JASC 3422

Service difficulty reports · 650

Reports filed under 3422 · Directional Gyro and Indicating 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 = '3422'
  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.

SDR HEEA0010410Gyro · precessesDIR GYRO PRECESSES EXCESSIVELY.Jul 9, 1997 · N5019F · Bell 206L1SDR HEEA0010409Gyro · precessesDIR GYRO PRECESSES EXCESSIVELY.Jul 9, 1997 · N5748Q · Bell 206L1SDR HEEA0010400Gyro · malfunctionDIR GYRO DOES NOT SLAVE (PRECESSES)Jul 9, 1997 · N1073W · Bell 206L1SDR HEEA0010345Gyro · defective90 OFF WHEN AIRCRAFT TURN QUICK 180 ON SWING.Jun 26, 1997 · N363BH · Bell 206L3SDR HEEA0010302Flux Valve · malfunctionFLUX VALVE CAUSES HSI TO SEARCH. FLUX VALVE IS 15 FEET OFF.Jun 26, 1997 · N911EB · Bolkms BO105SSDR HEEA0010292Indicator · inaccurateCOURSE INDICATOR INACCURATE HEADING PRECESSES. TIME SINCE REPAIR 147:55.Jun 26, 1997 · N3538T · Bolkms BO105SSDR 97ZZZX3317Directional Gyro · failedOUT OF KMIA/SPIM, NR 1 COMPASS SHOWED 15 DEGREES OFF STANDBY AND NR 2 COMPASS SHOWED 15 DEGREES OFF COURSE, HEADING LIGHT ON STEADY IN INSTRUMENT COMPARATOR. FOUND NR 2 DG FAILED SLAVE CHECK, REPLACED NR 2 DIRECTIONAL GYRO. REPLACED NR 1 DG, AND NR 1 INSTRUMJun 25, 1997 · N161DB · Doug DC861SDR 97ZZZX3580Directional Gyro · defectiveTOTAL TIME INSTALLED 221.2 HOURS. INTERMITTENT - GYRO SLOW TO SPOOL AND SPINS IN-FLIGHT. REMOVED AND REPLACED.Jun 19, 1997 · N317MC · Bolkms BK117C1SDR 9711639911Servo · failedDURING CLIMBOUT, NR 1 COMPASS STARTED AN IMMEDIATE DRIFT WITH NO SLAVING WHEN ALIGNED TO PROPER HEADING. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED NR 1 COMPASS RACK, SERVO, AND SLAVE AMPLIFIERS, OPERATIONAL CHECK NORMAL.Jun 14, 1997 · N961N · Doug DC931SDR HEEA0010101Indicator · inoperativeINDICATOR FAULTY. VOR GUIDE SLOPE INOPERATIVE.Jun 12, 1997 · Skrsky S76ASDR HEEA0010046Gyro · precessesDIR GYRO EXCESSIVE PRECESSING.Jun 5, 1997 · N31801 · Bell 206L3SDR HEEA0010045Gyro · precessesDIR GYRO PRECESSES.Jun 5, 1997 · N1073W · Bell 206L1SDR HEEA0010044Gyro · precessesDIR GYRO PRECESSES.Jun 5, 1997 · N31821 · Bell 206L3SDR CA970618013Directional Gyro · failed(CAN) SMOKE FILLED COCKPIT WHILE AIRCRAFT WAS ON GROUND. DIRECTIONAL GYRO WAS BURNT INTERNALLY. GYRO REPLACED ALONG WITH CIRCUIT BREAKER THAT FAILED TO TRIP.May 24, 1997 · Bell 206BSDR 97ZZZX3614Gyro · driftsDIRECTIONAL GYRO DRIFTS OFF HEADING. FAILED AFTER ONLY 4.5 HOURS OPERATION.May 14, 1997 · N4493X · Bolkms BK117A3SDR HAIHEEA9869Gyro · failedGYRO ROTOR WILL NOT SPIN.May 13, 1997 · N16938 · Bell 206L1SDR HAIHEEA9735Indicator · failedFLAG WILL NOT PULL AND NEEDLE POINTS DIFFERENTLY.Apr 30, 1997 · N125CS · Braero HS125700ASDR HAIHEEA9719Transmitter · defectiveTRANSMITTER DRAWS EXCESSIVE CURRENT.Apr 30, 1997 · N3893P · Bell 412SDR 97ZZZX2096Gyro · shortedEXCITATION WIRE SHORTED TO CHASIS GROUND CAUSING THE HEADING OUTPUT TO BE INOPERABLE. SUBMITTER SUGGESTS TO INSULATE WIRE BUNDLE FROM CHASIS DURING THE ROUTING OF THE BUNDLE.Apr 29, 1997SDR HAIHEEA9562Gyro · precessesDIR GYRO PRECESSES.Apr 24, 1997 · N39122 · Bell 206B3SDR HAIHEEA9560Transmitter · defectiveTRANSMITTER DRAWS EXCESSIVE CURRENT.Apr 24, 1997 · N3893P · Bell 412SDR HAIHEEA9554Gyro · failedDIR GYRO WILL NOT SLAVE AND HAS EXCESSIVE PRECESSION.Apr 23, 1997 · N10778 · Bell 206L1SDR HAIHEEA9553Gyro · defectiveDIR GYRO PRECESSES AND GLASS IS CRACKED.Apr 23, 1997 · N5007Q · Bell 206L1SDR HAIHEEA9552Gyro · precessesDIR GYRO PRECESSES EXCESSIVELY.Apr 23, 1997 · N2125M · Bell 206L1SDR HAIHEEA9534Gyro · precessesGYRO PRECESSES EXCESSIVELY AND FLAG INTERMITTENTLY STICKS.Apr 23, 1997 · N6161A · Bell 206L3SDR HAIHEEA9533Gyro · precessesDIR GYRO PRECESSES AT AN UNUSUALLY HIGH RATE.Apr 23, 1997 · N2275Y · Bell 206B3SDR HAIHEEA9532Gyro · precessesDIR GYRO PRECESSES EXCESSIVELY.Apr 23, 1997 · N22751 · Bell 206B3SDR HAIHEEA9530Gyro · defectiveDIR GYRO VERY SLOW TO SPOOL UP HSI. CAUSES HSI TO GO OFF LINE.Apr 23, 1997 · N911EB · Bolkms BO105SSDR REXA97104Flux Gate · failedRIGHT AHARS FAILED IN-FLIGHT. REPLACED RT FLUX GATE. (X)Apr 21, 1997 · N363PX · Saab 340BSDR HAIHEEA9366Gyro · shortedD.G. DRAWS EXCESSIVE CURRENT. ROTOR SHORTED TO CASE GROUND.Apr 16, 1997 · N60951 · Snias AS350B2SDR 97ZZZM762Compass · failedNR 1 COMPASS WILL NOT SLAVE, STICKS AT 360 DEGREES.Mar 18, 1997 · N856CA · Beech 1900DSDR RRXA97072Directional Gyro · inoperativeAFTER TAKEOFF, FIRST OFFICER'S NR 2 HSI HAD OFF FLAG. AIRCRAFT RETURNED TO KPDX. WHILE ON GROUND NR 2 RMI FAILED AND NR 1 HSI FAILED, BOTH COMPASS SYSTEM HAVE OFF FLAGS. PERFORMED SYSTEM COMPASS CHECK FOUND NR 2 SYSTEM CHECKED GOOD, CAPTAIN'S AND FO'S RMI Mar 6, 1997 · N801GP · Doug DC871FSDR MWEA97117Directional Gyro · inoperativePILOT REPORTS, AFTER CLIMB THE F/O RMI FLAG CAME INTO VIEW WITH CAPTS HSI FLAG IN VIEW. RETURNED TO MKE. MAINT REMOVED AND REPLACED F/O DG SYSTEM, OPS CHECK GOOD IAW DC9 MM 34-20-00.Feb 26, 1997 · N207ME · Doug DC932SDR 97ZZZX3566Gyro · flag failedDIRECTIONAL GYRO FLAG WILL NOT RETRACT.Feb 15, 1997 · N4UV · Bell 230SDR CA970206017Gyro · rough & noisy(CAN) CREW REPORTED THE #1 RMI AND THE #2 HSI COMPASS WERE READING UNRELIABLY. INSPECTION FOUND THE 332E-4 GYRO TO BE VERY WARM TO THE TOUCH AND NOISY. SERVICEABLE UNIT WAS INSTALLED.Jan 30, 1997 · Beech 200BEECHSDR HEEA978935Gyro · precessesGYRO PRECESSES 8 DEGREES IN 10 MINUTES.Jan 29, 1997 · N206LS · Bell 206L3SDR DHL97721001Directional Gyro · malfunctionedNR 2 COMPASS SYSTEM UNUSEABLE WITH DG SELECTED NR 1. HSI'S WORKS NORMALLY. F/O'S RMI SPUN 360 DEGREES. REPLACED NR 2 DIRECTION GYRO. REPLACED F/O'S RMI INDICATOR. PERFORMED COMPASS SLAVING TEST. OPERATIONAL CHECK NORMAL.Jan 29, 1997 · N721DH · Boeing 727228SDR HEEA978879Transmitter · defectiveBURNS OUT FUSE ON COMPENSATION. ERRATIC OUTPUT ON PIN C.Jan 14, 1997 · N3893P · Bell 412SDR SRAA961208Dir Gyro · failedAFTER TAKEOFF, FOUND NR 1 COMPASS WOULD NOT TURN. DUMPED FUEL AND ACCOMPLISHED AIR TURNBACK TO CHS. FOUND NR 1 DIRECTIONAL GYRO FAULTY. REMOVED AND REPLACED NR 1 DG, SYSTEM OPS CHECKED GOOD PER MM CH 34.Dec 16, 1996 · N910SJ · Lkheed 382ESDR 97ZZZX1398Indicator · malfunctionDG INDICATOR'S OFF FLAG DOES NOT RETRACT.Dec 12, 1996 · N911LW · Bell 222SDR HEEA968705Gyro · precessesPRECESSES 20% EVERY 10 MINUTES.Dec 11, 1996 · N83MT · Bell 206L1SDR COMA9660218Flux Valve · malfunctionCOPILOT'S HSI HEADING DRIFTS 10 DEGREES TO 15 DEGREES, RED HEADING FLAG IN VIEW. REPLACED THE LT FLUX DETECTOR. PART TOTAL CYCLES, 8,180.Dec 2, 1996 · N914CA · Cndair CL6002B19SDR HEEA968362Gyro Compass · precessesGYRO COMPASS EXCESSIVE PRECESSION.Oct 15, 1996 · N724MB · Bolkms BO105SSDR HEEA968248Gyro · defectiveUNIT PRECESSING AND SLAVE SYSTEM INOPERATIVE.Oct 11, 1996 · N5737T · Bell 206L1SDR HEEA968247Gyro · defectiveUNIT PRECESSING AND SLAVE SYSTEM INOPERATIVE.Oct 11, 1996 · N3905B · Bell 206L1SDR HEEA968246Gyro · defectiveUNIT PRECESSING AND SLAVE METER WILL NOT SWING.Oct 11, 1996 · N5793Z · Aerosp AS355F1SDR CA970311053Gyro · broken(CAN) ADJUSTMENT KNOB DOES NOT FUNCTION.Oct 11, 1996 · Snias AS350BSDR HEEA968196Indicator · errorNAV INDICATOR POINTS 60 DEGREES OFF.Oct 10, 1996 · N3208H · Bell 212SDR HEEA968181Gyro · precessingREPORTED UNIT PRECESSING EXCESSIVELY.Oct 10, 1996 · N407PH · Bell 407SDR 96UAL900720Direct Gyro · failedUPON ENGAGEMENT OF THE AILERON CHANNEL OF THE AUTOPILOT, MODE A, HARD UNCOMMANDED ROLL TO THE RIGHT OCCURS. SAME CONDITION OCCURS IN MODE B BUT AT A REDUCED RATE AND CORRECTS ITSELF. REPLACED ROLL COMPUTER AND NR 1 DIRECTIONAL GYRO DUE TO FAILURE.Sep 21, 1996 · N7454U · Boeing 727222
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