 ENGINE IN FLIGHT, PERFORMED PRECAUTIONARY SHUTDOWN. MAINTENANCE REPLACED LEFT ENGINE OIL COOLER. GROUND RUNS REVEALED NORMAL OPERATION AND LEAK CHECK GOOD. (M)SDR BUFA9720Oil Cooler · leakingFLT 0X0701 - TPP-GAS - NR 4 ENGINE HAD LOSS OF OIL PRESSURE AND QUANTITY, WIND MILL OK PRESSURE WAS 20 PSI. REMOVED AND REPLACED NR 4 ENGINE HEAT OIL COOLER. RUN ENGINE, OPS CHECK GOOD. LEAK CHECK GOOD IAW MM72-00. (M)SDR 96ZZZX86Cooler · leakingOIL COOLER CORE WAS FOUND LEAKING.SDR BUFA9719Oil Cooler · leakingFLT 0X0401 - MIA-POS - SHUT DOWN NR 4 ENGINE IN FLIGHT DUE TO LOW OIL PRESSURE AND LOW OIL QUANTITY. NO EMERGENCY DECLARED. REMOVED AND REPLACED NR 4 ENGINE FUEL HEAT OIL COOLER. RUN ENGINE, OPS CHECK GOOD. LEAK CHECK GOOD IAW MM 72-00. (M)SDR GMCR95006Valve · failedDURING TAKEOFF ROLL, RIGHT ENGINE INDICATED LOW HORSEPOWER. ABORTED TAKEOFF. REPLACED DEFECTIVE OIL COOLER EJECTOR VALVE. (X)SDR 95ZZZX5634Cooler · crackedOIL COOLER CRACKED UNDER NORMAL CONDITIONS, LEAKING OIL. SUBMITTER SUGGESTS RE-DESIGN COOLER.SDR VTZA95255Oil Cooler · failedTYS/IAD - FLT 6175 - DURING CRUISE AT 2000 HRS ON 8-18-95, RETURNED TO TYS DUE TO THE LT ENGINE LOSING OIL PRESSURE IN-FLIGHT. AIRCRAFT LANDED AT TYS WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED THE OIL COOLER. AIRCRAFT WAS RELEASED AND APPROVED FOR RETUSDR CA960311031O-Ring · cut(CAN) DURING FLIGHT, CREW NOTICED DROPPING OIL PRESSURE ON L/H ENGINE. THE L/H ENGINE WAS SHUT DOWN AS A PRECAUTIONARY PROCEDURE AND AIRCRAFT RETURNED TO ORIGIN. INVESTIGATION REVEALED A BAD OIL LEAK AT L/H OIL COOLER AREA. THE INLET COUPLING WAS REMOVED AND SSDR 95ZZZX4386Cooler · crackedREPAIR STATION FOUND CRACKS IN MOUNTING BASE OF OIL COOLER DURING OVERHAUL TO CORRECT LEAK IN TUBES. EXCHANGE UNIT WAS INSTALLED.SDR 96ZZZX90Cooler · leakingOI COOLER CORE WAS FOUND LEAKING.SDR ABXA9500641Oil Cooler · crackedNR 1 ENGINE INFLIGHT SHUTDOWN DUE TO LOW OIL PRESSURE, 6 TO 10 PSI. MAINTENANCE FOUND THE NR 1 OIL COOLER LEAKING, CRACKED. REPLACED OIL COOLER IAW ROLLS ROYCE MM 79-20-1. REPLACED NR 1 ENGINE IAW ABX WORK CARD 7202. OPS AND LEAK CHECKED GOOD.SDR 95ZZZX3135Cooler · rupturedAFTER 35 MINUTES OF A 45-MINUTE FLIGHT, THE OIL TEMPERATURE STARTED TO RISE, BUT NEVER HIT RED LINE. A SAFE LANDING WAS MADE. OIL WAS DRIPPING OFF RT SIDE OF COWL AND FIREWALL ENGINE WAS WASHED DOWN AND LEAK CHECKED REVEALED THE OIL COOLER HAD SPLIT AT THE BSDR 95ZZZX3314Cooler · rupturedOIL COOLER IS PART OF A CERTIFIED ENGINE INST ON A CE-172M. DURING CRUISE FLIGHT, THE OIL COOLER RUPTURED IN THE AREA OF THE END TANK ON THE OUTPUT SIDE OF THE COOLER. THIS CAUSED A RAPID LOSS OF OIL AND ENGINE FAILURE. ON-AIRPORT LANDING WITHOUT FURTHER DASDR 95ZZZX3967Oil Cooler Inlet · leakingOIL PRESSURE DROPPED ON FINAL APROACH ON LEFT ENGINE. ENGINE WAS SHUT DOWN AFTER LANDING. OIL LEAK IN OIL COOLER INLET RING. PILOT NOTICED OIL PRESSURE STARTING TO DROP ON FINAL APPROACH. PRESSURE DROPPED TO 5 PSI AFTER LANDING ENGINE WAS SHUT DOWN. LEFT SDR 95ZZZX2998Cooler · seam splitOIL COOLER SPLIT THE SEAM WELD ON TAKEOFF. PILOT NOTED LOSS OF TORQUE PSI IMMEDIATELY FOLLOWED BY ILLUMINATION OF LOW OIL PSI LIGHT. PILOT DUMPED LOAD AND MADE AN EMERGENCY LANDING. NEW OIL COOLER INSTALLED AND SPLIT THE SEAM WELD DURING START. SUSPECTED ASDR VTZA95113Actuator · failedFLT NR 6592 - IAD-AVP - DURING CRUISE RETURNED TO THE IAD WITH NO FURTHER INCIDENTS, DUE TO THE LEFT OIL COOLER FLAP INDICATING OPEN IN FLIGHT. MAINTENANCE REPLACED THE OIL COOLER FLAP ACTUATOR. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (W)SDR VTZA95091Actuator · failedFLT 6305 - IAD-JFK - AIRCRAFT RETURNED IAD DUE TO LEFT OIL COOLER FLAP WOULD NOT CLOSE IN FLIGHT. MAINTENANCE REMOVED AND REPLACED THE LEFT OIL COOLER ACTUATOR. OPS CHECKED GOOD. AIRCRAFT WAS THEN APPROVED FOR RETURN TO SERVICE. (Z)SDR VTZA95090Wire · broken wireFLT NR 6221 - SWF-IAD - AIRCRAFT RETURNED TO SWF DUE TO OIL COOLER DOOR WOULD NOT INDICATE CLOSED INFLIGHT. MAINTENANCE FOUND BROKEN WIRE AT ACTUATOR, P/N HTE860028. THE WIRE WAS REPAIRED AND OPS CHECKED GOD. AIRCRAFT WAS THEN APPROVED FOR RETURN TO SERVICESDR 95ZZZZ134Oil Cooler · leakingFLT NR 431 - SHUTDOWN NR 3 ENGINE DUE TO LOSS OF OIL AT 1907Z. REPLACED OIL COOLER DUE TO LEAKING. (Z)SDR 95ZZZX1897Cooler · crackedENGINE INSTALLED AFTER OVERHAUL. UPON GROUND RUN, FOUND OIL COOLER LEAKING EXCESSIVELY. REMOVED AND INSTALLED SERVICEABLE COOLER. ENGINE STILL HAD SMALL OIL LEAK. AFTER EXTENSIVE TROUBLESHOOTING AND SEVERAL ATTEMPTS OF RESEALING OIL PUMP HOUSING, WHICH APP
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