JASC 2731
Service difficulty reports · 1,297
Reports filed under 2731 · Elevator Tab 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 = '2731' 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 = '2731' 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 CA110520001Bearing · corrodedDURING A FLIGHT, THE CREW REPORTED THAT THEY HAD A SMALL VIBRATION IN THE CONTROL COLUMN WHEN THE AUTO PILOT WAS SELECTED "ON". CREW REPORTED THAT WHEN THE ELEV TRIM WAS MOVING THE VIBRATION DISAPPEARED. THE TECH FIRST CHECKED THE TENSION OF THE CABLES AND FOSDR ZB0R201100002Shaft · wornDURING ANNUAL INSP, FOUND STABILATOR TRIM BARREL AND SHAFT WORN BEYOND LIMITS. PARTS REPLACED WITH NEW.SDR CA110506004Trim System · failed(CAN) ON SCOOP ELEVATOR TRIM FAILED EMERGENCY TRIM SELECTED AND ACFT RETURNED TO BASE. PART HAD BEEN O/H 2 HRS PREVIOUSLY.SDR Z5FA040811N547CS1Control Cable · failedDURING CLIMB, APPROACHING FL230, THE PITCH TRIM ANNUNCIATOR CAME ON. THE AUTO PILOT WAS MANUALLY DISCONNECTED AND THE ACFT IMMEDIATELY PITCHED UP WHICH WAS CONTROLLED WITH ABNORMAL CONTROL COLUMN PRESSURE. USE OF ELECTRIC OR MANUAL ELEVATOR TRIM WAS INEFFECTISDR XV6A2011032100006Servo · leakingDURING FLIGHT "A" HYDRAULIC SYSTEM QUANTITY STEADILY DECREASED.SDR DXTA2011032104520Actuator · bindingELEVATOR TRIM TAB JAMMED AND COULD NOT BE MOVED ELECTRICALLY OR MANUALLY. FLIGHT WAS AT 41000' AND THE PITCH TRIM ANNUNCIATOR ILLUMINATED DESCENDING THROUGH 34000'. THE TRIM TAB REMAINED LOCKED IN POSITION UNTIL 19000' WERE ABLE TO MANUALLY BREAK IT LOOSE. RESDR 2011FA0000182Control Cable · bindingACFT WAS MODIFIED IAW STC SA00047MC BY A REPAIR STATION ON MAY 28, 2010. DURING THE FIRST PHASE INSP AT 200 HRS, IT WAS DISCOVERED THAT THE ELEVATOR TRIM CABLE TURNBUCKLE WAS DRAGGING ON THE BULKHEAD INSTALLED AT STA 414 AS PART OF THIS STC. THIS REPORT IS TOSDR VQMA20110314001Actuator · malfunctionedON CLIMB OUT, PILOT REPORTED ELEVATOR TRIM JAMMED AND WOULD NOT MOVE. PILOT RETURNED ACFT BACK TO DEPARTURE AND DIFFERENT ACFT DEPARTED. MX INSPECTED ACFT AND FOUND ELEVATOR TRIM ACTUATOR WORN AND CHAIN ON ACTUATOR VERY LOOSE AND BINDING WHENEVER TRIM UP WASSDR UALA2011031601281Drive Assy · unknownSTAB TRIM DRIVE IN NEED OF REPLACEMENT. REPLACED STAB TRIM DRIVE IAW.SDR UALA2011030101013Computer · faultyEICAS MSG STAB TRIM DISPLAYED AND STAB TRIM LIGHT ILLUMINATED. SUPPLEMENTAL DATA UPDATE STABILIZER TRIM RATE NORMAL. CREW COMMENTS: STAB TRIM CAUTION LIGHT AND EICAS MSG CAME ON IN CLIMB-OUT. TRIM APPEARED NORMAL. FOUND HORIZONTAL STABILIZER PRIMARY TRIM CHSDR E81RJW304273Transducer · failedINVESTIGATED FLIGHT CREW REPORT OF REPEATED MACH TRIM AND ELEVATOR TRIM FAIL ANNUNCIATOR INDICATIONS DURING DESCENT. DURING TROUBLESHOOTING FOUND ELEVATOR TRIM WOULD STOP IN SAME POSITION EACH TIME DURING OPERATION. NOTED AUTOPILOT TRIM INPUTS WOULD STOP JUST SDR CALA2011022100101Mechanism · looseINSPECTION LT ELEVATOR TAB CTL MECHANISM PER EA 2731-01265 01. INDICATES LUG TO SPACER GAP EXCEEDS .160 INCH FULL PENETRATION OF .005 FEELER GAUGE APPROX. 1/2 INCH. REMOVED AND REPLACED LT ELEV TAB CONTROL MECHANISM PER 27-31-34-401 AND 27-31-34-400-802 TO SSDR AALA20110217SFO01Module · faultedSFO - CREW REPORTED LEADING EDGE FLAP DISAGREE MESSAGE ON FINAL AND "ELEV ASSY" STATUS MESSAGE AFTER TAKEOFF UNTIL LANDING. EMERGENCY DECLARED FLIGHT LANDED SFO WITHOUT INCIDENT. FOUND THE M524 STAB TRIM ELEVATOR ASTM MODULE FAULTED. REPLACED THE MODULE. PESDR 2011F00021Actuator · corrodedDURING SCHEDULED INSP OF ACFT, DETECTED WHAT APPEARED TO BE SLIGHT TO MODERATE SURFACE CORROSION ON STABILATOR TRIM ACTUATOR ARM ASSY. PROCEEDED TO REMOVE ASSY FOR FURTHER INVESTIGATION AND DURING REMOVAL DISCOVERED LT SIDE OF PLATE THAT ATTACHES TO STABILATOSDR CNQ82011001Actuator · frozenPILOT REPORTS ON CLIMB OUT ABOUT 41K FT RECEIVED A TRIM MISCOMPARE. ELECTRIC AND MANUAL TRIM INOP. ON DESCENT AT ABOUT 20K FT TRIM BEGAN TO WORK AGAIN.SDR CA101210008Rod · misinstalled(CAN) FOUND THE TRIM TAB CONTROL ROD INSTALLED UPSIDE-DOWN. IT WAS DETERMINED THAT THE ROD WAS INSTALLED INCORRECTLY AT FACTORY SINCE THERE WAS NO PAINT ON OTHER SIDE. ROD REMOVED AND INSTALLED IN CORRECT ORIENTATION. CHECKED TRAVEL AND RIGGING, NO CHANGE, CHESDR SWAA107656Rod End · corrodedDURING SCHEDULED CV CHECK, FOUND LT ELEVATOR TAB I/B CONTROL ROD FWD ROD END CORRODED. REMOVED AND REPLACED ROD ASSY PER SI AND EA.SDR SWAA107661Rod End · corrodedDURING SCHEDULED MV2 CHECK, FOUND RT ELEVATOR TAB ROD END CORRODED. REMOVED AND REPLACED ROD PER EA.SDR DXTA2010112904330Relay · malfunctionedSTABILIZER TRIM IS INOPERATIVE WHEN TRYING TO TRIM NOSE UP FROM EITHER YOKE CONTROL SWITCH. IT WILL TRIM NOSE DOWN FROM YOKE SWITCHES. EMERGENCY STAB TRIM WILL TRIM THE STAB IN BOTH DIRECTIONS. PRIMARY STAB TRIM CONTROL CONFIRMED DISCREPANCY FOUND NOSE DOWN SDR CA101123003Actuator · intermittent(CAN) SHORTLY AFTER TAKEOFF, THE MAIN (ELEVATOR) TRIM WOULD NOT TRIM IN THE NOSE DOWN DIRECTION, BOTH THE CAPTAINS OR CO-PILOTS TRIM CONTROL SWITCHES WERE TRIED WITHOUT SUCCESS. STANDBY TRIM WAS SELECTED AND THIS SYSTEM WAS FOUND TO BE INTERMITTENT. MAINTENASDR CA101216003Actuator · failed(CAN) SIGNIFICANT RESISTANCE FELT IN ELEVATOR TRIM WHEEL AT AFT END OF GREEN ARC DURING FLIGHT FOR TEN SECONDS AND EVERYTHING NORMAL AFTER THAT. AUTOPILOT TRIM FAIL- TRIM VERY DIFFICULT TO ADJUST UP/DOWN WHEN ABOVE 160 KIAS (OAT BELOW 0 C.) WITH ELECTRIC AND SDR DXTA2010102604273Actuator · contaminatedDURING CRUISE THE PITCH TRIM JAMMED/FROZE IN THE CRUISE POSITION. REMOVED OLD GREASE AND MOISTURE FROM TRIM ACTUATORS AND APPLIED NEW GREASE. OPS CHECKS GOOD. WORK PERFORMED IAW CH 12-21-01 OF MM. ACCESSED TRIM CABLES IN TAILCONE, NO DISCREPANCIES NOTED. OPSDR CA101102010Actuator · malfunctioned(CAN) DURING DESCEND PITCH TRIM VERY STIFF, ELECTRIC TRIM BEING INOP. MANUAL TRIM STIFF. TRIM SPRINGS BACK WHEN HANDWHEEL RELEASED. PITCH TRIM DID NOT FAIL ON GROUND.SDR CA100922002Control Cable · damagedELEVATOR TRIM CABLE WAS FOUND UNSPOOLED OFF BOTH FWD AND AFT TRIM DRUMS.SDR CA100920009Bushing · missing(CAN) DURING A INSPECTION, FOUND BUSHING (0712500-14) MISSING OUT OF HOUSING HINGE ASSY (PN 0712500-6), BUSHING HAD FALLEN OUT OF ASSY AND TRIM JACK, HINGE ASSY WAS ABLE TO MOVE VERTICALLY ON HINGE BUSHING. TRIM JACKS REMOVED, HOUSING ASSY REPLACED AND TRIM JSDR MASA2010081600878Actuator · faultyEXCESSIVE BACK PRESSURE REQ FOR ELEVATOR. MX REPLACED PITCH FEEL ACTUATOR.SDR UALA2010081102932Actuator · faultyELEV ASYM STATUS MESSAGE DISPLAYED. FOUND ELEV ASY L ACT FAULT ON SAMS. NEED TO REPLACE ELEV ASYM LIMIT ACT. REPLACED ASSYMETRY LIMITER ACTUATOR. OPS NORMALSDR 2010FA0000781Actuator · shortedACFT PARKED DURING HEAVY RAIN. PILOT WENT TO SET TRIM TO NEUTRAL PRIOR TO TAKEOFF. TRIM INDICATOR INDICATED TAKEOFF POSITION AND TAB WAS ACTUALLY AT FULL NOSE DOWN POSITION. UPON TAKEOFF AND DURING CLIMB OUT PILOT EXPERIENCED HEAVY NOSE DOWN CONDITION AND A PISDR 2010FA0000749Control Cable · frayed( EBVR) CUSTOMER NOTICED ANOMALY IN "FEEL" OF ELEVATOR TRIM. INSP SHOWED (1) ELEVATOR TRIM CABLE FRAYED WITH NUMEROUS BROKEN STRANDS. FRAYED AREA WAS FOUND IN THE AREA OF FS 591, WHERE CABLE EXITS VERTICAL STAB AND ROUTES INTOR HORIZ STAB. CUSTOMER REPLACESDR CA100611002Control Cable · misroutedPITCH TRIM CONTROL CABLES HAVE BEEN INSTALLED/ROUTED INCORRECTLY AND RUBBING THE AGAINST THE YAW TRIM CONTROL CABLES. IT IS UNCLEAR HOW LONG THESE CABLES HAVE BEEN IN THIS STATE.SDR GUUA94327041610ATrimmer · bindingDURING FLIGHT ELEVATOR TRIM WHEEL BINDS UP UNABLE TO SEE TRIM TABS ON WHEEL FOR ALL STAGES OF FLIGHT. REPLACED ELEVATOR TRIM TAB INDICATOR OPS CHECK OK. TEST FLIGHT SATISFACTORY.SDR GUUA94627041610ATrimmer · bindingDURING FLIGHT, ELEVATOR TRIM WHEEL BINDS UP UNABLE TO SEE TRIM TABS ON WHEEL FOR ALL STAGES OF FLIGHT. REPLACED ELEVATOR TRIM TAB INDICATOR OPS CHECK OK. TEST FLIGHT SATISFACTORY.SDR UALA2010041201221Pca · no testRT ELEV RT HYD PCA FAILS ELEV PCU MONITOR SYS TEST. REMOVED RT ELEVATOR RT HYD PCA. REPLACED RT ELEVATOR RT PCA, OPS CHECK AND LEAK CHECK OK.SDR Z5FA030410N626CS1Actuator · defectiveAFTER FLIGHT CHECK FOR AUTO PILOT FAIL CAS MESSAGE THE MX CREW FOUND LT ELEVATOR TRIM ACTUATOR DISENGAGED FROM DRIVE SHAFT. LT TRIM ACTUATOR REPLACED AND FLIGHT CHECK WAS PERFORMED SATISFACTORILY AND ACFT RETURNED TO SERVICE.SDR RU3A1006Screw · backed outPILOT REPORTED THAT ELEVATOR TRIM WAS BINDING. INSPECTION REVEALED THAT A SCREW HAD BACKED OUT UNDER THE ELEVATOR TRIM SERVO IDLER PULLEY CAUSING THE SCREW TO RIDE AGAINST THE BASE OF THE PULLEY.SDR CALA2010021700033Attach Bolt · looseLT ELEVATOR TAB CONTROL ROD ATTACH BOLTS ARE NOT SECURE AT FWD END (NUTS ARE BACKED OFF). REPLACED LT ELEVATOR TAB CONTROL ROD ATTACH BOLT NUTS IAW AMM 27-31-34.SDR UALA2010021500589Computer · faultyON DEPARTURE, STATUS MSG ELEV FEEL CHRONIC. REPLACED ELEVATOR FEEL COMPUTER. LEAK CHECKED UNIT, NO LEAKS NOTED. CYCLED STAB, NORMAL.SDR 2010FA0000173Control Cable · brokenAFTER T/O, THE ELEVATOR TRIM WHEEL STARTED TO FREE PLAY DURING MOVEMENT. A POST FLIGHT INSP FOUND THE RT ELEVATOR TRIM ACTUATOR FROZEN IN PLACE AND THE ELEVATOR TRIM CABLE BROKEN. IT IS BELIEVED AT THIS TIME THAT THE ISSUES ARE RELATED. MFG ENGINEERING HAS SDR 2010FA0000172Actuator · frozenAFTER T/O, THE ELEVATOR TRIM WHEEL STARTED TO FREE PLAY DURING MOVEMENT. A POST FLIGHT INSP FOUND THE RT ELEVATOR TRIM ACTUATOR FROZEN IN PLACE AND THE ELEVATOR TRIM CABLE BROKEN. IT IS BELIEVED AT THIS TIME THAT THE ISSUES ARE RELATED. MFG ENGINEERING HAS SDR QXEA2010011100028Switch · malfunctionedAT APPROX 50 KTS TAKE WARNING HORN ACTIVATED CONTINUOUSLY. ABORTED TAKEOFF. POST ABORT CHECK SHOWED ACFT PROPERLY CONFIGURED. PRE TAKEOFF T/O WARN TEST OK. POST ABORT T/O WARN TEST OK. PERFORMED FUNCTIONAL TEST OF T/O WARNING SYS AND THEN INTROGRATED CDS FSDR CA101027005Actuator · failedSECONDARY TRIM ACTUATOR, PN 9914257-3, SN 0582, REMOVED DUE TO INTERNAL FAILURE IN FLIGHT. INSTALLED O/H UNIT, PN 9914257-4, SN 058, IAW MM.SDR CA091210009Drum · misrigged(CAN) ACFT DEPARTED FOR A POSITIONING FLIGHT, AFTER A MX EVENT. DURING TAKEOFF, PILOT NOTED EXCESSIVE FORCE REQUIRED TO OPERATE ELEVATOR TRIM SYS, AND POOR RESPONSE TO PILOT INPUT. PILOT WAS PAST REJECT POINT AND TOOK OFF, DECLARED AN EMERGENCY AND LANDED WITSDR CA091202010Shaft · broken(CAN) IT APPEARS THE THREADED SHAFT OF THE ELEVATOR TRIM BROKE ON TAKEOFF OR IMMEDIATELY AFTER, CAUSING THE ELEVATOR TO JAM AND CREATING FLUTTER IN THE ELEVATOR CAUSING IT TO BREAK. THIS ALSO CAUSED THE OUTER PORTION OF THE RIGHT HORIZANTAL STABILZER TO FLUTTSDR ZB0R20090002Switch · shortedFOUND ELECTRIC TRIM INOPERATIVE. TROUBLESHOT SYS AND FOUND SHORTED WIRING AT TRIM THUMB SWITCH ON CONTROL WHEEL. REPAIRED WIRING AND OPS CK OK.SDR SWAA097146Control Rod · corrodedDURING SCHEDULED MV2 CHECK, FOUND RT ELEVATOR TAB OUTBOARD CONTROL ROD CORRODED. REMOVED AND REPLACED ROD ASSY PER MM.SDR SWAA096804Actuator · faultyHYDRAULIC SYSTEM "A" REFILL SIGN ILLUMINATED. REMOVED AND REPLACED ELEVATOR TAB CONTROL ACUTATOR PER MM.SDR CA091023003Transmitter · failed(CAN) DEPARTED (IFR) & SHORTLY AFTER TAKEOFF, PILOT REPORTED AN "ELEVATOR PROBLEM" & DECLARED AN EMERGENCY. ADVISED CENTRE RETURNING TO AIRPORT. ARFF CALLED OUT TO BE ON STANDBY AS THE ACFT ARRIVED SAFELY. APPROXIMATELY 1 HR LATER, SAME ACFT WAS TAKING OFF & SDR SWAA096687Control Rod · corrodedDURING SCHEDULED MV2 CHECK, FOUND RT ELEVATOR TAB I/B CONTROL ROD CORRODED. REMOVED AND REPLACED ROD PER EA.SDR SWAA096674Control Rod · corrodedDURING SCHEDULED MV2 CHECK, FOUND LT ELEVATOR TAB O/B CONTROL ROD CORRODED. REMOVED AND REPLACED ROD ASSY PER MM.SDR SWAA096673Control Rod · corrodedDURING SCHEDULED MV2 CHECK, FOUND LT ELEVATOR TAB I/B CONTROL ROD CORRODED. REMOVED AND REPLACED ROD ASSY PER MM.
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