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 99ZZZX1708Directional Gyro · malfunctionedDIRECTIONAL GYRO PRESETS 10 DEGREES OFF OF MAG COMPASS. REMOVED AND REPLACED.Mar 31, 1999 · N500DC · Hughes 369DSDR 99ZZZX1550Gyro · malfunctionedGYRO DOES NOT FLAG. REMOVED AND REPLACED.Mar 22, 1999 · N1097J · Hughes 369DSDR HEEA060910Gyro · inoperativeGYRO WILL NOT SPIN UP, NO OUTPUT.Feb 23, 1999 · N2761X · Bell 206L1SDR HEEA060909Gyro · precessingDIRECTIONAL GYRO PRECESSES 30 DEGREES IN 5-10 MINUTES.Feb 23, 1999 · N2272V · Bell 206B3SDR HEEA060906Gyro · precessingDIRECTIONAL GYRO PRECESSES IN-FLIGHT.Feb 23, 1999 · N5742N · Bell 206L1SDR HEEA060663Gyro · malfunctionedFLAG INTERMITTENTLY PULLS THEN DROPS BACK DOWN. BENCH CHECK UNIT. FLAG INTERMITTENTLY PULLS THEN DROPS INTO VIEW UNTIL ROTOR ATTAINS A SPEED OF 22,000 RPM AND FLAG WILL PULL OUT OF VIEW. THIS FLAG CIRCUIT FUNCTIONS PROPERLY. UNIT BENCH CHECK GOOD.Feb 16, 1999 · Bell 206L3SDR HEEA060168Gyro · precessesDIRECTIONAL GYRO PRECESSES EXCESSIVELY.Jan 22, 1999 · N5007Q · Bell 206L1SDR HEEA060107Transmitter · failedTRANSMITTER HAS NO OUTPUT.Jan 21, 1999 · N59806 · Bell 214STSDR VNAA9901022Flux Valve · damagedTHE CREW REPORTED A POSSIBLE LIGHTNING STRIKE TO THE AIRCRAFT ON THE DESCENT INTO PIT. MAINTENANCE COMPLIED WITH A LIGHTNING STRIKE INSPECTION AND FOUND DAMAGE ON THE RIGHT ELEVATOR TRAILING EDGE. THE ELEVATOR DAMAGE WAS REPAIRED PER 51-77-10. ALSO, MAINTENJan 18, 1999 · N422JS · Dorner DO328100SDR 2000ZZZX745Plate · looseFACE PLATE WORKED LOOSE FROM MAIN HOUSING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jan 8, 1999 · N102LN · Snias AS350B2SDR SWIA971356Flux Detector · failedNUMBER 2 AHRS FAILURE IN FLIGHT, NO GYRO ON FO SIDE. RETURNED TO SLC. MEL 12-30-98. REMOVED AND REPLACED NUMBER 2 RIGHT FLUX DETECTOR AND ADJUSTED SYSTEM. WORK DONE IAW MM 34-21-03. OPS CHECKS GOOD.Dec 30, 1998 · N188SW · Emb EMB120ERSDR HEEA059899Hsi · malfunctionedHSI LOCKS UP IN ARNAV MODE, C/S NEEDLES PEG ON BOTH HSI. TIME SINCE REPAIR 84:50 HOURS.Dec 22, 1998 · N3897N · Bell 214STSDR AU981642Indicator · failed(AUS) CREW REPORTED AN ELECTRICAL SMELL IN THE COCKPIT, CO-INCIDENT WITH CAPTAIN'S RADIO MAGNETIC INDICATOR U/S FLAG AND ADF NR 2 NEEDLE FREEZING AND TRIPPING OF 26VAC ADF NR 2 CIRCUIT BREAKER.Dec 14, 1998 · Dhav DHC8102SDR HEEA0016859Gyro · failedHORIZONTAL GYRO DOES NOT CAGE.Dec 2, 1998 · N437PH · Bell 407SDR 98ZZZX4691Gyro · failedPILOT'S DIRECTIONAL GYRO FAILED. REMOVED AND REPLACED WITH OVERHAULED UNIT, S/N 3098862.Nov 23, 1998 · N5727 · Beech 100BEECHSDR HEEA0016698Transmitter · failedTRANSMITER WILL NOT SLAVE.Nov 6, 1998 · N911TL · Bolkms BK117B1SDR HEEA0016641Gyro · malfunctionedGYRO HAS INTERMITTENT OUTPUT TO HSI INDICATOR.Nov 5, 1998 · N86CH · Bolkms BO105SSDR CA981116003Gyro · failed(CAN) RIGHT HAND ADI GYRO FLAGGING NUMEROUS TIMES.Nov 2, 1998 · Gulstm G159SDR CA981116002Gyro · failed(CAN) LEFT ADI TOPPLED.Oct 29, 1998 · Gulstm G159SDR HEEA0016532Transmitter · failedPILOTS RMI WILL NOT SLAVE TO MAG COMPASS.Oct 28, 1998 · N21498 · Bell 412SDR HEEA0016531Transmitter · looseFLANGE LOOSE FROM HOUSING.Oct 28, 1998 · N2261D · Bell 412SDR HEEA0016530Transmitter · fluctuatesTRANSMITTER FLUCTUATES WHEN VIBRATES.Oct 28, 1998 · N7128R · Bell 412SDR HEEA0016420Flux Valve · inaccurateREADING IS OFF 80 DEGREES.Oct 23, 1998 · N5010F · Bell 212SDR HEEA0016419Valve · incorrectCOMPASS HAS INCORRECT HEADINGS, OUTPUT UNRELIABLE.Oct 23, 1998 · N5010F · Bell 212SDR HEEA0016413Flux Valve · inoperativeCOMPASS IS INOPERATIVE, IT HAS ERRATIC OUTPUT.Oct 23, 1998 · N5736J · Bell 212SDR HEEA0016354Transmitter · failedTRANSMITTER WILL NOT SLAVE IN MAG.Oct 23, 1998 · N6957Y · Bell 214STSDR VJ9800510Directional Gyro · unserviceableNR 1 COMPASS SYSTEM FLAGS WOULD PERIODICALLY APPEAR WITH INSTRUMENT FAILURE LIGHT. SUBSEQUENTLY NR 2 COMPASS FLAGS APPEARED. IN ADDITION EXPERIENCED BLEED THRU AND INTERMITTENT COMMUNICATION ON NR 1 AND NR 3 COMM. FLIGHT CREW ELECTED TO RETURN TO DEPARTING Oct 5, 1998 · N938VV · Doug DC932SDR HEEA0016022Gyro · precessingDIRECTIONAL GYRO INDICATOR PRECESSES AND DOES NOT SLAVE CORRECTLY.Sep 11, 1998 · N50182 · Bell 206L1SDR HEEA0016021Gyro · precessingDIRECTIONAL GYRO INTERMITTENTLY PRECESSES IN SLAVE MODE.Sep 11, 1998 · N1078G · Bell 206L1SDR CA980922021Corrector · damaged(CAN) HSI NOT WORKING CORRECTLY. FOUND COMPASS CORRECTOR NOT CONNECTED AND THE NORTH-SOUTH ADJUSTING POLE DAMAGED.Sep 10, 1998 · Piper PA23250SDR HEEA0015874Gyro · precessingDIRECTIONAL GYRO PRECESSES.Aug 27, 1998 · N206LS · Bell 206L3SDR HEEA0015830Gyro Compass · damagedGYRO COMPASS HAS LOOSE HARDWARE IN ASSY.Aug 27, 1998 · N1545K · Skrsky S76ASDR HEEA0015757Gyro · failedROTOR WILL NOT SPIN ON DIRECTIONAL GYRO. TIME SINCE REPAIR 71:00 HOURS.Aug 25, 1998 · N719PH · Bell 407SDR HEEA0015290Gyro · brokenDIAL SCREW BACKED OUT OF CENTER DIAL SHAFT AND IS WEDGED BETWEEN DIAL AND FLAG IN DIRECTIONAL GYRO.Jul 27, 1998 · N719PH · Bell 407SDR EISA98166Directional Gyro · inoperativeNR 2 HSI AND NR 1 COMPASS (RMI) INOPERATIVE, AIR TURN BACK TO BRADLEY. INSTALLED SERVICEABLE NR 2 DIRECTIONAL GYRO. OPS CHECK SATISFACTORY. (M)Jul 7, 1998 · N240NE · Boeing 72731SDR 98ZZZX2682Flux Detector · shortedGYRO CIRCUIT BREAKER TRIPPED 6 MINUTES INTO FLIGHT. CIRCUIT BRAKER WOULD NOT RESET. DISCOVERED THE FLUX DETECTOR P/N FDO103011 HAD SHORTED INTERNALLY CAUSING THE GYRO CIRCUIT BREAKER TO TRIP. FLUX DETECTOR WAS REPLACED. AIRPLANE RETURNED TO SERVICE.Jul 7, 1998 · N6604C · Cessna 414ASDR HEEA0015151Indicator · malfunctionedCOURSE POINTER ON INDICATOR IS INOPERATIVE.Jul 1, 1998 · N911EB · Bolkms BO105SSDR HEEA0015148Gyro · inoperativeDIRECTIONAL GYRO IS INOPERATIVE.Jul 1, 1998 · N132AE · Bolkms BK117B2SDR HEEA0015147Gyro · precessesDIRECTIONAL GYRO PRECESSES EXCESSIVELY.Jul 1, 1998 · N4302G · Bolkms BO105SSDR HEEA0015104Gyro · precessingDIRECTIONAL GYRO PRECESSES EXCESSIVELY IN UNSLAVE MODE.Jul 1, 1998 · N2772A · Bell 206L1SDR HEEA0015046Gyro · malfunctionedFLAG WILL NOT PULL. POWER FAILURE FLAG ADJUSTMENT IS SET TOO HIGH (24.1 VOLTS). POWER FAILURE FLAG SHOULD BE SET AT 22.5 VOLTS.Jun 29, 1998 · N4282Z · Bell 206L3SDR 98ZZZX2786Gyro · failedDIRECTIONAL GYRO INOPERABLE. REMOVED AND SENT FOR REPAIR.Jun 23, 1998 · N500DC · Hughes 369DSDR HEEA0014865Transmitter · malfunctionedFLUX VALVE FREQUENCY BETWEEN F AND B AND F AND C IS HIGH ON TRANSMITTER.Jun 22, 1998 · N22608 · Bell 412SDR TC8A98035Gyro · replacedTRIP NR 2003, NR 1 COMPASS FLAG CAME ON DURING TAKEOFF. REMOVED NR 2 DIRECTIONAL GYRO, OPS CHECKS GOOD IAW MM 34-5-4.Jun 17, 1998 · N182SK · Doug DC8F55SDR HEEA0014733Gyro · inoperativeDG ROTOR WILL NOT SPIN. TIME SINCE REPAIR 0:00.Jun 11, 1998 · N5007Y · Bell 206L1SDR HEEA0014700Gyroscope · malfunctionedHORIZONTAL GYRO WILL NOT ERECT AND NO CURRENT DRAWN.Jun 10, 1998 · N293CA · Bell 412SDR HEEA0014628Gyro · malfunctionedDIRECTIONAL GYROSCOPE PRECESSES.Jun 8, 1998 · N3181Y · Bell 206B3SDR HEEA0014600Gyroscope · malfunctionedDIRECTIONAL GYRO SLAVES BACKWARDS.Jun 4, 1998 · N50182 · Bell 206L1SDR HEEA0014567Gyro · inoperativeGYRO ROTOR WILL NOT SPIN.Jun 4, 1998 · N8591X · Bell 206L3SDR RAIA980516Valve · failedFLT 7219 - STL - AHRS HEADING COMPARATOR WARNING ILLUMINATED ON TAKEOFF ROLL. MAINTENANCE REPLACED LEFT FLUX VALVE. (M)May 29, 1998 · N556HK · Jetair JETSTM4101
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