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 2001UALA00643Control 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 SCRAPPED PER BOEING SERVICE LETTER 737-SL-27-098 WHICH WAS WRITTEN TO ADDRESS THIS ISSUE IN APRIL 1995. HESDR DL72S000550Valve · leakingSYSTEM A HYD LOSS IN FLT. DIVERTED TO ELP. FOUND LWR RUDDER PCU YAW DAMPER ENGAGE SOLENOID VALVE LEAKING. REPLACED SOLENOID VALVE AND HYDRAULIC CASE DRAIN AND PRESS FILTERS.SDR 20000501SH036Sleeve · gougedSLEEVE IS GOUGED. POSSIBLE CAUSE: CONTACT WITH THE CAM SEGMENT DURING OPERATION. (X)SDR 20000501SH035Cam · wornANNULAR WEAR IN CAM SEGMENT MATING AREA. POSSIBLE CAUSE: CAM SEGMENT ACTUATING BACK AND FORTH DURING OPERATION. (X)SDR 20000501SH034Cam · wornCAM SEGMENT IS GOUGED ON THE 0.325 INCH DIAMETER. POSSIBLE CAUSE: APPEARS TO BE CAUSED BY RUBBING ON THE SLEEVE OF THE YAW DAMPER ASSEMBLY. (X)SDR 20000501SH033Cam · wornBALL END OF CAM SEGMENT IS UNDERSIZED ON THE 0.311 INCH DIAMETER. POSSIBLE CAUSE: APPEARS TO BE CAUSED BY MOVEMENT INSIDE YAW DAMPER SLIDE. (X)SDR F3LA00006Rod · kinkedDEN - DURING C-5 CHECK, INSPECTION REPORTED RUDDER PCU VERNIER CONTROL ROD KINKED AT AFT END. MAINTENANCE REPLACED THE RUDDER PCU VERNIER CONTROL ROD. (M)SDR 20000407SH014Beam · crackedCRACK AT FLANGE CAUSED BY NORMAL WEAR AND STRESS ON AIRCRAFT. (X)SDR CA000224029Control Cable · frayed(CAN) DURING 400 HR INSPECTION OF FLIGHT CONTROL CABLES, WHICH REQUIRES CABLES TO BE INSPECTED THROUGHOUT THEIR ENTIRE LENGTH, IT WAS NOTED THAT THE RT RUDDER CABLE HAD SEVERAL BROKEN STRANDS. IT SHOULD BE NOTED THAT WITHOUT REMOVAL OF THIS CABLE, THE DEFECT SDR CA000224028Control Cable · frayed(CAN) DURING 400 HR INSPECTION OF FLIGHT CONTROL CABLES, WHICH REQUIRES CABLES TO BE INSPECTED THROUGHOUT THEIR ENTIRE LENGTH, IT WAS NOTED THAT THE LT RUDDER CABLE HAD SEVERAL BROKEN STRANDS. IT SHOULD BE NOTED THAT WITHOUT REMOVAL OF THIS CABLE, THE DEFECT SDR AU000305Pedal · broken(AUS) RIGHT RUDDER PEDAL BRAKE CONTROL OPERATING LEVER FAILED. PEDAL WAS FOUND TO BE A PRE-MOD TYPE.SDR CA000301011Control Cable · frayed(CAN) DURING THE ANNUAL INSPECTION, THE RUDDER CABLES WERE FOUND CORRODED AND FRAYED WHERE THEY PASS THROUGH THE TAILCONE AREA. THE SUBMITTER STATES THAT THIS AREA IS DIFFICULT TO INSPECT THOROUGHLY WITHOUT DISASSEMBLY OF THE TAIL SECTION.SDR PCAA0002019Switch · failedDURING TAXI OUT, RUDDER PRESSURE AND MASTER CAUTION LIGHTS ILLUMINATED. MAINTENANCE REMOVED AND REPLACED NR 1 RUDDER PRESSURE SWITCH, OPS CHECKED GOOD. RETURNED A/C TO SERVICE. ON SUBSEQUENT REPOSITIONING FLIGHT (NON-REVENUE) LIGHTS ILLUMINATED AGAIN. MAINSDR PLGA000210Stop · missingFLT 4759 - ON LANDING ROLL, THE CREW NOTED RUDDER TRAVEL RESTRICTED IN BOTH DIRECTIONS. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND BOTH RUDDER STOPS MISSING WITH ONE PLATE FROM A STOP ASSEMBLY STILL IN AREA. AFTER THESDR PLGA000202AStop · missingBGR - DURNG A 10 DAY SCHEDULED INSPECTION (LC2), MAINTENANCE FOUND THAT THE RIGHT PRIMARY RUDDER STOP WAS MISSING. UPON FURTHER INSPECTION OF THE RUDDER SYSTEM, NO FURTHER DEFECTS WERE FOUND. THE RUDDER STOP WAS REPLACED, ALL CHECKS WERE SATISFACTORY AND THESDR 20000330SH001Pedal · brokenRIGHT RUDDER PEDAL SEPARATED FROM TORQUE TUBE. THE AREA WHERE THE TORQUE TUBE AND RUDDER PEDAL ARE ATTACHED CRACKED BELOW THE WELD. THIS WAS CRACKED PRIOR TO THE INCIDENT. WHEN HARD RIGHT RUDDER PEDAL WAS APPLIED, IT BROKE AND SPLIT TORQUE TUBE LOOSING CONSDR CA000203021Rudder · malfunctioned(CAN) WHILE IN CRUISE WITH LT ENGINE FEATHERED FOR CUSTOMER ACCEPTANCE FLIGHT ABOVE 145 KNOTS WITH RUDDER IN LOW PRESSURE MODE, THERE WAS NO MOVEMENT OF RUDDER. RIGHT RUDDER LOCKED. BELOW 145 KNOTS WITH RUDDER OPERATING IN HIGH PRESSURE MODE, THERE WAS NO PRSDR 20000405SH029Control Cable · misroutedDURING AIRCRAFT''S FIRST ANNUAL INSPECTION (SINCE NEW), FOUND RUDDER CABLE PN R-106-524051-5 INCORRECTLY ROUTED (WRONG BULKHEAD LIGHTNING HOLE) THROUGH AREA UNDER LANDING GEAR ACTUATOR. PART WAS NOT DAMAGED, SIMPLE RE-ROUTING THROUGH CORRECT HOLE CORRECTED ISSDR CA000203020Rudder · inoperative(CAN) WHILE IN CRUISE WITH LT ENGINE FEATHERED FOR CUSTOMER ACCEPTANCE FLIGHT ABOVE 145 KNOTS WITH RUDDER IN LOW PRESSURE MODE, THERE WAS NO MOVEMENT OF RUDDER. RIGHT RUDDER LOCKED. BELOW 145 KNOTS WITH RUDDER OPERATING IN HIGH PRESSURE MODE, THERE WAS NO SDR P2EA00016Pcu · vibratedFLT 705 - MCI - VIBRATION NOTED DURING ENGINE SHUTDOWN. MAINTENANCE TROUBLESHOT VIBRATION TO B SYSTEM HYDRAULICS, FOUND RUDDER PCU VIBRATING WHEN DEFLECTED FROM CENTER. REMOVED AND REPLACED RUDDER PCU IAW MM 27-21-91. (M)SDR CA000713002Bracket · cracked(CAN) ON INSPECTION BOTH LT AND RT RUDDER PULLEY BRACKETS WERE FOUND CRACKED AT THE TOP PORTION. PULLEY BRACKETS WERE PATCHED USING THICKER ALUMINUM. FURTHER INSPECTIONS FOUND TWO OTHER PULLEY BRACKETS CRACKED IN THE SAME LOCATION.SDR AU000322Mount · cracked(AUS) LEFT PILOT SIDE BRAKE CALIPER MOUNT CRACKED.SDR UPS99831242Mechanism · bindingRUDDER BINDING DURING TAKEOFF ROLL, NORMAL OPERATION UNTIL AFTER LANDING AND TAXI. RUDDER BINDS LIMITING TRAVEL TO 3 INCH RUDDER PEDAL MOVEMENT PROBLEM WITH RUDDER IS SPORADIC. REF LOG PAGE 138103. REMOVED AND REPLACED LOAD FEEL MECHINISM. SYSTEM OPS CHECKSSDR UPS99831209Rudder · out of rigINSPECTION TYPE:N/A, PILOT REPORT, RUDDER WENT FULL RT DEFLECTION ON APPROACH. COMPLETED ECA 04957 FOUND RUDDER CONTROL SYSTEM OUT OF RIG. RIGGED PER ECA. OPS CHECKS GOOD PER MM 22-10-00.SDR CA991230031Limit Switch · failed(CAN) ECAM WARNING RUDDER TRAVEL LIMIT NR 1 & 2 ILLUMINATED ON CLIMB. AIRCRAFT LANDED, RUDDER TRAVEL LIMITER REPLACED.SDR USAASB99291Pcu · failedMCO - FLT 2611 - CAPTAIN REPORTED THAT 40 MILES NORTH OF MCO, AT FL120, THEY EXPERIENCED A POSSIBLE LEFT UNCOMMANDED RUDDER MOVEMENT. ROLL DISCONTINUED WHEN AUTOPILOT WAS DISENGATED. THE FIRST OFFICER OBSERVED THE AIRCRAFT ROLLED 25 DEGREES. FLIGHT CONTINUEDSDR 2000ZZZM84Coupler · damagedMIA - ON CLIMB-OUT, WITH AUTO PILOT ENGAGED AT 10000 PLUS 250-260 KTS RUDDER SPLIT AND AUTO PILOT COULD NOT CONTROL AIRCRAFT. DISCONNECTED AUTO PILOT AND FOUND IT TOOK 4 DEGREES RIGHT TRIM TO KEEP AIRCRAFT FROM YAWING. RETURNED TO MIA. TROUBLE SHOT SYSTEM, SDR CA991209073Control Cable · frayed(CAN) DURING INSPECTION OF THE RUDDER CABLES, WE FOUND A FLAT SPOT WITH A COUPLE OF BROKEN STRANDS. THE CABLE WAS REMOVED FOR INSPECTION AND WAS FOUND SEVERLY FRAYED. CABLE WAS REPLACED. IT SHOULD BE NOTED THAT THIS PARTICULAR CABLE IS ONE OF THE NEW STAINLESSSDR SWAA991968Pcu · erraticDURING DESCENT, YAW DAMPER KICKED HARD TO THE LEFT AND DISCONNECTED. AIRCRAFT FLEW NORMALLY THE REST OF THE FLIGHT WITH YAW DAMPER DISCONNECTED. REMOVED AND REPLACED RUDDER PCU AND RUDDER STANDBY PCU.SDR 20000623SH005Rudder Pedal · wrong partTHE PILOT''S LEFT RUDDER PEDAL HAS THE WRONG PART NUMBER FORWARD SHAFT INSTALLED FROM FACTORY AND IN THE PARTS BREAKDOWN. PN 0411778-5 IS TOO SHORT AND WILL SHEAR THE COTTER PIN ALLOWING SHAFT TO COME OUT. THIS WOULD CAUSE POTENTIAL LOSS OF RUDDER CONTROL. SDR 99ZZZX4698Spring · brokenFOUND LEFT RUDDER RETURN SPRING BROKEN AT RUDDER PEDDLE ATTACH POINT. SUBMITTER STATED THIS IS SECOND SPRING FOUND BROKEN ON FLEET OF 4 AIRCRAFT.SDR CA991209030Spring · broken(CAN) DURING TAXI, THE PILOT HEARD A SNAP AND COULD NO LONGER EXECUTE RIGHT TURNS. MAINTENANCE FOUND THE LEFT RUDDER PEDAL RETURN SPRING BROKEN.SDR CA991116006Control Cable · frayed(CAN) DURING DAILY INSPECTION, 4 WATER RUDDER CABLES WERE FOUND FRAYED. THE DAMAGE WAS ISOLATED TO THE AREA ABOVE THE SPREADER BAR WHERE THE CABLES TRANSITION TO THE AIRCRAFT FUSELAGE. SUBMITTER STATED THEY CONTACTED THE MANUFACTURER AND STATED A NUMBER OF OSDR CA991112003Bellcrank · corroded(CAN) SEVERE CORROSION FOUND ON BOTTOM OF BELLCRANK UNDER THE CABLE ATTACHMENT CLEVIS. SUBMITTER STATED AIRCRAFT OPERATED IN SALT WATER ENVIRONMENT FOR OVER 12,000 HOURS.SDR ABXA9900784Bracket · corrodedDURING C-CHECK, FOUND FORWARD, INBOARD FOOT OF THE RUDDER PEDAL ASSEMBLY ATTACH BRACKET CORRODED. REPLACED BRACKET ASSEMBLY IAW DC9 MM 20-16-0.SDR DL733992377Pcu · failedAT FL370, MACH .76 THE ACFT EXPERIENCED AN UNCOMMANDED YAW, (TWO SEPARATE SHARP INPUTS). YAW DAMPER SWITCH TURNED OFF. MTC IN PROGRESS REPLACING RUDDER PCU, YAW DAMP COUPLER AND WIRING CHECKOUT.SDR 20001114SH026Limit Switch · malfunctionedMIA/KIN - FLT JM 020 - PRIOR TO DEPARTURE, FLIGHT CREW REPORTED A RUDDER TRAVEL LIMIT 2 LIGHT ON ECAM. DURING MAINTENANCE INVESTIGATION, NR 2 RUDDER TRAVEL LIMITATION UNIT 4CC WAS FOUND TO BE AT FAULT. THE UNIT WAS CHANGED, THE SYSTEM WAS OPERATIONALLY CHECKSDR SWAA991709Pcu · inopABORTED TAKEOFF, DURING TAKEOFF, RUDDER WAS HARD TO OPERATE. REMOVED AND REPLACED RUDDER PCU AND RUDDER CENTERING AND FIELD ASSY.SDR CA991028018Rudder Pedal · jammed(CAN) CREW REPORTED LIMITED RUDDER TRAVEL. MAINTENANCE REMOVED CELL PHONE FROM CAPTAIN'S PEDALS.........SYSTEM OPERATED NORMAL!SDR CA991007080Bearing · worn(CAN) DURING INSPECTION, RUDDER PEDALS FOUND TO HAVE PLAY UP AND DOWN. LEFT SUPPORT BRACKET, BEARING AND BOLT WERE FOUND TO HAVE SIGNIFICANT AMOUNT OF WEAR. ALL PARTS REPLACED.SDR 99ZZZX4018Sensor · damagedBASE OF LEAD WIRE FOUND PINCHED AND/OR BROKEN AT COIL CAUSING A FAILURE IN THE SENSOR ASSY OF THE RUDDER PCU ASSY. WIRES BEING PINCHED AND/OR CUT DURING INSTALLATION AND THE TORQUING OF CAP P/N 315123-1. WIRE GAUGE/DIAMETER OF COIL LEADS IS TOO SMALL.SDR CA990927067Pedal · cracked(CAN) DURING SCHEDULED MAINTENANCE, A CRACK WAS FOUND IN THE PILOT'S RT RUDDER PEDAL. THE CRACK RAN FROM THE BOTTOM EDGE OF THE CASTING TO THE PIVOT BUSHING AND THEN TO THE UPPER FORWARD HI-SHEAR RIVET.SDR 99ZZZX4008Sensor · damagedBASE OF LEAD WIRE FOUND PINCHED AND/OR BROKEN AT COIL CAUSING A FAILURE IN THE SENSOR ASSY OF THE RUDDER PCU ASSY. WIRES BEING PINCHED AND/OR CUT DURING INSTALLATION AND THE TORQUING OF CAP P/N 315123-1. WIRE GAUGE/DIAMETER OF COIL LEADS IS TOO SMALL.SDR 99ZZZX4007Sensor · damagedBASE OF LEAD WIRE FOUND PINCHED AND/OR BROKEN AT COIL CAUSING A FAILURE IN THE SENSOR ASSY OF THE RUDDER PCU ASSY. WIRES BEING PINCHED AND/OR CUT DURING INSTALLATION AND THE TORQUING OF CAP P/N 315123-1. WIRE GAUGE/DIAMETER OF COIL LEADS IS TOO SMALL.SDR DHL9980646CControl Cable · frayedAT C CHECK, EMPENAGE AREA AFT PRESS BULKHEAD RT RUDDER CONTROL CABLE FRAYED. REMOVED AND REPLACED CABLE RUN NR RL IAW DC8 MM 27-20-0 PG 502, RIG CK IAW DC8 MM 27-20-0 PG 510. RUDDER TAB OPS CK PERFORMED IAW DC8 MM 27-20-0 PG 601-605. N/R CARD NR 0909.SDR JBXA9900103Switch · failedFLT 220 RDU/MCO ON CLIMBOUT HAD A RUDDER NR 2 FAULT. AIR RETURN TO RDU. PERFORMED OPS CHECK OF RLMU IAW 27-23-01, NO FAULTS NOTED ON GROUND. GROUND OPERATED ENGS AND PUT RUDDER IN SEVERAL CONFIGURATION AND NO FAULTS FOUND. REMOVED AND REPLACED ACTIVE RUDDESDR DHL9980645CPulley · damagedAT C CHECK, AFT ACCESSORY CPMPT THROUGH ACCESS DOOR NR 62 RUDDER LEFT CABLE CONTROL PULLEY, DAMAGED. REMOVED AND REPLACED PULLEY IAW DC 8 MM 20-17-0 PG 201 AND 27-21-0 PG 1. OPS CKD IAW DC8 MM 27-20-0, PG 601-605. N/R CARD NR 0877.SDR DHL9980644CPulley · brokenAT C CHECK, A/C RUDDER PACK LT CONTROL CABLE PULLEY ACCESSIBLE THROUGH DOOR 362 AT TAIL CONE IS BROKEN. REMOVED AND REPLACED PULLEY IAW DC8 MM 20-17-0 PG 201 AND 27-21-0 PG 1. OPS CKD IAW DC8 MM 27-20-0 PG 601-605. N/R CARD, NR 0866.SDR AU990912Mount · broken(AUS) RUDDER BELLCRANK SUPPORT MOUNT BROKEN.SDR 99UAL900467Yaw Damper · malfunctionedAIRCRAFT EXPERIENCED A SHARP YAW TO LEFT ON RUNWAY JUST PRIOR TO V1. YAW DAMP WAS ENGAGED AT THE TIME. THE YAW DAMPER COUPLER WAS REPLACED AND SENT TO HONEYWELL IN SEATTLE.
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