JASC 3421

Service difficulty reports · 1,143

Reports filed under 3421 · Attitude 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 = '3421'
  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 DL76L972456Att Indicator · failedSTBY ATT INDICATOR FAILED AFTER T/O. REPLACED STATIC INVERTER, CENTER ILS PROCESSOR, AND STANDBY ATT INDICATOR. SYSTEM CHECKS NORMAL.Nov 24, 1997 · N180DN · Boeing 767332SDR HEEA0012073Synchro · brokenCASE BROKEN.Nov 19, 1997 · N515KA · Bell 206L3SDR HEEA0012044Indicator · precessesATTITUDE PRECESSES IN AIRCRAFT.Nov 19, 1997 · N1202T · Bell 412SDR HEEA0012027Indicator · precessesATTITUDE INDICATOR PRECESSES EXCESSIVELY IN ROLL AXIS.Nov 18, 1997 · N108X · Bell 412SDR HEEA0012026Gyro · malfunctionAFTER ONE HOUR OF FLIGHT TIME NR1 PITCH KICKS.Nov 18, 1997 · N1547D · Skrsky S76ASDR 97ZZZX5077Indicator · failedHORIZON REFERENCE INDICATOR WILL NOT CAGE.Nov 18, 1997 · N206BY · Bell 206B3SDR 97ZZZX5157Indicator · failedATTITUDE GYRO INDICATOR WILL NOT HOLD ATTITUDE.Nov 14, 1997 · N90322 · Bell 206BSDR 98ZZZX282Artificial Horiz · noisyARTIFICIAL HORIZ CAUSES CSAS PITCH ACTUATOR TO FLUCTUATE. SIGNAL OUT OF PINS, X AND Y ARE TOO NOISY SIMULATING PITCH UP OR DOWN. REMOVED AND REPLACED.Nov 13, 1997 · N911MZ · Bolkms BK117A3SDR MVH0064177Gyro · failedINSTALLED OVERHAULED ATTITUDE INDICATOR. WITHIN 5 HOURS, UNIT SHOWED SIGNS OF BEING UNSTABLE IN-FLIGHT SUCH AS AUTOPILOT WOULD NOT STAY ENGAGED; THEN, INDICATOR GOT WORSE AND NOW WILL ROLL OVER IN-FLIGHT.Nov 12, 1997 · N63CF · Aerosp SA365NSDR HEEA0011962Indicator · failedUPON INSTALLATION, ATTITUDE INDICATOR CAUSED CIRCUIT BREAKER TO POP. REPLACED WITH SERVICEABLE PART.Nov 12, 1997 · N107PH · Bell 206B3SDR HEEA0011959Indicator · inoperativeATTITUDE INDICATOR INOPERATIVE.Nov 12, 1997 · N81992 · Bolkms BO105SSDR HEEA0011851Indicator · failedATTITUDE INDICATOR WON'T STAY ERECT IN AIRCRAFT. TIME SINCE REPAIR 77:05.Nov 10, 1997 · N1202T · Bell 412SDR HEEA0011787Indicator · failedATTITUDE INDICATOR INOPERATIVE.Nov 5, 1997 · N107X · Bell 412SDR EIAA970203Vertical Gyro · failedSEA - CAPTAINS ATTITUDE FLAG APPEARED WITH RED WARNING ARROW, ATTITUDE INST SPILLED AND THEN RE-ERRECTED AND DURING TURN TO RETURN TO SEA, INSTRUMENT REMAINED FROZEN IN PLACE. REMOVED AND REPLACED VERTICAL GYRO PER MM 34-27-1 SYSTEM TESTED NORMAL. (M)Nov 3, 1997 · N933F · Doug DC933FSDR HEEA0011673Gyroscope · inaccurateAIRCRAFT PORPOISES, ROLLS SIDE TO SIDE.Oct 22, 1997 · N5748M · Bell 214STSDR HEEA0011672Gyroscope · defectiveGYROSCOPE SLOW TO RESPOND.Oct 22, 1997 · N6957Y · Bell 214STSDR HEEA0011607Gyro · malfunctionedUNIT ROLLED TO THE INVERTED POSITION AND STAYED THERE FOR GROUND RUN AND POWER CHECK. AIRCRAFT WAS HOVERED AND TEST FLOWN FOR FURTHER OBSERVATION. GYRO ROLLED UPRIGHT BUT DID NOT REFLECT PROPER ALTITUDE.Oct 21, 1997 · N134AE · Bolkms BK117B2SDR 97ZZZX5056Indicator · defectiveBAD INPUTS TO YAW CSAS. NOTE: RED IMPACT INDICATOR. REMOVED AND REPLACED.Oct 19, 1997 · N911MZ · Bolkms BK117A3SDR 97ZZZX5053Gyro · failedGYRO SLOW TO TURN UP. REMOVED AND REPLACED.Oct 17, 1997 · N4UV · Bell 230SDR HEEA0011552Gyroscope · faultyGYRO SLOW AND ERECT.Oct 16, 1997 · N8045T · Bell 214STSDR HEEA0011547Gyro · defectiveVERT GYRO CAUSING ADI TO JUMP ERRATICALLY.Oct 16, 1997 · N5426U · Skrsky S76ASDR HEEA0011546Gyro · faultyVERT GYRO SLOW TO ERECT. TIME SINCE REPAIR 124:50.Oct 16, 1997 · N5426U · Skrsky S76ASDR HEEA0011542Gyro · inoperativeVERT GYRO INOPERATIVE.Oct 16, 1997 · N5128 · Skrsky S76ASDR HAIHQEA0016Gyro · defectiveSTANDBY HORIZ GYRO WILL NOT ERECT. INSTALLED 0.0 TSO REPLACEMENT UNIT.Oct 16, 1997 · N4NH · Agusta A109A2SDR 97ZZZX5051Gyro · failedGYRO WILL NOT SPOOL UP COMPLETELY. REMOVED AND REPLACED.Oct 13, 1997 · N4UV · Bell 230SDR HEEA0011447Attitude Gyro · faultyATTITUDE GYRO WILL NOT STAY CAGED.Oct 10, 1997 · N6610E · Bell 206L3SDR HEEA0011429Gyro · malfunctionARTIFICAL GYRO +5 TO 10 DEGREE CONSTANT LEFT BANK.Oct 10, 1997 · N134AE · Bolkms BK117B2SDR HEEA0011428Gyro · malfunctionHORIZON GYRO FRONT GLASS FOGGED, SLOW OPERATION.Oct 10, 1997 · N134AE · Bolkms BK117B2SDR HEEA0011423Indicator · malfunctionATTITUDE INDICATOR ROLLS LEFT 10 TO 30 DEGREES.Oct 10, 1997 · N7128R · Bell 412SDR HEEA0011163Vertical Gyro · failedVERT GYRO CAUSING KICKING IN AFCS PITCH CHANNEL.Oct 2, 1997 · N1547D · Skrsky S76ASDR HEEA0011161Indicator · failedATTITUDE GYRO WILL NOT REMAIN ERECT.Oct 2, 1997 · N21498 · Bell 412SDR CA971016008Vertical Gyro · inoperative(CAN) ON TAKEOFF, CAPTAIN'S ATTITUDE INDICATOR GYRO AND COMPUTER FLAG CAME UP. DURING ABORT, FLAG WENT AWAY. DURING TAXIING FLAGS DISPLAY WAS INTERMITTENT. THE VERTICAL GYRO WAS REPLACED AND OPERATIONAL CHECK CARRIED OUT SERVICEABLE.Sep 23, 1997 · Doug DC932SDR 97ZZZX4378Servo Amp · failedRECEIVED REPAIRED SERVO AMP UNIT FROM LEARJET, REMOVED FROM BOX, UNIT OPERATED NORMALLY FOR 5 MINUTES AFTER WHICH TIME AN ELECTRICAL BURNING SMELL WAS EMITTED AND UNIT QUIT OPERATING. RETURNED SAME TO LEARJET FOR REPLACMENT. RECEIVED SECOND UNIT. INSTALLED Sep 15, 1997 · N752CA · Lear 25BSDR HEEA0010994Indicator · intermittentATTITUDE INDICATOR INTERMITTENT. TIME SINCE REPAIR 0:00.Sep 10, 1997 · N142PH · Bell 412SDR DHL97804005Vert Gyro · failedIN FLIGHT, WITH CHANGES IN PITCH AND BANK, CAPTS ADI FLUCUATES TO VARIOUS PITCH AND BANK ERRONEOUS READINGS. ANNUNCIATOR FLASHES ON AND OFF. REPLACED CAPT VERTICAL GYRO PER M/M 34-20.Sep 7, 1997 · N804DH · Doug DC873FSDR REXA97234Horizon Gyro · inopGYRO FLAGGED ON FO ATTITUDE INDICATOR. REMOVED AND REPLACED FO'S GYRO HORIZON. (M)Aug 27, 1997 · N304PX · Bag JETSTM3101SDR HEEA0010831Vertical Gyro · malfunctionPITCH CHANNEL KICKING.Aug 21, 1997 · N1547D · Skrsky S76ASDR HEEA0010809Vertical Gyro · malfunctionPITCH CHANNEL KICKS.Aug 20, 1997 · N1547D · Skrsky S76ASDR HEEA0010783Indicator · malfunctionFLAG WILL NOT PULL. SENT TO B.F. GOODRICH AEROSPACE FOR INSPECTION AND REPAIR.Aug 20, 1997 · N7077B · Bell 206L4SDR HEEA0010780Gyro · malfunctionGYRO PRECESSES AND SLOW ERECTION RATE. TIME SINCE REPAIR 452:05.Aug 20, 1997 · N4180F · Bell 206L3SDR RAIA970818Vertical Gyro · failedFLT 7476 - STL - WEATHER RADAR DOES NOT PAINT KNOWN CELLS. PAINTS SOLID RED BANDS. MAINTENANCE REPLACED NR 1 VERTICAL GYRO. (M)Aug 19, 1997 · N429AM · Bag JETSTM3201SDR HEEA0010772Gyro · failedHORIZ GYRO TUMBLED IN FLIGHT.Aug 19, 1997 · N911RZ · Bolkms BK117A4SDR HEEA0010764Indicator · wornATTITUDE INDICATOR BEARINGS ARE WORN.Aug 19, 1997 · N15460 · Skrsky S76ASDR DHL97804003Instr Amp · inoperativeDURING TURNS, HEADING LIGHT ILLUMINATES ON ANNUNCIATOR. CAPTS ADI SHOWS 20 DEGREE BANK IN LEVEL FLIGHT. REMOVED AND REPLACED INSTRUMENT AMP. OPS CHECKED OK. REMOVED AND REPLACED NR 1 VG. OPS CHECKED GOOD.Aug 7, 1997 · N804DH · Doug DC873FSDR HEEA0010566Indicator · defectiveATTITUDE INDICATOR PITCHBALL IS RATCHETY.Aug 6, 1997 · N5759N · Bell 412SDR HEEA0010551Indicator · wont cageATTITUDE INDICATOR WILL NOT CAGE.Aug 5, 1997 · N350BZ · Snias AS350B2SDR TC8A97039Vertical Gyro · failedKMIA, TRIP NR 00448, FO'S ATTITUDE INDICATOR SHOWS 10 DEGREES TILT, NO FLAG. REMOVED AND REPLACED NR 2 VERTICAL GYRO, SYSTEM OPS NORMAL MM34-20-1.Jul 30, 1997 · N182SK · Doug DC8F55SDR REXA97206Attitude Ind · dirtyCAPTAINS ATTITUDE INDICATOR HAS OIL FILM ON FACE, INSIDE, MAKES IT DIFFICULT TO SEE IN SOME LIGHT. REMOVED AND REPLACED LEFT ATTITUDE INDICATOR, OPS CHECKED GOOD. (M)Jul 21, 1997 · N300PX · Bag JETSTM3101SDR HEEA0010510Gyro · malfunctionGYRO STUCK IN A RIGHT ROLL POSITION, RADAR WILL NOT PAINT CORRECTLY.Jul 16, 1997 · N230UN · Bell 230SDR ARWA970606Vertical Gyro · shortedF/O ADI INTERMITTENT FLAG ON ADI WHEN MANUVERING, RETURNED TO MIA FOR REPAIR. FOUND F/O'S VERTICAL GYRO EXTERNAL CASE SHORTED, 115V AT CASE. REMOVED AND REPLACED VERTICAL GYRO, OPS CHECK NORMAL IAW M/M 34-25-0.Jul 10, 1997 · N1803 · Doug DC862
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