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 HEEA966792Horizon Gyro · failedGYRO TUMBLES WHILE CAGING, FLAG PULL IS SLOW, CAUSES PITCH/ROLL CSAS TO BE UNRELIABLE.Feb 28, 1996 · N401PH · Bolkms BK117A3SDR HEEA966789Gyro · precessesVERT GYRO PRECESSING.Feb 28, 1996 · N1546K · Skrsky S76ASDR HEEA966768Indicator · stuckINDICATOR STUCK AT 15 DEGREES IN ROLL.Feb 28, 1996 · N7128R · Bell 412SDR HEEA966752Gyroscope · faultyGYRO WOULD NOT PUT OUT SIGNAL FOR ROLL CHANNEL TO THE AARS AMP.Feb 28, 1996 · N8045T · Bell 214STSDR 96ZZZX1389Indicator · wire chafedPILOTS ATTITUDE INDICATOR STARTED SPINNING, SMOKE DETECTED IN COCKPIT. FOUND PILOTS ATTITUDE INDICATOR ISOLATION AMP FAILED AND SOURCE OF SMOKE. FOUND WIRING AT ATTITUDE INDICATOR HAD CHAFED ON DEFOGGER MOUNTING BOLT SHORTING AMP SIGNAL TO GROUND AND CAUSINGFeb 23, 1996 · N412DE · Bell 412SDR 96ZZZX1072Indicator · flag inopATTITUDE DIRECTOR FLAG INOPERATIVE. REPLACED WITH NEW FIXTURE.Feb 20, 1996 · N92130 · Frchld 42SDR CA960222013Gyro · unreliable(CAN)PILOTS REPORT HAVING TO AUTO ERECT CAPTS GYRO EVERY TEN MINUTES. SUBMITTER STATES THAT THIS SDR IS IN RESPONSE TO SEVERAL FAILURES OF THIS GYRO USED IN THEIR FLEET. MODELS 510-8A, 510-8F, 505-2C, 251- ECFR AND 251-ECFRB.Feb 8, 1996 · Beech 200BEECHSDR 9602539103Vertical Gyro · malfunctionedDURING CLIMB, THE VERTICAL GYRO FLAG APPEARED. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED THE NR 2 VERTICAL GYRO AND OPERATIONAL CHECK GOOD.Feb 2, 1996 · N93S · Doug DC915SDR 96ZZZX1060Indicator · sticksCOCKPIT ATTITUDE INDICATOR STICKS. REPLACED WITH NEW FIXTURE.Jan 31, 1996 · N3292N · Bell 412SDR HEEA966549Gyro · defectiveVERT GYRO KEEPS IN ROLL.Jan 29, 1996 · N1545X · Skrsky S76ASDR HEEA966548Gyro · defectiveVERT GYRO KEEPS IN ROLL.Jan 29, 1996 · N1545X · Skrsky S76ASDR HEEA966473Indicator · defectiveATTITUDE GYRO WILL NOT ERECT.Jan 16, 1996 · N3897N · Bell 214STSDR HEEA966407Vertical Gyro · defectiveVERT GYRO TUMBLES ADI.Jan 10, 1996 · N1546K · Skrsky S76ASDR HEEA966390Indicator · flag sticksINDICATOR FLAG STICKS OUT OF VIEW.Jan 9, 1996 · N3911L · Bell 412SDR USAAD9500BVertical Gyro · faultyGSO - FLT 667 - EN ROUTE PIT-RDU, CREW RECEIVED 'HORIZON' ALERT. FLIGHT DIVERTED TO GSO DUE TO WEATHER AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED THE NR 1 VERTICAL GYRO. (X)Dec 31, 1995 · N828US · Doug DC981SDR 96ZZZX1761Gyro · failedGYRO IS TUMBLED AND SPINS OUT OF CONTROL WHEN POWER IS APPLIED. TIME SINCE OVERHAUL 57.3 HRS.Dec 26, 1995 · N911LF · Bolkms BO105SSDR 9521319305Attitude Ind · malfunctionedEN ROUTE MSP-MCO, FIRST OFFICER'S ATTITUDE INDICATOR FLAGGED WITH INTERMITTENT READINGS. FLIGHT DIVERTED TO ATL AND LANDED WITHOUT INCIDENT. REPLACED FIRST OFFICER'S ATTITUDE INDICATOR. OPERATIONAL CHECK NORMAL AND AIRCRAFT RETURNED TO SERVICE.Dec 19, 1995 · N307RC · Doug DC982SDR BUFA9527Connector · looseFLT MIA/CAE (MIA/MIA) - F/O ART. HORIZ FAILED. TEST CAUSES NO REACTION EXCEPT RANDOM ATTITUDES. FOUND LOOSE CANNON PLUG AND RESET BREAKER, TIGHTEN CANNON PLUG. OPS CHK NORMAL IAW MM 34-23-0. (X)Dec 15, 1995 · N161DB · Doug DC861SDR HEEA956251Vertical Gyro · defectiveADI TUMBLES INTERMITTENTLY.Dec 13, 1995 · N31217 · Skrsky S76ASDR MWEA95438Vert Gyro · inopMKE - DURING CLIMBOUT, VERTICAL GYRO FLAG INTERMITTENTLY COMING INTO VIEW ON FIRST OFFICER'S ADI. FLIGHT RETURNED TO MKE. MAINTENANCE VERIFIED, REMOVED AND REPLACED NR 2 VERTICAL GYRO. OPS CHECK GOOD AND RETURNED A/C TO SERVICE.Dec 3, 1995 · N302ME · Doug DC932SDR 95ZZZM727Adi · flaggedBOTH ATTITUDE INDICATOR, BOTH COMPASS GSL/FLAG ON. RERACKED ALL ELECTRONIC EQUIPMENT FOR THIS SYSTEM. BOTH ATTITUDE INDICATORS, BOTH COMPASS NO FLAGS/GSL FLAG. (M)Dec 3, 1995 · N803MG · Doug DC862SDR HEED95402Indicator · defectivePITCH INDICATION WILL NOT WORK .REPLACED UNITNov 21, 1995 · N476X · Skrsky S76CSDR USAAD95006Vertical Gyro · failedFLT NR 2058 - CAPTAINS VERTICAL GYRO FAILED ON CLIMB-OUT. FLIGHT RETURNED TO FIELD. REPLACED NR 1 VERTICAL GYRO. OPERATIONAL CHECK WAS NORMAL. (M)Nov 12, 1995 · N951VJ · Doug DC931SDR HEEA955950Indicator · failedINDICATOR #2 NEEDLE HAS NO INDICATION.Nov 1, 1995 · N21498 · Bell 412SDR HEEA955949Indicator · defectiveADI VIBRATES AND CHANGES ALTITUDE IN FLIGHT.Nov 1, 1995 · N2148K · Bell 412SDR 9516749102Vertical Gyro · failedDURING CLIMB, THE FIRST OFFICER'S PITCH AND ROLL INDICATOR WAS INOPERATIVE. THE AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED THE NR 2 VERTICAL GYRO. OPERATIONAL CHECK GOOD.Oct 26, 1995 · N92S · Doug DC915SDR 95ZZZX6990Gyro · failedATTITUDE GYRO TUMBLES. NEEDS OVERHAUL.Oct 25, 1995 · N32GA · Snias AS350BSDR HEEA955867Gyro · defectiveGYRO HAS 2 DEGREES LEFT TILT IN LEVEL FLIGHT. ROLL ERECTION RATES SLOW AND 10 DEGREES POINTER BAR DROP. TIME SINCE REPAIR 339:10.Oct 12, 1995 · N6603X · Bell 206L3SDR 95ZZZX6484Gyro · light inopATTITUDE GYRO'S INTERNAL ILLUMINATION LIGHT INOP.Oct 11, 1995 · N117MH · Bolkms BK117A3SDR 95ZZZX6480Gyro · malfunctionGYRO SHOWS LEFT BANK ON LEVEL GROUND AND IN LEVEL FLIGHT.Oct 11, 1995 · N105MH · Bolkms BO105SSDR HEEA955862Indicator · precessesATTITUDE POINTER BAR PRECESSES 3 DEGREES DURING SETTLING TEST.Oct 6, 1995 · N5742N · Bell 206L1SDR HEEA955861Gyro · defectiveHORIZ GYRO INTERMITTENTLY TAKES 9 MINUTES TO ERECT.Oct 6, 1995 · N520WJ · Bolkms BK117A4SDR ARWA0930501Nr 1 Adi · inopMIA/SJU - FLT 501 - AFTER DEPARTING MIA EN ROUTE TO SJU, CAPTAIN'S ADI ROLLED OVER. AIRCRAFT RETURNED TO MIA. FOUND NR 1 ADI AND INSTRUMENT RACK AT FAULT. REMOVED AND REPLACED NR 1 ADI AND NR 1 INSTRUMENT AMP RACK. OPS NORMAL IAW 34-23-0. REFERENCE: OPERSep 30, 1995 · N441J · Doug DC863FSDR 95ZZZX5918Nr 1 Instr Rack · inopMIA/SJU - FLT 501 - AFTER DEPARTING MIA EN ROUTE TO SJU, CAPTAIN'S ADI ROLLED OVER. AIRCRAFT RETURNED TO MIA. FOUND NR 1 ADI AND INSTRUMENT RACK AT FAULT. REMOVED AND REPLACED NR 1 ADI AND NR 1 INSTRUMENT AMP RACK. OPS NORMAL IAW 34-23-0. REFERENCE: OPERSep 30, 1995 · N441J · Doug DC863FSDR 95ZZZX6507Gyro · defectiveVERTICAL GYRO OCCASIONALLY FALLS OFF TO 20 PERCENT RIGHT BANK ON EFIS DISPLAY. ALSO, GENERATES AUTOPILOT ERROR CODES.Sep 27, 1995 · N317MC · Bolkms BK117C1SDR 95ZZZX6500Gyro · malfunctionGYRO MAKES YAW SAS ACTIVATE LEFT TO RIGHT DURING FLIGHT. TAKES OVER 3 MINUTES, 30 SECONDS TO PULL FLAG. HORIZON WILL ALSO BE LEANING RIGHT WHILE IN STRAIGHT AND LEVEL FLIGHT.Sep 27, 1995 · N312LF · Bolkms BK117A3SDR HEEA955671Indicator · plug looseCANNON PLUG CONNECTOR LOOSE IN CASE. REPLACED WITH SERVICEABLE ATTITUDE INDICATOR.Aug 31, 1995 · N2245Y · Bell 206L1SDR 95ZZZM510Vert Gyro · inopFAR - THE CREW ELECTED AN AIR TURN BACK AFTER THE NR 2 EADI AND EHSI WENT BLANK/INOP FOLLOWED BY A SMALL AMOUNT OF ELECTRICAL SMOKE IN THE COCKPIT. THE LANDING WAS UNEVENTFUL. THE NR 2 VERT GYRO AND NR 2 EHSI WERE SATISFACTORILY REPLACED. (M)Aug 31, 1995 · N100UX · Beech 1900DSDR 95ZZZX7003Gyro · defectiveGYRO READING INCORRECTLY STAYING FAR LEFT TO THE SIDE.Aug 27, 1995 · N495LF · Bolkms BO105SSDR 95ZZZX5101Gyro · inoperativeINOPERATIVE ATTITDE GYRO.Aug 24, 1995 · N721SP · Bell 206L1SDR 95FDEA01135Adi · failedCAPTAIN'S ADI FAILED DURING CLIMB OUT IN NORMAL POSITION, AND ALSO FAILED IN AUXILIARY POSITION. REPLACED CAPTAIN'S ADI. OPS CK NORMAL ON GROUND.Aug 17, 1995 · N102FE · Boeing 72722CSDR 95ZZZX5204Gyro · failedGYRO TUMBLES FOR 30-40 MINUTES.Aug 10, 1995 · N2FOR · Bell 212SDR DL73S953299Adi · inopCAPT ADI INOP WITH ALT FLAG, ROLL LIGHT ILLUMINATED. TEST SWITCH RESULTED IN INDICATOR SPINNING AT HIGH SPEED IN ROLL DIRECTION, AUX GYRO NO HELP. AIR TURNBACK TO ATL AT 1420. C/A REPLACED CAPT ADI, FUNCTIONS NORMAL.Aug 6, 1995 · N322DL · Boeing 737232SDR 95ZZZX4008Horizontal Gyro · case leakTHE CASE OF THE ARTIFICAL HORIZON HAS BLACK ELECTRICAL TAPE AROUND THE OUTSIDE OF THE CASE, SEALING THE UNIT. THE BLACK TAPE MELTS OR BECOMES SOFT DURING HIGH TEMPERATURES CAUSED BY THE SUN AND HIGH TEMPERATURES IN THE CABIN. DUE TO THE DETERIORATED TAPE THEAug 3, 1995 · N8453Y · Piper PA28161SDR 95ZZZX5093Gyro · defectiveINSTRUMENT PUTS OUT ERRATIC PUFFING NOISES. FLAG NEVER RETRACTS. SUSPECT IMPROPER BENCH CHECK TECHNICALS.Jul 29, 1995 · N400SL · Bell 206L1SDR HEEA955425Gyro · precessesGYRO PRECESSES AND PITCH ROLL ERECTION RATES SLOW.Jul 24, 1995 · N4180F · Bell 206L3SDR HEEA955424Gyro · precessesGYRO PRECESSES IN PITCH AND ROLL.Jul 24, 1995 · N4180F · Bell 206L3SDR 95ZZZX5079Gyro · light inopGYRO LIGHTING INOPERATIVE. REMOVED AND REPLACED.Jul 24, 1995 · N317MC · Bolkms BK117C1SDR COM60521Attitude Ind · malfunctionedPILOTS ATTITUDE INDICATOR ALL ONE COLOR, BACKGROUND PURPLE. COULD NOT DUPLICATE. FOUND PFD TO CHECK NORMAL.Jul 17, 1995 · N920CA · Cndair CL6002B19SDR 95ZZZX5095Gyro · precessesPRECESSES - WILL NOT HOLD ATTITUDE. OVERHAUL DONE ON 8-23-94, INV NR 62281 AND TESTED ON P/O 88573, ORDER NR 75988.Jul 10, 1995 · N4493X · Bolkms BK117A3
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