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.
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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR HEEA966792Horizon Gyro · failedGYRO TUMBLES WHILE CAGING, FLAG PULL IS SLOW, CAUSES PITCH/ROLL CSAS TO BE UNRELIABLE.SDR HEEA966789Gyro · precessesVERT GYRO PRECESSING.SDR HEEA966768Indicator · stuckINDICATOR STUCK AT 15 DEGREES IN ROLL.SDR HEEA966752Gyroscope · faultyGYRO WOULD NOT PUT OUT SIGNAL FOR ROLL CHANNEL TO THE AARS AMP.SDR 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 CAUSINGSDR 96ZZZX1072Indicator · flag inopATTITUDE DIRECTOR FLAG INOPERATIVE. REPLACED WITH NEW FIXTURE.SDR 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.SDR 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.SDR 96ZZZX1060Indicator · sticksCOCKPIT ATTITUDE INDICATOR STICKS. REPLACED WITH NEW FIXTURE.SDR HEEA966549Gyro · defectiveVERT GYRO KEEPS IN ROLL.SDR HEEA966548Gyro · defectiveVERT GYRO KEEPS IN ROLL.SDR HEEA966473Indicator · defectiveATTITUDE GYRO WILL NOT ERECT.SDR HEEA966407Vertical Gyro · defectiveVERT GYRO TUMBLES ADI.SDR HEEA966390Indicator · flag sticksINDICATOR FLAG STICKS OUT OF VIEW.SDR 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)SDR 96ZZZX1761Gyro · failedGYRO IS TUMBLED AND SPINS OUT OF CONTROL WHEN POWER IS APPLIED. TIME SINCE OVERHAUL 57.3 HRS.SDR 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.SDR 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)SDR HEEA956251Vertical Gyro · defectiveADI TUMBLES INTERMITTENTLY.SDR 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.SDR 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)SDR HEED95402Indicator · defectivePITCH INDICATION WILL NOT WORK .REPLACED UNITSDR 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)SDR HEEA955950Indicator · failedINDICATOR #2 NEEDLE HAS NO INDICATION.SDR HEEA955949Indicator · defectiveADI VIBRATES AND CHANGES ALTITUDE IN FLIGHT.SDR 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.SDR 95ZZZX6990Gyro · failedATTITUDE GYRO TUMBLES. NEEDS OVERHAUL.SDR 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.SDR 95ZZZX6484Gyro · light inopATTITUDE GYRO'S INTERNAL ILLUMINATION LIGHT INOP.SDR 95ZZZX6480Gyro · malfunctionGYRO SHOWS LEFT BANK ON LEVEL GROUND AND IN LEVEL FLIGHT.SDR HEEA955862Indicator · precessesATTITUDE POINTER BAR PRECESSES 3 DEGREES DURING SETTLING TEST.SDR HEEA955861Gyro · defectiveHORIZ GYRO INTERMITTENTLY TAKES 9 MINUTES TO ERECT.SDR 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: OPERSDR 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: OPERSDR 95ZZZX6507Gyro · defectiveVERTICAL GYRO OCCASIONALLY FALLS OFF TO 20 PERCENT RIGHT BANK ON EFIS DISPLAY. ALSO, GENERATES AUTOPILOT ERROR CODES.SDR 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.SDR HEEA955671Indicator · plug looseCANNON PLUG CONNECTOR LOOSE IN CASE. REPLACED WITH SERVICEABLE ATTITUDE INDICATOR.SDR 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)SDR 95ZZZX7003Gyro · defectiveGYRO READING INCORRECTLY STAYING FAR LEFT TO THE SIDE.SDR 95ZZZX5101Gyro · inoperativeINOPERATIVE ATTITDE GYRO.SDR 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.SDR 95ZZZX5204Gyro · failedGYRO TUMBLES FOR 30-40 MINUTES.SDR 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.SDR 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 THESDR 95ZZZX5093Gyro · defectiveINSTRUMENT PUTS OUT ERRATIC PUFFING NOISES. FLAG NEVER RETRACTS. SUSPECT IMPROPER BENCH CHECK TECHNICALS.SDR HEEA955425Gyro · precessesGYRO PRECESSES AND PITCH ROLL ERECTION RATES SLOW.SDR HEEA955424Gyro · precessesGYRO PRECESSES IN PITCH AND ROLL.SDR 95ZZZX5079Gyro · light inopGYRO LIGHTING INOPERATIVE. REMOVED AND REPLACED.SDR COM60521Attitude Ind · malfunctionedPILOTS ATTITUDE INDICATOR ALL ONE COLOR, BACKGROUND PURPLE. COULD NOT DUPLICATE. FOUND PFD TO CHECK NORMAL.SDR 95ZZZX5095Gyro · precessesPRECESSES - WILL NOT HOLD ATTITUDE. OVERHAUL DONE ON 8-23-94, INV NR 62281 AND TESTED ON P/O 88573, ORDER NR 75988.
Back to JASC 3421