JASC 3422

Service difficulty reports · 649

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 ABXA20260630296Display · faultedON TAXI, EADI ON CAPT'S SIDE BLANKED OUT. AIRCRAFT RETURNED TO THE GATE (BTB). PERFORMED FIM 34--22 FAULT TREE 804 SYSTEM OPERATION NORMAL. ACFT DOWNGRADED CAT I PENDING 30/40 TEST. A/C RETURNED TO SERVICE.Jun 30, 2026 · N767AX · Boeing 767281SDR CALA2026050516011Adiru · faultedLEFT IRS FAULT LIGHT ON NON NORMAL COMP DEBRIEFED WITH CREW, CHECKED FOR FAULTS IN DFCS, REPLACE L ADIRU. REF FIM 34-21 TASK 839 REPLACED L ADIRU, OPS CHECK GOOD REF AMM 34-21-00.May 4, 2026 · N47280 · Boeing 7378SDR CALA2026050415936Accelerometer · failedON CLIMB OUT IAS DISAREE...REPEAT WRITE UP. DEBRIEF WITH CREW,CREW STATED THAT THE IAS DIFFERENCE WAS 5 TO 10 KN FOR APPROXIMATELY 30 SECONDS. DURING PITOT PRESSURIZATION, FIRST OFFICER SIDE LAGS BEHIND CAPTAIN SIDE BUT STABILIZES AND HOLDS AT TARGET VALUE R Apr 29, 2026 · N667UA · Boeing 767322SDR CALA2025080807500Symbol Generator · faultedSG FAIL ON FO SIDE ADI AND HSI IN FLIGHT REMOVAL AND INSTALL THE EFIS SYMBOL GENERATOR IAW TASK 34-22-01-404-006. SOFTWARE LOAD. ELECTRONIC FLIGHT INSTRUMENT SYSTEM. MAINTENANCE PRACTICES REF 34-22-00/201. REMOVED AND REPLACED RT EFIS SYMBOL GENERATOR IAW AMAug 7, 2025 · N666UA · Boeing 767322SDR ABXA20250527106Director · malfunctionedAFTER TAKE-OFF, RT FLIGHT DIRECTOR DISAPPEARED TROUBLE SHOT IT AFTER 18K AND COULDN'T GET RESOLUTION SWITCHED RIGHT SIDE TO CENTER AND SGL SOURCE FD TCAS MSG APPEARED. MX MADE CALL TO RETURN TO AFW, (ATB) DEFERRED RT FLIGHT DIRECTOR SYSTEM IAW MEL C ABX-34-May 27, 2025 · N1013A · Boeing 76736NSDR HNAA2025033100193Display · failedDURING APPR FO MFD STARTED FLICKERING FOLLOWED BY SLIGHT ELECTRICAL ODOR DISAPATED AFTER FO MFD DIMMED TO BLACK. R&R #2 MFD IN REF TO AMM 34-22-01-000/400-801-A OPS CHECK GOOD OK FOR SERVICE.Apr 5, 2025 · N922AE · Emb EMB145LRSDR SWAA2024052889012Irs · out of alignmentCREW REPORTS; 23767; AFTER T/O NO HEADING DATA DISPLAYED ON EITHER SIDE<[01] PERFORMED IRS ALIGNMENT PER [AMM 34-21-00-820-801-MAX (AIR DATA INERTIAL REFERENCE SYSTEM - ALIGNMENT FROM THE FMC CDU - PERMANENT)] OPS NORMALMay 22, 2024 · N1808U · Boeing 7378SDR HNAA2023071750247Unknown · unknownEICAS BLANKED OUT WITH BURNING SMELL SWAPPED EICAS AND FO MFD IAW AMM 34-22-01 PER MEL 34-1. OPS CHECK GOOD. INSPECTED ELECTRICAL CONNECTORS WITH NO DEFECTS NOTED. SEE THIS LP SEQ 2 FOR MEL. SWAPPED EICAS AND FO MFD DUE TO EICAS BLANKING OUT WITH BURNING SJul 15, 2023 · N653AE · Emb EMB145LRSDR DALA2023011800373Control Panel · failedATB DUE TO CAPTAIN'S ATTITUDE AND HEADING FAILURE. REPLACED ADIRU CONTROL DISPLAY UNIT.Jan 17, 2023 · N341NB · Airbus A319114SDR 2023FA0000026Gyro · erraticSHORTLY AFTER TAKE OFF FROM PWA .DURING CLIMB OUT THE CREW NOTICED THAT THE PILOTS HSI WOULD NOT ERECT AND DEICIDED TO TO RETURN TO PWA TO HAVE MAINTENANCE . AFTER MAINTENANCE ARRIVED IT WAS DETERMINED THAT THE HSI HAD FAUILEDJan 10, 2023 · N393PJ · Cessna 501SDR JJBA20220919025None · trippedSMOKE IN COCKPIT BURNING SMELL. INSPECTED THE COCKPIT AND FOUND EICAS DISPLAY CB WAS EXTENDED. REMOVED AND REPLACED EICAS DISPLAY UNIT. RESETED DISPLAY CB. OPS CHECK SATSep 18, 2022 · N13161 · Emb EMB145XRSDR QR9R20220909001None · illuminatedDURING STARTUP THE AHRS 1 CAUTION ILLUMINATED. AVIONICS ATTEMPTED TO RESET WITH NO SUCCESS, TAKE OFF WAS ABORTED. REMOVED #1 AHRS AND REPLACED IAW AMM 34-22-00,4-1. T/F COMPLETE IAW AMM 34-22-00, 5-2 CHECK OK.Sep 9, 2022 · Bolkms BK117C2SDR QR9R20220802001Ahrs · failed#1 AHRS FAILURE DURING HOVER TAXI. REMOVED AND REPLACED #1 AHRU IAW AMM 34-22-00, 4-1. FUNCTIONAL TEST AND TEST PILOT MOC SUCCESSFULLY COMPLETED.Aug 2, 2022 · Bolkms BK117C2SDR CALA2022071301725Efis · inoperativeRIGHT EFIS SYMBOL GEN NOT DISPLAYING TCAS TEST PATTERN ON THE L OWER MFD MEL 3422M REQUIRED. RIGHT EFIS SYMBOL GEN PLACED ON MEL 3422M, DDP C/W. MEL 3422M APPROVED REPLACED COMPUTER EFIS RT. IAW 34-22-01. TEST GOOD AND TCAS TEST IAW 34-45-00 ROTABLE PARTS Jul 13, 2022 · N642UA · Boeing 767322SDR HNAA2022062900229None · nonePDIS 648 34-22 2613581 28JUN22 PHL CLOSE DURING FLIGHT EICAS FAILING INTERMITTENTLY FACT 28JUN22 22:09 PHL R&R #300 EICAS DISPLAY IAW AMM 34-22-01 OPS CHECK GOOD A/C OK FOR SERVICE AT THIS TIME.Jun 28, 2022 · N648AE · Emb EMB145LRSDR 2022F00096None · failedDIRECTSYN DG FAILED MID FLIGHT. PILOTS REPORTED THAT THE PILOTS (LH) HSI WAS FIXED TO A SINGLE HEADING. RENDERING THE AUTOPILOT SYSTEM INOPERATIVE. THE PILOTS ELECTED TO DIVERT.Mar 3, 2022 · N10VJ · Lear 31SDR HNAA2022013100058Not Reported · not reportedPDIS 627 34-22 2753131 29JAN22 CLT CLOSE IN FLIGHT FO'S PFD LOST ATT IND WITH ALL NUMBERS SHOWING RED. SELECTED AHRS REVERSION NO CHANGE. SWITCHED REVERSION KNOWT SHOW PFD ON MFD AND INFO APPEARED NORMAL WITH PFD BLANK Jan 29, 2022 · N627AE · Emb EMB145LRSDR UIEA2021110502349None · noneDURING TAXI OUT CAPTS PFD & UPPER EICAS SCREENS WENT BLANK.(<P>CAPT'S ADI AND UPPER EICAS CAME BACK AFTER SHUTDOWN. SUPPLIED AIR FOR HOT/HUMID WEATHER CONDITIONS IAW B767AMM 21-00-00-862-068.</P>)Nov 5, 2021 · N1997A · Boeing 76733ASDR P5CA2021110400410Indicator · faultedCAPTAINS ADI BLANKED AND FADED OUT TO GREEN IN FLIGHT. EFI SWITCH BROUGHT SCREEN BACK. ELECTRIC AND OZONE SMELL LASTED FOR ABOUT 3 MINUTES AND WENT AWAY. EFI SWITCH RETURNED TO NORMAL AND SCREEN OPERATED NORMALY. EFIS OPERATION TEST PASSED IAW AMM 34-22-00-70Nov 5, 2021 · N644GT · Boeing 7673JHFSDR UIEA2021070801494Display · failedCAPTAINS ADI DISPLAY FLICKERED ON OFF. SMELL OF ELECTRIC BURNING. ALSO HEARD RELAY CLICKING NOISE. TURNED BRIGHTNESS DOWN, NO FURTHER PROBLEMS. PERFORMED SMOKE OR FUMES IN CABIN INSP. IAW AMM 05-51-56. NO SIGNS OF SMOKE OR OIL CONTAMINATION NOTED OPS NORMAL. Jul 8, 2021 · N1409A · Boeing 767306SDR YV3R2021062200464Gyro · defectiveCUSTOMER REPORTED DIRECTIONAL GYRO P/N: B823-18 WILL NOT POWER UP.Jun 9, 2021 · Robsin R44RAVENIISDR 2LCF20210227Adi · odorON FEBRUARY 27, AIRCRAFT N542LA DURING THE CRUISE PHASE ON THE MIA - CJC ROUTE (UC-1307) MOMENTARILY TURNED OFF THE ADI OF THE CAPTAIN'S POSITION AND FOLLOWED BY A SHORT-CIRCUIT NOISE AND SMELL OF SMOKE IN THE CABIN; THE CREW MADE THE DECISION DIVERT TO PTY’S Feb 27, 2021 · N542LA · Boeing 767SDR UIEA2021012100097Eicas · warning messageEICAS MESSAGE "EICAS DISPLAY" AT FL370 CLIMBING TO FL390. CAPT EHSI & EADI, AS WELL AS LOWER EICAS WENT BLANK. CREW COMPLETED QRH. CALLED MCC AND RETURNED TO HNL. CONDITION REMAINED FOR REMAINDER OF FLIGHT. CIRCUIT BREAKERS ADI AND HSI POPPED. DISCOVEREDJan 18, 2021 · N1361A · Boeing 76731BSDR UIEA2021012100098Eadi · malfunctionedINITIAL LEVEL OFF AT CRUISE FL410 UPPER EICAS DISPLAY INFORMATION BLURRED ALMOST UNREADABLE FOLLOWED BY SYMBOL GENERATOR FAILURE CA'S ADI. PRESSED EFI BUTTON TO ALT CORRECTING THE ADI DISPLAY INFORMATION SOON AFTER CA'S ADI FAILED IN EFI ALT MODE. DE-SELECTIJan 14, 2021 · N1361A · Boeing 76731BSDR 2021FA0000144Gyro · faultedAIRCRAFT WAS OPERATING UNDER 14 CFR 141 RULES IN IMC CONDITIONS WHEN THE AIRCRAFT EXPERIENCED AN INSTRUMENTATION FAILURE OF THE HORIZONTAL SITUATION INDICATOR. INSTRUMENT WAS OPERATING NORMALLY FOR THE FIRST 30 MINUTES OF IFR FLIGHT AND BECAME DEGRADED AFTER EJan 13, 2021 · N7073W · Piper PA28180SDR JIKA2020122901Light · shortedDURING APPROACH TO KIST, THE FLIGHT CREW NOTED A STRONG SMELL AND A SMALL CLOUD OF WHITE SMOKE STARTED COMING OUT FROM THE INSTRUMENT PANEL MOMENTARY AND THEN DISAPPEARED. THE PILOT GOT DISTRACTED AND DECIDED EXECUTING A GO AROUND. WHEN THE SMELL STARTED GETDec 29, 2020 · N226BH · Beech C99SDR UIEA2020081960778Hsi · smokeCA HSI/MFD SHORTED OUT INFLIGHT. CAPT REPORTED SMOKE IN THE COCKPIT AND FUMES WHICH CEASED ON THE WAY BACK TO HNL. REF ITEM 1 PER MCC REQUEST ADDITIONAL CHECKS TO INSURE COOLING SYS OPERATION NORMAL. REMOVED AND REPLACED CAPT HSI/MFD IAW B767 AMM 34-22-04 OPS Aug 16, 2020 · N1499A · Boeing 767328SDR UIEA2020081701786Eadi · failedCA SIDE EADI FAILURE IN FLIGHT FL 390. EFI SWITCH INEFFECTIVE REMOVED AND REPLACED CA EADI IAW AMM 34-22-03. OPS CHECK GOOD.Aug 13, 2020 · N663GT · Boeing 767324SDR UIEA2020072951613Adi · failedAT CRUISE, FL 330, CAPTAIN`S ADI FLICKERED THEN FAILED. AFTER SCREEN FAILED A STRONG ODOR AND NOXIOUS FUMES BECAME APPARENT ON GROUND, SAW ADI CIRCUIT BREAKER TRIPPED. PERFORMED INSPECTION OF CAPTAIN'S ADI. DETERMINED FAILURE OF CRT. REMOVED AND REPLACED THEJul 25, 2020 · N1409A · Boeing 767306SDR KCSA20200609702Eadi · failedCA ADI TURNED BRIGHT, THEN FUZZY, THEN OFF. ACRID BURNING WIRE SMELL ASSOCIATED. REMOVED AND REPLACED CAPT EADI IN ACCORDANCE WITH B767-300 AMM 34-22-03. ALL CHECKS GOOD. PERFORMED SMOKE/FUMES CONDITIONAL INSPECTION IN ACCORDANCE WITH B767-300 AMM 05-51-56. ALJun 7, 2020 · N739DH · Boeing 767324SDR KCSA2020060952603Eadi · failedADI INOP LIGHT SMOKE AND FUMES OBSERVED. REMOVED AND REPLACED CAPTAINS EADI IAW B767 AMM 34-22-03 OPS CHECK GOOD. PERFORMED AIRCRAFT SYSTEM OIL SMOKE/FUME CONTAMINATION MAINTENANCE PRACTICES IAW B767 AMM 21-00-21. NO FURTHER DEFECTS NOTED.May 26, 2020 · N739DH · Boeing 767324SDR UIEA2020051801066Symbol Generator · malfunctionedRT FLT DIRECTOR INOP ON CLIMB OUT(<P>REMOVED AND REPLACED RT SYMBOL GENERATOR PER B767 AMM 34-22-01. OPS CHECK GOOD.</P>)May 17, 2020 · N1361A · Boeing 76731BSDR UIEA2019081805213Eadi · failedELECTRICAL FUMES DETECTED SHORTLY AFTER ADI FAILURE. AFTER REMOVING AND REPLACING THE CAPTAIN`S EADI, PERFORMED SMOKE OR FUMES IN CABIN INSPECTION. NO DEFECTS NOTED AT THIS TIME IAW AMM 05-51-56-202-001 REV. 128. CAPT EADI WAS SOURCE OF SMOKE. AFTER R & R Aug 18, 2019 · N1361A · Boeing 76731BSDR UIEA2019071704772Software · defectiveFO SIDE TERRAIN INOP. FO SIDE WX RADAR ALSO REQUIRES WX RADAR TO BE PUSHED MULTIPLE TIMES. (<P>TRANSFERRED TO MDDR 114890 PER MEL 34-22-05B.</P><P>LP 1053563 - ITEM 1: VERIFIED SYMBOL GENERATOR ISOLATION IAW AMM 34-22-05B VERIFY EACH FLIGHT DAY. DMI 114890 REJul 17, 2019 · N1181A · Boeing 7673Y0SDR CA190716009Gyro · faulty(CAN) IT WAS REPORTED TO BELL:SHORTLY AFTER TAKEOFF, SMOKE STARTED TO FILL THE COCKPIT. THE PILOT TURNED OFF THE BATTERY, OPENED THE SIDE WINDOW, AND MADE AN EMERGENCY LANDING BACK AT THE POINT OF DEPARTURE. ONCE ALL ELECTRICAL POWER HAD BEEN TURNED OFF, INCLUJun 29, 2019 · Bell 206BSDR DXTA2019060402464Computer · erraticIN CRUISE FLIGHT, HAD A HEADING MISCOMPARE. STANDBY AND RIGHT PFD DIFFERED 8DEGREES FROM LEFT PFD. RAN THE APPROPRIATE CHECKLIST. DIVERTED. IN ROUTE LOST ALL HEADING INFORMATION BOTH PFD'S AND MFD AND STANDBY HDG. RAN CHECKLIST AND WERE EVENTUALLY ABLE TO REJun 4, 2019 · N685QS · Cessna 560XLSDR KCSA201906053106Indicator · shortedDECLARED EMERGENCY. ELECTRICAL BURNING SMELL AND ARCING SOUND BEHIND CAPTAIN SIDE EHSI. FOUND CAPTAINS EHSI SHORTED CAUSING BREAKER TO POP. REMOVED AND REPLACED EHSI IAW B767-300 AMM 34-22-04. ALL CHECKS GOOD AT THIS TIME.May 31, 2019 · N739CK · Boeing 767324SDR UIEA2019051504210Software · faultyF/O RADAR POWER BUTTON REQUIRES 2 CYCLES TO POWER. (<P>TRANSFERRED TO MDDR # 111669 PER DDG 34-43-01. CAT 'D' DUE 12SEP19. PLACARD INSTALLED. </P><P>LP 1079085 - M5: INSTALLED EFIS SYM GENERATOR SOFTWARE UPDATE IAW AMM 34-22-00. OPS CKS GOOD, THIS CLEARS MDDRMay 15, 2019 · N662GT · Boeing 76731ASDR YV3R2019012200083Gyro · spinningCUSTOMER REPORTED DIRECTIONAL GYRO P/N: B823-2 SPINS IN FLIGHT.May 14, 2019 · Robsin R44SDR 2019FA0000128Not Reported · malfunctionedAFTER UPGRADING THE AIRCRAFT FOR ADS-B PER SB, AND UPDATING G1000 SOFTWARE, THE AIRCRAFT BEGAN LOSING MAGNETIC HEADING AND DISPLAYING RED "X".Apr 24, 2019 · Cessna 172SSDR YV3R2019030100035Gyro · inoperativeCUSTOMER REPORTED DIRECTIONAL GYRO P/N: B823-5 TOPPLES (INOPERATIVE).Feb 28, 2019 · Robsin R44RAVENIISDR UIEA2018100802200Generator · faultyWEATHER DISPLAY (WXR DSPY) INTERMITTENT ON CAPT'S HSI. R&R GENERATOR ASSY-ELECTRONIC FLT IAW AMM 34-22-01, PERFORMED OPS CK, OPS CHECK SATISFACTORY.Oct 6, 2018 · N1427A · Boeing 767306SDR WX0A073259Relay · failedDURING CLIMB OUT, LOST CA & FO FLIGHT DIRECTORS. R & R THE GROUND RELAY.Jun 1, 2017 · N421NV · Doug DC983SDR 4VAA20170318001Display · odorSTRONG ODOR OF ELECTRICAL SMOKE DURING APPROACH WITH MOMENTARY DU4 OVERHEAT ADVISORY MESSAGE. APPROACH WAS CONTINUED WHERE AIRCRAFT LANDED WITHOUT INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE PERFORMED GVI OF FLIGHT COMPARTMENT, FORWARD FUSELAGE EXTERNAMar 18, 2017 · N824HK · Emb EMB145LRSDR AALA20170222031Gyro · faultyAIRCRAFT WAS GROUNDED. EMERGENCY DECLARED. DURING CLIMB AND INTO CRUISE THE HEADING ANNUNCIATOR ILLUMINATED MULTIPLE TIMES ACCOMPANIED BY PROCESSION OF NR 1 HSI BETWEEN 10 AND 15 DEGREES. REMOVED AND REPLACE NR 1 DIRECTIONAL GYROSCOPE IAW AMM 34-21-04. SYSTEM Feb 22, 2017 · N7528A · Doug DC982SDR HALA2016090400342Eadi · malfunctionedAIR TURN BACK DUE TO NR 1 EHIS INOPERATIVE. REMOVED AND REPLACED THE EADI IAW AMM 34-22-03. OPS TEST PASSED. OK FOR SERVICE.Sep 4, 2016 · N590HA · Boeing 7673CBSDR HALA2016060500229Symbol Generator · malfunctionedETOPS SIGNIFICANT SYS - CENTER SYMBOL GENERATOR INOPERATIVE, EFIS DISPLAY GO'S BLANK WHEN ALTERNATE EFIS SELECTED. R & R CENTER SYMBOL GEN IAW AMM 34-22-01. OPS CHECK GOOD. OK FOR SERVICE.Jun 5, 2016 · N583HA · Boeing 76733ASDR HALA2016021200044Eadi · malfunctionedF/O ADI FLICKERING CONSTANTLY, INCLUDING LOSS OF COLOR. ALSO, FAILED TOTALLY SEVERAL TIMES. SWITCHED EFI, NO CHANGE. REPLACED F/O EADI. GROUND OPS CHK OK, AMM 34-22-03. ACCOMPLISHED LMP MCDP TEST 30. NO FAULTS NOTED. ACFT LMP STATUS OK TO REMAIN AT, LAND Feb 12, 2016 · N582HA · Boeing 76733ASDR HALA2016020900033Adi · malfunctionedF/O FLT DIRECTOR FLICKERS. RE-SEATED F/O ADI. GROUND OPS CHECK OK, AMM 34-22-03. ACCOMPLISHED LMP MCDP TEST 30. NO FAULTS NOTED. ACFT LMP OK TO REMAIN AT, LAND 3.Feb 9, 2016 · N582HA · Boeing 76733ASDR ASOA20151017060CDisplay · faultyTHE CREW REPORTED STRONG ELECTRICAL OZONE/BURNING ODOR IN THE COCKPIT BEFORE APPROACH. F/O'S MFD WENT BLANK AT THE SAME TIME AND THEN CAME BACK ON AT THE GATE AFTER SHUTDOWN. MAINTENANCE INSPECTED AND REPLACED THE F/O'S MFD AND OPS CHECKS WERE GOOD.Oct 17, 2015 · N26545 · Emb EMB145LR
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