JASC 3418
Service difficulty reports · 1,641
Reports filed under 3418 · Stall Warning 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 = '3418' 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 = '3418' 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 RAIA960519Sig Summing Unit · failedSTL - FLT 7360 - LEFT STALL CAPTION ILLUMINATED IN FLIGHT. MAINTENANCE REPLACED LEFT STALL SIGNAL SUMMING UNIT. (M)SDR VTZA96165Summing Unit · failedFLT 6455 - IAD-PHL - DURING APPROACH, THE STALL WARNING HORN AND STICK SHAKER ACTIVATED. AIRCRAFT LANDED AT PHL WITH NO FURTHER INCIDENTS. AIRCRAFT WAS THEN FERRIED TO IAD WHERE IT LANDED WITH NO INCIDENTS. MAINTENANCE REPLACED THE RIGHT SIGNAL SUMMING UNITSDR 96ZZZX2509Lift Detector · shortedAFTER FLIGHT THROUGH RAIN, WATER ENTERS LIFT DETECTOR AND CAUSES STALL WARNING HORN TO SOUND CONTINUOUSLY. UNIT IS NOT EASY TO DRY OUT REQUIRING REPLACEMENT. SUBMITTER STATED THIS IS A RECURRING PROBLEM. RECOMMEND IMPROVED INTERNAL SEALING OF LIFT DETECTOR.SDR COMA9660071Computer · failedSTALL FAIL MESSAGE ON EICAS. REPLACED THE STALL PROTECTION COMPUTER.SDR VTZA96162Sig Summing Unit · out of adjustIAD/ALB - FLT 6556 - DURING CLIMB-OUT AT 1255 HRS ON 4-21-96, RETURNED TO IAD DUE TO THE STALL WARNING AND STICK SHAKER ACTIVATING DURING THE CLIMB-OUT. AIRCRAFT RETURNED TO IAD WITH NO FURTHER INCIDENTS. MAINTENANCE ADJUSTED THE LT AND RT STALL WARNING SIGNSDR VTZA96155Lift Transducer · failedCMH/IAD - FLT 36286 - DURING CLIMB-OUT AT 0845 HRS ON 4-18-96, RETURNED TO CMH DUE TO THE LEFT STALL WARNING SYSTEM IDENT, STICK SHAKER, AND HORN SOUNDED IN-FLIGHT ON CLIMB-OUT. AIRCRAFT WAS THEN FERRIED TO IAD AND LANDED AT IAD WITH NO FURTHER INCIDENTS. MASDR 96ZZZX2245Diode · burnedAIRCRAFT RETURNED TO MAINTENANCE WHEN COCKPIT FILLED WITH SMOKE SHORTLY AFTER TAKEOFF. AOA HEATER CIRCUIT BREAKER TRIPPED AND WOULD NOT RESET. INVESTIGATION REVEALED TWO DIODES IN AOA HEAT CIRCUIT TOUCHING GROUND THROUGH RIGHT PITOT STATIC HEAT SWITCH. A RESDR 96UAL900245Aoa Sensor · inoperativeSTICK SHAKER OCCURRED ON ROTATION, RETURNED TO LAX FOR NORMAL LANDING. *S/D* REPLACED ANGLE OF ATTACK SENSOR, SYSTEM CHECKS OK.SDR CA960412001Stall Warn · defective(CAN) THE STALL WARNING REED WAS REPLACED DUE TO INTERMITTENT ACTIVATION IN THE STALL CONDITION. THE NEW REED ACTIVATED 2.6 HOURS LATER. THIS REED WAS REPLACED AND ANOTHER INSTALLED ONLY TO SOUND ANOTHER 1.3 HOURS INTO ITS SERVICE LIFE. IT WAS DISCOVERED THAT SDR SCNA96036Aoa · failedSTALL WARNING ACTIVATED AFTER TAKEOFF, AIRCRAFT RETURNED TO BLOCK. REMOVED AND REPLACED ANGLE OF ATTACK SENSOR.SDR 9606159947Stall Warn Comp · failedSTALL WARNING INDICATION FAILURE LIGHT ILLUMINATED AFTER TAKEOFF. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED NR 2 STALL WARNING COMPUTER AND TONE GENERATOR, OPERATIONAL CHECK NORMAL.SDR MZZA96012Aoa Sensor · failedGUM - FLT 873 - STICK SHAKER CAME ON RIGHT AFTER TAKEOFF, FLAPS 15 FEET, 5 FEET, 2 FEET, STAYED ON CONSTANTLY. IT CAME ON AFTER 2 FOOT FLAPS FOR EXTENSION ON LANDING. MAINTENANCE FOUND WIRE LOSE ON NLG GROUND/AIR SENSE SWITCH. MECHANIC SECURED WIRE AND REPLSDR VTZA96085Stall Vane · out of adjustFLT NR 6570 - IAD-MDT - ABORTED TAKEOFF DUE TO THE STALL WARNING AND STICK SHAKER SYSTEM ACTIVATING. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE ADJUSTED BOTH STALL VANES. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)SDR 9603512298Transducer · malfunctionedDURING ROTATION ON A 5 DEGREE FLAP TAKEOFF, THE STALL WARNING CONTROL COLUMN SHAKER INITIATED. SHAKER CONTINUED THROUGH CLIMB DURING FLAP RETRACTION AT NORMAL SPEEDS. VISUAL SCAN OF THE WINGS WAS NORMAL. AN EMERGENCY LANDING WAS DECLARED AND THE AIRCRAFT RESDR 9602801146Stall Transducer · malfunctionedDURING TAKEOFF, AUTO SLAT WOULD NOT RETRACT AND STICK SHAKER ACTIVATED. DUMPED 16,000 LBS OF FUEL AND RETURNED TO DTW. REPLACED AT/SC COMPUTER (11-2232-9-0001, SN 10201) AND THE NR 1 STALL TRANSDUCER (11-3418-9-0001, SN 00438).SDR CA960214009Switch · shorted(CAN) SIGNAL SUMMING UNIT (SSU) FAIL LIGHT COMES ON INDICATING A FAULT IN THE STALL PROTECTION SYSTEM. SUBMITTER STATES THEY HAVE REPLACED THREE UNITS WITHIN THE LAST 200 HOURS.SDR COMA9660025Sensor · defectiveTHERE IS A 25 KNOT DIFFERENCE BETWEEN THE GREEN LINE ON LT AND RT AIRSPEED INDICATORS. REPLACED THE RT AOA VANE.SDR CKSA96009Transducer · shortedKLAX - FLT 71573 - AFTER TAKEOFF, STALL WARNING AND STICK SHAKER STAYS ON FROM FLAP 12 DEGREE TO FLAP ZERO DEGREE POSITION. REMOVED AND REPLACED LIFT TRANSDUCER. OPS CHECKS NORMAL IAW MM 34-16-1. (X)SDR COMA9660020Pseu · defectiveWOW OUTPUT AND WOW INPUT CAUTION MESSAGE ON EICAS. REPLACED THE PROXIMITY SENSOR ELECTRONIC UNIT.SDR 9601279982Aoa Transducer · failedDURING CLIMB, THE STALL INDICATION WARNING LIGHT ILLUMINATED. FOLLOWED COCKPIT OPERATING MANUAL PROCEDURES AND LIGHT REMAINED ILLUMINATED MOMENTARILY, THEN EXTINGUISHED. AIRCRAFT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED THE NR 2 ANGLE OF ATTACKSDR 96ZZZX1141Accelerometer · failedFLASHING STALL LIGHTS ON TAKEOFF. FOUND NR 2 LATERAL ACCELEROMETER STICKING AT MINUS 10.8 VDC. THIS IS ABOUT THE TENTH ACCELEROMETER TO BE CHANGED IN THIS AIRCRAFT. THIS ACCELEROMETER WAS A CND UNIT FROM THE VENDOR. REMOVED AND REPLACED ACCELEROMETER.SDR 9600939613Computer · failedDURING CLIMB, THE STALL INDICATION FAILURE LIGHT ILLUMINATED. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED THE STALL WARNING COMPUTER AND OPERATIONAL CHECK GOOD.SDR RAIA960117Lift Transducer · failedSTL - FLT 7300 - DURING TAXI OUT, STICK SHAKER ACTIVATED. MAINTENANCE REPLACED RIGHT LIFT TRANSDUCER. SYSTEM OPERATIONAL CHECK GOOD. (X)SDR COMA9610019Aoa · defectiveSTICK SHAKER CAME ON DURING TAKEOFF ROLL. REPLACED THE LT ANGLE OF ATTACK VANE.SDR CA960111012Module · intermittent(CAN)AFTER TAKEOFF AT 170 KTS AND 600 FT THE STICK SHAKER CAME ON AND STAYED ON UNTIL 230 KTS. THEN SHAKER CAME BACK ON AT 250 KTS. STALL WARNING TESTED WITH NO CHANGES. WHILE RETURNING TO YUL SHAKER STOPPED AND NEVER CAME BACK ON. MODULE REPLACED.SDR RAIA960101Lift Transducer · failedSTL - FLT 7326 - ON CLIMB-OUT AT 2,000 FEET, LEFT STALL SYSTEM ACTIVATED AND WOULD NOT STOP. HAD TO TURN OFF STALL SYSTEM TO DEACTIVATE STICK SHAKER. MAINTENANCE REMOVED AND REPLACED LEFT LIFT TRANSDUCER. OPERATIONAL CHECK GOOD. (X)SDR COMA9560627Computer · defectiveSTALL FAIL MESSAGE AFTER TAKEOFF. REPLACED THE STALL PROTECTION COMPUTER.SDR COMA9560622Stall Warn Unit · defectiveAT 37,000 FEET THERE IS A 12 KNOT DIFFERENCE BETWEEN PILOTS AND COPILOTS STALL WARNING SYSTEM. REPLACED THE STALL PROTECTION UNIT.SDR AWXA9500815Aoa Sensor · failedLAS - FLT 131 - AIR-TURN-BACK, STICK SHAKER ACTIVATED AT ROTATION (139K) AND CONTINUED THROUGH 240K, THEN OFF. ON AGAIN AT 280K, THEN INTERMITTENT. ON RETURN TO LAS, STALL WARNING SWITCH WOULD SOMETIMES STOP SHAKER. REMOVED AND REPLACED LEFT ANGLE OF ATTACKSDR 96ZZZX338Stall Warn Pnl · failedLAS - FLT 0131 - AIR TURNBACK; STICK SHAKER ACTIVATED AT ROTATION (139K) AND CONTINUED THROUGH 240K, THEN OFF. ON AGAIN AT 280K, THEN INTERMITTENT. ON RETURN TO LAS, STALL WARNING SWITCH WOULD SOMETIMES STOP SHAKER. REMOVED AND REPLACED LT ANGLE OF ATTACK SSDR 96ZZZM64Stall Warn Pnl · failedLAS - FLT 131 - AIR-TURN-BACK, STICK SHAKER ACTIVATED AT ROTATION (139K) AND CONTINUED THROUGH 240K, THEN OFF. ON AGAIN AT 280K, THEN INTERMITTENT. ON RETURN TO LAS, STALL WARNING SWITCH WOULD SOMETIMES STOP SHAKER. REMOVED AND REPLACED LEFT ANGLE OF ATTACKSDR 9520409105Transponder · malfunctionedSTALL WARNING AND STICK SHAKER ACTIVATED AFTER TAKEOFF. FLIGHT RETURNED TO MEM AND LANDED WITHOUT INCIDENT. REPLACED THE RIGHT STALL WARNING TRANSDUCER, FLAP POSITION TRANSMITTER, AND YAW DAMPER ACTUATOR. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.SDR MALA954750Sas Light · illuminatedFLT NR 3453 - AFTER TAKEOFF FROM DTW, THE SAS FAULT LIGHT ILLUMINATED. THE AIRCRAFT RETURNED TO DTW WITHOUT INCIDENT. MAINTENANCE PERSONNEL PERFORMED A FUNCTIONAL CHECK OF THE SAS SYSTEM BUT WERE UNABLE TO DUPLICATE THE DISCREPANCY. ALL SYSTEMS OPERATED SATISDR COMA9560616Stall Computer · defectiveSTALL FAIL CAUTION MESSAGE ON EICAS. REPLACED THE STALL PROTECTION COMPUTER.SDR 9518499946Transducer · failedDURING CLIMB, THE STALL WARNING SYSTEM ACTIVATED AND THE RED STALL LIGHT ILLUMINATED. FOLLOWED COCKPIT OPERATING MANUAL PROCEDURE AND SYSTEM MALFUNCTION CONTINUED. PULLED CIRCUIT BREAKER TO DEACTIVATE SYSTEM. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDESDR CA951130011Stall Warn · faulty card(CAN)FLIGHT CREW REPORTED DURING FLIGHT THAT WHILE IN CRUISE, STICK PUSHER CAME ON. THEY MANUALLY SELECTED L/H STALL WARNING SWITCH OFF. STICK PUSHER RELEASED, NO FURTHER INCIDENT. STALL WARNING CARD FOUND DEFECTIVE, PUSHER REMAINED ON AT ALL TIMES. DEFECTIVE SDR COMA9531189Aoa Vane · defectiveTHE LEFT ALPHA LIGHT ILLUMINATED DURING FLIGHT. REPLACED THE LEFT AOA VANE.SDR WTAA950293Switch Guard · out of positionLAX - STALL WARNING SYSTEM ACTIVATED (SHAKER AND PUSHER) ON TAKEOFF ROLL. TAKEOFF ABORTED WITHOUT INCIDENT. MAINTENANCE FOUND RIGHT STALL WARNING TEST SWITCH ON STALL WARNING PANEL STUCK IN THE DOWN (TEST) POSITION. REMOVED SWITCH GUARD AND DEBURED. REINSTSDR 95ZZZX6026Transmitter · explodedDURING GROUND CHECKS, POWER WAS SUPPLIED TO THE STALL VANE HEATER. AT THAT MOMENT, A LOUD EXPLOSION WAS HEARD AND OILY SMOKE DETECTED IN THE COCKPIT. FURTHER INVEST REVEALED TRANSMITTER HAD, IN FACT, EXPLODED WITH ENOUGH FORCE TO BLOW OFF MECHANISM HOUSING ASDR 9515279943Aoa Transducers · malfunctionedDURING TAKEOFF AT APPROXIMATELY 180 TO 190 KNOTS, STALL WARNING SYSTEM ACTIVATED, CONTINUED TAKEOFF AND CLIMB. AIRCRAFT RETURNED TO MEM, LANDED WITHOUT INCIDENT. REPLACED THE LEFT AND RIGHT ANGLE OF ATTACK TRANSDUCERS, LEFT FLAP TRANSMITTER AND OPERATIONAL CSDR 9515069992Transducer · inoperativeDURING CLIMB, WITH FLAPS SET AT 15 DEGREES, THE STALL WARNING AND STICK SHAKER ACTIVATED. AIRCRAFT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED THE LEFT AND RIGHT AOA TRANSDUCERS, OPERATIONAL CHECK GOOD.SDR DL73E953899Aoa Sensor · brokenON LIFT-OFF, THE STICK SHAKER ACTIVATED AND DID NOT STOP UNTIL TOUCHDOWN. FOUND LEFT AOA SENSOR BROKEN OFF FROM A/C. REPLACED LEFT AOA, OPS CKS GOOD.SDR 95ZZZX6698Accelerometer · stuckUNIT CAUSES FLASHING STALL PROTECT FAIL LIGHT TO ILLUMINATE. VOLTAGE MEASURED AT 11 VDC, SHOULD BE ZERO MVDC. UNIT WILL NOT UNSTICK.SDR VTZA95294Transducer · failureFLT NR 6363 - LYH-IAD - ABORTED THE TAKEOFF DUE TO THE STALL WARNING ACTIVATING ON THE TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED THE STALL VANE TRANSDUCER. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICSDR COMA9560550Stall Computer · malfunctionedSTALL FAIL CAUTION MESSAGE AFTER TAKEOFF AND REMAINED ON AT ALL AIR SPEEDS. RESET CHANNEL NR 1 AND NR 2 OF STALL PROTECTION COMPUTER AND SYSTEM TEST NORMAL.SDR SWIA95625Control Panel · dirtyAFTER T/O, INADVERTENT STICK SHAKER, TURNED OFF NR 2 SYSTEM AND RETURNED TO LAX. FOUND SYSTEM NR 2 TEST TO BE STICKING. REMOVED, CLEANED AND REINSTALLED STALL WARNING CONTROL PANEL. OPS CK GOOD.SDR CAL950790Aoa Sensor · inoperativeFCO - FLT 0041 - THE STALL WARNING SYSTEM ACTIVATED AFTER SLATS WERE RETRACTED DEPARTING FCO. THE SLAT/FLAPS WERE DROPPED THREE TIMES, BUT THE WARNING CONTINUED. THE FLAP/SLAT INDICATOR DISAGREE LIGHT ALSO ILLUMINATED. THE AIRCRAFT WAS RETURNED TO FCO WHERESDR SWIA95611Servo · malfunctionedSTICK PUSHER ENGAGED FOUR TIMES ON CLIMB-OUT OF BUR NO AURAL WARNING OR SAS FAULT OBSERVED. REPLACED SAS CLUTCH SERVO, OPS CKS GOOD, IAW MM 27-30-44, SEE F/L 11547.SDR COM11933Servo · defectiveTHERE IS NO STICK PUSHER WHEN TESTING STALL WARNING SYSTEM. REPLACED THE STICK PUSHER SERVO MOTORS.SDR COM11928Aoa Sensor · defectiveLEFT AND RIGHT AOA SENSOR AND SLIP ANTI-ICE INOP. REPLACED THE AOA CURRENT SENSOR.
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