JASC 3421
Service difficulty reports · 1,143
Reports filed under 3421 · Attitude 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 = '3421' 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 = '3421' 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 AWXA9500421Standby Horizon · malfunctionedPHX\MCI - FLT 592 - ONE HOUR OUT OF PHX, THE STANDBY HORIZON FLAGGED AND THE CIRCUIT BREAKER TRIPPED. DUE TO MEL RESTRICTIONS, AIRCRAFT RETURNED TO PHX AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE POWER SUPPLY FAILED. REPLACED POWER SUPPLY AND INDICASDR 95ZZZX3455Power Supply · failedPHX\MCI - FLT 592 - ONE HOUR OUT OF PHX, THE STANDBY HORIZON FLAGGED AND THE CIRCUIT BREAKER TRIPPED. DUE TO MEL RESTRICTIONS, AIRCRAFT RETURNED TO PHX AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE POWER SUPPLY FAILED. REPLACED POWER SUPPLY AND INDICASDR SIMA951791Eadi · failedORD - FLT 4042 - ON TAXI OUT THE FLIGHT OFFICERS ADI DISPLAY WENT BLANK AND SMOKED UP THE COCKPIT. AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE NR 2 EADI. AIRCRAFT RETURNED TO SERVICE. (M)SDR HEEA955251Gyro · defectiveGYRO PRECESSES IN PITCH, SLOW TO ERECT, LIGHTS INOPERATIVE.SDR HEEA955237Gyro · defectiveV GYRO CAUSES ADI TO OSCILLATE.SDR MWEA95214Adi · flaggedPILOT REPORTS ON CLIMBOUT OF MKE THE ATTITUDE FLAG ON CAPTAINS ADI APPEARED. CYCLED CIRCUIT BREAKERS, FLAG STILL IN VIEW, RETURNED TO MKE. MAINTENANCE REPLACED CAPTAIN'S ADI. OPS CHECK GOOD, RETURNED A/C TO SERVICE.SDR 95ZZZX2932Gyro · defectivePILOT COULD NOT ADJUST THE GYRO WITH THE CAGING KNOB. REMOVED AND REPLACED UNIT AND SENT IN FOR REPAIR.SDR VTZA95183Adi · failedIAD-SYR - FLT NR 6387 - DURING CLIMB-OUT RETURNED TO IAD DUE TO THE RADAR ONLY PAINTS GROUND ON RIGHT SIDE. AIRCRAFT LANDED AT IAD WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED THE CAPTAINS ADI. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (SDR DHL95805003Vertical Gyro · malfunctionedRADAR STABILIZATION FAILED ON TAKEOFF. REMOVED AND REPLACED NR 2 VERTICAL GYRO. OPS CHECK OK.SDR HEEA955031Gyro · defectiveCO-PILOT GYRO RATCHETY.SDR HEEA955020Indicator · flag sticksATT. FLAG STICKING. TIME SINCE REPAIR 412:10.SDR HEEA954999Gyro · defectiveSLOW TO SCROLL AFTER START UP.SDR 95ZZZX3110Indicator · stuckADI STUCK IN PITCH AND RED FLAG 'ATT'. THIS IS SAME PROBLEM AS BEFORE.SDR COM20367Attitude Gyro · defectiveCOPILOTS ATTITUDE INDICATOR CIRCUIT BREAKER TRIPPED, WILL NOT RESET. REPLACED COPILOTS ATTITUDE INDICATOR.SDR HEEA954861Indicator · defectiveRATE OF TURN FLAG WILL NOT PULL SOMETIMES. TIME SINCE REPAIR 91:55.SDR HEEA954803Connector Plate · defectiveNOT EQUIPPED WITH A STANDBY ATTITUDE INDICATOR ON/OFF/TEST SWITCH.SDR 96ZZZX1043Indicator · defectiveTHE LEFT RIGHT KNOB WORKS IN THE OPPOSITE DIRECTION MORE THAN TWICE AS FAR LEFT AS RIGHT. UP/DOWN IMPROPER LIMITS.SDR DHL95741003Vertical Gyro · inoperativeON TAKE OFF, F/O ADI FAILED INTERMITTANTLY AT BANK ANGLES GREATER THAN 4 DEGREES. DIVERTED TO CVG, LANDING WITHOUT INCIDENT. REMOVED AND REPLACED NR 2 VERTICAL GYRO PER DHL 727 MM 34-22-21, ALL INICATIONS NORMAL.SDR 95ZZZW625Vertical Gyro · inopON TAKEOFF, FLIGHT OFFICER ADI FAILED INTERMITTENTLY AT BANK GREATER THAN 4 DEGREE. DIVERTED TO CVG. LANDING WITHOUT INCIDENT. REMOVED AND REPLACED NR 2 VERTICAL GYRO, PER DHL 727 MM 34-22-21. ALL INDICATIONS NORMAL.SDR HEEA954742Indicator · defectiveHORIZONTAL POINTER WILL NOT GO FULL SCALE.SDR HEEA954732Artificial Horiz · fails testFAILS TEST 3.2, 4.2, 4.4, 4.7, 4.8, 4.9 AND 8.1 TO 13.4 ON SST.SDR HEEA954721Gyro · malfunctionPILOT AND CO-PILOT HSI OSCILLATING EXCESSIVELY.SDR 9505639952Vert Gyro · malfunctionedFIRST OFFICER'S GYRO FLAG WAS IN VIEW DURING TAKEOFF ROLL. ABORTED TAKEOFF AT APPROXIMATELY 60 KNOTS AND RETURNED TO GATE. REPLACED THE NR 2 VERTICAL GYRO. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.SDR IXXA199544Vertical Gyro · failedBQN - ON DEPARTURE, THE FIRST OFFICER'S ADI TUMBLED. THE AIRCRAFT RETURNED TO BQN FOR MAINTENANCE. MAINTENANCE REPLACED THE NR 2 VG, AND RETURNED THE AIRCRAFT TO SERVICE. (X)SDR HEEA954584Indicator · defectiveATTITUDE INDICATOR WON'T STAY ERECT.SDR HEEA954570Gyro · precessingGYRO PRECESSING.SDR HEEA954564Gyro · precessingGYRO PRECESSING.SDR ABXA9500200Display Unit · failedDURING PREFLIGHT, FOUND THE CAPTAINS DU NR 2 DISPLAYING THE SG FLAG AND EMITTING A BURNING ODOR. NOT VERIFIED. REMOVED AND REPLACED THE CAPTAINS NR 2 DU AS A PRECAUTIONARY MEASURE. SYSTEMS OPS CHECKED GOOD IAW SUPP MM CHAPTER 34.SDR 9503769953Vert Gyro · malfunctionedCAPTAIN'S ATTITUDE INDICATOR GYRO FLAG APPEARED DURING CLIMB-OUT. PITCH WENT TO 15 DEGREES AND LOCKED. FLIGHT RETURNED TO GTF AND LANDED WITHOUT INCIDENT. REPLACED CAPTAIN'S VERTICAL GYRO AND ADI. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.SDR COM11808Eadi · failedDURING DESCENT CREW NOTED BURNING ELECTRICAL SMELL IN COCKPIT. COPILOT'S EADI FAILED. REPLACED COPILOT'S EADI.SDR 9503509937Attitude Ind · malfunctionedCAPTAIN'S VERTICAL GYRO FAILED ON ROTATION. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED THE NR 1 VERTICAL GYRO WITH NO HELP. REPLACED NR 1 ATTITUDE DIRECTIONAL INDICATOR. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.SDR HEEA954463Indicator · failedINOPERATIVE IN PITCH MODE.SDR HEEA954427Gyro · defectiveVALID FLAG ON HSI DOES NOT PULL. PART RECEIVED INSTALLED ON AIRCRAFT ON 2-1-95. (PREVIOUS AIRCRAFT NUMBER WAS VH-LHQ)SDR 9503169882Vertical Gyro · malfunctionedCAPTAIN'S VERTICAL GYRO FAILED DURING TAKEOFF ROLL AT DTW. ABORTED TAKEOFF AND RETURNED TO GATE. REPLACED CAPTAIN'S VERTICAL GYRO. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.SDR LOVA950224Gyro · malfunctionHEADING FLAG FAILS TO CANCEL ON EADI DISPLAY. REPLACED DIRECTIONAL GYRO WITH SERVICEABLE UNIT. OPS CHECKS OKAY. (X)SDR HAL95022Adi · failedFLT NR 172 - HNL - CAPTAINS ADI GYRO FLAG ON ADI STUCK ON 12 DEGREES NOSE-UP. MADE AIR TURN BACK TO HNL. REMOVED AND REPLACED THE CAPTAINS ADI AND THE GROUND OPERATIONAL CHECK WAS OK. (W)SDR MALA954301Attitude · failedFLT 3467 - UPON DEPARTURE FROM DTW, THE ARTIFICIAL HORIZON TUMBLED DURING ROTATION. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE NR 1 ATTITUDE GYRO. SYSTEM OPERATED SATISFACTORILY. (Z)SDR TSAA9534026Adi · failedFLT 201 - HNL-LIH - FIRST OFFICER ATTITUDE FAILED JUST AFTER TAKEOFF. RETURN TO HNL. REMOVED AND REPLACED NR 2 ADI. GROUND OPS CHECK OK. AIRCRAFT RETURNED TO SERVICE. (Z)SDR 9501849754Vertical Gyro · malfunctionedCAPTAIN'S VERTICAL GYRO FAILED AFTER TAKEOFF. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED THE NR 1 VERTICAL GYRO AND ADI. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.SDR 95ZZZX867Vertical Gyro · failedATL/MIA - FLT 595 - RETURNED TO ATL DUE TO FIRST OFFICER'S GYRO WENT INOP ON CLIMB-OUT. REMOVE AND REPLACE NR 2 GYRO AND REMOVE AND REPLACE INSTRUMENT AMP PER MM 34-00, OPS CHECK NORMAL.SDR 95ZZZX866Vertical Gyro · failedATL/BNA - FLT 558 - RETURNED TO ATL DUE TO FIRST OFFICER'S ADI FAILING DURING CLIMB-OUT. REMOVED AND REPLACED NR 2 VERTICAL GYRO. OPS CHECK GOOD PER MM 34.SDR VTZA95011Standby Adi · failureIAD-ROC - FLT 6452 - DURING CRUISE AT 1355 HOURS ON 1-9-95, RETURNED TO IAD DUE TO THE STANDBY ADI FAILING IN-FLIGHT. AIRCRAFT LANDED WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED STANDBY ADI. (X)SDR 95ZZZX693Base Assy · plating peelPLATING IS BLISTERING AND PEELING ON THE INSIDE AND OUTSIDE OF BASE ASSEMBLY. LOOSE PLATING CAN POTENTIALLY CAUSE CIRCUIT SHORTS AND INTERFERE WITH GYRO AXIS FUNCTIONS.
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