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 HEEA083762Lead · burnedIGNITER LEAD END CORRODED AND BURNED. REPLACED WITH SERVICEABLE PART.SDR DBCA1220Ignition Lead · failedNR 2 ENGINE START ATTEMPTED. ENGINE WOULD SPOOL, BUT NOT LIGHT-OFF. PILOT ABORTED START ATTEMPT AND CONTACTED MAINTENANCE. TROUBLESHOT AND FOUND ONE IGNITION LEAD BAD. REPLACED DEFECTIVE LEAD AND BOTH IGNITORS. OPS CHECKED GOOD.SDR XNOA01076Ignition Lead · looseNR 2 ENGINE B IGNITION INOPERATIVE. CLEANED & RESECURED B IGNITION LEAD. OPS CHECK GOOD ON GROUND RUN.SDR XNOA01075Connector · looseUNABLE TO START NR 2 ENGINE WITH "B" IGNITION. RESEATED CONNECTOR PLUG ON "B" IGNITION EXCITER BOX. OPS CHECK NORMAL IAW MM 74-11-01.SDR XNOA01072Lead · failedUNABLE TO START NR 2 ENGINE WITH 'B' IGNITION. SWAPPED IGNITER LEADS IN ACCORDANCE WITH A300MM 74-11-00. OPS CHECK GOOD ON GROUND.SDR NACA20020041Ignition Lead · shortedPRECAUTIONARY SHUTDOWN THE NR 3 ENGINE DUE TO DOUBLE SHORTED SECONDARY ON THE NR 10 CYLINDER. REPLACED SPARK PLUGS, Y-LEAD, SHORT LEADS, AND COIL.SDR HEEA080660Lead · chafedINGNITER LEAD CHAFED. REPAIRED.SDR KBMA113824Ignition Lead · wornIGNITION LEADS, WORN. REPLACED WITH SERVICEABLE LEADS.SDR HEEA078471Lead · chafedIGNITER LEAD CHAFED.SDR AUS20020147Cable · split(AUS) LH ENGINE IGNITION CABLE FROM HIGH ENERGY IGNITION UNIT (HEIU) TO IGNITER PLUG CHAFED THROUGH REINFORCED OUTER LAYER THROUGH TO THE INNER LAYER DUE TO RUBBING AGAINST THE FIREWALL AND OTHER ENGINEMOUNTED COMPONENTS.SDR AUS20020098Ignition Lead · mismanufactured(AUS) ENGINE IGNITER LEADS CAUSING IGNITER PIN EROSION. LEADS ARE A NEW ITEM WITH SHORTER INSULATORS.SDR AUS20011320Ignition Lead · shorted(AUS) IGNITER LEAD INSULATION SHORT.SDR AUS20011311Ignition Lead · chafed(AUS) RT IGNITER LEAD ON BOTH ENGINES CHAFING ON FUEL LINE TO FLOW DIVIDER.SDR 2001F00308Lead · wornHIGH TENSION LEAD WORN. (M)SDR HEEA072702Lead · burnedBURN HOLE IN LEAD.SDR 20010529CW015Harness · contaminatedRT ENGINE STARTED RUNNING ROUGH. PILOT COULD NOT GET AIRCRAFT TO CLIMB. TURNED BACK TO LAND. RT ENGINE STARTED TO LOOSE POWER SO THE RT PROPELLER WAS FEATHERED. FOUND ON INSPECTION OF RIGHT ENGINE, WATER IN IGN HARNESS.SDR HEEA072564Lead · shortedONE OF THE FOUR TANGS ON B RECEPTACLE END BROKEN.SDR HEEA072515Lead · frayedFRAYED. REPLACED WITH SERVICEABLE CABLE.SDR HEEA072502Ignition Lead · inoperativeIGNITION LEAD INOPERATIVE.SDR 20010124CW006Ignition Lead · shortedNR2 AND NR6 CYLINDER IGNITION LEADS ON BOTTOM PLUGS SHORTED OUT, BEHIND IGNITION LEAD SPRING ASSEMBLY.SDR CA010102010Harness · arced(CAN) AFTER TAKEOFF, THE CREW REPORTED HIGH RT N1 VIBRATION, THE FLIGHT CREW DECIDED TO RETURN TO THE BASE.THE MAINTENANCE FOUND THE RED ENGINE HARNESS, THE IDG CABLES, THE THERMOCOUPLE HARNESS AND THE RT LOWER CORE COWL WITH BURNT MARKS. THEY FOUND THE IDG CASDR CA001228032Ignition Lead · shorted(CAN) 7MM IGNITION WIRE INSULATION VERY SOFT. CHAFED BADLY ON INSIDE HARNESS AND EVEN AGAINST OTHER WIRES. CAUSED INTERMITTENT ROUGH MAG IN-FLIGHT.TALKED TO OVERHAUL SHOPS. THEY SAY THERE WAS A POOR BATCH OF WIRE USED ABOUT 4 YEARS AGO, OTHER PROBLEMS WERE SURSDR 20000918SH006Ignition Lead · shortedIGNITION HAD INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)SDR CA000713008Ignition Lead · separated(CAN) DURING ROUTINE MAINTENANCE, THE IGNITION LEAD WAS REMOVED FROM THE IGNITOR PLUG TO FACILITATE REPLACEMENT OF THE PLUG. IT WAS NOTED THAT THE LEAD WAS STUCK IN THE PLUG. REMOVAL OF THE LEAD CAUSED THE PIN TO BECOME DETECHED FROM THE ASSEMBLY. THE LEAD WASSDR 2001F00548Harness · wornPYROMETRIC HARNESS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (M)SDR 20000523SH019Ignition Lead · failedIGNITION NOISE IN RADIO REPORTED BY OWNER. TRACED PROBLEM TO FOUR IGNITION LEADS WITH UNGROUNDED WIRE SHIELDING. SUBMITTER SUSPECTED POOR QUALITY CONTROL/FINAL INSPECTION BY MANUFACTURER. (X)SDR 20000918SH008Ignition Lead · shortedINTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)SDR 20000918SH007Ignition Lead · shortedIGNITION HAD INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)SDR 20000412SH019Ignition Lead · chafedDURING POST-FLIGHT, IGNITION LEAD WAS FOUND CHAFING ON THE LOWER B-NUT OF THE PC AIR REFERENCE LINE ON THE GOVERNOR. FURTHER INSPECTION REVEALED THE ADEL CLAMPS FOR THE LEAD AND LINE, AT THAT POINT, WERE MISSING. REPLACED MISSING CLAMPS. (X)SDR PNSA000104Wire · chafedDURING CLIMB AND IN IMC WITH SNOW LT IGNITION CB POPPED AND WOULD NOT RESET. RETURNED TO BASE, FOUND WIRE CHAFED AT CENTER WING FAIRING FEED THROUGH BL 0.0. REPAIRED WIRE, OPS CHECKED OK.SDR 2000ZZZX741Ignition Lead · shortedIGNITION LEAD HAD INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 2000ZZZX763Ignition Lead · damagedINTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR PLGA9909238Wire Harness · failedBOS - FLT 4658 - ON APPROACH OF FLT 4658 PSI TO BOS, APPROXIMATELY 7 MILES OUT, THE LT ENGINE SHUT DOWN UNCOMMANDED. THE AIRCRAFT LANDED AT BOS WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ENGINE. REPLACED THE ENGINE CONTROL UNIT FUEL FILTER AND OVERSPEED ASDR 99ZZZX4074Lead · wornLEAD WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 2000ZZZX740Ignition Lead · failedIGNITION LEAD HAD INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 99ZZZX3859Ignition Lead · damaged(ALLISON EQUIVALENT P/N 6870855) ON INSPECTION, THE CONTACT SLEEVE AT THE 16NOTOR END WS FOUND TO BE MISSING THE CIRCLIP RETAINER AND THE CONTACT SLEEVE HAD SLIPPED BACK INTO THE INSULATOR.SDR 99ZZZX4076Lead · crackedLEAD CRACKED BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 99ZZZX4075Lead · crackedINSULATOR CRACKED BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR AU990335Lead · misrouted(AUS) ENGINE HIGH TENSION LEADS LYING AGAINST EXHAUST PIPE.SDR 99ZZZX4072Lead · wornLEAD WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR AU990388Harness · failed(AUS) ENGINE IGNITION HARNESS LEAD FAILED.SDR AU990010Ignition Harness · incorrect part(AUS) MAGNETO HARNESS DISTRIBUTOR BACK PLATES (BOTH) FOUND TO BE OVERSIZE PREVENTING CORRECT FITMENT AND SEATING.SDR 99ZZZX704Harness · damagedRUBBER INSULATOR STICKING IN SPARK PLUG. LEAD PULLS LOOSE OF CRIMP ON SRPING END DURING REMOVAL.SDR AU980646Ignitor Lead · broken(AUS) RT ENGINE IGNITOR LEAD BROKEN. THE FOLLOWING DEFECTS IN THE IGNITION SYSTEM WERE ALSO FOUND: 1. RELAY P/N 50-380048-1. 2. FUEL INDICATION CB PANEL CONNECTOR J108 CONTAMINATED WITH MOISTURE AND CORROSION. 3. IGNITOR BOX P/N 10-381550.SDR 98ZZZX1104Harness · damagedDURING TROUBLESHOOTING, ROUGH MAG DROP DISCOVERED DURING RUN-UP. DISCOVERED NYLON TIE WRAPS HOLDING IGNITION HARNESS LEADS TOGETHER IN BUNDLES SO TIGHT THE LEADS WERE DISTORTED. IGNITION LEADS WERE DISCOVERED STRETCHED TIGHT BETWEEN ENGINE AND MOUNT. FAULT SDR CA970421052Exciter · stripped(CAN) STRIPPED THREADS ON CONNECTIONS, POSSIBLY CORROSION. REPLACED.SDR CA970421051Lead · stripped(CAN) STRIPPED THREADS ON LEAD CONNECTOR, CORROSION MAY BE CAUSE. REPLACED.SDR 98ZZZX188Harness · shortedDURING THE COURSE OF NORMAL OPERATION, PILOT NOTICED LEFT ENGINE RUNNING ROUGH. AFTER LANDING, MAINTENANCE DETERMINED THE LEFT MAGNETO HARNESS, NR 5 CYLINDER, BOTTOM LEAD, HAD SHORTED INTERNALLY CAUSING THE SPARK PLUG TO NOT FUNCTION PROPERLY.SDR HEEA0011769Igniter Lead · inoperativeIGNITER LEAD INOPERATIVE.SDR HEEA0011768Igniter Lead · frayedSHIELD FRAYED INSULATOR MISSING AT IGNITOR END.
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