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 DL72S970491Rudder · deflectionON TAKEOFF ROLL 10 KNOTS BEFORE V1, RUDDER KICKED HARD LEFT TWICE IN RAPID SUCCESSION CAUSING ABRUPT NOSE DEFLECTION. TAKEOFF WAS CONTINUED DUE TO HIGH WEIGHT AND HIGH SPEED.SDR GTIA9700244Throw Limiter · out of adjustDTW - RUDDER PEDAL MOVEMENT NOT RESTRICTED WHEN FLAP RUDDER STOP ENGAGED. ADJUSTED RUDDER PEDAL MOVEMENT AND AUX RUDDER THROW LIMITER, RUDDER STOP SWITCH AND FLAP RUDDER POSITION SWITCH. OPS CHECK GOOD IAW DC-9 MM 27-40-14. (M)SDR 97ZZZX1307Lever Assy · bearing defectTESTING, RUDDER PCU WAS WORKING FOR ABOUT 5 COMPLETE CYCLES SECONDARY STROKE/FLOW TEST PASSED IN BOTH RETRACT AND EXTEND POSITION. IN NEUTRAL TO FULL EXTEND, UNIT WAS BYPASSING AND WANTING TO GO IN THE RETRACT POSITION. IT REQUIRED AN EXCESSIVE AMOUNT OF FORSDR CA970319007Control Cable · frayed(CAN) DURING REPAIRS TO BRACKET STA 111.0, IT WAS NOTED THAT THE RUDDER CABLE HAD SEVERAL STRANDS BROKEN. APPROXIMATELY 25 STRANDS BROKEN. THIS AREA IS INSPECTED AT 100 HOUR INSPECTION, HOWEVER, IT IS NOT VISIBLE WITHOUT DISCONNECTING AFT END OF CABLE AND PULLSDR 97ZZZM470Spring Strut · bindingFLT 385 - GRR-MDW - WHILE TAXIING FROM THE RAMP TO THE RUNWAY, DURING THE FLT CONTROL FREEDOM OF MOVEMENT CHECKS, THE RUDDER JAMMED IN THE FULL RIGHT POSITION. AIRCRAFT RETURNED TO THE GATE. INSPECTION FOUND ONE OF THE TWO RUDDER FEEL SPRING STRUTS JAMMED INSDR CA970305003Pedal Beams · cracked(CAN) DURING INSPECTION PER PBN SB 56 AND 111, FOUND PILOTS LEFT AND RIGHT RUDDER PEDAL BEAM CRACKED. ALSO FOUND JO-BOLTS LOOSE ON THE STEERING LEVER. NOTE: NB/M/948 AND 428 HAD BOTH BEEN INSTALLED 2500 CYCLES PREVIOUSLY.SDR AALA970369Limiter Monitor · defectiveDFW - FLT T1420 - AFTER TAKEOFF DFW DURING CLIMB-OUT, RUDDER 2 FAIL AND YAW DAMPER 1 FAIL LIGHTS AND MESSAGES ILLUMINATED. AFER SELECTING NR 2 RUDDER OFF, RUDDER 1 AND 2 FAIL MESSAGES APPEARED FOLLOWED BY STAB TRIM 1 AND 2 FAIL AND YAW DAMPER 1 AND 2 FAIL. ASDR 97ZZZX1182Control Cable · frayedRUDDER CABLES ARE FRAYING IN AFT REAR BULKHEAD ON TOP OF PULLEYS. SUBMITTER STATED YOU MUST MOVE RUDDER IN OPPOSITE DIRECTION AND FEEL FWD AND AFT OF PULLEYS TO DETERMINE IF CABLE IS FRAYED.SDR 97ZZZX1177Control Cable · frayedRUDDER CABLES ARE FRAYING IN AFT BULKHEAD ON TOP OF PULLEYS. YOU MUST MOVE RUDDER IN OPPOSITE DIRECTION AND FEEL FWD AND AFT OF PULLEY TO DETERMINE IF CABLE IS FRAYED. IN SOME CASES, THIS IS NOT A GUARANTEE THAT IT IS NOT FRAYED.SDR GLBA97023Control Arm · looseTUS - PILOT AND CO-PILOT RUDDER PEDALS HAVE SLACK DURING TRAVEL. MAINTENANCE FOUND LOOSE RIVETS IN RUDDER ARM AT RUDDER QUADRANT ASSEMBLY. REPLACED RIVETS TO ELIMINATE SLACK. (M)SDR 97ZZZX1044Pcu · contaminatedPLASTIC BLAST MEDIA WAS FOUND THROUGHOUT THE UNIT. THE MAJORITY WAS FOUND IN THE PRESSURE AND RETURN FILTERS AND THE HYDRAULIC SOLENOID VALVE, P/N 59600-5003, S/N G194.SDR AU970108Control Cable · misrouted(AUS) RUDDER PEDAL ADJUSTMENT CABLE INCORRECTLY ROUTED - CABLE ROUTED BELOW THE CONTROL COLUMN ELECTRICAL CORD INSTEAD OF ABOVE IT -THIS CAUSED THE CABLE TO SNAG ON THE ELECTRICAL CORD AND JAM THE CONTROL COLUMN IN THE FULL AFT POSITION - PERSONNEL/MAINTENANCESDR GTIA9700162Connector · looseFLT 210 - ACY - RUDDER TRAVEL UNCONTROLLED LIGHT ILLUMINATED IN CRUISE FLIGHT. EXTINGUISHED DURING DESCENT INTO ACY AT APPROX 290 KIAS OPERATED NORMALLY THEREAFTER. FOUND CONNECTOR LOOSE ON RUDDER REST LIMITER SWITCH. CHECK SYSTEMS IAW 27-20-13. NO DEFECTSSDR SWAA970143Valve · failedIN FLIGHT, YAW DAMPER KICKED VIOLENTLY LEFT ONE TIME. CREW TURNED OFF YAW DAMPER FOR REMAINDER OF FLIGHT. LANDED WITHOUT INCIDENT IN HOU. AFTER LANDING, YAW DAMPER WOULD NOT TEST. DEFERRED AND CONTINUED PER MEL 22-3. DURING OVERNIGHT CHECK, REPLACED RUDDESDR 9701899998Switch · failedRUDDER TRAVEL UNRESTRICTED LIGHT REMAINED ON AFTER TAKEOFF THROUGH 230 KNOTS. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED RUDDER TRAVEL UNRESTRICTED SWITCH AND RUDDER CONTROL MANUAL SWITCH. ALSO, REPLACED LEAKING O-RING AT BELLOSDR 97ZZZX630Trim Arm · misindexedELEVATOR TRIM INDICATOR ARM FREQUENTLY BECOMES MISINDEXED GIVING ERRONEOUS TRIM SETTING INDICATIONS. A PILOT'S KNEE, RESTING AGAINST THE TRIM WHEEL, CAN DISPLACE THE WHEEL ENOUGH TO CAUSE THE TRIM ARM TO MOVE OUT OF THE SPIRAL GROOVE AND INTO ANOTHER GROOVE. SDR CA970130018Control Cable · frayed(CAN) RUDDER CABLE FRAYED AT TWO PLACES, ON THE RUDDER QUADRANT AND ON A PULLEY TWO FEET AFT.SDR SABA9700005Pressure Reg · failedCLT - FLT 5202 - SHORTLY AFTER TAKEOFF RUDDER PRESS CAPTION AND RUDDER FULL PRESS CAPTION WARNING LIGHTS ILLUMINATED. THE CAPTAIN NOTIFIED ATC THAT HE NEEDED TO RETURN TO CLT. AIRCRAFT RETURNED TO CLT ON FINAL APPROACH 50 FEET ABOVE GROUND THE WARNING LIGHTSSDR CA970210004Circuit Breaker · failed(CAN) ON TAKEOFF AND ACCELERATING THROUGH APPROXIMATELY 140 KIAS, THE RUDDER PRESSURE AND RUDDER FULL PRESSURE AND #1 RUDDER HYDRAULIC WARNING LIGHTS CAME ON. ON DECELERATION THROUGH APPROXIMATELY 140 KIAS, THE WARNING EXTINGUISHED. LANDED OK. FAULTY CIRCUIT BSDR DL73K970125Pcu · malfunctionedUNCOMMANDED LEFT RUDDER INPUT YAW DAMP INDICATOR SHOWED LEFT DISPLACEMENT. THIS HAPPEDED DURING CLIMB JUST AFTER TAKEOFF, WINGS LEVEL 2500 AGL 210 KTS PWR STEADY AT CLIMB EPR. REPLACED RUDDER PCU, YAW DAMP COUPLER AND TEST OK.SDR CA970130021Solenoid Valve · intermittent(CAN)DURING CLIMB CREW OBSERVED A RUDDER LOAD LIMITER WARNING AND RETURNED TO BLOCKS. LOAD LIMITER CONTROL VALVE REPLACED.SDR ABXA9700868Torque Tube · corrodedDURING C-CHECK, THE RUDDER TORQUE TUBE WAS FOUND CORRODED. THE TORQUE TUBE WAS REPLACED IAW DC9 MM.SDR 9701069603Shutoff Valve · malfunctionedFLAP/RUDDER STOP INOPERATIVE ANNUNCIATOR LIGHT ILLUMINATED ON TAKEOFF ROLL. ABORTED TAKEOFF AT 90 KNOTS AND RETURNED TO GATE. MAINTENANCE TESTED SYSTEM AND CYCLED RUDDER HYDRAULIC POWER SHUTOFF VALVE. DISCREPANCY COULD NOT BE DUPLICATED.SDR 97UAL900053Spring · brokenTHE RUDDER LOCKED UP ON LANDING, UNABLE TO MOVE IN ANY DIRECTION. THE RUDDER CAME LOOSE AFTER TURNING OFF THE RUNWAY. *S/D* THE SECOND STAGE LOAD FEEL SPRING ON THE UPPER RUDDER MECHANISM BROKE AND OBSTRUCTED FREE MOVEMENT OF THE UPPER MECHANISM, SUBSTANTIALSDR MALA975287Limiter · malfunctionedFLT 2980 - ON APPROACH INTO DTW, RUDDER LIMIT CAUTION LIGHT ILLUMINATED ALONG WITH VERY LITTLE IF NO RUDDER TRAVEL. AIRCRAFT LANDED WITHOUT INCIDENT AFTER LANDING CREW WENT TO OVERRIDE AND FULL TRAVEL OR RUDDER WAS RESTORED. MAINTENANCE DEFERRED RUDDER LIMITSDR COMA9710035Bushing · failedWHEN CAPTAIN'S FEET CONTACT RUDDER PEDALS, PEDAL ADJUSTMENT WILL NOT HOLD. REPLACED BUSHING IN PEDAL ADJUSTMENT ASSEMBLY.SDR 97ZZZX875Cam Segment · wornTHE SHAFT JUST ABOVE THE BALL IS RUBBING/WEARING ON THE YAW DAMPER SLEEVE. WHEN THE UNIT WAS EXTENDED AND THE YAW DAMPER WAS ENERGIZED IN THE EXTEND POSITION, THE UNIT BOUND AND WOULD NOT RETRACT PER PARA 12, G, 889. THE AREA OF WEAR HAS A RIDGE THAT WILL CASDR 97ZZZX876Solenoid · shorted outFLUID PASSING THROUGH ELECTRICAL CONNECTOR SHORTED OUT WIRING.SDR P5CA9700036Connector · contaminatedON TAXI OUT AFTER FLIGHT CONTROL CHECK, RUDDER RATIO LIGHT CAME ON AND REMAINED ON. REMOVED AND CLEANED CANNON PLUGS ON BOTH UPPER AND LOWER RUDDER RATIO UNITS. PERFORMED RUDDER RATIO CHECK PER BOEING MAINTENANCE MANUAL 27-21-12, PROCEDURE GROUND CHECKS NORSDR USAAD97009Bearings · failedFLT 7900 - IAD-PIT - AT 320 KIAS, AIRCRAFT REQUIRED OVER 15 DEGREES OF LEFT RUDDER TRIM. SELECTED RUDDER POWER OFF AND RETURNED TO FIELD. A/C FERRIED TO PIT FOR REPAIR. REPLACED LOWER RUDDER BEARING AND 3 RUDDER HINGE BOLTS. (M)SDR 97ZZZX505Bracket · crackedDURING ANNUAL INSPECTION, CENTER RUDDER PEDAL BRACKET FOUND CRACKED AT 4 LOWER BOLT HOLES. SUSPECT NOSE WHEEL SHIMMY AND PART DESIGN FOR FAILURE. SUBMITTER RECOMMENDS A THOROUGH INSPECTION ANNUALLY FOR THESE CRACKS.SDR 97ZZZX176Bar Assy · brokenPILOT REPORTED THAT DURING RUN-UP PRIOR TO FLIGHT, RIGHT RUDDER PEDAL WOULD NOT MOVE RUDDER SURFACE. INSPECTION REVEALED A WELD IN RUDDER BAR ASSY HAD BROKEN AT THE ARM WHICH CONNECTS IT TO THE RUDDER PEDAL (PILOT'S RIGHT RUDDER). CAUSE OF BREAK: SUSPECTED SDR UF6A961204Water Traps · req'd serviceORD - FLT 5729 - UPON TAKEOFF AND CLIMB, REQUIRED EXCESSIVE RUDDER PRESSURE TO MAINTAIN DIRECTIONAL CONTROL. MAINTENANCE DRAINED WATER FROM RUDDER BOOST WATER TRAPS. SYSTEM OPS CHECKED GOOD. (M)SDR AWXA9600776Rudder Pcu · malfunctionedYAW DAMPER IS INTERMITTANT. AIRCRAFT EXPERIENCES NEARLY CONSTANT SLIGHT DUTCH ROLL WITH EXCURIOUS TO MODERATE DUTCH ROLL. REMOVED AND REPLACED RUDDER PCU.SDR GLBA96239Rudder Boost · activatedRDU - UNSCHEDULED RUDDER BOOST ACTIVATION. MAINTENANCE COULD NOT DUPLICATE. (M)SDR 97ZZZX179Pedal · failedTHE OPERATOR REPORTS A THIRD FAILURE OF THE LEFT FORWARD RUDDER PEDAL AT THE LOWER LEFT HAND CORNER AT 65 HOURS TIMES IN SERVICE. THIS FIRST AND S ECOND FAILURE OCCURRED AT 147 AND 86 HOURS RESPECTIVELY. PART TOTAL TIME AVERAGE = 93 HOURS.SDR MALA965226Torque Tube · wornDURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE FOUND THE RUDDER TORQUE TUBE WORN BEYOND ALLOWABLE LIMITS OF .003 FROM PHENOLIC SEAL. REPAIRED RUDDER TORQUE TUBE BY REMOVING AND REPLACING WITH A NEW RUDDER TORQUE TUBE, P/N 27-42051-8037, IAW FAIRCHILD MM 27SDR 9625173210Feel Solenoid · failedDURING FINAL APPROACH IN LIGHT ICING CONDITIONS, THE RUDDER PEDALS WERE RESTRICTED IN THE NEUTRAL POSITION. WING AND ENGINE ANTI-ICE WERE OPERATING AT THE TIME. AUTO PILOT WAS NOT ENGAGED. AIRCRAFT LANDED WITHOUT INCIDENT. RUDDER MOVEMENT RETURNED TO NORMASDR SWAA961251Pcu · failedEXPERIENCED UNCOMMANDED YAW INPUT TO THE RIGHT DURING FLIGHT. DISENGAGING YAW DAMPER, NO HELP. AIRCRAFT RETURNED TO PHX AND MADE AN UNEVENTFUL LANDING. REPLACED RUDDER PCU, YAW DAMPER COUPLER AND TEST FLEW PER BOEING M/M.SDR MALA965203Controls · frozenFLT 3250 - ON CLIMB-OUT FROM MSP, THE CREW REPORTED THAT THE RUDDER PEDALS WERE FROZEN AFTER GEAR RETRACTION. THE AIRCRAFT RETURNED TO MSP. AFTER GEAR EXTENSION, THE RUDDER SYSTEM OPERATED NORMALLY. MAINTENANCE PERFORMED TROUBLESHOOTING AS PROVIDED BY DEHAVSDR CA961125005Control · locked(CAN) AT V1 SPEED #1 ALTERNATOR FELL OFF LINE, AFTER ROTATION, SELECTED GEAR UP, DURING RETRACTION, RUDDER CONTROL LOCKED UP, (BOTH RUDDER AND PEDALS). AT 100 FEET, AIRSPEED 120 TO 130 KNOTS, EMERGENCY DECLARED AND GEAR SELECTED DOWN. DURING EXTENSION RUDDER SDR 96ZZZX6162Spring · brokenOPERATOR COMPLAINED OF HEAVY RUDDER AND OUT OF TRIM. UPON INSPECTION, FOUND RT RUDDER CENTERING SPRING BROKEN AT AFT ATTACHMENT. AIRCRAFT 4.6 HOURS SINCE 'OWNER ASSISTED ANNUAL INSPECTION' WAS COMPLETED. AREA IS AWKWARD TO INSPECT UNLESS AREA PANELS ARE REMSDR 96UAL900877Bushing · brokenCREW REPORTS WHILE DOING FLIGHT CONTROL CHECK, FOUND RUDDER HAS A BINDING OR GRINDING FEEL WHEN DISPLACED TO RIGHT THE LAST FEW INCHES OF FULL TRAVEL. THE RUDDER POWER CONTROL UNIT FORWARD MANIFOLD CLEVIS BOLT GUIDE BUSHING WAS BROKEN. REPLACED BUSHING. OPSDR 96ZZZX6078Piston · chrome chippedTHE CHROME PLATING ON THE CHAMFER IS CHIPPED OFF CAUSING CHROME PARTICLES TO FLOW THROUGHOUT THE INSIDE OF THE UNIT. THIS WAS CAUSED WHEN THE FWD PISTON (FIG 1103 IT. 14) WAS TORQUED ONTO THE AFT PISTON AND THE CHROME ON THE CHAMFER CHIPPED OFF DUE TO PRESSURSDR 96UAL900866Bushing · brokenCAPTAIN AND FIRST OFFICERS RUDDER PEDALS HAVE FEEDBACK OR RESISTANCE IN LAST TWO INCHES OF TRAVEL ON THE RIGHT SIDE, THE LEFT SIDE IS NORMAL. FOUND RUDDER POWER CONTROL UNIT FORWARD MANIFOLD CLEVIS BOLT GUIDE BUSHING BROKEN. RUDDER CONTROL ACTUATOR FORWARD SSDR ABXA9700228Hub · crackedDURING COMPLIANCE OF N 2757, AD 96-02-05, ASB A 27-325 REV NR 3 THE PEDAL ADJUST HUB ASSEMBLY HAD CRACK INDICATIONS. *S/D* CHANGED HUB ASSEMBLY IAW ABX EA AD 27-03967-MA.SDR 96ZZZX5908Control Rod · corrodedDURING AN ANNUAL INSP THE TWO CONTROL RODS THAT CONNECT TO THE RUDDERVATORS WERE REMOVED TO C/W SB NR 2668. HEAT HAD TO BE APPLIED TO REMOVE THE ROD ENDS. THREADS WERE CORRODED AND INSIDE OF TUBES PITTED CORROSION WAS FOUND. BOTH CONTROL ROD ASSEMBLIES WERESDR 96ZZZX5907Support Bracket · crackedON ANNUAL INSPECTION THE INBD STBD RUDDER BAR SUPPORT BRACKET WAS FOUND CRACKED. PRESSURE APPLIED TO RUDDER PEDAL PUTS PRESSURE ON BRACKET CAUSING IT TO CRACK. SUBMITTER RECOMMENDS A HEAVIER DUTY BRACKET.SDR CA961115013Pedal Bar · cracked(CAN) LEFT RUDDER PEDAL BAR CRACKED IN FLIGHT. AIRCRAFT LANDED FROM RIGHT SEAT. RUDDER AND BRAKES LOST TO LEFT SEAT. PIPER SERVICE LETTER 671 COVERS THE PROBLEM.SDR AWXA9600652Rudder Pcu · malfunctionedLAS - FLT 2606 - WHILE AT CRUISE AT 35,000 FT, 72M W/AUTOPILOT ENGAGED, THE A/C EXPERIENCED A SHARP LEFT YAW. DISENGAGED THE AUTOPILOT. A/C DIVERTED TO LAS. INSPECTED A/C, FOUND TO BE SAFE FOR MX. FERRY TO PHX. R/R'D THE YAW DAMPER COUPLER, AUTOPILOT ACCE
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