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.

SDR HEEA064301Link · wornLINK HAD WORN BEARINGS. REFERENCE: DMR NR 686281.Sep 7, 1999 · N407MM · Bell 407SDR HEEA064296Link · wornWORN BEARING. REFERENCE: DMR NR 686272.Sep 7, 1999 · N447PH · Bell 407SDR HEEA063762Bearing · wornWORN BEARINGS. SERIAL NUMBERS REMOVED ARE 2873 AND 2240. REFERENCE: RMA NR R020608.Aug 25, 1999 · N350BZ · Snias AS350B2SDR HEEA063761Bearing · wornPLAY IN BEARINGS. REFERENCE: RMA NR R020609.Aug 25, 1999 · N4000L · Snias AS350B2SDR HEEA063331Actuator · won't testLIGHT IN SCAS TEST WILL NOT WORK.Aug 12, 1999 · N5748M · Bell 214STSDR HEEA063123Trunnion · wornWORN TRUNNION GEAR.Jul 28, 1999 · N408PH · Bell 407SDR HEEA063115Link Assy · bindingLINK ASSY BEARINGS BINDING.Jul 28, 1999 · N408PH · Bell 407SDR HEEA063110Link · wornLINK HAD WORN BEARINGS.Jul 28, 1999 · N457PH · Bell 407SDR HEEA063109Link · wornLINK HAD WORN BEARINGS.Jul 28, 1999 · N457PH · Bell 407SDR HEEA063105Link Assy · wornLINK ASSY HAD WORN BEARINGS.Jul 28, 1999 · N719PH · Bell 407SDR HEEA062908Actuator · leakingTAIL ROTOR ACTUATOR LEAKS.Jul 12, 1999 · N8765J · Bolkms BK117A4SDR 99ZZZX3088Link · wornMECHANIC FOUND WORN BEARINGS, WHILE C/W DAILY INSPECTION, DUE TO STAKING OF BEARING OR PREMATURE WEAR (ON 2 EACH PC LINKS).Jul 12, 1999 · N517R · Bell 407SDR 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 INVESTJun 30, 1999 · Bell 204BSDR 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.Jun 28, 1999 · Bolkms BO105SSDR HEED064563Link · wornTAIL ROTOR LINKS HAD WORN BEARINGS. ORDERED REPLACEMENT.Jun 25, 1999 · N236X · Bell 230SDR HEEA062425Link · worn bearingLINK BEARINGS WORN.May 21, 1999 · N447PH · Bell 407SDR HEEA062154Rod · wornPITCH ROD HAS WORN BEARINGS.May 5, 1999 · N40466 · Snias AS350B2SDR HEEA062153Rod · wornPITCH ROD HAS PLAY IN BEARINGS.May 5, 1999 · N6097Z · Snias AS350B2SDR HEEA062152Rod · wornPITCH ROD HAS PLAY IN BEARINGS.May 5, 1999 · N6097Z · Snias AS350B2SDR HEEA062151Rod · wornPITCH ROD HAS WORN BEARING.May 5, 1999 · N6100R · Snias AS350B2SDR HEEA062149Rod · wornPITCH ROD HAS WORN BEARINGS.May 5, 1999 · N60951 · Snias AS350B2SDR 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.Apr 29, 1999 · Hughes 369DSDR 99ZZZX2248Link · wornTAIL ROTOR LINK HAS WORN BEARINGS.Apr 29, 1999 · N1097J · Hughes 369DSDR 99ZZZX2892Pitch Link · wornPITCH LINK HAS WORN BEARINGS. REMOVED AND REPLACED.Apr 19, 1999 · N4UV · Bell 230SDR 99ZZZX2891Pitch Link · wornPITCH LINK HAS WORN BEARINGS. REF: MCN 51. REMOVED AND REPLACED.Apr 19, 1999 · N4UV · Bell 230SDR 99ZZZX2612Actuator · malfunctionedACTUATOR BACK-DRIVES WHEN POWER IS APPLIED. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Apr 12, 1999 · N901CF · Doug MD900SDR 99ZZZX2611Actuator · malfunctionedACTUATOR BACK-DRIVES WHEN POWER IS APPLIED. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Apr 12, 1999 · N901CF · Doug MD900SDR 99ZZZX2072Control Cable · brokenAT APPROXIMATELY 12 INCHES FORWARD OF THE TAIL ROTOR, THE LEFT TAIL ROTOR CONTROL CABLE BROKE. NO EVIDENCE OF RUBBING OR CHAFING.Apr 1, 1999 · N635H · Enstrm F28CSDR HEEA061552Link Assembly · wornBEARINGS WORN ON LINK ASSEMBLY.Mar 29, 1999 · N57416 · Bell 407SDR 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.Mar 8, 1999 · Snias AS350DSDR HEEA060974Accumulator · leakingACCUMULATOR WILL NOT HOLD PRESSURE.Mar 3, 1999 · N60951 · Snias AS350B2SDR HEEA060972Rod · looseROD, PITCH CONTROL HAS PLAY IN BEARINGS.Mar 3, 1999 · N4034Q · Snias AS350B2SDR 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.Mar 3, 1999 · Bell 206BSDR HEEA060777Actuator · inoperativeYAW INOPERATIVE WILL NOT ACTUATE.Feb 22, 1999 · N2298Z · Bell 412SDR 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.Feb 18, 1999 · Snias AS350BSDR 99ZZZX2867Lever · bearing wornLEVER BEARINGS WORN. REMOVED AND REPLACED.Feb 12, 1999 · N4UV · Bell 230SDR HEEA060543Link · wornLINK ASSEMBLY BEARINGS WORN.Feb 10, 1999 · N427PH · Bell 407SDR HEEA060506Link · wornLINK HAS WORN BEARINGS.Feb 9, 1999 · N407PH · Bell 407SDR HEEA060505Link · wornLINK HAS WORN BEARINGS.Feb 9, 1999 · N407PH · Bell 407SDR 99ZZZX1349Actuator · failedLINEAR ACTUATOR FAILED AT FULL STROKE WITH HIGH ALTITUDE. TAIL ROTOR PITCH FIXED AT 100 PERCENT. ACTT: 1,228.2 HOURS.Feb 3, 1999 · N3310 · Bell 206L4SDR 99ZZZX2868Actuator · leakingACTUATOR HAD EXCESSIVE LEAKAGE. REMOVED AND REPLACED.Jan 25, 1999 · N317MC · Bolkms BK117C1SDR 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 AJan 21, 1999 · N6957Y · Bell 214STSDR HEEA060088Actuator · inoperativeACTUATOR INOPERATIVE.Jan 21, 1999 · N59805 · Bell 214STSDR HEEA060087Actuator · inoperativeACTUATOR ASSY INOPERATIVE.Jan 21, 1999 · N8045T · Bell 214STSDR CA990927025Control Cable · stuck(CAN) TAIL ROTOR CONTROL CABLE STICKING. CABLE REPLACED.Jan 17, 1999 · Snias AS350BSDR HEEA060037Rod · wornROD, PITCH CONTROL WORN BEARINGS. SERIAL NUMBERS REMOVED ARE 2239 AND UNKNOWN S/N.Jan 15, 1999 · N60951 · Snias AS350B2SDR HEEA060034Rod · wornROD, PITCH CONTROL BEARINGS WORN.Jan 15, 1999 · N6097Z · Snias AS350B2SDR HEEA060033Rod · wornROD, PITCH CONTROL BEARINGS WORN.Jan 15, 1999 · N6100R · Snias AS350B2SDR HEEA059939Link Assy · frozenLINK ASSEMBLY BEARING FROZEN.Dec 29, 1998 · N721PH · Bell 407SDR HEEA059909Actuator · failedACTUATOR KICKS AFCS PITCH OFFLINE.Dec 22, 1998 · N59805 · Bell 214ST
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