JASC 2720
Service difficulty reports · 3,131
Reports filed under 2720 · Rudder 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 = '2720' 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 = '2720' 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 20010306CW003Slide · crackedSLIDE IS CRACKED ON BOTH SIDES OF SHAFT, ABOUT 0.090IN FROM THE END AND THE SHAFT IS BENT. PROBABLE CAUSE IS EXCESSIVE STRESS AND FATIGUE DURING OPERATIONAL LOAD. INCREASE INSPECTION REQUIREMENTS FOR SERVO VALVE SLIDE AND REQUIRE THAT SLIDE BE EDDY CURRENT ISDR COMA0110028Control Cable · wornDURING 1C CHECK TASK 27-62, THE RIGHT SIDE OUTBOARD RUDDER CONTROL CABLE WAS FOUND TO BE WORN WHERE IT PASSES THROUGH THE WING BOX FAIRLEADS. THE CABLE WAS REPLACED PER THE AMM.SDR 20010124CW009Rudder · interferenceWHEN CHECKING RUDDER TRAVEL, ELEVATOR WAS IN NEUTRAL POSITION. WHILE THE RUDDER WAS DEFLECTED FULL IN EITHER DIRECTION, THE ELEVATOR WOULD HIT THE RUDDER WHEN THE ELEVATOR WAS RAISED. THE RUDDER TRAVEL WAS RIGGED CORRECTLY PER MAINTENANCE MANUAL. THIS COULSDR MWEA010106Switch · inoperativeFLAP RUDDER STOP INOP LIGHT WILL NOT EXTINGUISH. REPLACED RUDDER STOP SWITCH.SDR DL72S010078Control Unit · leakingDURING CRUISE B-SYSTEM HYD QTY DECREASED. FOUND UPPER RUDDER POWER CONTROL UNIT LEAKING. REPLACED UPPER RUDDER POWER CONTROL UNIT.SDR DL72W010061Seal · leakingDURING CRUISE FLT, NR 1 ENG HYD PUMP LOW PRESS LIGHT BEGAN TO FLICKER FOLLOWED BY A RAPID DECREASE IN A HYD SYS QUANTITY TO ZERO. FOUND LOWER RUDDER PWR ACTUATOR EH VLV LEAKING. REPLACED PLATE SEALS AND O-RING. SERVICED HYD SYS AND LEAK CHECKED OK.SDR MALA010386Control Cable · chafedDURING 4K INSPECTION IN CWA, MAINTENANCE FOUND LT OB RUDDER CABLE IS CHAFED. REF TO 409 CARD 032211. MAINTENANCE REMOVED AND REPLACED CABLE.SDR MALA010385Control Cable · chafedDURING 4K INSPECTION, IN CWA, MAINTENANCE FOUND RT OB RUDDER CABLE IS CHAFED. REF TO 409 CARD 032210. MAINTENANCE REMOVED AND REPLACED CABLE.SDR MALA010384Control Cable · chafedDURING 4K INSPECTION IN CWA, MAINTENANCE FOUND RT AFT SINGLE RUDDER CABLE IS CHAFED. REF TO 409 CARD 032209. MAINTENANCE REPLACED CABLE.SDR MALA010383Control Cable · chafedFROM CWA, DURING 4K INSPECTION, LT AFT SINGLE RUDDER CABLE IS CHAFED. REF TO 409 CARD 032208, MAINTENANCE REMOVED AND REPLACED CABLE.SDR C1HA200185001Sensor · failedDURING TAXI OUT WITH GENERATORS ON RUDDER PEDAL INDICATOR SHOWS UPPER INDICATOR INSYNC WITH RUDDER PEDALS. LOWER INDICATION SHOWS ONE NEEDLE WIDTH LEFT. REMOVED AND REPLACED LOWER RUDDER POSITION SENSOR, CHECKS GOOD.SDR 20010306CW001Bellcrank · wornRUDDER BELLCRANK PN 0712309-16AGW HAD EXTREME WEAR SEVERAL PLACES, BOTH SIDES. WHERE THEY ARE LOCATED THEY ARE DIFFICULT TO INSPECT AND LUBERCATE. MADE INSPECTION PANEL TO BE ABLE TO GAIN ACCESS TO THIS VITAL AREA. FAILURE OF THIS PART WOULD POTENTIALLY CAUSDR AALA20010011Dampener · malfunctionedMIA - FLT 1587 - EN ROUTE MIA-DFW, SHORTLY AFTER TAKEOFF DETECTED AIRCRAFT DRIFTING TO THE RIGHT. FULL LEFT RUDDER EID NOT CORRECT THE DRIFT. RETURNED MIA AND LANDED WITHOUT FURTHER INCIDENT. ACCOMPLISHED YAW DAMP RUDDER CHECK PER THE MM. NO DEFECT NOTED. SDR 20010122CW001Torque Tube · crackedCABLE ATTACH ARM FAILED AT WELD. MOST LIKELY CRACKED DURING TOWING OPERATION DUE TO OVERSTEERING TURN LIMITS.SDR 2001UALA00644Control Rod · chafedRUDDER POWER CONTROL UNIT CONTROL ROD AFT END OUTBOARD SIDE CHAFED, WORN AND KINKED. *S/D* CONTROL ROD REPLACED WITH SERVICEABLE CONTROL ROD. BOEING RELEASED SERVICE LETTER 737-SL-27-098 TO ADDRESS THIS ISSUE BACK IN APRIL 1995. HEAVY MAINTENANCE JOB INSTRSDR AWXA0001156Rod · stuckSEA - DURING TAXI FLIGHT CONTROL CHECK, RUDDER PEDALS BINDING IN CENTER GOING FROM RIGHT TO LEFT; RETURNED TO GATE. TROUBLESHOT IAW TSM 27-20-00-810-801 FOUND CENTERING ROD STICKING; REMOVED AND REPLACED CENTERING ROD IAW AMMSDR SWIA972244Rod · contaminatedCAPTAINS RUDDER PEDALS SLID FORWARD DURING TAKEOFF ROLL. ABORTED TAKEOFF. CLEANED GREASE FROM PEDAL ADJUSTER ROD. CHECKS OK.SDR 00FDEA00903Damper · inoperative00-377 AT FL310 BEGAN TO EXP FLUTTER TYPE VIB AS CR PWD WAS SET. AP WAS ENG/DISENGAGED AND VIB CONT. TURN ONE YAW DAMP OFF AT TIME, VIB CONT. BOTH YAW DAMPS OFF VIB STOPPED. ** S/D ** COMINGSDR 20010221AP001Arm · failedPILOT REPORTED LOSS OF RIGHT RUDDER CONTROL ON FINAL APPROACH AT DAL. RT RUDDER CABLE ARM ON TORQUE TUBE FAILED AT THE WELD. BELIEVE DAMAGE WAS CAUSED BY OVER TURNING NOSE GEAR BY GROUND PERSONNEL.INSTALLED SERVICEABLE TORQUE TUBE,AND RIGGED PER MANUAL.SDR CA010119005Screw · bent(CAN) NAS 603 RUDDER STOP SCREWS FOUND BENT AT ANNUAL INSPECTION. SUSPECT DAMAGE CAUSED BY RUDDER BEING BLOWN AGAINST STOPS AND RUDDER LOCKS NOT USED.SDR EISA20000219Control Unit · inoperativeAT FL 290 AT 270 KNOTS AIRCRAFT INITIATED A RUDDER HARD OVER TO THE RIGHT. CORRECTIVE ACTION: REMOVED AND REPLACED LOWER RUDDER POWER CONTROL UNIT OPS CHECK GOOD PER M/M 27-20-00.SDR CA010103007Bolt · broken(CAN) DURING THE REMOVAL OF RUDDER BELLCRANK ON CAPTAIN SIDE THE TOP INBOARD BOLT WAS FOUND BROKEN ON RUDDER PEDAL BELLCRANK SUPPORT. BOLT WAS STILL IN PLACE.REF RAYTHEON IPC 27-20-10 P8 ITEM 70, 71.SDR 20001219SH016Torque Tube · brokenPILOT''S LEFT RUDDER PEDAL REPORTED AS ''NOT WORKING''. FOUND RUDDER PEDAL SUPPPORT POST BROKEN OFF RUDDER PEDAL TORQUE TUBE. MAINTENANCE REMOVED AND REPLACED ENTIRE TORQUE TUBE ASSEMBLY, LINKAGES, BEARING BLOCKS, AND HARDWARE (BOTH SIDES). (X)SDR SIMA3393Dampener · malfunctionedMIA - FLT 5385 - AFTER TAKEOFF AND YAW DAMPNER ENGAGED Y/D DISCONNECTED BY ITSELF TWICE, THEN CREW NOTICED RUDDER WOULD STICK IN CENTER POSITION. REMOVED AND REPLACED RUDDER DAMPNER IAW JIC 27-71-41. OPS CHECK GOOD. (M)SDR F3LA200000256Coupler · failedAIR TURNBACK. FLIGHT CREW REPORTED A SHARP RT UNCOMMANDED RUDDER DEFLECTION WITH AUTO PILOT DISENGAGED. NO CHANGE IN FLIGHT PATH, YAW, ROLL OR PITCH ATTITUDE OCCURRED. DEGREE OF RUDDER DEFLECTION NOT REPORTED. AIRCRAFT RETURNED TO DEN WITHOUT INDICENT. MASDR CA001207030Horn · bent(CAN) DURING ANNUAL INSP AND PER AD CF-2000-20, RUDDER CNTL SYS CLOSELY INSP. RT SIDE OF RUDDER HORN HAD NICKS ON LOWER OTBD EDGE AND CANTED UP SEVERAL DEGS. AT ROOT OF RT HORN WERE TEETH MARKS INDICATING PLIERS HAD BEEN USED TO ATTEMPT TO STRAIGHTEN HORN. SDR CA001122027Link · stripped(CAN) PILOT REPORTED RUDDER TRIM HARD TO ADJUST. PARTS REMOVED AND FOUND THREADS ON WHEEL SCREW AND LINK ROD STRIPPED. A PORTION OF SCREW FOUND BROKEN INSIDE LINK ROD.SDR 2000UALA00629Rudder · bindingRUDDER BINDING.SDR EISA20000196Plate · misalignedPACK FAN REMAINED ON AFTER FLAPS UP. RUDDER LOAD LIMITER LIGHT REMAINED ON FOR 4 MINUTES AFTER FLAPS UP. REMOVED AND REPLACED RIVETS ON STRIKER ON INBOARD FLAP CONTROL VALVE FOLLOW UP PULLEY. OPS CHECKED INBOARD FLAP FOLLOW UP CABLES, RUDDER LOAD LIMITER INSDR COMA0060862Panel · malfunctionedTAKEOFF CONFIG WARNING. REPLACED THE RUDDER TRIM SWITCH PANEL.SDR COMA0060840Controller · malfunctionedDURING T/O AIRCRAFT DRIFTED RIGHT WITH FULL LEFT RUDDER. COULD NOT DUPLICATE. TEST OF RUDDER CONTROL WAS SATISFACTORY, HIGH SPEED TAXI CHECK WAS NORMAL.SDR UPS00534223Control Cable · out of rigINSPECTION TYPE:N/A, AIRCRAFT ROLLS TO RIGHT ON FLAP EXTENSION. ACCOMPLISHED FIM 27-51-00 FIG 120 AND FOUND RUDDER OUT OF RIG. RIGGED PER MM 27-21-00. ADJUSTMENTS L&M P 525. OPS CHECK OK AND NO OTHER PROBLEMS NOTED.SDR CA001107022Tube · broken(CAN) WHILE TAXIING OUT FOR DEPARTURE, THE PILOTS WERE CONDUCTING FLIGHT CONTROL CHECKS AND FOUND CO-PILOTS R/H RUDDER PEDAL NOT RESPONDING PROPERLY. THE PILOT THEN PUSHED ON HIS RUDDER PEDAL. AFTER DOING SO, THE CO-PILOTS PEDALHAD NO EFFECT AT ALL. THE FLIGHTSDR DL73K002050Pcu · malfunctionedON T/O ROLL 125 KNOTS FELT A UNCOMMANDED YAW TO THE RIGHT, FELT LIKE SOMEONE KICKED THE RUDDER PEDAL. REPLACED RUDDER PCU PER M/M.SDR SWIA972056Pedal · stuckCAPTS RUDDER PEDALS STUCK IN FULL FORWARD POSITION. REPLACED RUDDER PEDAL ADJUSTMENT REGULATOR ASSEMBLY. RAN RUDDER PEDALS FULL FORWARDD AND AFT. ALL OPS CHECKS GOOD.SDR CA001102003Connector · wrong part(CAN) DURING DEFECT TROUBLE SHOOTING OF THE YAW SAS 2 FAIL & RUDDER HYDRAULIC LIMITER FOUND WRONG PART INSTALLED, (UNION WITH OUT A RESTRICTOR), INSTALLED ON THE HYDRAULIC SHUTOFF VALVE REPLACED AIRCRAFT DISPATCHED.PART WAS FOUND NOT TO HAVE BEEN INSTALLED BY SDR SWIA972020Rudder Pedal · out of adjWHEN CAPTAIN PUT FEET ON RUDDER PEDALS RUDDER PEDALS MOVED ALMOST FULL TRAVEL FOWARD. READJUSTED THEM AND HAD NO FURTHER PROBLEMS. CHECKED CABLE AT RUDDER PEDAL ADJUST HANDLE DRIVE SHAFT, FOUND GOOD. REINSTALLED CABLE RUDDER PEDALS, FULLY ADJUSTED WITH NO SSDR 20001019SH023Nut · misinstalledDURING A 100-HOUR INSPECTION, THE COPILOT''S LEFT PEDAL LOWER BOLT AND NUT WERE FOUND LOOSE. THE NUT WAS STILL IN NEW CONDITION AND HAD NEVER BEEN PROPERLY TORQUED. THE PLASTIC SELF-LOCKING FEATURE OF THE NUT HAD NEVER BEEN ENGAGED AND NO TORQUE SEAL HAD BEESDR VNAA0010001Knob · stuckAFTER THE AIRCRAFT TOOK THE RUNWAY, THE FIRST OFFICE NOTICED HIS RUDDER PEDALS WOULD NOT RESPOND. THE CREW DECIDED TO ABORT THE TAKEOFF AND RETURN TO THE GATE. MAINTENANCE FOUND THE RUDDER PEDAL ADJUSTMENT KNOB STUCK. MAINTENANCE CLEANED AND ADJUSTED THE RSDR CA001012011Bearing Support · cracked(CAN) DURING ROUTINE INSPECTION, RUDDER PEDAL TORQUE TUBE SUPPORT BEARING FOUND CRACKED IN HALF AT APPROXIMATELY THE CENTER OF THE UPPER BEARING HALF. BEARING HALVES WERE BOTH REPLACED. BEARING FAILURE APPEARS TO HAVE OCCURED DUE TO MANUFACTURING DEFECT. (XSDR CA001031016Pressure Switch · failed(CAN) BWIA MCC REPORT FROM GEORGETOWN, BARBADOS: NR 2 RUDDER HYDRAULIC CAUTION LIGHT ILLUMINATED (SWITCHES SWAPPED FOR TROUBLESHOOTING), PROBLEM TRANSFERRED TO NR 1 SIDE. NR 1 PRESSURE SWITCH ON RUDDER DAMPER REPLACED (SWITCH WAS SWAPPED).AIRCRAFT FUNCTIONALLYSDR CA001031015Pressure Switch · failed(CAN) FROM BWIA MAINTENANCE REPORT: NR 2 RUDDER HYDRAULIC CAUTION LIGHT ILLUMINATED, SWITCHES SWAPPED FOR TROUBLESHOOTING. PROBLEM TRANSFEREE TO NR 1 SIDE. NR 1 PRESSURE SWITCH ON RUDDER DAMPER REPLACED (SWITCH WAS SWAPPED).AIRCRAFT FUNCTIONALLY TESTED SATISFASDR HALA0000300Shutoff Valve · malfunctionedBTB - ON TAXI, DURING FLIGHT CONTROL CHECK, LEFT RUDDER TRAVEL WAS RESTRICTED AND THEN RUDDER POWER LIGHT ILLUMINATED. REPLACED HYD POWER RUDDER SHUTOFF VALVE. (M)SDR 2001UALA00638Control Rod · chafedRUDDER POWER CONTROL UNIT CONTROL ROD AFT END OUTBOARD SIDE CHAFED, WORN AND KINKED. *S/D* CONTROL ROD REPLACED WITH SERVICEABLE CONTROL ROD. OFF UNIT FOUND TO BE WITHIN LIMITS PER BOEING SERVICE LETTER 737-SL-27-098 WHICH WAS WRITTEN TO ADDRESS THIS ISSUE SDR 20000914SH017Check Valve · inoperativeLEFT RUDDER BOOST INOPERATIVE. FOUND RIGHT RUDDER BOOST CHECK VALVE NOT CHECKING-FLOWING BOTH DIRECTIONS CAUSING LEFT ENGINE BLEED PRESSURE TO BE FELT ON BOTH SIDES OF RUDDER BOOST DIFFERENTIAL PRESSURE SWITCH CAUSING NO PRESSURE DIFFERENCE TO BE FELT CAUSINGSDR MWEA00783Rudder · restrictedMKE - FLT 3 - DURING TAXI CHECK OF FLIGHT CONTROLS, THE RUDDER TRAVEL FELT RESTRICTED IN BOTH DIRECTIONS. MAINTENANCE COULD NOT DUPLICATE THIS DISCREPANCY. PERFORMED INSPECTION AND CHECK. (X)SDR CA001005005Control Cable · loose(CAN) RUDDER CABLE TENSION NOT WITHIN SPECS - TOO LOOSE - SUSPECT REVERSAL OF RUDDER PEDAL BELLCRANK (7C10302-2) IF CABLE TENSION IS NOT WITHIN SPECS THIS BELLCRANK CAN BE REVERSED AND ARM CAN TRAVEL UNDER SHAFT. SPRING 7C10415-5 KEEPS THIS ARM IN POSITION. SDR AU000683Rudder Bar · cracked(AUS) RUDDER PEDAL SEPARATED FROM RUDDER BAR AT WELD JOINT. BRAKES HAD BEEN BLED TWELVE HOURS PREVIOUSLY. (X)SDR AU000629Valve · faulty(AUS) STANDBY RUDDER SHUTOFF VALVE INOPERATIVE. INVESTIGATION FOUND THE VALVE TO BE QUITE HOT AND THE OVERRIDE LEVER STIFF TO OPERATE.SDR DL767001664Control Cable · frayedFOUND RUDDER CABLES RA-4 AND RB-4 FRAYED AT AFT RUDDER QUADRANT AT CENTERING MECHANISM. REPLACED CABLES.
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