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.
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
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 AALA202108188046Adiru · faultyAIRCRAFT WAS GROUNDED: CAPTAIN AIRSPEED INDICATOR READ ZERO AT 80 KNOTS. ABORTED TAKEOFF AT 85 KNOTS. **SUPPLEMENTAL REPORT FOR AALA202108168046: REPLACED AIR DATA INERTIAL REFERENCE UNIT 1 PER AMM 34-12-34.** (CLOSED)SDR CALA2021081601333Adiru · failedLEFT IRS FAILED AFTER T/O REF AMM TASK 34-21-01-400-801, REMOVED AND REPLACED LEFT ADIRU. OPERATIONAL CHECK NORMAL. LAND VERIFY COMPLETED SATISFACTORILY. AC REMAINS FULL CAT CAPABLE. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1969459 SN OFF 5529 UNIT, ADIRU, SDR A9JA202107200001Ahrs · disengagedBOTH AHRS LOST DATA AT THE SAME TIME WHILE IN CRUISE AFTER BEING RESET THEY REENGAGED AND FUNCTIONED NORMALLY.SDR AALA202107067662Adiru · faultedAIRCRAFT WAS GROUNDED: REJECTED TAKEOFF DUE TO AIRSPEED DISAGREE. REPLACED AIR DATA INERTIAL REFERENCE UNIT WITH SERVICEABLE UNIT IAW AMM 34-21-01, OPS CHECK GOOD.SDR I5EA2021062900002Adapter · inoperativeLOSS OF BOTH ADI'S AND BOTH FLIGHT DIRECTORS, USED STANDBY ADI TO RETURN TO FIELD, EMERGENCY DECLARED. REMOVED AND REPLACED DIGITAL ANALOG ADAPTER IAW B737-400 AMM 34-28-11, OPS CHECKED GOOD. ALSO PERFORMED FLIGHT DIRECTOR CHECK INTHE DFCS BITE CHECK IAW B73SDR Q5QA2021050402Ahrs · malfunctionedTHE PILOT WAS CRUISING IN BAD WEATHER WHEN HE EXPERIENCED SEVERE TURBULENCE. SHORTLY THEREAFTER, THE #1 AHRS FAILED, INDICATING A RED X ACROSS THE SCREEN. THE PILOT DECLARED AN EMERGENCY AND DIVERTED INTO BIRMINGHAM, ALABAMA AIRPORT (BHM). UPON APPROACH INTSDR 2021FA0000114Indicator · auto shutdownASPEN EFD1000PRO MAX PFD (SW MAP 2.10.2) (SW IOP (2.2.1) TWO RESET/REBOOT SITUATIONS OCCURED. FIRST OCCURED AFTER AVIONICS SYSTEM SPIN UP ON THE RAMP. PFD SPUN UP TO NORMAL. THEN THE DISPLAY WENT BLANK, AND THEN REBOOTED. SECOND CONDITION OCCURED IN THE AIR SDR ASAA2021032934452Selector · failedIRS RIGHT FAILED. GROUNDED - YES. DIVERSION TIME 21 MINUTES - PERFORMED #2 IRS BITE FOUND MAINT MESSAGE 34-21009 IN CURRENT STATUS AND FLIGHT LEG 1. ALSO SHOWS CODE 09 ON ISDU RE-ENTERED IRS POSITION - REALIGNED IRU'S NO FAULTS. REF B737-800 AMM 34-21-00. NO TSDR SWIA202156967Adc · failedDURNING OUR DESCENT, WE EXPERIENCED AN EFIS COMP MON CAUTION MESSAGE FOLLOWED BY A MACH TRIM AND STALL FAIL CAUTION MESSAGE. WE HAS IAS COMPARATOR FLAGS ON BOTH PFDS. WE RECOGNIZED THAT IT WAS THE FO SIDE PFD THAT WAS THE ISSUE. FOLLOWED QRH PROCEDURE. ARRIVEDSDR SWAA2021031253784None · burnedSUPPLEMENTAL INFORMATION: SUPPLEMENTAL INFORMATION----------------STRANGE BURNING SMELL IN COCKPIT. REINSPECT OF PLASTIC BURNING NO SMELL IN CABIN. SEEMS TO DISSAPATE WHEN RECIRC FAM TURNED OFF / PERFORMED CONDITIONAL INSP. IAW AMM 05-51-56.SEE LOG PAGE 156956SDR ASAA2021021734164Adiru · faultedR IRS FAULT. GROUNDED - YES. AIR TURN BACK. DIVERSION TIME 134 MINUTES - NO CURRENT FAULT OR INFLIGHT FAULT ON R-ADIRU BITE. DFCS FFR SHOWS 6 FAULTS R-ADIRU 22-11423, 22-11006, 22-11423 ON CH-B. MSG 22-11379, 22-11005 CH-A. REMOVED & REPLACED R-ADIRU REFSDR AALA202102189018Display · inoperativeAIRCRAFT WAS GROUNDED: STANDBY ATTITUDE INDICATOR FAILED, FLIGHT DIVERTED TO PHX AND LANDED WITHOUT INCIDENT. REPLACED INTEGRATED STANDBY FLIGHT DISPLAY WITH SERVICEABLE UNIT IAW AMM 34-24-02, OPS CHECK GOOD.SDR SWAA2021020146045Module · faultyIAS DISAGREE INDICATION WITH CAPT SIDE AIRSPEED ROLLING BACK AT STABLE CRUISE FL 390. COMPLIED WITH QRC AND BEGAN DECENT. AROUND FL 300 AFTER 10 MINUTES AIRSPEEDS MATCHED AND IAS DISAGREE LIGHT EXTINGUISHED / REMOVED & REPLACED CAPT'S PITOT PROBE PER M/M - REFSDR DXTA2021011804600Actuator · defectiveDURING CRUISE FLIGHT AT FL430 THE GIA FAIL 2 MESSAGE ILLUMINATED. ALONG WITH THIS MESSAGE THE ENGINE CNTRL FAULT L-R ILLUMINATED AS WELL. AFTER COMPLETION OF CHECKLIST BOTH MESSAGES REMAINED ILLUMINATED. LANDING GEAR WAS BLOWN DOWN FOR LANDING AS PRECAUTIONSDR MASA2020122510665Ahrs · failedAHR1 FAIL IN FLT-EMERGENCY DECLARED.SDR 2020FA0000427Dpu · faultedAIRCRAFT ENROUTE TO PICK-UP PASSENGER RECEIVED "DPU FAIL" IN BOTH EADI/EHSI DISPLAY. PILOT DIVERTED TO KVJI AS PRECAUTION ACTION. AIRCRAFT LANDED WITHOUT ANY ISSUES. BASE MECHANIC REMOVED AND REPLACED COLLINS DPU-84 UNIT TO REPAIR THE ISSUE.SDR AALA2020081089009Aoa · inoperativeAIRCRAFT IN BASE MAINTENANCE - FUNCTIONAL CHECK FLIGHT: DURING STALL WARNING CHECK, FAILED DUE TO AOA SENSOR INPUT HAS NO OUTPUT, ADIRV MSG 34-31601. REMOVED AND REPLACED LEFT AOA (ANGLE OF ATTACK) SENSOR PER AMM 34-21-04, CHECKED GOOD.SDR UIEA2020072701632Eadi · failedSHORTLY AFTER TAKE OFF, CA HSI AND ADI GO FULL BRIGHT WITH NO INPUT FROM CA FO HEARD CLICKING, & ENTIRE CREW SMELLED FUMES, BRIGHT RED SQUARE APPEARS ON CA HSI, THEN WENT BRIGHT ORANGE WITH APPEARANCE OF SPARK LOOKING DOT IN CENTER HSI FAILED, EFI SWITCH PUSHSDR AALA2020072219001Sensor · malfunctionedAIRCRAFT GROUNDED: CLIMBING OUT OF FL300, FIRST OFFICERS AIRSPEED BECAME UNRELIABLE, EEC'S WENT TO ALT. BELOW FL200, INSTRUMENTS NORMALIZED. AIRCRAFT RETURNED TO MIA WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT (NO EMERGENCY WAS DECLARED). REMOVED AND RESDR 2020FA0000304Ahrs · malfunctionedIN LEVEL CRUISE FLIGHT IN VMC, THE G1000 NXI PHASE II AHRS DISPLAYED A RED X AND THE AUTOPILOT DISENGAGED. THE PFD SHOWED FAILED ATTITUDE AND HEADING WITH THE MESSAGE AHRS ALIGN: KEEP WINGS LEVEL. THE GPS CONTINUED TO OPERATE NORMALLY. AFTER 32 SECONDS, THE SDR 2020FA0000263Indicator · faultyHAVE HAD THE KI300 ATTITUDE INDICATOR REPLACED TWICE DUE TO BUILDING UP ERRONEOUS ERRORS AND BECOMING UNSAFE IN FLIGHT. IT WARMS UP AND ALIGNS CORRECT, JUST LIKE MY OTHER, BUT AFTER ANYWHERE BETWEEN 10-30 MINS OF FLIGHT IT BECOMES UTTERLY INACCURATE CAUSING A SDR HKGA202001310001Eadi · burned outRH ATTITUDE INDICATOR SCREEN WENT BLANK, THEN CREW NOTED SMOKE ODOR IN COCKPIT. EMERGENCY DECLARED AND AIRCRAFT DIVERTED TO THE NEAREST AIRPORT. REMOVED AND REPLACED RH EADI. OPS CHECK GOOD.SDR AALA201912169044Adiru · faultyAIRCRAFT WAS GROUNDED: PILOT REPORTS ON DESCENT, FMC MESSAGE- IR5-L DRIFT THEN VERIFY POSITION LEFT PFD TUMBLED AND HEADING WAS INCORRECT. FINALLY THE LEFT IRS FAULT LIGHT ILLUMINATED. ON FINAL AIRSPEED LOW WARNINGS. THE F/O INSTRUMENTS WERE NORMAL THROUGHOUSDR SWAA2019121239561Sensor · no testDIVERSION/DECLARED EMERGENCY-------------------------------------------------------------AT FL400 INDICATED AIR SPEED DISAGREE FLAG ON PRIMARY FLIGHT DISPLAY +- 5-6 KTS BETWEEN CAPTAIN/FIRST OFFICER/STANDBY AIR SPEED. DURING DESCENT CAPTAINS AIR SPEED GRADUALLSDR ASOA2019121605117Display · odorCREW REPORTED ELEC. FUMES SMELLED ON FLIGHT DECK ON T/O ROLL, ABORTED T/O AT 90KTS. MX R&R CA'S PFD WITH OPERATIONAL CHECK GOOD AND NOT SMELL NOTED. A/C WAS APPROVED FOR RETURN TO SERVICE.SDR ASOA2019112205113Display · odorPILOT REPORTED ELECTRICAL SHORT FUMES IN COCKPIT. MX REMOVED AND REPLACED THE EICAS DISPLAY UNIT WITH OPERATIONAL CHECK GOOD. A/C WAS APPROVED FOR RETURN TO SERVICE.SDR AALA201911209015Warning Light · false activationAIRCRAFT NOT GROUNDED: PILOT REPORTS PWS FAIL ILLUMINATED ON THE CA ND DURING TAKEOFF ROLL, BOTH CA AND FO LOST THERE FDS ONCE AIRBORNE THE CAS TCAS FAILED AND BOTH FDS CAME BACK.THEN THE CA NOTICED HE HAD NO HEADING BUG ON THE ND, THE F/O HAD A HEADING BUG ANSDR AALA201911159018Air Data Module · fodAIRCRAFT WAS GROUNDED: PILOT ABORTED T/O AT 125KTS DUE TO FIRST OFFICER AND CAPTAIN AIRSPEED SPLIT. MAINTENANCE TROUBLESHOT AND FOUND FOD (BEES) INSIDE PITOT AND ADM. REMOVED AND REPLACED F/OS ADM IAW AMM 34-21-00 AND 34-21-04. REMOVED AND REPLACED F/OS PITOT SDR AALA2019111329013Adiru · faultyAIRCRAFT WAS GROUNDED: PILOT REPORTS AUTO THROTTLE & AUTO PILOT DISCONNECT UNCOMMANDED. MAINTENANCE REPLACED #1 AIR DATA INERTIAL REFERENCE UNIT IAW AMM 34-21-01. ALL CHECKS ARE NORMAL.SDR SWAA2019112038986Probe · failedAIR TURNBACK---------------------------------------------------------"AT LIM" AFTER SELECTING CLIMB POWER, LEFT ENGINE FAILED TO ACHIEVE RATED CLIMB POWER WITH LEFT THRUST LEVER AT MAX FORWARD POSITION "FIREWALLED" (AIR TURN BACK).SDR ASAA2019100753935Adiru · faultedSHORTLY AFTER TAKEOFF THE LEFT IRS FAILED COMPLETELY WITHOUT ANY WARNING ANNUNCIATIONS. GROUNDED - YES. AIR TURNBACK. DIVERSION TIME 62 MINUTES - COULD NOT DUPLICATE FAULT. ADIRS BITE REF B737-900 FIM 34-21 TASK 801, SHOWS NO CURRENT FAULTS. CDS BITE REF FIM 3SDR KCSA20191011002Eadi · failedCAPTAIN ATTITUDE DIRECTIONAL INDICATOR WENT BLANK ON THE ARRIVAL WITH THE SMELL OF ELECTRICAL SMOKE AND A POPPING SOUND. LEFT ATTITUDE DIRECTIONAL INDICATOR CIRCUIT BREAKER POPPED. CHECK WIRES FROM CBC593 THROUGH LEFT ATTITUDE DIRECTIONAL INDICATOR CONNECTION SDR KCSA2019101192611Symbol Generator · failedCAPTAINS SIDE EXPERIENCED ELECTRICAL BURNING SMELL AFTER ELECTRONIC FLIGHT INSTRUMENT SWITCH WAS SELECTED DUE TO POSSIBLE SYMBOL GENERATOR FAILURE. REMOVED AND REPLACED CENTER GENERATOR IAW B767-300 AMM 34-22-01. ALL CHECKS GOOD. PERFORMED AUTOPILOT FLIGHT DIRSDR MASA2019082512020Flag · displayedRED MAG FLAGS ON DISPLAYSSDR 2020FA0000302Ahrs · warning messageIN LEVEL CRUISE FLIGHT IN VMC, THE G1000 NXI PHASE II AHRS SUDDENLY WENT OFFLINE. THE AUTOPILOT DISENGAGED. THE PFD SHOWED FAILED ATTITUDE AND HEADING WITH THE MESSAGE "AHRS ALIGN: KEEP WINGS LEVEL." GPS CONTINUED TO OPERATE NORMALLY. I MANUALLY KEPT THE PSDR 2019FA0000240Indicator · abnormalHAD NAVIGATION DIFFICULTIES DURING POSSIBLY ALL PHASES OF FLIGHT , INCLUDING INTERMITTENT FALSE HEADING INDICATIONS ON PFD. SYSTEMS THAT MAY BE INVOLVED INCLUDE AVIDYNE EFIS AND FLUX GATE SUBSYSTEM.SDR AALA201906249011Sensor · unreliableAIRCRAFT WAS GROUNDED: PILOT REPORTS SPD LIM FLAG IN VIEW ON CA SIDE CAME ON AFTER TAKEOFF AND STAYED ON ENTIRE FLIGHT, STALL WARNING STICK SHAKER CAME ON AT LEAST 10 TIMES IN FLIGHT FOR A FEW SECONDS EACH TIME. ALSO, FLT CONT LIGHT ON AND AUTO SLAT FAIL STAYSDR DXTA2019050702358Power Supply · malfunctionedMAU 1 FAIL AMBER CAS ILLUMINATED - MAU 1 FAIL AMBER CAS MESSAGE ILLUMINATED IN FLIGHT A FL400 DURING CRUISE. ****CORRECTIVE ACTION**** REPLACED POWER SUPPLY MODULE ASSY.SDR ASAA201904249119Adiru · failedLOSS OF ALL HEADING INFO ON CAPTAIN'S SIDE DISPLAYS. GROUNDED - YES. DIVERSION TIME 38 MINUTES. #1 IRU LOGGED 34-21009 ENTER HEADING, DFCS FAULT REVIEW LOGGED 5 ADIRU #1 DATA INVALID FAULTS LAST LEG. R/R #1 ADIRU PERB737-800 AMM 34-21-01. SYS OPS CKS NML PER SSDR CA190415012Ahrs · failed(CAN) PILOT REPORT THAT THE #2 EHSI AND EADI FAILED ON CLIMBOUT. MAINTENANCE ACTION: #2 AHRS REPLACED AND TESTED IAW AMM 34-20-00. AIRCRAFT HOURS: 66071:48. CYCLES: 81263. (TC# 20190415012)SDR CA190227004Ahrs · failed(CAN) WHILE ON TAKE-OFF ROLL, @ 40 KNOTS AHRS FAILED (TC# 20190227004)SDR N6WA2019010701Computer · malfunctionedHEADING DISPLAY BETWEEN MFD 1 AND 2 DISAGREE BY 20 DEGREES. R/R AHC NR 1 IAW AMM 34-21-01 PN ON/OFF 622-9336-400 SN OFF 1729 SN ON 3749 PERFORMED OPS CHECK OPS CHECK GOOD.SDR DXTA2018112601706Display · odorBURNING SMELL IN COCKPIT SECOND DAY IN A ROW. W/O T2PL6D006BYNF PERTAINS. THEN MFD WENT BLANK AT 1+50 OF 3.0 FLIGHT. BURNING SMELL CEASED WITH MFD FAILURE. SUPPLEMENTAL INFORMATION: REMOVED & REPLACED MFD..P/N OFF: 7023460-05001 / S/N OFF: 06022851 - P/N SDR MASA2018110911510Ahrs · erraticEFIS COMP MON- ALL FLT INDICATIONS ERRATIC
REPLACED #2 AHRSSDR HNAA2018110800276Indicator · inaccuratePDIS 692 34-22 1640842 05NOV18 MDT CLOSE
IN STRAIGHT AND LEVEL FLIGHT ISIS STAND BY ATTITUDE
INDICATOR SHOWS BETWEEN 20-30 DEG NOSE UP PITCH AND
20 DEG OF RIGHT BANK
FACT 06NOV18 01:31 MDT
R/R INTEGRATED STANDBSDR UIEA2018102502341Irs · malfunctionedNO 1 FMC EICAS MSG ENROUTE, SCRATCH PAD MSG SHOWED SPLIT IRS. R&R LEFT AND CENTER IRS IAW AMM 34-21-01, OPS CHECK NORMAL.SDR ASAA2018070425276Iru · out of alignmentWXR FAIL. GROUNDED - YES. REALIGNED IRU'S, PERFORMED WEATHER RADAR SYS BITE TEST PER FIM 34-43 TASK 801. NO FAULTS FOUND. WXR FAIL LIGHT GONE. OK FOR SERVICE.SDR UIEA2018062601265Control Panel · faultyF/O WX ON TERRAIN DISPLAY INOP. REMOVED AND REPLACED EFIS CONTROL ON F/O`S IAW AMM 34-22-02. OPS CHECK GOOD IAW AMM 34-43-00.SDR UIEA2018061901197Control Panel · faultyCAPT WX RADAR INTERMITTENT WX FAIL. REMOVED AND REPLACED EFIS CONTROL PANEL PER 34-22-02. OPS CHECKED NORMAL.SDR HALA2018061800287Indicator · malfunctionedISIS ATT FLAG DISPLAYED, NO ATT INDICATION. REPLACED ISIS IAW AMM 34-22-25, ALL TEST PASSED, OK FOR SERVICE.
Back to JASC 3420