JASC 8550
Service difficulty reports · 669
Reports filed under 8550 · Reciprocating Engine Oil System, 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 = '8550' 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 = '8550' 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 95ZZZX6143Oil Line · chafedINSPECTION FOLLOWING ENGINE REMOVAL REVEALED EXTREME CHAFING/WEAR DAMAGE TO PROP GOVERNOR EXTERNAL OIL LINE AT GOV END APPROX 5 INCHES AWAY FROM B-NUT ATTACH. DAMAGED AREA APPROX .25 INCH BY .50 INCH & WEAR WAS NEARLY THROUGH TUBE WALL THICKNESS. OIL LOSS WASDR 95ZZZX2428Oil Line · chafedINSPECTION FOLLOWING ENGINE REMOVAL REVEALED EXTREME CHAFING/WEAR DAMAGE TO PROP GOVERNOR EXTERNAL OIL LINE AT GOV. END APPROX 5 INCHES AWAY FROM B-NUT ATTACH. DAMAGED AREA APPROX .25 INCH BY .50 INCH & WEAR WAS NEARLY THROUGH TUBE WALL THICKNESS. OIL LOSS WSDR 96ZZZX872Filter · gasket failedON A ROUTINE OIL CHANGE, FILTER WAS REMOVED AND CUT OPEN. SOMETHING RATTLING INSIDE WAS FOUND. RUBBER GASKET HAS PIECES MISSING ALONG WITH METAL SLIVERS. PARTS WERE PUMPED INTO ENGINE. ENGINE REMOVED, TORN DOWN. FOUND RUBBER PIECES IN 2 LIFTERS. ENGINE FSDR 95ZZZX2374Bolt · missingONE BOLT, PN STD-1204, NUT, P/N STD-1411 AND WASHERS, P/N STD-160 AND STD-8 WERE MISSING FROM THE OIL SUMP-TO-CRANKCASE INSTALLATION. THE AREAS NORMALLY COVERED BY THE BOLT AND NUT DURING PAINTING OF THE ENGINE WERE PAINTED, INDICATING THAT THE PARTS WERE OMISDR 95ZZZX2382Gear · failedPILOT REPORTED OIL STREAMING FROM LEFT ENGINE NACELLE WITH LOSS OF OIL PRESSURE AT CRUISE. HE SECURED THE LEFT ENGINE AND NOTIFIED ATC OF THE SITUATION. ATC CLEARED THE AIRCRAFT FOR STRAIGHT-IN APPROACH AT RDU. LANDING MADE WITHOUT FURTHER INCIDENT. INVESTSDR 95ZZZX2118Sump Assy · boss crackedDURING INSPECTION AT ENGINE OVERHAUL, BOTH INDUCTION DRAIN BOSSES ON OIL SUMPS WERE FOUND CRACKED. SUSPECT BOSSES CRACKED FROM OVER TIGHTENING DRAIN VALVE ASSY, PN 24995-00.SDR 95ZZZX2261Oil Pan · crackedDURING FLIGHT, PILOT NOTICED OIL STREAMING FROM RT COWLING. INSPECTION BY MAINTENANCE PERSONNEL REVEALED A 2 INCH CRACK IN THE OIL PAN AT LOWER RADIUS. SUSPECT FATIGUE, POOR STAMPING, DURING MANUFACTURING.SDR 95ZZZX2111Drive Coupling · block oil galleyDURING COMPLETION OF AD 78-09-07 ON LT ENGINE AND WHILE INSTALLING LT MAG, RUBBER DRIVE COUPLING WAS DROPPED INTO ENGINE. WHEN SUMP DRAIN WAS REMOVED TO RETRIEVE COUPLING, TWO WERE FOUND NEAR THE QUICK DRAIN. ENGINE HAD A HISTORY OF LOW OIL PRESSURE ON OCCASSDR 95ZZZX1974Gerotor · seizedTURBO SCAVANGE PUMP FAILED. APPEARS THAT THE ROTOR CRACKED WHICH, IN TURN, SHEARED AN ANTI-ROTATION PIN IN THE PUMP HOUSING IN WHICH THE GEROTOR TURNS. THE HOUSINGS WERE DAMAGED BY THIS PUMP HOUSING SPINNING, THE TURBO WAS NOT SCAVANGED WITH OIL LEADING TO TSDR 95ZZZX1910Filter · defectiveWHEN REMOVING OIL FILTER AFTER APPROXIMATELY 10 HOURS OF SERVICE CHANGE, DISCOVERED THE OIL FILTER CAN PORTION WAS SPINNING/ROTATING IN THE BASE PLATE. NO LEAKS HAD OCCURRED DURING SERVICE.SDR 95ZZZX2420Baffle · failedDURING REMOVAL OF OIL PAN TO CHANGE PAN GASKET, FOUND OIL SUMP BAFFLE COMING APART WHERE VERTICAL FINS ARE ATTACHED TO HORIZONTAL PART, FOUND ALL RIVETS LOOSE, ONE RIVET HEAD COMPLETELY MISSING.SDR 95ZZZX2715Adapter · defectiveWHEN INSPECTING FILTER ADAPTER IAW SEB 93-1R1A, FOUND FRETTING OF THE MOUNTING THREADS. THIS RENDERED THE ADAPTER UNAIRWORTHY. ADAPTER REPLACED WITH NEW UNIT.SDR 95ZZZX5988Oil Pump · seal failedIN-FLIGHT, OIL PUMP CASE SEAL FAILURE. SILK THREAD DISPLACED FROM PARTING FLANGE. INSPECTIONS REVEALED WARP AT PARTING FLANGE. SILICONE USED BY OVERHAUL FACILITY TO SEAL FLANGE. THIS SHOP SUGGESTS FOLLOWING TCM DIRECTIVES FOR SEALER IN THIS AREA. SILICON SDR 95ZZZX1366Gasket · brokenNEW MOONEY M20M AT 124.6, ENGINE OIL PAN GASKET LEAKING. REMOVED AND REPLACED WITH 06B2132C, REVISED PART NUMBER AND GASKET. THE TURBO MOUNT IS LOCATED ON THE SIDE OF THE OIL PAN. BOTH GASKETS LEAKED AT THE LT REAR SIDE. BOTH LW-13306 GASKETS WERE FOUND BRSDR 95ZZZX921Dipstick · looseAIRCRAFT MADE EMERGENCY LANDING DUE TO MASSIVE OIL LEAK FROM ENGINE. UPON LANDING, PILOT CHECKED THE ENGINE OIL AND STATED DIPSTICK SEEMED TO BE LOOSE. ACFT WAS MOVED INTO A HANGAR, THE COWLING REMOVED, AND THE ENGINE WASHED DOWN. INSPECTION REVEALED NO VISSDR 95ZZZX502Line · chafe/burnDURING FLIGHT, PILOT NOTICED SMOKE COMING FROM OUTBOARD OF RIGHT NACELLE. PILOT SHUT DOWN ENGINE AS A PRECAUTION AND RETURNED TO BASE. MAINTENANCE DISCOVERED OIL PRESSURE LINE FROM REAR CASE TO FIREWALL HAD COME IN CONTACT WITH EXHAUST WHICH BURNED A HOLE THSDR 95ZZZX564Pick-Up Tube · crackedTHE OIL PICK-UP TUBE, PN 2-1932, WHICH IS PART OF THE INVERTED OIL SYSTEM OF STC 3E7CE, IS CRACKED THROUGH THREE-FOURTHS OF ITS CIRCUMFERENCE ABOUT 1.50 INCHES FROM THE END TO WHICH THE SWINGING PICK-UP IS ATTACHED. CRACK WAS FOUND WHEN THE STC REQUIRED INSPESDR 95ZZZX578Elbow · bogus partOIL PRESSURE LINE LEAKING AT 45 DEGREES, ELBOW EXITING THE CRANKCASE. REPLACED AUTOMOBILE FITTING WITH MS20823-4D FITTING WITH A NR 60 RESTRICTOR. ALSO, REPLACED OIL PRESSURE LINE FROM CRANKCASE TO FIREWALL.SDR 95ZZZX397Oil Pump · wornAFTER ONLY 2.4 HOURS TIME IN SERVICE AFTER MAJOR OVERAHAUL, OIL PUMP WAS REPORTED TO BE PRODUCING ONLY 12 POUNDS PRESSURE AT FULL POWER. OIL PUMP GEARS WERE FOUND SEVERELY WORN AND ENGINE WAS REMOVED AND SHIPPED BACK TO CRS NR 1AXR223L WHERE IT HAD BEEN OVERH
Back to JASC 8550