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.
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
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 CA960924004Controller · burned(CAN) BURNT ELECTRICAL SMELL IN COCKPIT. STANDBY DIRECTIONAL GYRO CONTROL FOUND TO BE SOURCE OF SMELL.SDR HEEA967817Gyro · defectiveGYRO PRECESSES 6 DEGREES ON EAST HEADING IN 10 MINUTES.SDR 96ZZZM1313Flux Detector · damagedFLT 6331 - IAD-BOS - DURING BOARDING, SHUTTLE BUS HIT RIGHT WING. NO FURTHER INCIDENTS OCCURRED. MX INSPECTED WING AND FOUND DAMAGE TO RIGHT AILERON AND WING TIP. MX REMOVED AND REPLACED LT AILERON ASSEMBLY, LT WING TIP, AND LT FLUX DETECTOR AND BRACKETS. SDR VTZA96319Directional Gyro · intermittentFLT NR 6319 - IAD-CLE - LANDED AIRCRAFT AS SCHEDULED AT CLE DUE TO NR 1 DIRECTION GYRO INTERMITTENTLY FAILED IN FLIGHT. AIRCRAFT WENT TO GATE, NO FURTHER INCIDENTS. AIRCRAFT WAS FERRIED TO IAD. MAINTENANCE REMOVED AND REPLACED DIRECTIONAL GYRO, OPS CHECK OKSDR VTZA96257Directional Gyro · failedFLT NR 6261 - IAD-EWR - ABORTED TAKEOFF DUE TO NR 2 HSI FLAGGED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED NR 2 DG, OPS CHECKS OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)SDR CA960729021Directional Gyro · failed(CAN) FLIGHT COMMAND INDICATOR COMMAND BARS VIBRATING AND THEN THE AUTO PILOT WENT OFF LINE. INDICATOR REPLACED AND WORKED FOR 4 DAYS AND THE AUTO PILOT KICKED OFF LINE AGAIN. FLIGHT COMMAND INDICATOR REPLACED AGAIN AND OK THIS TIME.SDR CA960703007Amplifier · loose(CAN) CAPTAINS GYRO FAILED ON ROTATION. AUXILIARY POSITON SELECTED, NO FIX. AIRCRAFT RETURNED. MAINTENANCE FOUND INSTRUMENT AMP LOOSE IN ITS MOUNTING BRACKET. AMP HAD BEEN INSTALLED 2 MONTHS EARLIER.SDR AWRA9606004Dir Gyro · inoperativeNR 1 COMPASS SYSTEM FAILED AFTER TAKEOFF, RETURNED TO MIA. REMOVED AND REPLACED DIRECTIONAL GYRO IAW 34-20-00, OPS CHECKED NORMAL.SDR MALA965027Dir Gyro · internal faultFLT 3310 - AFTER TAKEOFF FROM DTW, THE CAPTAINS DIRECTIONAL GYRO WOULD INTERMITTENTLY FREEZE. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE NR 1 DIRECTIONAL GYRO. ALL CHECKS SATISFACTORY. (M)SDR HEEA967356Gyro · failedAFTER A FEW HOURS OF USE, ROTOR INTERMITTENTLY RUNS DOWN AND WILL NOT SPIN UP.SDR HEEA967337Gyro · malfunctionGYRO CAUSES COMPASS CORD TO SPIN INTERMITTENTLY.SDR ARWA9606001Vert Gyro · failedAFTER TAKEOFF, CAPT'S ADI INDICATED 15 TO 20 DEGREE BANK IN LEVEL FLIGHT AND INDICATED PITCH 20 DEGREES NOSE-UP IN FLIGHT LEVEL TURN. AIRCRAFT RETURNED TO MIAMI. REMOVED AND REPLACED CAPT'S VERTICAL GYRO, OPS CHECKED NORMAL IAW DAC MM 34-25-00.SDR 96ZZZX4687Gyro · intermittentCOCKPIT DIRECTIONAL GYRO, INTERMITTENT FAILURES. REMOVED AND REPLACED.SDR DHL96702002Directional Gyro · malfunctionedON CRUISE, COMPASS CARD IN HSI PRECESSES. REMOVED AND REPLACED DIRECTIONAL GYRO AND REMOVED WATER FROM E AND E BAY, MM 34-20.SDR 96ZZZX2940Transmitter · defectiveNOTED 30 TO 35 DEGREE COMPASS VARIATION DURING FLIGHT. SEEMS TO BE MORE OF AN INTERMITTENT PROBLEM THAN CONSTANT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 9606769979Flux Valve · malfunctionedDURING CLIMBOUT, HEADING LIGHT ON INSTRUMENT WARNING COMPARATOR ILLUMINATED. RESLAVED RMI'S BUT UNABLE TO MAINTAIN HEADING WITHIN 22 TO 25 DEGREES OF MAGNETIC COMPASS. DIRECTIONAL GYRO AND RMI'S DRIFT 20 TO 25 DEGREES OFF MAGNETIC COMPASS WITHIN 120 SECONDS.SDR HEEA966714Gyro · erraticGYRO UNIT WILL NOT MAINTAIN HEADING (ERRATIC)SDR CA961009004Directional Gyro · precessing(CAN) COMPASS PRECESSED 90 DEGREES DURING APPROACH. APPROACH ABORTED. MAINTENANCE UNABLE TO FIND FAULT. GYRO WAS REPLACED WHEN PART AVAILABLE.SDR CA960507003Flux Valve · oil soaked(CAN)AIRCRAFT COMPASS SYSTEM REPORTED UNRELIABLE. EXAMINATION OF COMPASS COMPONENTS AND WIRING REVEALED THAT THE FLUX VALVE WAS SATURATED WITH INSTRUMENT OIL. COLLINS CONFIRMED THAT THE LOSS OF OIL COULD R ESULT IN FAILURE OF THE COMPONENT. FLUX VALVE REPLACEDSDR CA960214012Flux Valve · oil soaked(CAN)AIRCRAFT COMPASS SYSTEM REPORTED UNRELIABLE. EXAMINATION OF COMPASS COMPONENTS AND WIRING REVEALED THAT THE FLUX VALVE WAS SATURATED WITH INSTRUMENT OIL. COLLINS CONFIRMED THAT THE LOSS OF OIL COULD R ESULT IN FAILURE OF THE COMPONENT. FLUX VALVE WAS REPLSDR HEEA966658Indicator · defectiveCOMPASS CARD IS 180 DEGREE OUT OF PHASE.SDR HEEA966624Gyro · defectiveDG GYRO SLAVE INDICATOR DOESN'T WORK PROPERLY; IT FLUCTUATES.SDR 96ZZZX1565Gyro · failedGYRO UNABLE TO SPOOL UP. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR CA960126016Gyro · malfunction(CAN)GYRO WILL NOT HOLD A HEADING, TIME THIS INSTALLATION 119.5 HOURS.SDR HEEA966513Gyro · intermittentDG OPERATES INTERMITTENTLY. REPLACED WITH SERVICEABLE DIRECTIONAL GYRO.SDR HEEA966511Gyro · intermittentGYRO UNRELIABLE AND WORKS INTERMITTENTLY. REPLACED WITH SERVICEABLE GYRO.SDR HEEA966510Gyro · precessesDIRECTIONAL GYRO PRECESSES EXCESSIVELY. REPLACED WITH SERVICEABLE GYRO.SDR HEEA966418Gyro Compass · malfunctionGYRO CYCLES ON/OFF DURING FLIGHT. REPLACED WITH SERVICEABLE GYRO.SDR CA951218006Gyro · shorted(CAN)DIRECTIONAL GYRO MOTOR SHORTED OUT AND EMITTED SMOKE INTO THE CABIN.SDR 96ZZZX510Gyro · stuckGYRO STUCK. READS 3.42 VOLTS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR RAIA951021Vert Gyro · failedSTL - FLT 7370 - LEFT ATTITUDE INDICATOR DISPLAYS A 20 DEGREE LEFT BANK IN STRAIGHT AND LEVEL FLIGHT. MAINTENANCE REPLACED NR 1 VERTICAL GYRO. SYSTEM CHECKS GOOD. (M)SDR 95ZZZX5919Gyro · loose partsAFTER REMOVING GYRO FROM THE AIRCRAFT, A RATTLING NOISE WAS HEARD INSIDE THE GYRO HOUSING. THE UNIT WAS DISASSEMBLED AND INSPECTED. A SMALL BRASS KNURLED NUT (TOOL?) WAS FOUND INSIDE. THERE WAS IMPACT DAMAGE IN THE SPINNING PORTION OF THE GYRO.SDR 95ZZZX6510Compass · errorsCOMPASS SYSTEM GIVING ERRONEOUS HEADING INDICATION. ALSO, NR 2 RMI COMPASS WAS INOPERATIVE TO SLAVING MODE.SDR 95ZZZX6496Gyro · defectiveDIRECTIONAL GYRO OUT, 90 DEGREES OFF HEADING.SDR 9512719955Dir Gyro · malfunctionedFIRST OFFICER'S COMPASS FLAG APPEARED DURING CLIMBOUT. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED NR 2 DIRECTIONAL GYRO AND RMI. OPERATIONAL CHECK OK, AIRCRAFT RETURNED TO SERVICE.SDR HEEA955436Gyro · defectiveGYRO WILL NOT RUN UP, WILL NOT BECOME VALID.SDR HEEA955426Gyro · defectivePRECESSING IN ROLL AND PITCH AND ROLL ERECTION RATES SLOW.SDR MALA954532Dir Gyro · malfunctionedFLT 3213 - ON CLIMB-OUT FROM MSP, THE FIRST OFFICERS HSI AND CAPTAINS RMI HEADING INDICATOR STUCK. THE AIRCRAFT RETURNED TO MSP. MAINTENANCE REPLACED THE NR 2 DIRECTIONAL GYRO. SYSTEM OPERATED SATISFACTORILY. (M)SDR HEEA955261Gyro Compass · defectiveGYRO WILL NOT SPIN UP OR BECOME VALID.SDR 95ZZZX4025Gyro · defectiveWHILE ON A PART 91 TRIP TO ROD FROM OWB, THE COPILOT'S HEADING FLAG ON THE HSI WOULD NOT RETRACT. AFTER SEVERAL ATTEMPTS TO AUTOSLAVE AND FREE-SLAVE THE DIRECTIONAL GYRO, TRIP WAS ABORTED AND RETURNED TO HOME BASE. WERE ABLE TO DUPLICATE PROBLEM IN THE HANGASDR HEEA954995Gyro · failedDG SPINS INTERMITTENTLY. REPLACED WITH SERVICEABLE PART.SDR HEEA954929Gyro · trips breakerPOPS CIRCUIT BREAKER. REPLACED WITH SERVICEABLE D.G. AND RETURNED AIRCRAFT TO SERVICE.SDR RMXA9520748Flux Valve · faultyFLUX VALVE WILL NOT COMPENSATE FOR 25 DEGREE ERROR.SDR HEED95217Transmitter · defectiveFLUX VALVE PRECESS 30 AND WILL NOT SLAVE RMI. ORDER NEWSDR HEEA954885Gyro Unit · malfunctionINTERMITTENT KICKING OF YAW/SAS SYSTEM.SDR HEEA954725Gyro Compass · defectiveTROUBLESHOOTING FROZEN D.G. CARD, FOUND GYRO COMPASS DEFECTIVE.SDR HEEA954724Amplifier · defectiveTROUBLESHOOTING FROZEN D.G., CARD FOUND SLAVING AMPLIFIER BAD.SDR 95ZZZX1464Back Plate · ports crackedEDO-AIRE OR SIGMA-TEK DIRECTIONAL GYRO BACK PLATE -- FITTING PORTS CRACKING FROM MECHANIC OVERTIGHTENING FITTINGS. TORQUE SHOULD NOT BE MORE THAN 20 INCH/POUNDS, ALSO, SCREW HOLES CAN CRACK FROM INSTRUMENT REPAIRMAN TIGHTENING THESE 5 SCREWS TOO TIGHT. SOLUTSDR 95ZZZX1062Wire · chafedWHILE AT CRUISE FLIGHT, SPARKS WERE EMITTED FROM RIGHT SIDE OF CONSOLE JUST UNDER PILOT'S VENT HANDLE. GYRO SWITCH WENT TO 'OFF' POSITION AND FUEL FILTER CAUTION LIGHT FLICKERED DIM THEN NORMAL, THEN EXTINGUISHED. GENERATOR WAS TURNED OFF. DURING TROUBLESHOSDR 95ZZZX5501Gyro · defectiveGYRO UNIT REMOVED BECAUSE OF YAW CSAS KICK. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.
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