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 CA960925005Gyro · jamming(CAN) F/OS A.D.I. HORIZON CARD KEEPS JAMMING. VG CHANGED AND RESET OF C/B HAD NO EFFECT. F/OS A.D.I. AND GYRO REPLACED. #2 VG TRANSFER RELAY REPLACED AS PER MAINTENANCE REQUEST.Sep 13, 1996 · Boeing 7372T7SDR CA970311014Indicator · bad display(CAN) ATTITUDE INDICATOR FLAG WILL NOT RETRACT.Sep 9, 1996 · Snias AS350BASDR 96ZZZX5704Gyro · inoperativeATTITUDE GYRO INOPERATIVE. ONLY 89.9 HRS SINCE INSTALLED IN A/C.Sep 5, 1996 · N117NG · Bolkms BK117A4SDR 96ZZZX5087Gyro · mismodifiedGYRO MODIFIED FORM ZERO DEGREES TILT PANEL TO 8 DEGREES TILT PANEL. TALKED TO KING. THIS IS NOT AN AUTHORIZED MOD PART NUMBER AND DECAL CHANGED. INDICATOR OUT OF TOLERANCE.Sep 1, 1996SDR 9618349162Gyro · inoperativeDURING CRUISE, CAPTAIN'S GYRO BECAME INOPERATIVE. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED GYRO.Aug 21, 1996 · N8907E · Doug DC914SDR 96ZZZX5767Indicator · failedINDICATOR WILL NOT DROP 'OFF' FLAG. PRECESSES AFTER 4-5 MINUTES.Aug 19, 1996 · N911LW · Bell 222SDR 96ZZZX5768Indicator · malfunctionPRECESSES 8 TO 10 DEGREES NOSE DOWN IN 3 TO 4 MINUTES. DOES NOT FULLY RECOVER FROM NOSE DOWN ATTITUDE.Aug 17, 1996 · N911LW · Bell 222SDR HEEA967669Gyro Indicator · cockpit adiGYRO TUMBLED AND WOULD NOT ERECT.Aug 16, 1996SDR HCMA9651Gyro · defectiveINOP. SEE JUDY SMITH FOR REPLACEMENT PART DATA.Aug 16, 1996 · N193BH · Snias AS350B2SDR ARWA9608003Instrument Amp · failedEN ROUTE FROM JFK TO SJU, NR 2 ADI GYRO FLAG IN VIEW. RESET CIRCUIT BREAKER, NO HELP. INTERMITTENT FLAG IN CRUISE, FLAG IN VIEW AT ALL TIMES DURING DESCENT, DIVERTED TO MIA. REMOVED AND REPLACED NR 2 INSTRUMENT AMP. SYSTEM OPS NORMAL I.A.W. DC-8 MM 34-25-0Aug 13, 1996 · N802BN · Doug DC862SDR 96ZZZX5763Gyro · malfunctionRMI AND HSI CARDS WANDER.Aug 13, 1996 · N4493X · Bolkms BK117A3SDR VTZA96287Adi · failureFLT NR 6515 - JFK-ROC - DURING CLIMB, RETURNED TO IAD DUE TO FLIGHT OFFICERS ADI FAILED. AIRCRAFT RETURNED WITH NO FURTHER INCIDENTS. MAINTENANCE REMOVED AND REPLACED ADI. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)Jul 31, 1996 · N494UE · Bag JETSTM3201SDR 96ZZZX4650Gyro · defectiveGYRO PRECESSES - RECALIBRATE.Jul 31, 1996 · N213AE · Bolkms BK117B1SDR MVH0064105Gyro · malfunctionedGYRO WILL NOT STAY.Jul 30, 1996 · N63CF · Aerosp SA365NSDR DHL96722004Vert Gyro · failedNUMBER 2 VERTICAL GYRO IS INOPERATIVE. REMOVED AND REPLACED GYRO, OPS CHECK GOOD PER MM 34-22-21.Jul 30, 1996 · N722DH · Boeing 727228SDR DHL722004Vert Gyro · inoperativeNR 2 VERTICAL GYRO INOPERATIVE. REMOVED AND REPLACED GYRO. OPS CHECK OK PER MM 34-22-21.Jul 30, 1996 · N722DH · Boeing 727228SDR VTZA96268Control Head · trippedFLT NR 6186 - LYH-IAD - DURING CLIMB, AN UNSCHEDULED LANDING AT LYH DUE TO LEFT ADI/AHRS FAILED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE RERACKED LEFT ADI CONTROL HEAD, OPS CHECK GOOD. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TJul 22, 1996 · N436JX · Jetair JETSTM4101SDR 96ZZZM1305Adi · failedFLT NR 5751 - MIA - PILOT REPORT, FIRST OFFICERS ADI WENT BLANK AND SMOKE WAS SMELLED IN THE COCKPIT. REMOVED AND REPLACED FIRST OFFICERS ADI. (M)Jul 7, 1996 · N202KD · Saab 340BSDR HEEA967482Indicator · defectiveINDICATOR SHORTED AND POPS CIRCUIT BREAKER.Jun 24, 1996 · N911MJ · Skrsky S76ASDR SRAA69607Adi · failedDURING FLIGHT 9001 OUT OF YIP, CO-PILOTS GYRO FLAG CAME IN VIEW, ACCOMPLISHED AIR TURN BACK TO YIP WITHOUT INCIDENT. FOUND CO-PILOTS ADI FAILED, REMOVED AND REPLACED NR 2 ADI, SYSTEM OPS CHECKED GOOD PER MM CH 34. (M)Jun 20, 1996 · N901SJ · Lkheed 382ESDR 9613669763Vertical Gyro · failedDURING CRUISE, WEATHER RADAR BECAME INOPERATIVE. DUE TO EN ROUTE WEATHER, FLIGHT DIVERTED TO ATL AND LANDED WITHOUT INCIDENT. REPLACED NR 1 VERTICAL GYRO, OPERATIONAL CHECK OK.Jun 20, 1996 · N763NW · Doug DC941SDR DHL96724002Adi · failedUPON ROTATION, DURING TAKEOFF ROLL, F/O ADI STUCK IN PITCH UP POSITION. RUNWAY FLAG STILL IN VIEW ON LANDING. REMOVED AND REPLACED ADI AND RERACKED INSTRUMENT AMPLIFIER, OPS CHECK OK PER M/M 34-20.Jun 8, 1996 · N724DH · Boeing 727228SDR HEEA967358Indicator · faultyATTITUDE INDICATOR WILLNOT REMAIN ERECT.Jun 5, 1996 · N107X · Bell 412SDR HEEA967357Indicator · precessesPRECESSES IN PITCH AND ROLL.Jun 5, 1996 · N107X · Bell 412SDR HEEA967355Gyro · defectiveWAIT AND ANT LIGHT COMES ON WHEN STABILIZATION MODE IS SELECTED.Jun 5, 1996 · N39PH · Beech 200CBEECHSDR HEEA967347Horizon Gyro · defectiveARTIFICAL HORIZON GYRO SLOW TO ERECT AND CAUSING PITCH KICKING.Jun 5, 1996 · N8765J · Bolkms BK117A3SDR ABXA9600502Eadi · defectiveCAPTAIN'S EADI WENT BLANK AND PRODUCED SMOKE AND FUMES IN THE COCKPIT (IN-FLIGHT). REPLACED NR 1 EADI (FOUND SMOKE ODOR IN D.U. FAN) IAW DC-9 M.M. PART TOTAL CYCLES, 3,670.Jun 3, 1996 · N965AX · Doug DC941SDR 96ZZZX3096Eadi · shortedSITTING AT THE GATE IN PORTLAND, OREGON, CAPTAIN'S EADF FADED OUT AND REPORTED SEEING SMOKE FROM INSTRUMENT PANEL. FBO INSPECTED AND FOUND SMELL COMING FROM EADI. (X)May 15, 1996 · N116ZV · Beech 1900DSDR 96ZZZM991Gyro Indicator · malfunctionedAIR RETURN RADAR PAINTS ONE LARGE SPOKE AT 10 O'CLOCK POSITION. REPLACED RADAR INDICATOR AND NR 1 VERTICAL GYRO OPS CHECK GOOD ON GROUND. (M)May 11, 1996 · N938VV · Doug DC932SDR HEEA967223Indicator · defectiveINDICATOR RATCHETS IN ROLL.May 9, 1996 · N911MJ · Skrsky S76ASDR HEEA967187Indicator · malfunctionWILL NOT REMAIN ERECT.May 9, 1996 · N107X · Bell 412SDR HEEA967186Indicator · precessesATTITUDE INDICATOR PRECESSES IN PITCH AND ROLL.May 9, 1996 · N107X · Bell 412SDR TC8A96043Connector · looseSBBG/SBBG - FLR 12403 - ON TAXI, CAPTAIN'S HORIZON GYRO FLAG INDICATED. TROUBLESHOT SYSTEM, FOUND LOOSE CANNON PLUG, RESET AND RE-TIGHTENED. OPS CHECKS OK. (X)May 5, 1996 · N802CK · Doug DC8F54SDR 96ZZZX3173Gyro · failedSLOW TO OPERATE, PULL THREE OR FOUR TIMES TO ERECT. REPAIR AS NECESSARY.Apr 26, 1996 · N527MB · Bolkms BK117A3SDR HEEA967010Indicator · defectiveCO-PILOT'S INDICATOR (HEADING) PRECESSES EXCESSIVELY AND AT TIMES WILL NOT SLAVE PILOT'S INDICATOR WILL STICK AND CANNOT BE ADJUSTED.Apr 17, 1996 · N6559Z · Bell 412SDR HEEA966973Gyro · defectiveGYRO INTERMITTENTLY CAUSES ADI TO ROLL 90 DEGREES. KICKS OFF AFCS.Apr 8, 1996 · Skrsky S76ASDR HEEA966972Gyro · defectiveGYRO WILL NOT AUTOMATICALLY ERECT AFTER IT TURNS IN FLIGHTApr 8, 1996 · Skrsky S76ASDR HEEA966957Gyro · defectiveGYRO INTERMITTENT SIGNAL.Apr 8, 1996 · N500PH · Beech 200CBEECHSDR HEEA966937Indicator · precessingPRECESSING IN PITCH AND ROLL. SENT TO TIME SINCE REPAIR 58:30.Apr 8, 1996 · N107X · Bell 412SDR 96ZZZX3667Gyro · defectiveON INSTALLATION, GYRO UNIT WAS SLOW TO SPIN-UP AND GRADE-OFF. REMOVED AND REPLACED.Apr 2, 1996 · N911MZ · Bolkms BK117A3SDR 96ZZZM853Vertical Gyro · failedFLT NR 412 - ATL-ATL - AIR RETURN, FIRST OFFICERS ADI QUIT WORKING. REMOVED AND REPLACED FIRST OFFICERS VERTICAL GYRO. OPS IAW 34-20 GOOD. NO DEFECTS NOTED.Mar 30, 1996 · N931VV · Doug DC932SDR 96ZZZM836Vertical Gyro · malfunctionedFLT 412 - ATL-ATL - AIR RETURN, FIRST OFFICERS ADI QUIT WORKING. REMOVED AND REPLACED FIRST OFFICERS VERTICAL GYRO. OPS IAW 34-20 GOOD. NO DEFECTS NOTED.Mar 30, 1996 · N931VV · Doug DC932SDR TC8A96012Wire · brokenCAPTAINS ATTITUDE INDICATOR TUMBLED ON TAKEOFF ROLL. TAKEOFF ABORTED AT 90 KNOTS. REPAIRED BROKEN WIRE AT CAPTAINS ATTITUDE INDICATOR. PERFORMED HIGH SPEED TAXI, SYSTEM OPS CHECKS GOOD. (M)Mar 28, 1996 · N808CK · Doug DC8F55SDR 96ZZZX3170Gyro · defectiveGYRO BACKLIGHTING INOPERATIVE. SLOW TO SPIN UP. REMOVED AND REPLACED.Mar 23, 1996 · N214AE · Bolkms BK117B1SDR 96ZZZX2290Gyro · defectiveARTIFICAL HORIZON WILL NOT SAY UPRIGHT.Mar 22, 1996 · N527SS · Diamon DA20A1SDR 96ZZZX2289Gyro · failedARTIFICAL HORIZON GYRO WILL NOT TURN ON.Mar 22, 1996 · N524SS · Diamon DA20A1SDR 96ZZZX2281Gyro · malfunctionGYRO ARTIFICAL HORIZON WILL NOT STAY UPRIGHT.Mar 22, 1996 · N526SS · Diamon DA20A1SDR 96ZZZX2279Gyro · defectiveGYRO WILL NOT MAINTAIN LEVEL INDICATION IN STRIAGHT AND LEVEL FLIGHT.Mar 22, 1996 · N518SS · Diamon DA20A1SDR 96ZZZX2278Gyro · malfunctionARTIFICAL HORIZON BANKS TO LEFT IN STRAIGHT AND LEVEL FLIGHT.Mar 22, 1996 · N518SS · Diamon DA20A1SDR 96ZZZX1342Gyro · defectiveATTITUDE GYRO DEFECTIVE. REPLACED WITH NEW FIXTURE.Mar 4, 1996 · N32936 · Bell 412
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