JASC 2740
Service difficulty reports · 2,128
Reports filed under 2740 · Stabilizer Control 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 = '2740' 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 = '2740' 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 SWAA000545Actuator · inoperativeDECLARED EMERGENCY LANDING, STAB OUT OF TRIM LIGHT ILLUMINATED DURING CRUISE AND INOP TO ELECTRIC TRIM INPUTS, OK ON MANUAL TRIM. REMOVED AND REPLACED STAB TRIM ACTUATOR, LUBED JACK SCREW, OPS CK GOOD PER MM.SDR HALA0000062Screw · looseHNL - FLT 362 - PRIMARY PITCH TRIM FAILED ON CLIMB-OUT, OVERTEMP. SWAPPED TO A/C 59. MAINTENANCE TIGHTENED LOOSE SCREW ON PRIMARY TRIM BRAKE SWITCH. OPERATIONAL CHECK OK. (M)SDR SWAA000370Bearing · wornDURING DESCENT, STAB TRIM WHEEL STARTED MAKING A GRINDING NOISE. REMOVED AND REPLACED STAB TRIM WHEEL OUTER BEARING.SDR COMA0060185Hstcu · malfunctionedSTABILIZER TRIM IS INOPERABLE. REPLACED THE HSTCU.SDR COMA0060184Warning System · activatedSTABILIZER AND MACH TRIM CAUTION MESSAGE. COULD NOT DUPLICATE. NO FAULT CODES IN COMPUTER. SYSTEM CHECKS NORMAL.SDR JBXA0000145Switch · stuckSTAB TRIM INOP, MACH TRIM INOP. FOUND F/O'S CONTROL WHEEL PITCH DISCONNECT SWITCH STUCK. CLEANED SWITCH WITH CONTACT CLEANER, PERFORMED FUNCTIONAL CHECK OF HSTCU IAW CRJ AMM 27-41-00. NO DISCREPANCIES OR FAULTS NOTED. PERFORMED OPERATIONAL AND FUNCTIONAL TSDR 0000302202Trim Brake · malfunctionedAFTER TAKEOFF, CREW COULD NOT TRIM STABILIZER. BOTH MANUAL AND CRUISE TRIM WERE INOPERATIVE. CREW FOLLOWED COM PROCEDURE AND LANDED IN ORD WITHOUT INCIDENT. ORD MAINTENANCE REPLACED STABILIZER TRIM BRAKE ASSEMBLY, OPERATIONAL CHECK.SDR TWAA0002208Motor · failedDURING DESCENT,STABILIZER JAMMED. REPLACED THE PRIMARY AND ALTERNATE TRIM MOTORS. PRIMARY MFG PART NUMBER 9590-5, ALT MFG PART NUMBER D1775-1.SDR ASAA0080097Motor · inoperativeRNO: CREW REPORTED THE PRIMARY HORIZONTAL STABILIZER TRIM & ALTERNATE HORIZONTAL STABIL. TRIM INOPERATIVE DURING CLIMBOUT, RET. TO RNO AND LANDED UNEVENTFULLY. REPLACED PRIMARY HORIZONTAL STABILIZER TRIM MOTOR & ALTERNATE HORIZONTAL STABILIZER TRIM MOTOR. REPLSDR AALA20000218Switch · defectivePHX - FLT 1538 - DURING FLIGHT AT 13,000 FEET STABILIZER TRIM JAMMED. OPERATION INTERMITTENT THEN BOTH SYSTEMS INOPERATIVE. DIVERTED AND LANDED PHX WITHOUT INCIDENT. USED EXTRA BACK PRESSURE TO MAINTAIN FLIGHT. REPLACED HORIZONTAL STABILIZER TRIM CONTROL. SDR 20000406SH003Spring · failedSPRINGS, PN 69-77855-1, BROKEN IN THE AUXILIARY BRAKE SYSTEM. IMPROPER HEAT-TREATING, AUSTENITE, FATIGUE AND INCREASED SPRING COIL STRESSES. SPRINGS, PN 69-77855-1, ARE TO BE REPLACED WITH P/N 69-77855-2 SPRINGS ON ACTUATOR ASSEMBLIES MANUFACTURED PRIOR TO SSDR JBXA0000141Connector · contaminatedJAMMED STAB . CLEANED SWITCH AND HARNESS CANNON PLUG OPERATIONAL CHECK GOOD AT THIS TIME I-A-W AMM 27-43-04.SDR CA000203007Actuator · failed(CAN) THE CREW REPORTED NOSE DOWN TRIM WAS NOT AVAILABLE DURING CLIMBOUT. THE STABILIZER TRIM WOULD NOT FUNCTION FROM EITHER CREW POSITION OR THE EMERGENCY CONTROLS. THE AURAL TRIM WARNING DID WORK HOWEVER. THE AIRCRAFT WAS INSPECTED AFTER LANDING AND THE TRIMSDR C2XA99CL126Controller · failedMDW - FLT 3908 - AFTER TAKEOFF WITH PITCH TRIM SET AT 6 DEGREES NOSE-UP HAD NO CONTROL OF PITCH TRIM FROM CAPTAINS OR BACK-UP STATIONS. AIRCRAFT RETURNED TO MDW WITH NO FURTHER INCIDENT ON CMC HORIZONTAL STABILIZER CONTROL UNIT FAIL AND CONTROL WHEEL TRIM SWISDR MWEA99853Motor · inoperativeINFLIGHT NR 2 COMM WAS INOP. ALSO, ON APPROACH INTO MKE PRIMARY TRIM WENT INOP. FOUND ANTENNA CONNECTOR LOOSE AT E & E. RECONNECTED THE CONNECTOR AND REMOVED AND REPLACED PRIMARY TRIM MOTOR.SDR DL757992538cable frayedSTAB TRIM LEVERS MOVE WHEN SPEEDBRAKE IS DEPLOYED APPEARS THAT THE LEFT STAB TRIM LEVER BINDS ACTS AS IF THE SPRING IS BROKEN. FOUND STAB TRIM CABLE STB1/STB2 MISROUTED AROUND SPOILER, NO BRAKE CLUTCH ASSY BENEATH STAB TRIM HANDLES CABLE FRAYED. CABLES REPLASDR DL757992450Trim · malfunctionedDISCONTINUED TAKEOFF AT 90K. RED STABILIZER WARNING MESSAGE APPEARED ON T/O. AT PWR APPLICATION TRIM WAS 4.1 AT 90K TRIM WAS DRIVING UNCOMMANDED THROUGH 6.5 NOSE UP TO A FINAL OF 8.0 UNITS. FOUND RT SAM MODULE FAULTED, REPLACED SAME.SDR 99FDEA00452Control Valve · crackedHORIZONTAL STABILIZER UPPER TRIM CONTROL VALVE HAD CRACKED IND INSIDE FLOW CONTROL VALVE BORE APPROX .5 INCH. *S/D* REMOVED AND REPLACED HORIZONTAL STABILIZER PER M/M 27-43-03-4 OPS AND LEAK CK OK.SDR 2000ZZZX657Control Cable · brokenLEFT STABILATOR TRIM CABLE, P/N 62701-097, BROKE IN-FLIGHT CAUSING AIRCRAFT TO PORPOISE (PITCH UP AND DOWN). A NORMAL LANDING WAS MADE WITHOUT INCIDENT. FURTHER INSPECTION REVEALED THE CABLE HAD BROKEN AT BS 187.84 WHERE THE CABLE PASSES THROUGH THE BULKHEADSDR COMA9960597Control Panel · failedSTABILIZER CHANNEL NR 1 INOPERATIVE MESSAGE APPEARED SEVERAL TIMES AFTER DEPARTURE FROM CVG. AIRCRAFT RETURNED TO THE FIELD. REPLACED THE STABILIZER TRIM PANEL.SDR 20000808SH021Bolt · failedRIGHT ELEVATOR TAB PUSH/PULL ROD ATTACH BOLT FAILED CAUSING A VIBRATION THAT DAMAGED ELEVATOR AND TAB. THE PILOT MADE A SAFE EMERGENCY LANDING. (X)SDR C2XA99CL111Control Unit · trippedFLT 3965 - PILOT REPORTED THEY GOT A TAKEOFF CONFIG WARNING WITH THE PITCH TRIM AT THE TOP OF THE GREEN ARC. THE AIRCRAFT ABORTED TAKEOFF AND RETURNED TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE RESET THE HORIZONTAL STABILIZER CONTROL UNIT AND OPERATIOSDR 99ZZZX4065Springs · shatteredSPRINGS, PN 69-77855-1, ARE BROKEN IN THE AUXILIARY BRAKE SYSTEM POSSIBLY DUE TO FATIGUE AND INCREASED SPRING COIL STRESSES. SPRINGS, PN 69-77855-1, ARE TO BE REPLACED WITH P/N 69-77855-2 SPRINGS ON ACTUATOR ASSEMBLIES MANUFACTURED PRIOR TO S/N KEO1730 PER BOSDR MWEA99600Trim Motor · malfunctionedPRIMARY TRIM RAN AWAY RUNNING FORWARD. REPLACED PRIMARY TRIM MOTOR.SDR 99ZZZX3631Spring · crackedSPRINGS PN 69-77855-1 ARE BROKEN IN THE AUXILIARY BRAKE SYSTEM. POSSIBLE CAUSE, IMPROPER HEAT TREATING, AUSTENITE, FATIGUE AND INCREASED SPRING COIL STRESSES. SPRINGS PN 69-77855-1 ARE TO BE REPLACED WITH PN 69-77855-2 SPRINGS ON ACTUATOR ASSYS MANUFACTURED SDR 99ZZZX3632Springs · crackedSPRINGS PN 69-77855-1 ARE BROKEN IN THE AUXILIARY BRAKE SYSTEM. POSSIBE CAUSE, IMPROPER HEAT TREATING OR INCORRECT ALLOYS IN THE SPRINGS. SPRINGS PN 69-777855-1 SHOULD BE REPLACED WITH PN 69-77855-2 SPRINGS PER BOEING TELEX AEO-AUB-94-0195RR.SDR TWAA9911301Motor · failedLONGITUDINAL TRIM CONTROL WHEEL AND SUITCASE HANDLES INOP. REMOVED AND REPLACED LONGITUDINAL PRIMARY TRIM MOTOR TWA STK NR 80374. OPERATIONAL CHECK WAS NORMAL. CHECK C 9-28-98 STL.SDR 99ZZZX3442Torque Tube · corrodedDURING ANNUAL INSPECTION, FOUND IT WAS NECESSARY TO REMOVE THE STABILATOR TORQUE TUBE ASSY TO CORRECT ANOTHER DISCREPANCY. THE RT AND LT STABILATORS WERE FOUND DIFFICULT TO REMOVE FROM THE TORQUE TUBE. THE INBD FITTING (PN 21420-02) WAS UNBOLTED FROM THE STASDR 99ZZZX3185Torque Tube · corrodedREMOVED BOTH STABILATORS TO REPLACE BEARINGS. FOUND TORQUE TUBE CORRODED. THIS SECTION CANNOT BE SEEN WITHOUT REMOVING STABILATORS. IT IS AN UNPAINTED STEEL TUBE. REMOVED CORROSION, ALODINED, PRIMED AND PAINTED.SDR 99ZZZX3183Stabilator Horn · corrodedDURING AN ANNUAL INSPECTION, THE STABILATOR HORN TUBE WAS FOUND CORRODED WHERE IT ENTERED THE TORQUE TUBE FITTING.SDR DL73K991715Wire · failedSTAB TRIM CONTROL WHEEL SWITCHES INOP. POPS ACTUATOR C/B. AUTOPILOT TRIM IS OK. FOUND WIRES SHORTED TO GROUND AT BULKKHEAD 1088. REPAIRED WIRE WITH SPLICES. WIRE NRS W326-313, W326-312, W326-311 PER BOEING STANDARD WIRING PRACTICES MANUAL.SDR SWAA991239Bearings · wornAIR TURNBACK, STAB TRIM MECHANISM MAKES GRINDING NOISE WHEN MOVED. REMOVED AND REPLACED WORN BEARINGS ON RT SIDE OF STAB TRIM MECHANISM.SDR USAASB99179Chain · out of adjustPIT - FLT 1217 - DURING CLIMB-OUT FROM PIT, CREW NOTICED A VIBRATION THAT CONTINUED AFTER RETRACTING THE GEAR AND THE FLAPS. VIBRATION EVEN REGISTERED ON THE AVM GAUGE FOR THE NR 1 ENIGNE. CREW LEVELED OFF AT FL 230 AND STATED THAT THE VIBRATION WAS MOST NOTSDR AALA991056Computer · defectiveDFW - FLT 1779 - ON TAKEOFF FROM DFW TO AMA, STABILIZER TRIM RUNAWAY DETECTED. STABILIZER TRIM SWITCH TURNED OFF AND AIRCRAFT RETURNED TO DFW AND LANDED WITHOUT INCIDENT. REPLACED FLIGHT AUGMENTATION COMPUTER AND BOTH CAPTAIN AND FIRST OFFICER TRIM SWITCHES.SDR 99ZZZX2973Spring · failedSPRINGS, PN 69-77855-1, ARE BROKEN IN THE AUXILIARY BRAKE SYSTEM. IMPROPER HEAT TREATING OR INCORRECT ALLOYS IN THE SPRINGS. SPRINGS, PN 69-77855-1, SHOULD BE REPLACED WITH PN 69-77855-2 SPRINGS PER BOEING TELEX AEO-AUB-94-0195RR.SDR 99ZZZX2974Spring · brokeSPRINGS, PN 69-77855-1, ARE BROKEN IN THE AUXILIARY BRAKE SYSTEM. IMPROPER HEAT TREATING OR INCORRECT ALLOYS IN THE SPRINGS. SPRINGS, PN 69-77855-1, SHOULD BE REPLACED WITH PN 69-77855-2 SPRINGS PER BOEING TELEX AEO-AUB-94-0195RR.SDR 99ZZZX2972Spring · brokeSPRINGS, P/N 69-77855-1, ARE BROKEN IN THE AUXILIARY BRAKE SYSTEM. IMPROPER HEAT TREATING OR INCORRECT ALLOYS IN THE SPRINGS. SPRINS, P/N 69-77855-1, SHOULD BE REPLACED WITH P/N 69-77855-2 SPRINGS PER BOEING TELEX AEO-AUB-94-0195RR.SDR AWXA9900229Switch · malfunctionedDURING LANDING, FIRST OFFICER'S FLYING PITCH TRIM WENT TO FULL NOSE-UP. PILOT WAS NOT ACTUATING THE SWITCH. REMOVED AND REPLACED STAB TRIM CONTROL SWITCH, OPS CHECKED GOOD ON GROUND PER MM 27-41-97.SDR 99ZZZX3484Control Cable · brokenAFTER DEPARTURE, PILOT NOTICED LOSS OF STABILATOR CONTROL. BY USING TRIM TAB AND LIMITED DOWN STABILATOR, HE WAS ABLE TO BRING AIRCRAFT BACK INTO A NORMAL PATTERN AND MAKE AN UNEVENTFUL LANDING. UPON INITIAL INSPECTION, UP FORWARD STABILATOR CABLE WAS FOUND SDR 99ZZZX2367Spring · brokenHORIZONTAL STABILIZER SPRING, P/N 65-77855-2, WAS FOUND BROKEN.SDR COMA9960249Mcu · failedAP PITCH TRIM CAUTION MESSAGE CAME ON DURING FLIGHT. STAB TRIM CH 1 WOULD NOT ALLOW TRIM PAST FOUR UNITS. STAB TRIM CH 2 WOULD ALLOW TRIM PAST FOUR UNITS. REMOVED HSTA AND MCU, INSTALLED SERVICEABLE HSTA AND MCU.SDR 99ZZZX2368Spring · brokenONE, PN 69-77855-2, SPRING WAS FOUND BROKEN IN THE AUXILIARY BRAKE SYSTEM.SDR DL72S991039Switch · dirtyTAKEOFF WARNING HORN SOUNDED DURING POWER UP AND TAKEOFF WAS ABORTED AT 10 KTS. WARNING HORN ITEMS CYCLED AND SOUNDED AGAIN ON SECOND ATTEMPT. FOUND UPPER STAB TRIM SWITCH STICKING. CLEANED AND LUBED SWITCH. TAKEOFF WARNING TEST NORMAL.SDR 99ZZZX3408Tube · crackedDURING INSPECTION PER AD 78-02-03, FOUND LEFT TUBE AND WT ASSY CRACKED THROUGH APPROXIMATELY 1.50 INCHES FORWARD OF TUBE ATTACHMENT PLATE. SUBMITTER STATED THIS IS THE FOURTH ONE IN PAST YEAR, ALL WERE MODIFIED PER SB 540A.SDR VTZA9950Connector · dirtyORD/SGF - FLT 7821 - DURING TAKEOFF AT 1415 HRS, AIRCRAFT RETURNED TO ORD AND MADE AN UNSCHEDULED LANDING DUE TO MACH AND STAB TRIM MESSAGE. MAINTENANCE PERFORMED BITE TEST, AND FULL SYSTEM DIAGNOSITC. CLEARED FCC AUTOPILOT FAULTS FOUND IN HSTCU A & B DIAGNSDR VTZA990042Hstcu · failedFLT 7836 - FAR-ORD - DURING TAKEOFF, AIRCRAFT RETURNED TO FAR AFTER DECLARING AN EMERGENCY DUE TO STAB TRIM AND MACH TRIM EICAS MESSAGE FAILURE ON BOTH CHANNELS. MAINTENANCE RERACKED HSTCU AND CYCLED C/B'S OPS CHECK GOOD. AIRCRAFT WAS RELEASED AND APPROVED FSDR 99UAL900227Switch · failedELECTRIC STABILIZER TRIM IS INOP. FOUND THAT FLAP UPLIMIT SWITCH (S245) HAD A FAILED RESISTANCE (68+) WHEN MEASURED BETWEEN D4514P PINS 32 AND 34. THE SWITCH WAS REPLACED. LATER TROUBLESHOOTING FOLLOWING ANOTHER WRITE-UP FOR INOP STABILIZER TRIM FOUND THAT SDR 99ZZZX2326Pin · shearedSVMI/SKBO - FLT 113 - STABILIZER JAMMED AT 2 UNITS NOSE UP WHILE MAKING APPROACH. FOUND SHEAR PIN SHEARED ON HORIZONTAL STABILIZER DRIVE UNIT. REPLACED HORIZONTAL STABILIZER CHAIN DRIVE UNIT PER AMM 27-44-05. CONDUCTED TEST FLIGHT. ALL SYSTEMS OPERATED SATSDR COMA9960137Switch · defectiveSTABILIZER TRIM CAUTION MESSAGE. REPLACED THE CO-PILOTS PITCH TRIM SWITCH.SDR CA990330022Actuator · malfunctioned(CAN) PITCH TRIM FAILED IN-FLIGHT. SUBSEQUENT INVESTIGATION REVEALED THAT BOTH UPLIMIT SWITCH ACTUATORS WERE STICKING. SWITCHES CLEANED AND AIRCRAFT RETURNED TO SERVICE.
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