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.

SDR CA960924004Controller · burned(CAN) BURNT ELECTRICAL SMELL IN COCKPIT. STANDBY DIRECTIONAL GYRO CONTROL FOUND TO BE SOURCE OF SMELL.Sep 20, 1996 · Dhav DHC8102SDR HEEA967817Gyro · defectiveGYRO PRECESSES 6 DEGREES ON EAST HEADING IN 10 MINUTES.Sep 10, 1996 · N6100R · Snias AS350B2SDR 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. Aug 21, 1996 · N493UE · Bag JETSTM3201SDR 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 OKAug 20, 1996 · N494UE · Bag JETSTM3201SDR 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)Jul 14, 1996 · N470UE · Bag JETSTM3201SDR 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.Jul 7, 1996 · Cessna 208BSDR 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.Jun 18, 1996 · Boeing 727SDR AWRA9606004Dir Gyro · inoperativeNR 1 COMPASS SYSTEM FAILED AFTER TAKEOFF, RETURNED TO MIA. REMOVED AND REPLACED DIRECTIONAL GYRO IAW 34-20-00, OPS CHECKED NORMAL.Jun 12, 1996 · N802BN · Doug DC862SDR 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)Jun 11, 1996 · N445MA · Swrngn SA227ACSDR HEEA967356Gyro · failedAFTER A FEW HOURS OF USE, ROTOR INTERMITTENTLY RUNS DOWN AND WILL NOT SPIN UP.Jun 5, 1996SDR HEEA967337Gyro · malfunctionGYRO CAUSES COMPASS CORD TO SPIN INTERMITTENTLY.Jun 4, 1996 · N5128 · Skrsky S76ASDR 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.May 31, 1996 · N810BN · Doug DC862SDR 96ZZZX4687Gyro · intermittentCOCKPIT DIRECTIONAL GYRO, INTERMITTENT FAILURES. REMOVED AND REPLACED.May 14, 1996 · N317MC · Bolkms BK117C1SDR 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.Apr 30, 1996 · N702DH · Boeing 72730CSDR 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.Mar 23, 1996 · N722MB · Bolkms BO105SSDR 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.Mar 21, 1996 · N9343 · Doug DC931SDR HEEA966714Gyro · erraticGYRO UNIT WILL NOT MAINTAIN HEADING (ERRATIC)Feb 20, 1996 · N6100R · Snias AS350B2SDR CA961009004Directional Gyro · precessing(CAN) COMPASS PRECESSED 90 DEGREES DURING APPROACH. APPROACH ABORTED. MAINTENANCE UNABLE TO FIND FAULT. GYRO WAS REPLACED WHEN PART AVAILABLE.Feb 8, 1996 · Cessna 208BSDR 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 REPLACEDFeb 8, 1996 · Beech C90ASDR 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 REPLFeb 8, 1996 · Beech C90ASDR HEEA966658Indicator · defectiveCOMPASS CARD IS 180 DEGREE OUT OF PHASE.Feb 6, 1996SDR HEEA966624Gyro · defectiveDG GYRO SLAVE INDICATOR DOESN'T WORK PROPERLY; IT FLUCTUATES.Feb 5, 1996 · N90752 · Bolkms BO105SSDR 96ZZZX1565Gyro · failedGYRO UNABLE TO SPOOL UP. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jan 28, 1996 · N528SF · Bolkms BK117A3SDR CA960126016Gyro · malfunction(CAN)GYRO WILL NOT HOLD A HEADING, TIME THIS INSTALLATION 119.5 HOURS.Jan 24, 1996 · Snias AS350BSDR HEEA966513Gyro · intermittentDG OPERATES INTERMITTENTLY. REPLACED WITH SERVICEABLE DIRECTIONAL GYRO.Jan 23, 1996 · N60951 · Snias AS350B2SDR HEEA966511Gyro · intermittentGYRO UNRELIABLE AND WORKS INTERMITTENTLY. REPLACED WITH SERVICEABLE GYRO.Jan 23, 1996 · N60951 · Snias AS350B2SDR HEEA966510Gyro · precessesDIRECTIONAL GYRO PRECESSES EXCESSIVELY. REPLACED WITH SERVICEABLE GYRO.Jan 23, 1996 · N6097Z · Snias AS350B2SDR HEEA966418Gyro Compass · malfunctionGYRO CYCLES ON/OFF DURING FLIGHT. REPLACED WITH SERVICEABLE GYRO.Jan 11, 1996 · N6095S · Snias AS350B2SDR CA951218006Gyro · shorted(CAN)DIRECTIONAL GYRO MOTOR SHORTED OUT AND EMITTED SMOKE INTO THE CABIN.Nov 30, 1995 · Bell 206BSDR 96ZZZX510Gyro · stuckGYRO STUCK. READS 3.42 VOLTS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Nov 3, 1995 · N420MB · Bolkms BK117A3SDR 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)Oct 15, 1995 · N339TE · Bag JETSTM3201SDR 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.Sep 28, 1995 · N911RX · Agusta A109K2SDR 95ZZZX6510Compass · errorsCOMPASS SYSTEM GIVING ERRONEOUS HEADING INDICATION. ALSO, NR 2 RMI COMPASS WAS INOPERATIVE TO SLAVING MODE.Sep 18, 1995 · N4493X · Bolkms BK117A3SDR 95ZZZX6496Gyro · defectiveDIRECTIONAL GYRO OUT, 90 DEGREES OFF HEADING.Sep 12, 1995 · N2907T · Bolkms BO105SSDR 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.Aug 17, 1995 · N922RW · Doug DC931SDR HEEA955436Gyro · defectiveGYRO WILL NOT RUN UP, WILL NOT BECOME VALID.Jul 24, 1995 · N105WK · Bolkms BO105SSDR HEEA955426Gyro · defectivePRECESSING IN ROLL AND PITCH AND ROLL ERECTION RATES SLOW.Jul 24, 1995 · N4180F · Bell 206L3SDR 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)Jul 10, 1995 · N445MA · Swrngn SA227ACSDR HEEA955261Gyro Compass · defectiveGYRO WILL NOT SPIN UP OR BECOME VALID.Jun 27, 1995 · N792CH · Skrsky S76ASDR 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 HANGAJun 13, 1995 · N356WC · Beech B200SDR HEEA954995Gyro · failedDG SPINS INTERMITTENTLY. REPLACED WITH SERVICEABLE PART.May 12, 1995 · N60951 · Snias AS350B2SDR HEEA954929Gyro · trips breakerPOPS CIRCUIT BREAKER. REPLACED WITH SERVICEABLE D.G. AND RETURNED AIRCRAFT TO SERVICE.May 4, 1995 · N60951 · Snias AS350B2SDR RMXA9520748Flux Valve · faultyFLUX VALVE WILL NOT COMPENSATE FOR 25 DEGREE ERROR.Apr 26, 1995 · N317MC · Bolkms BK117C1SDR HEED95217Transmitter · defectiveFLUX VALVE PRECESS 30 AND WILL NOT SLAVE RMI. ORDER NEWApr 26, 1995 · N276X · Skrsky S76CSDR HEEA954885Gyro Unit · malfunctionINTERMITTENT KICKING OF YAW/SAS SYSTEM.Apr 25, 1995 · N132AE · Bolkms BK117B2SDR HEEA954725Gyro Compass · defectiveTROUBLESHOOTING FROZEN D.G. CARD, FOUND GYRO COMPASS DEFECTIVE.Apr 10, 1995 · N352TT · Bolkms BO105SSDR HEEA954724Amplifier · defectiveTROUBLESHOOTING FROZEN D.G., CARD FOUND SLAVING AMPLIFIER BAD.Apr 10, 1995 · N352TT · Bolkms BO105SSDR 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. SOLUTMar 8, 1995SDR 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 TROUBLESHOJan 31, 1995 · N1068S · Bell 206L1SDR 95ZZZX5501Gyro · defectiveGYRO UNIT REMOVED BECAUSE OF YAW CSAS KICK. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.Jan 4, 1995 · N420MB · Bolkms BK117A3
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