JASC 3420

Service difficulty reports · 772

Reports filed under 3420 · Attitude and Direction Data 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 = '3420'
  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 HEEA0015848Attitude Ind. Ro · failedATTITUDE INDICATOR HAS WORN BEARINGS.Aug 27, 1998SDR VTZA990201Adi · failedFLT 7251 - IAD-RIC - DURING CRUISE, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO CAPTAINS ATTITUDE INDICATOR INOPERATIVE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED ADI. OPS CHECK OK. AIRCRAFT WAS RELEJun 30, 1998 · N497UE · Bag JETSTM3201SDR TC8A98034Amplifier · trippedTRIP NR 2003, LEFT ATTITUDE FLAG CAME ON ON TAKEOFF. ABORTED TAKEOFF. RERACKED INSTRUMENT AMP NR 1, OPS CHECKS GOOD IAW MM 34-7-6.Jun 17, 1998 · N182SK · Doug DC8F55SDR TC8A98033Amplifier · failedTRIP NR 2003, RED HEADING FLAG ON CAPTAINS HSI AND RED BOW TIE PRIOR TO TAKEOFF. REMOVED AND REPLACED INSTRUMENT AMP LOANER FROM ABX. TRANSFERRED TO C/O LIST NR 00377 IAW M/M 34-7-6.Jun 17, 1998 · N182SK · Doug DC8F55SDR 98UAL900257Irs · malfunctionedINERTIAL REFERENCE SYSTEM DRIFT OR FLIGHT MANAGEMENT COMPUTER NAV PROBLEM IN FLIGHT. *S/D* BOTH NR 1 AND NR 2 INERTIAL REFERENCE UNITS (NAV UNITS) WERE REPLACED PRECAUTIONARY. SYSTEM OPERATION HAS SINCE BEEN NORMAL. THE SHOP REPORTED THEY WERE UNABLE TO FIJun 13, 1998 · N354UA · Boeing 737322SDR HEEA0014499Indicator · failedPOINTER IS OFF BY 13 WHEN DIGITS ARE AT ZERO.Jun 4, 1998 · N59805 · Bell 214STSDR 99ZZZX748Wire · chafedCIRCUIT BREAKER 'POPPED' AND WOULD NOT RESET. FOUND DIRECTIONAL GYRO WIRING CHAFED ON THE UPPER CONSOLE ASSEMBLY. REPAIRED WIRING AND RE-TIED BUNDLE TO CLEAR THE STRUCTURE.May 3, 1998 · N961SA · Robsin R44SDR 98ZZZX2047Connector · wrong partDURING INSTALLATION OF A KING KCS55A COMPASS SYSTEM, NOTED THE CONNECTOR PLUG FOR THE KA51B SLAVING ACCESSORY WAS INCORRECTLY IDENTIFIED. THE 9-PIN PLUG SUPPLIED BY THE MFG FOR THE HARNESS IN THE AIRCRAFT WAS LABELED INCORRECTLY.May 1, 1998 · N614BB · Beech A65SDR HEEA0014032Indicator · defectiveARTIFICIAL HORIZ INDICATOR INTERNAL LIGHTS SHORTED.Apr 22, 1998 · N134AE · Bolkms BK117B2SDR HEEA0013782Afcs · intermittentAFCS ENGAGE INTERMITTENT.Apr 2, 1998 · N59805 · Bell 214STSDR HEEA0013461Gyro · failedFAILED TEST 6.6 ON SST.Mar 19, 1998 · N1546G · Skrsky S76ASDR UPS98626135Standby Att Ind · groundedINSPECTION TYPE-N/A ON TAKEOFF AT 40 KTS GPWS PULL UPLIGHT AND MASTER WARN LIGHT ILLUM. WARNING LTS COME ON/OFF MOVING STANDBY ATT IND CAGE KNOB. REPOSITION WIRES IN AREA OF SAI BEHIND WARN LTS. REPLACED SAI, UNABLE TO GET WARN LTS ON. SUSPECT CASE GROUMar 18, 1998 · N312UP · Boeing 76734AFSDR HEEA0013274Isolation Amp · failedISOLATION AMPLIFIER SMOKING.Mar 4, 1998 · N2261D · Bell 412SDR MALA975936Switch · failedAFTER TAKEOFF, NR 2 EHSI AND EADI BOTH WENT BLANK, UNABLE TO RESET. MAINTENANCE REPLACED RIGHT AVIONICS SWITCH. NR 2 EHSI AND EADI OPS CHECK GOOD.Jan 31, 1998 · N590MA · Saab 340BSDR CA980616005Ahrs · failed(CAN) COMPASS SYSTEMS MISMATCHED. NR 1 INDICATED 020 DEGREES, NR 2 INDICATED 008 DEGREES, C14 INDICATED 040 DEGREES, AND THE STANDBY INDICATED 50 DEGREES. AFTER UNEVENTFUL LANDING ALL COMPASSES INDICATED WITHIN + OR - 1 DEGREE. THIS IS A KNOWN PROBLEM AND AJan 27, 1998 · Dhav DHC8103SDR HEEA0012539Gyro · failed3 AXIS GYRO INDICATOR CAUSES KICKS IN PITCH AND ROLL IN AIRCRAFT.Jan 6, 1998 · N3893P · Bell 412SDR HEEA0012526Gyro · failedGYRO BLEW CIRCUIT BREAKER ON SST.Jan 6, 1998 · N3893N · Bell 412SDR RAIA971215Rmu · failedFLT 7786 - JFK - CREW SMELLED SMOKE IN COCKPIT. MAINTENANCE INSPECTED COCKPIT, REPLACED NR 2 RADIO MANAGEMENT UNIT (RMU). (M)Dec 28, 1997 · N550HK · Jetair JETSTM4101SDR HEEA0012294Gyro · failedGYRO TUMBLES WHEN POWER OFF.Dec 8, 1997 · N8587X · Bell 206L3SDR MWEA97860Inst Amplifier · inoperativePILOT REPORTS, F/O'S HSI LEADING FLAG CAME INTO VIEW AND WOULD NOT EXTINGUISH, F/O'S COMPASS WOULD NOT SLAVE TO CAPTAINS RMI. MTC REMOVED AND REPLACED NR 2 INSTRUMENT AMPLIFIER, OPS CHECK GOOD.Dec 6, 1997 · N501ME · Doug DC932SDR UF6A971103Circuit Breaker · trippedORD - FLT 5721 - NR 1 AHRS FAILED IN FLIGHT. MAINTENANCE FOUND CIRCUIT BREAKER H-9 POPPED. RESET CIRCUIT BREAKER. SYSTEM OPS CHECKED GOOD. (M)Nov 16, 1997 · N852AW · Bag ATPSDR HEEA0011786Gyro · defective3 AXIS GYRO ERECTS FASTER THAN OTHER INSTALLED TARSYN.Nov 5, 1997 · N22347 · Bell 412SDR DHL97721004Instrument Amp · failedCAPTAINS HSI PROCESSED EXCESSIVELY. OPERATES PROPERLY WHEN TRANSFERRED TO NR 2 DG, NR 1 RMI DOES NOT FOLLOW CAPTAINS HSI AFTER TRANSFER. REPLACED INST AMP, OPS CHECK OK.Sep 30, 1997 · N721DH · Boeing 727228SDR HEEA0010606Indicator · failedCOCKPIT ADI RATCHETING.Aug 7, 1997 · N1547D · Skrsky S76ASDR HEEA0010605Gyro · defective3 AXIS GYRO KICKING AFCS IN ROLL.Aug 7, 1997 · N3893N · Bell 412SDR HEEA0010583Gyro · corrodedGYRO EXCESSIVE CORROSION AND LOOSE MALE GUIDE PIN.Aug 6, 1997 · N5000K · Bell 206L1SDR HEEA0010294Gyro · precessesGYRO PRECESSES.Jun 26, 1997 · N9219J · Piper PA28161SDR 97ZZZM766Comp Unit · failedNR 2 COMPASS SYSTEM PRECESSES, DG MODE INOPERATIVE. REPLACED GCU-G5.Jun 17, 1997 · N834CA · Beech 1900DSDR HEEA0010040Slave Amplifier · defectiveAMPLIFIER DOES NOT SLAVE BACK TO COURSE.Jun 4, 1997 · Bolkms BO105SSDR HAIHEEA9979Indicator · defectiveATTITUDE INDICATOR KICKS AND CHATTERS IN PITCH AXIS. AFCS PITCH RUNS FORE AND AFT.May 30, 1997 · N5759N · Bell 412SDR REXA97143Ahars · failedRIGHT AHARS FAILED TO INITIALIZE. REINITIALIZED RIGHT AHARS. (M)May 23, 1997 · N361PX · Saab 340BSDR REXA97118Dual Compensator · failed50 DEGREE HEADING SPLIT AFTER TAKEOFF. REMOVED AND REPLACED DUAL COMPENSATOR. PERFORMED COMPASS SWING ON GROUND. (M)May 4, 1997 · N303PX · Bag JETSTM3101SDR VTZA97218Directional Gyro · malfunctionedFLT 6485 - IAD-JFK - DURING CLIMB, MADE AN UNSCHEDULED LANDING AT IAD DUE TO 20 DEGREE HEADING SPLIT. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED RIGHT DIRECTIONAL GYRO, OPS CHECK OK. AIRCRAFT WAS RELEAApr 4, 1997 · N471UE · Bag JETSTM3201SDR USAASB97022Standby Compass · out of adjustPHL - FLT 673 - SHORTLY AFTER T/O, THE NR 1 AND NR 2 COMPASS SYS SHIFTED WITH NO FLAGS. THE NR 1 COMPASS HAD A 25 DEGREE ERROR AND THE NR 2 COMPASS HAD A 55 DEGREE ERROR. F/A CHECKED CABIN FOR ELECTRONIC INTERFERENCE AND FOUND NONE. FLT RETURNED TO FIELD ATJan 21, 1997 · N281AU · Boeing 7372B7SDR VTZA97098Switching Relay · failedFLT 6483 - IAD-CHS - ABORTED TAKEOFF DUE TO NR 1 SYMBOL GENERATOR FAILED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED FCS SWITCHING RELAY, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO Jan 18, 1997 · N302UE · Jetair JETSTM4101SDR CA970115003Indicator · failed(CAN) AT RUNWAY THE PILOTS HORIZON FLIGHT DIRECTOR FAILED. AIRCRAFT RETURNED, REPLACED.Jan 4, 1997 · Braero HS7482ASDR SWIA95807Flux Detector · failedNR 2 ADI FAILED INFLIGHT. REMOVED AND REPLACED NR 2 FLUX DETECTOR, OPS CHECKS GOOD.Jan 1, 1997 · N188SW · Emb EMB120ERSDR HEEA968544Gyro · failedSPINS IN FLIGHT. REPLACED WITH SERVICEABLE PART.Nov 22, 1996 · N60951 · Snias AS350B2SDR P2EA96011Circuit Breaker · trippedMSP - FLT 401 - AIR RETURN, NO EMERGENCY DECLARED, LANDING UNEVENTFUL. ATTITUDE AND HEADING FLAGS ON CAPTAIN'S AND F/O'S ADI'S, HSI'S AND RMI'S ONE MINUTES AFTER TAKEOFF. RESET NR 1 IRS AC CIRCUIT BREAKER, REALIGNED IRS SYSTEM, PERFORMED BITE TEST PER 22-05-Nov 12, 1996 · N303AL · Boeing 7373Y0SDR S2YA960043Comp Contl Unit · inoperativeDURING THE MONTH OF NOVEMBER, THERE WERE SEVEN CCU-65 COMPENSATION CONTROL UNITS, P/N 622-6135-014, REMOVED DUE TO PART OR ALL OF BACKLIGHTING BEING INOPERATIVE. THE PARTS TIME SINCE OVERHAUL WERE 6,805.5 HRS FROM N NR 118SK; 6,526.6 HRS FROM N NR 831SK; 6,8Nov 1, 1996 · N118SK · Beech 1900DSDR 97ZZZX1790Comp Contl Unit · inoperativeDURING THE MONTH OF NOVEMBER, THERE WERE SEVEN CCU-65 COMPENSATION CONTROL UNITS, P/N 622-6135-014, REMOVED DUE TO PART OR ALL OF BACKLIGHTING BEING INOPERATIVE. THE PARTS TIME SINCE OVERHAUL WERE 6,805.5 HRS FROM ACFT 118SK; 6,526.6 HRS FROM N NR 831SK; 6,Nov 1, 1996 · N91SK · Beech 1900DSDR 97ZZZX1789Comp Contl Unit · inoperativeDURING THE MONTH OF NOVEMBER, THERE WERE SEVEN CCU-65 COMPENSATION CONTROL UNITS, P/N 622-6135-014, REMOVED DUE TO PART OR ALL OF BACKLIGHTING BEING INOPERATIVE. THE PARTS TIME SINCE OVERHAUL WERE 6,805.5 HRS FROM N NR 118SK; 6,526.6 HRS FROM N NR 831SK; 6Nov 1, 1996 · N87SK · Beech 1900DSDR 97ZZZX1788Comp Contl Unit · inoperativeDURING THE MONTH OF NOVEMBER, THERE WERE SEVEN CCU-65 COMPENSATION CONTROL UNITS, P/N 622-6135-014, REMOVED DUE TO PART OR ALL OF BACKLIGHTING BEING INOPERATIVE. THE PARTS TIME SINCE OVERHAUL WERE 6,805.5 HRS FROM N NR 118SK; 6,526.6 HRS FROM N NR 831SK; 6,Nov 1, 1996 · N801SK · Beech 1900DSDR 97ZZZX1787Comp Contl Unit · inoperativeDURING THE MONTH OF NOVEMBER, THERE WERE SEVEN CCU-65 COMPENSATION CONTROL UNITS, P/N 622-6135-014, REMOVED DUE TO PART OR ALL OF BACKLIGHTING BEING INOPERATIVE. THE PARTS TIME SINCE OVERHAUL WERE 6,805.5 HRS FROM N NR 118SK; 6,526.6 HRS FROM N NR 831SK; 6,Nov 1, 1996 · N831SK · Beech 1900DSDR VTZA97035Rmu · failedFLT 6356 - PWM-BOS - DURING CLIMB, MADE AN UNSCHEDULED LANDING DUE TO RIGHT RMU FAILED. AIRCRAFT RETURNED TO THE GATE WITH NO FURTHER PROBLEMS. MAINTENANCE REMOVED AND REPLACED RMU, OPS CHECK OK. AIRCRAFT WAS THEN RELEASED AND APPROVED FOR SERVICE. (M)Oct 21, 1996 · N312UE · Jetair JETSTM4101SDR VTZA97015Rmu · failedFLT 6590 - IAD-RDU - DURING TAXI, EXPERIENCED A FAILURE OF THE NR 1 RMU SCREEN. SCREEN WENT BLANK. AIRCRAFT RETURNED TO GATE. MAINTENANCE REMOVED AND REPLACED NR 1 RADIO MANAGEMENT UNIT AND PERFORMED FUNCTIONAL CHECK OF THE SYSTEM. FUNCTIONAL CHECK PROVED Oct 9, 1996 · N321UE · Jetair JETSTM4101SDR HEEA968117Indicator · defectiveINDICATOR WON'T PULL FLAG.Oct 4, 1996 · N4000L · Snias AS350B2SDR HEEA968016Rate Gyro · failedRATE GYRO CAUSES ACTUATOR TO CHATTER.Oct 3, 1996 · Skrsky S76ASDR ARWA9606071Dir Gyro · inoperativeAFTER TAKEOFF, NR 2 COMPASS SYSTEM OFF FLAG INTERMITTENT. RETURNED TO MIAMI. REMOVED AND REPLACED DIRECTIONAL GYRO. SYSTEM OPS CHECKED NORMAL IAW 34-20-00.Jun 21, 1996 · N1803 · Doug DC862SDR CA960620004Ahrs · failed(CAN) #2 ATTITUDE AND HEADING REFERENCE SYSTEM (AHRS) FAILED IN FLIGHT. EADI ATTITUDE INFO TOPPLES. CYCLING THE #2 AHRS AND #2 AHRS CIRCUIT BREAKERS WOULD BRING AHRS BACK ON LINE. UNIT REPLACED.Jun 4, 1996 · Dhav DHC8301
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