JASC 6700

Service difficulty reports · 317

Reports filed under 6700 · Rotorcraft Flight Control, 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 = '6700'
  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.

SDR QR9R2026100500001Actuator · failedA/C FAILED AUTOPILOT TEST; YAW SAS AND BACKUP SAS ACTUATORS. A TEST FLIGHT EVAL FOUND AUTOPILOT FAILS SELFTEST. INDICATES AP1, YAW SAS, ACTUATOR, BACKUP SAS ALTERNATING WITH AP2, YAW SAS, ACTUATOR, BACKUP SAS. ON THE CAD VEMD AFCS SUBSYSTEM FAILURE CODES INDICOct 5, 2026 · Bolkms BK117C2SDR QR9R2026093000001Actuator · failedSAS A/P CUT FAILURE; YAW SAS AND BACKUP SAS ACTUATOR FAILURE DURING START RUNUP. A TEST FLIGHT EVAL FOUND DURING AUTOPILOT TEST YAW SAS AND BACKUP SAS CAUTION LIGHTS ILLUMINATE AND REMAIN ON. WHEN CAUTION IS ACKNOWLEDGED AP TEST PASS IS ILLUMINATED IN GREEN ONSep 30, 2026 · Bolkms BK117C2SDR QR9R2026092500001Actuator · failedIN FLIGHT TRIM ACTUATOR FAIL MESSAGE WITH BACK UP SAS AND YAW TRIM CIRCUIT BREAKER POP. UNABLE TO RESET. DURING RECOVERY FLIGHT, AP WARNING FLASHED WITH GONG AND "Y", "R", & "P" INDICATIONS ON PFD. THE FOLLOWING MESSAGES WERE DISPLAYED ON THE SCROLL PAGE OF VESep 25, 2026 · Bolkms BK117C2SDR QR9R2026092200002Actuator · failedACTUATOR CAUTION LIGHT ILLUMINATED CENTER POSITION ON THE CAD WITH CORRESPONDING AMBER Y ON PFD. TROUBLESHOOTING REVEALED YAW SEMA IS BAD CAUSING ACTUATOR FAIL ON CAD AND AMBER Y ON PFD, HAS CODE YAWEMA INVAL. REMOVED AND REPLACED SEMA ACTUATOR IAW AMM 67-20-0Sep 22, 2026 · Bolkms BK117C2SDR QR9R2026091800001Actuator · failedACTUATOR CAUTION ILLUMINATED AND WAS STILL PRESENT AFTER SHUTTING DOWN THE ACFT AND RE-STARTING. DURING TEST FLIGHT EVAL, ACTUATOR CAUTION APPEARED WITH CORRESPONDING PITCH SEMA 2 CODE ON VMED LANE 2. REMOVED AND REPLACED SEMA ACTUATOR IAW AMM 67-10-00, 4-8.Sep 18, 2026 · Bolkms BK117C2SDR 2026F00200Amplifier · failedAS THE COPILOT BROUGHT THE AIRCRAFT TO HOVER, A LATERAL OSCILLATION BEGAN TO DEVELOP. WHILE THE COPILOT STILL HAD CONTROL OF THE AIRCRAFT, I VERIFIED THAT ALL THE APPROPRIATE SYSTEMS WERE STILL ENGAGED. AS THE OSCILLATIONS BEGAN TO INTENSIFY AND WERE BECOMING Sep 2, 2026 · N815SS · Bell 212SDR QR9R2026090100001Actuator · failedAP1/TRIM FAIL DURING AUTOPILOT TEST, WITH "P" INDICATOR. REMOVED AND REPLACED DUPLEX TRIM ACTUATOR IAW AMM 67-14-00, 4-1. MTF SUCCESSFULLY COMPLETED IAW RFM AND AMM 05-60-00, 6-12.Sep 1, 2026 · Bolkms BK117C2SDR QR9R2026032400001Actuator · failedAUTOPILOT TEST WOULD NOT PASS, KEPT GETTING TRIM LIGHT FOR BOTH AP1 & AP2. REMOVED AND REPLACED YAW TRIM ACTUATOR IAW AMM 67-14-00, 4-1. T/P MOC SUCCESSFULLY COMPLETED.Mar 24, 2026 · Bolkms BK117C2SDR QR9R2026030400001Actuator · failedDURING AP TESTS, AP1 & TRIM WITH AMBER Y ON PFD WAS ILLUMINATED. REMOVED AND REPLACED YAW TRIM ACTUATOR IAW AMM 67-14-00, 4-1. MOC SUCCESSFULLY COMPLETED.Mar 4, 2026 · Bolkms BK117C2SDR QR9R2026030200001Actuator · failedDURING RUN-UP, AP TEST FAILED MULTIPLE ATTEMPTS. Y AP1 AND TRIM LIGHTS ILLUMINATED. REMOVED AND REPLACED YAW TRIM ACTUATOR IAW AMM 67-14-00, 4-1; AP TEST PASSED, YAW TRIM WORKED NORMALLY DURING HOVER AND FLIGHT.Mar 2, 2026 · Bolkms BK117C2SDR QR9R2025103000002Actuator · warning lightYAW ACTUATOR CAUTION LIGHT ILLUMINATED AT TAKEOFF AND WOULD NOT EXTINGUISH. A TEST FLIGHT EVAL FOUND DURING TAKEOFF TO A HOVER; YAW FAILURE INDICATION DISPLAYED IN PFD WITH ACTUATOR CAUTION APPEARING IN CAD. RESET SYSTEM AND SAME FAILURE OCCURED ON FOLLOWING TOct 30, 2025 · Bolkms BK117C2SDR QR9R2025102400002Actuator · failedTRIM ACTUATOR FAILURE AT TAKEOFF. REMOVED AND REPLACED YAW TRIM ACTUATOR IAW AMM 67-14-00, 4-1; MOC OK.Oct 24, 2025 · Bolkms BK117C2SDR QR9R2025102400001Control Rod · not enteredTHE CONTROL ROD ASSEMBLY (LIMITED LIFE COMPONENT) WAS RECEIVED FROM AIRBUS AS OVERHAULED AND TIME SINCE NEW NOT AVAILABLE.Oct 24, 2025 · Bolkms BK117C2SDR QR9R2025101000001Control Rod · not reportedCONTROL ROD ASSEMBLY (LIFE LIMITED COMPONENT) WAS RECEIVED FROM SUPPLY WITH COMPONENT TIME SINCE NEW UNKNOWN.Oct 10, 2025 · Bolkms BK117C2SDR QR9R2025100900005Actuator · faultedACTUATOR CAUTION APPEARED IN FLIGHT, ACCOMPANIED BY "Y" ON THE PFD. REMOVED AND REPLACED SEMA ACTUATOR; T/P MOC SUCCESSFULLY COMPLETED.Oct 9, 2025 · Bolkms BK117C2SDR QR9R2025100900001Actuator · warning lightACTUATOR LIGHT ON CAD, P ON PFD DURING HOVER TAXI. SUBBED IN KNOWN GOOD #2 PITCH SEMA AND FAULT WAS CORRECTED. REPLACED SEMA ACTUATOR, T/F MOC COMPLETED SUCCESSFULLY IAW AMM 05-60-00, 6-12.Oct 9, 2025 · Bolkms BK117C2SDR QR9R2025092400003Actuator · failedYAW ACTUATOR CAUTION LIGHT ON INFLIGHT. TEST FLIGHT EVAL FOUND ACTUATOR FAILED IN THE YAW AXIS DURING AP TEST. REMOVED AND REPLACED SEMA ACTUATOR IAW AMM 67-20-00, 4-14.Sep 24, 2025 · Bolkms BK117C2SDR QR9R2025082100001Actuator · failedABORTED TAKEOFF DUE TO TAIL ROTOR PEDALS HAVE EXCESSIVE FREEPLAY AT IDLE AND WITH ENGINES NOT RUNNING. TROUBLESHOOTING REVEALED YAW TRIM ACTUATOR WAS GRINDING. REMOVED AND REPLACED YAW TRIM ACTUATOR IAW AMM 67-14-00, 4-1. TEST FLIGHT SUCCESSFULLY COMPLETED IAWAug 21, 2025 · Bolkms BK117C2SDR QR9R2025081400001Actuator · failedACTUATOR WARNING ILLUMINATED IN FLIGHT. YAW TRIM FAILED IN FLIGHT. REMOVED AND REPLACED SEMA ACTUATOR IAW AMM 67-20-00, 4-14; TEST FLIGHT EVAL SUCCESSFULLY COMPLETED. NO FAULTS NOTED.Aug 14, 2025 · Bolkms BK117C2SDR QR9R2025073100001Actuator · no testAP1/YAW TRIM FAILED ON AP TEST DURING START RUN-UP. A TEST FLIGHT EVAL REVEALED AP1 AND TRIM APPEAR ON CAD, "Y" APPEARS ON PFDS, AND "YAWTRI PFTINH" APPEARS ON VEMD SYSTEM STATUS PAGE AFTER AUTO PILOT TEST FAILS. REMOVED AND REPLACED YAW TRIM ACTUATOR; TEST FLJul 31, 2025 · Bolkms BK117C2SDR QR9R2025052900001Actuator · failedAUTOPILOT TEST FAILED. PERFORMED MULTIPLE TEST WITH SAME RESULT. AP2 AND TRIM CAUTION WOULD REMAIN ILLUMINATED AFTER TEST. IT APPEARED THAT DURING CONTROL MOVEMENT DURING THE AP2 PORTION OF TEST, THE PEDAL WOULD MOVE BUT NOT RETURN TO NEUTRAL. REMOVED AND REPLMay 29, 2025 · Bolkms BK117C2SDR QR9R2025051300001Bellcrank · ratchetingAN OPERATIONAL CHECK REVEALED THE BELLCRANK BEARING HAD EXCESSIVE RATCHETING. PART WAS RECEIVED NEW FROM SUPPLY.May 13, 2025 · Bolkms BK117C2SDR QR9R2025040300001Actuator · failedY TRIM FAILED IN HOVER. UNABLE TO GET IT TO STAY OFF IN LEVEL 4 AFTER TWO AIRBUS RESETS. REMOVED AND REPLACED YAW TRIM MOTOR IAW AMM 67-14-00, 4-1. MOC SUCCESSFULLY COMPLETED.Apr 3, 2025 · Bolkms BK117C2SDR QR9R2025031700006Actuator · failedDURING AP TEST, YAW AND SAS BACKUP WOULD NOT EXTINGUISH. DURING TROUBLESHOOTING, FOUND A VALID SIGNAL IN ON THE YAW SEMA BUT NO VALID SIGNAL OUT. REMOVED AND REPLACED SEMA ACTUATOR IAW AMM 67-20-00, 4-14.Mar 17, 2025 · Bolkms BK117C2SDR QR9R2025031700005Actuator · failedDIRECTIONAL CONTROL ACTUATOR FAILED IN FLIGHT WHILE CONDUCTING A VMC APPROACH. CREW RETURNED TO AIRFIELD AND CONDUCTED AN AIRBUS RESET IN AN ATTEMPT TO CLEAR FAILURE WITHOUT SUCCESS. REMOVED AND REPLACED SEMA ACTUATOR IAW AMM 67-20-00, 4-14.Mar 17, 2025 · Bolkms BK117C2SDR QR9R2025031700001Actuator · failed#1 YAW ACTUATOR FAILED DURING THE AUTO PILOT TEST. AVIONICS DID AIRBUS RESET BUT CONTINUED TO FAIL. DURING TROUBLESHOOTING FOUND THE YAW SEMA HAD A VALID SIGNAL IN BUT NO VALID SIGNAL OUT. REMOVED AND REPLACED THE YAW SEMA IAW AMM 67-20-00, 4-14.Mar 17, 2025 · Bolkms BK117C2SDR QR9R2025021900001Actuator · bindingAFTER STARTING THE NO.2 ENGINE SEVERAL SECONDS AFTER THE STARTER DROPPED OUT, FELT A METALLIC CLUNK IN THE PEDALS. THERE WERE NO INDICATIONS OF ANY MALFUNCTIONS IN THE INSTRUMENTS. WITH THE ENGINE AT IDLE THE IP PUSHED THE PEDALS BACK AND FORTH SLIGHTLY WITH NFeb 19, 2025 · Bolkms BK117C2SDR QR9R202411010001Actuator · faultedTRIM CAUTION MESSAGE DISPLAYS WITH MODERATE POWER CHANGES. OCCASIONALLY THE TRIM CAUTION MESSAGE WILL DISPLAY CONTINUOUSLY REGARDLESS OF POWER CHANGES AND THEN WILL NOT DISPLAY THE REST OF THE FLIGHT. REMOVED AND REPLACED PITCH TRIM ACTUATOR IAW AMM 67-14-00, Nov 1, 2024 · Bolkms BK117C2SDR QR9R2024100800003Actuator · no testAP1 ACTUATOR CAUTION APPEARED AFTER AP TEST. AVIONICS COULD NOT RESET AFTER 3 ATTEMPTS. ROLL SEMA POSITION 2 FAILED CHECK. REMOVED AND REPLACED SEMA ACTUATOR IAW AMM 67-10-00, 4-8. T/F COMPLETED IAW MSM 05-60-00, 6-1.Oct 8, 2024 · Bolkms BK117C2SDR QR9R2024100200001Actuator · warning messageDURING RUN-UP, AP TEST FAILED AND WAS RESET BY AVIONICS. AFTER RESET, ACTUATOR CAUTION LIGHT ILLUMINATED DURING TAXI FOR TAKEOFF. REMOVED AND REPLACED SEMA ACTUATOR IAW AMM 67-20-00, 4-8. TEST FLIGHT CONDUCTED IAW RFM, NO FAULTS NOTED.Oct 2, 2024 · Bolkms BK117C2SDR QMLA2024091620115Pedal · crackedDURING THE 1000HR AIRFRAME INSPECTION, A CRACK WAS FOUND ON THE PILOT LH TAIL ROTOR PEDAL ON THE UPPER PART OF THE INBOARD FORK.Sep 16, 2024 · N953AL · Urocop EC135T2SDR 2024FA0000706Drive Shaft · crackedDURING GROUND RUN A HIGH FREQUENCY VIBRATION WAS NOTICED BY THE PILOT AND THE AIRCRAFT WAS SHUTDOWN. DURING SHUTDOWN A MECHANIC NOTICED THE ANGLE GEARBOX (AGB) DRIVESHAFT APPEARED "BLURRY". UPON FURTHER INVESTIGATION IT WAS DISCOVERED THAT THE ANGLE GEARBOX Sep 6, 2024 · N4247V · Skrsky S58JTSDR QR9R2024090400002Actuator · failedACTUATOR FAILED IN FLIGHT. REMOVED AND REPLACED SEMA ACTUATOR IAW AMM 67-20-00, 4-8; T/F SUCCESSFULLY COMPLETED.Sep 4, 2024 · Bolkms BK117C2SDR QR9R2024082800002Actuator · warning messageACTUATOR CAUTION ILLUMINATED ON CAD IN FLIGHT WITH AMBER "Y" ON PFD. REMOVED AND REPLACED SEMA ACTUATOR IAW AMM 67-20-00, 4-14. MOC C/W REF 05-60-00, 6-12.Aug 28, 2024 · Bolkms BK117C2SDR M3XA20240816012Tube · unserviceableDURING THE FIRST 800 HOUR INSPECTION IT WAS DISCOVERED THAT THE XMSN SPACER TUBE HAD NUMEROUS CRACKS AND IS DEFINITELY UNSERVICEABLE. UNSURE IF IT HAPPENED DURING PRODUCTION OR WAS POOR MANUFACTURING.Aug 16, 2024 · N945MT · Bolkms BK117C2SDR QR9R2024081500001Actuator · illuminatedDURING FLIGHT, ACTUATOR LIGHT ILLUMINATED ON CAD. TESTFLIGHT EVAL REVEALED ACTUATOR CAUTION ILLUMINATED ON CAD IN FLIGHT WITH AMBER "Y" ON PFD. REMOVED AND REPLACED SEMA ACTUATOR IAW AMM 67-20-00, 4-14. MOC SUCCESSFULLY COMPLETED.Aug 15, 2024 · Bolkms BK117C2SDR QR9R2024080900001Actuator · failedABORTED TAKE-OFF DUE TO SAS BACKUP LIGHT WOULD NOT EXTINGUISH. DURING TROUBLESHOOTING, FOUNDP1 SEMA TO BE BAD. REMOVED AND REPLACED SEMA ACTUATOR IAW AMM 67-10-00, 4-8. TEST FLIGHT SUCCESSFULLY COMPLETED IAW 05-60-00, 6-12.Aug 9, 2024 · Bolkms BK117C2SDR QR9R2024080800002Actuator · failedACTUATOR FAILURE DURING LANDING. A TEST FLIGHT EVAL REVEALED "Y" DISPLAYED ON PFDS AND "YAWEMA INVAL" DISPLAYED ON VEMD SYSTEM STATUS PAGE. REMOVED AND REPLACED SEMA ACTUATOR IAW 67-20-00, 4-14.Aug 8, 2024 · Bolkms BK117C2SDR QR9R2024080700002Actuator · failedACTUATOR CAUTION IN FLIGHT. AVIONICS RESET, AND ATTEMPTED FLIGHT AGAIN. ACTUATOR CAUTION ILLUMINATED AGAIN IN FLIGHT. TEST FLIGHT EVAL DETECTED AFTER 7 MIN FLIGHT AT 1500FT MSL AT 90KTS, YAW ACTUATOR FAILED WITH YAW ACTUATOR INVALID ON THE MAINT PAGE AND BOXEDAug 7, 2024 · Bolkms BK117C2SDR QR9R2024070800001Bellcrank · ratchetingBELLCRANK ASSEMBLY WAS RECEIVED NEW FROM SUPPLY. MAINTENANCE DETECTED BELLCRANK ASSY BEARING WAS RATCHETING AND BINDING EXCESSIVELY.Jul 8, 2024 · Bolkms BK117C2SDR 2024FA0000478Link · corrodedDURING RIG OF FLIGHT CONTROLS NOTED OBSTRUCTION IN ROD-END THREAD. PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION FOUND IN OTHER FLIGHT CONTROLS ON SAME AIRCRAFT THAT REQUIRED INSPECTION THROUGH BOEING SB'S 145-67-1Jun 25, 2024 · N43CU · Boeing CH47ASDR 2024FA0000477Link · corrodedDURING RIG OF FLIGHT CONTROLS NOTED OBSTRUCTION IN ROD-END THREAD. PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION FOUND IN OTHER FLIGHT CONTROLS ON SAME AIRCRAFT THAT REQUIRED INSPECTION THROUGH BOEING SB'S 145-67-1Jun 25, 2024 · N43CU · Boeing CH47ASDR 2024FA0000476Link · corrodedDURING RIG OF FLIGHT CONTROLS NOTED OBSTRUCTION IN ROD-END THREAD. PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION FOUND IN OTHER FLIGHT CONTROLS ON SAME AIRCRAFT THAT REQUIRED INSPECTION THROUGH BOEING SB'S 145-67-1Jun 25, 2024 · N43CU · Boeing CH47ASDR 2024FA0000475Link · corrodedDURING RIG OF FLIGHT CONTROLS NOTED OBSTRUCTION IN ROD-END THREAD. PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION FOUND IN OTHER FLIGHT CONTROLS ON SAME AIRCRAFT THAT REQUIRED INSPECTION THROUGH BOEING SB'S 145-67-1Jun 25, 2024 · N43CU · Boeing CH47ASDR 2024FA0000473Link · corrodedDURING RIG OF FLIGHT CONTROLS NOTED OBSTRUCTION IN ROD-END THREAD. PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION FOUND IN OTHER FLIGHT CONTROLS ON SAME AIRCRAFT THAT REQUIRED INSPECTION THROUGH BOEING SB'S 145-67-1Jun 25, 2024 · N43CU · Boeing CH47ASDR 2024FA0000472Link · corrodedDURING RIG OF FLIGHT CONTROLS NOTED OBSTRUCTION IN ROD-END THREAD. PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION FOUND IN OTHER FLIGHT CONTROLS ON SAME AIRCRAFT THAT REQUIRED INSPECTION THROUGH BOEING SB'S 145-67-1Jun 25, 2024 · N43CU · Boeing CH47ASDR 2024FA0000471Link · corrodedDUE TO CORROSION ON ASSOCIATED LINK, PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION FOUND IN OTHER FLIGHT CONTROLS ON SAME AIRCRAFT THAT REQUIRED INSPECTION THROUGH BOEING SB'S 145-67-1046 R2 AND 145-67-1047, AS WELJun 25, 2024 · N43CU · Boeing CH47ASDR 2024FA0000468Link · corrodedDUE TO CORROSION ON ASSOCIATED LINK, PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION FOUND IN OTHER FLIGHT CONTROLS ON SAME AIRCRAFT THAT REQUIRED INSPECTION THROUGH BOEING SB'S 145-67-1046 R2 AND 145-67-1047, AS WELJun 25, 2024 · N43CU · Boeing CH47ASDR 2024FA0000467Link · corrodedDUE TO CORROSION FOUND ON ASSOCIATED LINK, PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION FOUND IN OTHER FLIGHT CONTROLS ON SAME AIRCRAFT THAT REQUIRED INSPECTION THROUGH BOEING SB'S 145-67-1046 R2 AND 145-67-1047, Jun 25, 2024 · N43CU · Boeing CH47ASDR 2024FA0000466Link · corrodedDURING RIG OF FLIGHT CONTROLS NOTED OBSTRUCTION IN ROD-END THREAD. PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION FOUND IN OTHER FLIGHT CONTROLS ON SAME AIRCRAFT THAT REQUIRED INSPECTION THROUGH BOEING SB'S 145-67-1Jun 25, 2024 · N43CU · Boeing CH47A
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