JASC 7420
Service difficulty reports · 213
Reports filed under 7420 · Ignition Harness (Distribution), 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 = '7420' 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 = '7420' 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 97ZZZX4812P Lead · shortedFORCED LANDING DUE TO ENGINE STOPPAGE. INVESTIGATION DETERMINED ENGINE STOPPAGE DUE TO WIRE BETWEEN MASTER SWITCH LOCATED ABOVE AND LEFT OF PILOT'S HEAD AND THE OVERVOLTAGE RELAY LOCATED ON RIGHT UPPER SIDE OF ENGINE FIREWALL BECOMING EXTREMELY HOT. THE EXTRSDR 97ZZZX3528Primary Lead · open wireFLT 60 - PRECAUTIONARY SHUT DOWN NR 4 ENGINE AT 0003Z DUE TO ENGINE ROUGHNESS NR 4 ENGINE NR 4 CYLINDER BOTH DISTRIBUTORS HAD AN OPEN AND THEN LOW COMRPESSION PATTERNS. MAINTENANCE REPLACED Y-LEAD, FRONT PLUG AND SHORT LEAD. AIRCRAFT RETURNED TO SERVICE. (XSDR HEEA0010011Igniter Lead · arcingIGNITER LEAD ARCING FROM SHIELD.SDR 97ZZZX2680Lead · shortedAIRCRAFT WAS EN ROUTE CLIMBING THROUGH 7,000 FEET IN VISABLE PRECIPITATION WHEN LEFT ENGINE STARTED RUNNING ROUGH. AIRCRAFT DIVERTED TO FORT WAYNE, INDIANA. MX FOUND WATER HAD SHORTED OUT HIGH TENSION LEAD CAUSING MISFIRING. REPLACED LEAD. AIRCRAFT RETURNESDR HAIHEEA9668Igniter Lead · defectiveIGNITER LEAD END CONNECTOR MISSING PIECE.SDR 97UAL900180Lead Assy · shortedSTATUS MESSAGE R2 IGN APPROXIMATELY ONE HOUR INTO FLIGHT. AIRCRAFT RETURNED TO FIELD. *S/D* IGNITOR LEADS AND EXCITERS FROM R1 AND R2 RETURNED TO PRATT AND WHITNEY FOR INVESTIGATION. UPDATE: R2 EXCITER (10-621630-1) AT FIFTY PERCENT OUTPUT. R1 IGNITION LSDR 97ZZZX269Lead · defectiveDURING INSPECTION, LEFT ENGINE OUTBOARD IGNITER WOULD NOT OPS CHECK. FOUND IGNITION CABLE DEFECTIVE DUE TO AN INTERNAL FAULT. COULD NOT DETERMINE CAUSE AS EXTERNAL INSPECTION OF IGNITION CABLE APPEARED SERVICEABLE.SDR 97ZZZX1Harness · defectiveALTHOUGH THIS PROBLEM OCCURRED ON AN EXPERIMENTAL ACROBATIC AIRCRAFT, IT IS BELIEVED IT COULD OCCUR ON ANY NEW ENGINE APPLICATION. THE SPARK PLUG NUT IS SEIZED TO THE DRIVE FERRULE MAKING REMOVAL FROM THE SPARK PLUG IMPOSSIBLE WITHOUT HOLDING THE DRIVE FERRULSDR 96ZZZX5690Cable Assy · wornIGNITER CABLE ASSY WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW 2 EACH UNITS, CORRECTED PROBLEM.SDR 96ZZZX5689Cable Assy · wornIGNITER CABLE ASSY WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW 2 EACH UNITS, CORRECTED PROBLEM.SDR CA960619006Ignitor Cable · moisture(CAN)NO IGNITION, MOISTURE NOTICED IN IGNITOR TIPS. TWO IGNITORS AND CABLE ASSEMBLIES REPLACED. 953.6 HOURS THIS INSTALLLATION. AIRCRAFT RETURNED TO SERVICE.SDR 96ZZZX4146P-Lead · shortingTROUBLESHOOTING FOR INTERMITTENT INOPERATIVE CONDITION ON RT MAGNETO FOUND P-LEAD SHORTING WHERE IT EXITS THROUGH FIREWALL. REPLACED P-LEADS AND INSTALLED PLASTIC SLEEVING.SDR RRXA9600004Ignition Lead · failedFLT 28 - KDAY-KRDU, THE NR 4 ENGINE FLAMED-OUT AT THE TOP OF DECENT. THE ENGINE FLAME-OUT CHECKLIST WAS PERFORMED AND THE ENGINE RESTARTED WITH IN 10 SEC. MAINTENANCE INSPECTED THE IGNITION SYSTEM AND FOUND THE A-SYSTEM IGNITION LEAD HAD SIGNS OF ARCING.
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