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 97ZZZX3890Wrist Shaft · pin worn1974 AND LATER, 73CA CITABRIA AIRCRAFT WHICH UTILIZE TOE BRAKES. AT APROXIMATELY 1,700 HOURS TT, FOUND WRIST PINS IN RUDDER/BRAKE PEDAL WORN TO ALMOST FAILURE. LOSS OF PIN WOULD INTERFERE WITH BRAKE OR RUDDER ACTION.SDR MALA975572Bolt · failedDURING 5E-CHECK, LEFT RUDDER STOP TO HAVE A BROKEN BOLT. MAINTENANCE REPLACED BOLTS. OPS CHECK GOOD. (M)SDR F3LA97138Servo Valve · failedMDW - FLT 445 - FLIGHT CREW REPORTED UNCOMMANDED ROLL TO RIGHT ON TAKEOFF. DISENGAGED YAW DAMPER AND RETURNED TO NORMAL FLIGHT. MAINTENANCE REPLACED E.H. SERVO VALVE ASSEMBLY IN RUDDER PCU AND SYSTEM CHECKED OKAY. (X)SDR 97ZZZX3399Tube · chafedDURING 100-HOUR INSPECTION, FOUND RUDDER INTERCONNECT TUBE CHAFED THROUGH BY A FLOOR ATTACHMENT SCREW - TOO LONG OR WRONG LOCATION. SUBMITTER STATED HAVE FOUND SIMILAR DAMAGE ON OTHER AIRCRAFT. THIS TUBE HAS A THICK SIDE WALL AND HAS A 1.50 INCH LONG ARCING SDR CALA9701103Valve · crackedAIRCRAFT LOST RT HYDRAULIC SYSTEM WHILE ENROUTE TO IAH. THE RIGHT GAUGE SHOWED ZERO PRESSURE AND THE LOW PRESSURE LIGHT ILLUMINATED. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT. MAINTENANCE FOUND THE RUDDER HYDRAULIC POWER SHUTOFF VALVE CRACKED AT CASING. SDR CA970728008Tube Weld · cracked(CAN) RUDDER PEDAL TUBE WELD AT TORQUE TUBE CONNECTION FOUND TO BE CRACKED.SDR USAAF97058Switch · stickingPIT/CRW - FLT 1017 - ON CLIMB-OUT FROM PIT, 'RUDDER 2' FAULT ILLUMINATED. WHILE GOING THROUGH APPROPRIATE CHECK LIST, 'RUDDER 1' FAULT ILLUMINATED, AUTOPILOT DISENGAGED, AND 'STAB TRIM' FAULT ILLUMINATED. CREW ELECTED TO RETURN TO PIT BECAUSE CRW IS A NON-MSDR 97ZZZX3880Pedal Arm · wornDURING PHASE 3 OF BEECH 200-HOUR INSPECTION PROGRAM, REQUIRED INSPECTION OF RUDDER PEDALS PER CHAPTER 27-20-00, PAGE 206. FOUND BOLT HOLES ON RUDDER PEDAL ARMS WORN BEYOND LIMITS. PART IS MAGNESIUM, AND PART THAT REPLACES ARM IS ALUMINUM P/N 50-524326-33.SDR 97ZZZX3438Coil · joint crackedJOINT WHERE THE CONNECTOR ATTACHES TO THE COIL IS CRACKED. JOINT IS NARROW AND WEAK. SUBMITTER STATES; CAN SEE RECURRING PROBLEMS WITH CRACKING. RECOMMEND MAKING JOINT STRONGER.SDR 97ZZZX3382Torque Tube · rustedDURING A 100-HOUR INSPECTION, A RIVET WAS FOUND MISSING ON THE BOTTOM OF THE RUDDER WHERE THE TORQUE TUBE IS RIVETED TO THE BOTTOM RIB. CLOSER INSPECTION REVEALED HOLE WAS CORRODED. DRILLED AND PEELED BACK SKIN. FOUND STEEL TORQUE TUBE RUSTED AND BOTTOM RIB SDR 97ZZZX3162Pedal · wornWHILE INSPECTING THE PILOT'S RUDDER PEDALS AT THE ANNUAL INSPECTION, THE PILOT'S PEDAL ARMS WERE FOUND WORN AT THE PEDAL TO ARM ATTACH PIVOT HOLES; .0625 INCH OF ARM WAS LEFT IN THE AREA AROUND THE BUSHING AT THE PIVOT POINT. SUBMITTER STATED TIME ON AIRCRAFTSDR 97ZZZX3161Pedal · wornWHILE INSPECTING THE PILOT'S RUDDER PEDALS AT THE ANNUAL INSPECTION, THE PILOT'S PEDAL ARMS WERE FOUND WORN AT THE PEDAL TO ARM ATTACH PIVOT HOLES; .0625 INCH OF ARM WAS LEFT IN THE AREA AROUND THE BUSHING AT THE PIVOT POINT. SUBMITTER STATED TIME ON AIRCRAFTSDR 97ZZZX3347Torque Tube · corrodedUPON REMOVAL OF THE RUDDER, A BIRD NEST AND WATER WAS FOUND INSIDE THE TORQUE TUBE CREATING A CORROSION PROBLEM INSIDE AT TORQUE TUBE. THERE IS NO DRAIN HOLE IN THE BELLCRANK OR TORQUE TUBE TO ALLOW WATER TO DRAIN FROM THE TUBE.SDR 97ZZZX3542Bellcrank · failedRUDDER PEDAL INTERCONNECT REARWARD PROTRUDING ARM BROKE COMPLETELY OFF APPROXIMATELY 1 INCH FORWARD OF INTERCONNECT ROD PIVOT. BELLCRANK BROKE DURING GROUND OPERATIONS WHEN FLIGHT INSTRUCTOR APPLIED PRESSURE ON RUDDER PEDAL OPPOSITE OF THE STUDENT, IN ORDER TSDR 97ZZZX3479Pedal · excess wearRUDDER PEDALS WERE REMOVED TO FACILITATE OTHER MAINTENANCE. UPON REMOVAL, FOUND PEDAL ATTACH HOLES SEVERELY ELONGATED. TO REPAIR, A .125 INCH DOUBLER OF 6061-T6 WAS USED ON EACH SIDE OF THE PEDAL AS THE PEDAL PIN WAS JUST LONG ENOUGH TO ACCOMODATE THE EXTRA SDR ABXA9701181Torque Tube · corrodedDURING C-CHECK, FOUND THE RUDDER TORQUE TUBE CORRODED. REPLACED RUDDER TORQUE TUBE.SDR AU970833Rudder System · malfunction(AUS) RUDDER BOOST SYSTEM FAULTY - MAINTENANCE CHECKS OF SYSTEM COULD FIND NO FAULTSSDR 97ZZZX2884Connector Spring · brokenPILOT AT TAKEOFF NOTICED AIRCRAFT FELT STRANGE IN THE TAIL SECTION/TAIL WHEEL. TAIL WAS OFF THE GROUND, PILOT SET TAIL BACK ON GROUND, AIRCRAFT TOOK HARD SHARP TURN TO THE LEFT AND ENDED UP IN A FENCE. AFTER INVESTIGATION, NOTED THE CONNECTOR SPRING AND CHAISDR P5CA9700555Transfer Valve · leakingON CLIMBOUT, NR 3 HYDRAULIC QUANTITY WENT TO 0. SYSTEM SHUTDOWN AS PER ABNORMAL CHECK LIST. FOUND UPPER RUDDER TRANSFER VALVE LEAKING FROM VALVE ITSELF. REPLACED VALVE ASSEMBLY, LEAK CHECKED AND OPERATIONAL CHECKED PER 27-21-16.SDR HALA97112Shutoff Valve · failedHNL - FLT 522 - FROM LOG PAGE 122617: ACFT HAS NOTICEABLE WOBBLE ABOVE 290 KNOTS CL/DESCENT/CRUISE WITHOUT AP YAW DAMPER OR RUDDER POWER. DUE TO NOTICEABLE AC WOBBLE ABOVE 290 KNOTS, CL/DESCENT/CRUISE REF LOG PAGE 122617 TEST FLIGHT REQUIRED. REPLACED RUDDESDR MALA975422Travel Stop · crackedDURING RUDDER INSPECTION, FOUND RIGHT RUDDER TRAVEL STOP CRACKED. REPLACED STOPS. OPS CHECK GOOD. (M)SDR 97ZZZM684Travel Stop · crackedDURING RUDDER INSPECTION, FOUND RIGHT RUDDER TRAVEL STOP CRACKED. REPLACED STOPS. OPS CHECK GOOD. (M)SDR ORJA9767Target Plate · out of adjustGATE RETURN DUE TO NO RUDDER TRAVEL UNRESTRICTED LIGHT. PERFORMED ADJUSTMENT TEST ON RUDDER THROW LIMITER SENSORS IAW MM 27-20-06. FOUND SENSOR TARGET PLATE RESTING ON SENSORS. ADJUSTED PLATE TO WITHIN MM TOLERANCE. RUDDER UNRESTRICTED LIGHT OPS CHECK GOODSDR TWRA9794Control Unit · malfunctionDURING TAKEOFF, RUDDER RATIO LIGHT CAME ON. RE-SEATED CONNECTOR ON RUDDER RATIO COMPARATOR. OPS CHKS OK PER MM 27-21-12, PAGES 501-504. ITEM REPEATED 5-12-97. REPLACED UPPER RUDDER CONTROL UNIT. SYSTEM OPS CK OK PER MM 27-21-12. RUN-UP CK IAW MM 27-00-00SDR HALA9737Bearing · wornHNL - FLT 524 - FROM LOG PAGE 124685: AT AIRSPEEDS GREATER THAN 300 KIAS, THE ACFT HAS A RUMBLE AND WOBBLE THAT IS MORE PRONOUNCED AT WEIGHTS LESS THAN 95,000 POUNDS. RUMBLE/WOBBLE OCCURS WITH OR WITHOUT AUTOPILOT ON. RUDDER SERVO WITH YAW DAMPER ON SHOWS ASDR CA970523007Rudder · jammed(CAN) APPARENT RUDDER JAM IMMEDIATELY AFTER ROTATION. FOLLOWING ROTATION INTO A MODERATED CROSSWIND CORRECTIVE RUDDER WAS APPLIED. RUDDER PEDALS WERE STIFF AND EVEN WITH A CONSIDERABLE FORCE APPLIED THE RUDDER ONLY HAD A LIMITED AMOUNT OF DIRECTIONAL CONTROL. SDR ABXA9700983Rudder Pedal Arm · crackedDURING C-CHECK, FOUND THE FIRST OFFICER'S RUDDER PEDAL ADJUSTMENT LUG CRACKED. REPLACED RUDDER PEDAL ARM (P/N 59654351) IAW ABX EA AD-27-03966.SDR CA970513008Rod · worn(CAN) TRAILING RUDDER UPPER RADIUS ROD FORWARD ROD END BEARING P/N DSC4-4 FOUND LOOSE IN RADIUS ROD. JAMB NUT FOUND LOOSE. ROD END WAS RETAINED IN RADIUS ROD ONLY BY 3/32" RIVET. THREADS ON RADIUS ROD WERE WORN OUT.SDR 97ZZZX2865Support Web · crackedWHILE VISUALLY INSPECTING THE RUDDER SUPPORT ASSY DURING A 150-HOUR INSPECTION, TWO CRACKS WERE FOUND ON THE RUDDER TORQUE TUBE LOWER SUPPORT WEB. THE CRACKS WERE DEVELOPED AS A RESULT OF PART STRESS DURING MANUFACTURE.SDR 97ZZZX2549Manifold · crackedRUDDER PCU MANIFOLD IS CRACKED INSIDE FILTER BOWL AT PRESSURE PORT PASSAGEWAY.SDR 97ZZZX2548Manifold · crackedRUDDER PCU MANIFOLD IS CRACKED INSIDE FILTER BOWL AT PRESSURE PORT PASSAGEWAY.SDR 97ZZZX2547Manifold · crackedRUDDER PCU MANIFOLD IS CRACKED INSIDE FILTER BOWL AT PRESSURE PORT PASSAGEWAY.SDR 9708509956Power Pack Nut · missingDURING FUNCTIONAL CHECK OF TAILCONE RELEASE SYSTEM, MAINTENANCE FOUND RUDDER POWER PACK ROD END BOLT NUT MISSING AND BOLT PARTIALLY BACKED OUT OF ROD END. REPLACED NUT, SAFETIED AND SECURED BOLT.SDR CA970507010Bar · broken(CAN) DURING A PRACTICE SPIN RECOVERY, NO RIGHT RUDDER CONTROL WAS AVAILABLE FROM THE LEFT SEAT POSITION. THE AIRCRAFT WAS FLOWN FROM THE RIGHT SEAT AND LANDED SAFELY. MAINTENANCE FOUND THE LEFT SIDE RIGHT RUDDER PEDAL BROKEN OFF THE TORQUE TUBE BELOW THE WESDR ABXA9701068Arm · crackedDURING D-INSPECTION, FOUND THE FIRST OFFICERS RIGHT RUDDER PEDAL ARM CRACKED AT OUTBOARD ATTACH HOLD. REPLACED RIGHT RUDDER PEDAL ARM IAW DC9 MAINTENANCE MANUAL CHAPTER 20-16-0.SDR JBXA970014Press Switches · failedRDU - FLT 443 - AT 10,000 FEET AS A/C ACCELERATED RUD1 AND RUD2 FAULTED WITH YAW DAMP 1 AND 2 AND ALSO STAB TRIM FAULTS 1 AND 2. BOTH RUDDER FAULTS RESET AT 3,000 FEET. SLOWED TO 210 KTS AND RETURNED TO RDU. ONCE ON THE GROUND IN RDU THE LOW AND HIGH ACTIVESDR 97ZZZX2027Rudder Control · malfunctionPILOT REPORTED AFTER TAKEOFF DURING CLIMB-OUT, RUDDER APPEARED LOCKED IN THE NEUTRAL POSITION. UNABLE TO CORRECT PROBLEM IN-FLIGHT, MADE AN EMERGENCY LANDING AT CHS. GAINED ACCESS TO RUDDER/AILERON INTERCONNECT AREA. FOUND INTERCONNECT CABLE OUT OF POSITIONSDR 97ZZZX1952Torque Tube · failedRUDDER SYSTEM CEASED TO OPERATE. FOUND LEFT RUDDER TORQUE TUBE ASSY ARM BROKEN FREE OF TORQUE TUBE. THIS ARM IS CONNECTED TO RUDDER CABLE. REPLACED TORQUE TUBE WITH NEW PART.SDR AU970343Spring · cracked(AUS) RH RUDDER PEDAL RETURN SPRING BROKENSDR AU970342Spring · broken(AUS) LH RUDDER PEDAL RETURN SPRING BROKENSDR 97ZZZX2081Torque Tube · brokenPILOT EXPERIENCED LANDING DIFFICULTIES. UPON INSPECTION OF FLIGHT CONTROLS, TECHNICIAN DISCOVERED RUDDER CABLE ATTACH FITTING BROKEN OFF OF THE LT CONTROL TORQUE TUBE ASSY. MAGNAFLUX INSPECTION OF THE RT TORQUE TUBE ASSY REVEALED IT CRACKED AT THE EDGE OF THSDR CA970421016Pcu · failed(CAN) RUDDER PCU FAILED STEP 4A OF W/C 6026, AD 94-01-07 PCU FAILED TO CENTRE RUDDER ASSEMBLY WHEN JUMPERS REMOVED FROM PINS OF YAW DAMPER COUPLER, REPLACED.SDR VNAA9704004Controls · stiffAT 200 AGL, THE RUDDER BECAME VERY STIFF. AIRCRAFT CONTINUED AND LANDED WITHOUT FURTHER INCIDENT. ON THE GROUND, THE PILOT REPORTED THAT THE RUDDER WAS STILL STIFF. MAINTENANCE PERFORMED A COMPLETE RUDDER SYSTEM AND RUDDER AUTO-PILOT SYSTEM OPERATIONAL CHECSDR GTIA9700268Connectors · dirtyBOS - FLT 248 - LEG 3, TAKEOFF PLUS 5 MINUTES RUDDER CONTROL MANUAL LIGHT CAME ON. NO FLUID LOSS OR FLIGHT CONTROL CHANGE. INSPECTED RUDDER POWER PACK UNIT AND CONTROL SYSTEM. REMOVED ELECTRICAL CONNECTORS, CLEANED TERMINALS, THE RE-INSTALLED. OPERATE RUDDSDR 97ZZZX1857Tube · scoredTHE RUDDER PEDAL BELLCRANK INTERCONNECT TUBE WAS SCORED ENTIRELY THROUGH THE TUBE WALL BY A 1 INCH LONG PK TYPE UPHOLSTERY SCREW USED TO SECURE THE PILOT'S KICKPLATE TO THE FLOOR BOARD. REPLACED TUBE. NEW SCREW INSTALLED NO LONGER THAN .75 INCH. SUBMITTER SSDR S2YA97015Rudder Boost · inoperativeMKE/MSN - FLT 1876 - ON TAKEOFF WITH ENGINES AT HIGH POWER, THE CAPTAIN FOUND THE RT RUDDER PEDAL STIFF. HE NOTIFIED ATC HE WISHED TO MAKE AN EMERGENCY LANDING AT MKE. CFR WAS CALLED OUT, AND THE AIRCRAFT LANDED WITHOUT INCIDENT. ONCE AT THE GATE, ACFT INSPSDR REXA97073Rudder Limiter · no lightRUDDER LIMIT FEELS LIKE IT IS LIMITING WITHOUT RUDDER LIMIT LIGHT. DEFERRED RUDDER LIMITER. (M)SDR 97ZZZX1980Bar Assy · crackedWHILE MAKING A RIGHT CROSS-WIND LANDING, RUDDER FELT MUSHY AND WOULD ONLY MOVE THE 5 DEGREES LEFT. INSPECTION REVEALED THE LEFT RUDDER BAR HAD CRACKED ALMOST COMPLETELY AT THE POINT WHERE THE STRAIGHT TUBING IS WELDED TO THE CURVED TUBING AND REINFORCED WITH SDR 97ZZZX1721Horn · broken weldsTHE WELDS ATTACHING THE RUDDER HORN TO THE RUDDER VERTICAL POST BROKE CAUSING AN IN-FLIGHT LOSS OF RUDDER CONTROL. ONLY ONE TAC WELD EXISTED AROUND THE VERTICAL TUBE. THIS FAILURE CAUSED BY INSUFFICIENT WELD AREA AROUND THE VERTICAL RUDDER POST. THIS AREA ISDR CA970401001Centering Unit · improper assy(CAN) DURING A ROUTINE AD INSPECTION A ROUGHNESS WAS DETECTED IN THE RUDDER FEEL AND CENTERING UNIT. THE HOUSING ASSEMBLY WAS INSTALLED IN THE REVERSE POSITION ON THE CENTERING UNIT. THE UNIT HAD BEEN RECENTLY OVERHAULED.
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