JASC 6720
Service difficulty reports · 852
Reports filed under 6720 · Tail Rotor 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 = '6720' 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 = '6720' 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 HEEA064301Link · wornLINK HAD WORN BEARINGS. REFERENCE: DMR NR 686281.SDR HEEA064296Link · wornWORN BEARING. REFERENCE: DMR NR 686272.SDR HEEA063762Bearing · wornWORN BEARINGS. SERIAL NUMBERS REMOVED ARE 2873 AND 2240. REFERENCE: RMA NR R020608.SDR HEEA063761Bearing · wornPLAY IN BEARINGS. REFERENCE: RMA NR R020609.SDR HEEA063331Actuator · won't testLIGHT IN SCAS TEST WILL NOT WORK.SDR HEEA063123Trunnion · wornWORN TRUNNION GEAR.SDR HEEA063115Link Assy · bindingLINK ASSY BEARINGS BINDING.SDR HEEA063110Link · wornLINK HAD WORN BEARINGS.SDR HEEA063109Link · wornLINK HAD WORN BEARINGS.SDR HEEA063105Link Assy · wornLINK ASSY HAD WORN BEARINGS.SDR HEEA062908Actuator · leakingTAIL ROTOR ACTUATOR LEAKS.SDR 99ZZZX3088Link · wornMECHANIC FOUND WORN BEARINGS, WHILE C/W DAILY INSPECTION, DUE TO STAKING OF BEARING OR PREMATURE WEAR (ON 2 EACH PC LINKS).SDR CA990719005Housing · worn(CAN) PILOT NOTICED BALL WAS OUT OF TURN/SLIP INDICATOR SO THEN PILOT INPUTTED THE RIGHT PEDAL TO CORRECT. HOWEVER, THE ROTORCRAFT DID NOT RESPOND TO RIGHT PEDAL INPUT, BUT DID RESPOND TO LEFT PEDAL INPUT. PILOT THEN LANDED THE ROTORCRAFT. SUBSEQUENT INVESTSDR CA991027063Pedal · stiff(CAN) PILOT NOTED THAT TAIL ROTOR PEDALS WERE STIFF ON PRE-FLIGHT CHECK. TAIL ROTOR PITCH CHANGE SYSTEM CHECKED AND CLEANED. AIRCRAFT RETURNED TO SERVICE.SDR HEED064563Link · wornTAIL ROTOR LINKS HAD WORN BEARINGS. ORDERED REPLACEMENT.SDR HEEA062425Link · worn bearingLINK BEARINGS WORN.SDR HEEA062154Rod · wornPITCH ROD HAS WORN BEARINGS.SDR HEEA062153Rod · wornPITCH ROD HAS PLAY IN BEARINGS.SDR HEEA062152Rod · wornPITCH ROD HAS PLAY IN BEARINGS.SDR HEEA062151Rod · wornPITCH ROD HAS WORN BEARING.SDR HEEA062149Rod · wornPITCH ROD HAS WORN BEARINGS.SDR CA990531001Torque Tube · cracked(CAN) T/R PEDAL ASSY REMOVED FOR 0/H. UPON DISASSEMBLY INSPECTION, A CRACK WAS FOUND IN THE TORQUE TUBE. THE CRACK PROPAGATED FROM BOTH SIDES OF THE CENTER HOLE WHERE THE CONTROL ROD BELLCRANK ATTACHES.SDR 99ZZZX2248Link · wornTAIL ROTOR LINK HAS WORN BEARINGS.SDR 99ZZZX2892Pitch Link · wornPITCH LINK HAS WORN BEARINGS. REMOVED AND REPLACED.SDR 99ZZZX2891Pitch Link · wornPITCH LINK HAS WORN BEARINGS. REF: MCN 51. REMOVED AND REPLACED.SDR 99ZZZX2612Actuator · malfunctionedACTUATOR BACK-DRIVES WHEN POWER IS APPLIED. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 99ZZZX2611Actuator · malfunctionedACTUATOR BACK-DRIVES WHEN POWER IS APPLIED. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 99ZZZX2072Control Cable · brokenAT APPROXIMATELY 12 INCHES FORWARD OF THE TAIL ROTOR, THE LEFT TAIL ROTOR CONTROL CABLE BROKE. NO EVIDENCE OF RUBBING OR CHAFING.SDR HEEA061552Link Assembly · wornBEARINGS WORN ON LINK ASSEMBLY.SDR CA990318015Bearing · brinnelled(CAN) WHEN CARRYING OUT SB 05.00.29, SECTION 2(B), CHECK FOR BRINNELLING/BINDING WHEN ROTATING, A SLIGHT, BUT NOTICEABLE BRINNELLING WAS FELT.SDR HEEA060974Accumulator · leakingACCUMULATOR WILL NOT HOLD PRESSURE.SDR HEEA060972Rod · looseROD, PITCH CONTROL HAS PLAY IN BEARINGS.SDR CA991007029Pitch Tube · chafed(CAN) DURING INSPECTION OF FLIGHT CONTROLS, A RUBBING NOISE WAS HEARD. INVESTIGATION FOUND THAT THE PITCH TUBE WAS WORN BY THE CASEY HEATER HOSE. (2.015 INCH GROOVES APPROX 3 INCHES LONG). THE TUBE WAS REPLACED AND POSTIONED CORRECTLY.SDR HEEA060777Actuator · inoperativeYAW INOPERATIVE WILL NOT ACTUATE.SDR CA990715007Servo Valve · damaged(CAN) ON DISASSEMBLY, HYDRAULIC SERVO VALVE ASSEMBLY SPRING P/N ACO43242 WAS FOUND BONDED TO INPUT LEVER. IAW DUNLOP MANUAL, GS-40-03, THE SPRING SHOULD NOT BE BONDED.SDR 99ZZZX2867Lever · bearing wornLEVER BEARINGS WORN. REMOVED AND REPLACED.SDR HEEA060543Link · wornLINK ASSEMBLY BEARINGS WORN.SDR HEEA060506Link · wornLINK HAS WORN BEARINGS.SDR HEEA060505Link · wornLINK HAS WORN BEARINGS.SDR 99ZZZX1349Actuator · failedLINEAR ACTUATOR FAILED AT FULL STROKE WITH HIGH ALTITUDE. TAIL ROTOR PITCH FIXED AT 100 PERCENT. ACTT: 1,228.2 HOURS.SDR 99ZZZX2868Actuator · leakingACTUATOR HAD EXCESSIVE LEAKAGE. REMOVED AND REPLACED.SDR HEEA060091Pitch Horn · damagedPITCH HORN REMOVED DUE TO EXCESSIVE PLAY IN SHAFT AREA. WHEN REMOVING HOUSING, NOTICED MOISTURE HAD BUILT UP INSIDE. INSP OF HOUSING REVEALED WORN GEAR, P/N 214-010-210-103, HAD TWO TEETH BROKEN OFF SHAFT. SUBMITTER STATED FURTHER TEARDOWN INDICATED SHAFT ASDR HEEA060088Actuator · inoperativeACTUATOR INOPERATIVE.SDR HEEA060087Actuator · inoperativeACTUATOR ASSY INOPERATIVE.SDR CA990927025Control Cable · stuck(CAN) TAIL ROTOR CONTROL CABLE STICKING. CABLE REPLACED.SDR HEEA060037Rod · wornROD, PITCH CONTROL WORN BEARINGS. SERIAL NUMBERS REMOVED ARE 2239 AND UNKNOWN S/N.SDR HEEA060034Rod · wornROD, PITCH CONTROL BEARINGS WORN.SDR HEEA060033Rod · wornROD, PITCH CONTROL BEARINGS WORN.SDR HEEA059939Link Assy · frozenLINK ASSEMBLY BEARING FROZEN.SDR HEEA059909Actuator · failedACTUATOR KICKS AFCS PITCH OFFLINE.
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