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 HEEA065921Link · wornLINK HAD WORN BEARING.Feb 4, 2000 · N402PH · Bell 407SDR HEEA065911Link · wornBEARINGS WORN.Feb 4, 2000 · N8595X · Bell 407SDR HEEA065910Link · wornBEARINGS WORN.Feb 4, 2000 · N8595X · Bell 407SDR HEEA065901Link · wornLINK HAD WORN BEARINGS. SERIAL NUMBERS REMOVED ARE NHFS-3303 AND NHFS-3299. REPLACED WITH SERIAL NUMBERS NHFS-4662 (DMR NR 65600801) AND NHFS-4672 (DMR NR 65600900).Feb 4, 2000 · N719PH · Bell 407SDR AC2A0000030Link · wornWORN LINKS. REPLACED LINKS. (X)Feb 3, 2000 · N430CH · Bell 430SDR 20000412SH017Housing · damagedFAILED EDDY CURRENT TESTING. CRACK DETECTED AT HOLE PLUG (CYLINDER) ON LOWER END OF SERVO BODY. POSSIBLE CAUSE, DURING MANUFACTURING, HOLE PLUG EITHER TOO LARGE OR HOLE PLUG INSTALLED INCORRECTLY. (X)Feb 2, 2000 · N911LR · Snias AS350B2SDR 20000605SH007Rod · wornPITCH CONTROL ROD WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jan 22, 2000 · N104LN · Snias AS350B3SDR HEEA065998Link · wornLINK HAD BEARINGS WORN.Jan 17, 2000 · N720PH · Bell 407SDR HEEA065997Link · wornLINK HAD BEARINGS WORN.Jan 17, 2000 · N447PH · Bell 407SDR HEEA065977Rod · wornROD, PITCH CONTROL HAD WORN BEARINGS. SERIAL NUMBERS REMOVED ARE S3672 AND S3739. REPLACED WITH SERIAL NUMBERS S3796 AND S3811.Jan 10, 2000 · N60951 · Snias AS350B2SDR HEEA065971Link · wornLINK HAD WORN BEARINGS. SERIAL NUMBERS REMOVED ARE NHFS-2385 AND NHFS-2833. REPLACED WITH SERIAL NUMBERS NHFSA-4778 AND NHFSA-4380.Jan 10, 2000 · N467PH · Bell 407SDR HEEA065631Link · wornLINK HAD WORN BEARINGS. SERIAL NUMBERS REMOVED ARE NHFS-3233 AND NHFS-3283. REPLACED WITH SERIAL NUMBERS NHFS-4667.Jan 7, 2000 · N722PH · Bell 407SDR HEEA065595Link · wornLINK HAD WORN BEARING.Jan 5, 2000 · N723PH · Bell 407SDR HEEA065594Link · wornLINK HAD WORN BEARING.Jan 5, 2000 · N723PH · Bell 407SDR HEEA065590Link Assembly · wornLINK ASSY BEARING WORN.Jan 5, 2000 · N8595X · Bell 407SDR HEEA065588Link · wornLINK WORN. SERIAL NUMBERS REMOVED ARE NHFS-4444 AND NHFS-4552. REPLACED WITH SERIAL NUMBERS NHFS-4333 AND NHFS-4373. DMR NR 65595700 AND 65595701.Jan 5, 2000 · N437PH · Bell 407SDR 20000406SH027Actuator · failedACTUATOR FAILS TEST AND HUNTS (RUNAWAY TEST). REMOVED AND REPLACED. (X)Dec 23, 1999 · N117MH · Bolkms BK117A3SDR 20000406SH018Bearing · wornBEARINGS WORN. REF: RAM R023415. REMOVED AND REPLACED. (X)Dec 23, 1999 · N317MC · Bolkms BK117C1SDR 2000ZZZX491Servo · leakingSERVO LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 21, 1999 · N851HW · Snias AS350B2SDR HEED065763Link · wornWORN BEARINGS. REPLACED UNIT.Dec 17, 1999 · N236X · Bell 230SDR HEEA065460Rod · wornROD, PITCH CONTROL WORN.Dec 17, 1999 · N6095S · Snias AS350B2SDR HEEA065380Rod · wornROD, PITCH CONTROL HAD WORN BEARING. SERIAL NUMBERS REMOVED ARE S3388 AND S3424. REPLACED WITH SERIAL NUMBERS S3634 AND S4043.Dec 9, 1999 · N60951 · Snias AS350B2SDR HEEA065260Universal · wornUNIVERSAL BEARING HAD AXIAL PLAY.Nov 19, 1999 · N409PH · Bell 407SDR 2000ZZZX5Actuator · failedREMOVAL OF FAILED ACTUATOR. THIS IS THE THIRD ACTUATOR THAT HAS FAILED.Nov 19, 1999 · N3310 · Bell 206L4SDR HEED065015Link · wornTAIL ROTOR LINK HAD WORN BEARINGS. REPLACED PART.Nov 8, 1999 · N236X · Bell 230SDR HEED064615Link · damagedTAIL ROTOR LINK BEARINGS WORN. REPLACED PART.Nov 8, 1999 · N236X · Bell 230SDR HEEA064951Bearing · wornSLIDER AND BEARINGS WORN.Nov 4, 1999 · N4000L · Snias AS350B2SDR HEEA064945Rod · wornROD, PITCH CONTROL BEARING WORN.Nov 2, 1999 · N6097Z · Snias AS350B2SDR HEEA064943Rod · wornROD, PITCH CONTROL BEARING WORN BEYOND LIMITS.Nov 2, 1999 · N350BZ · Snias AS350B2SDR HEEA064902Rod · wornROD, PITCH CONTROL HAD WORN BEARING.Oct 26, 1999 · N6097Z · Snias AS350B2SDR HEEA064879Link · wornLINK HAD WORN BEARING. SERIAL NUMBERS REMOVED ARE NHFS-2167 AND NHFS-2104. REPLACED WITH SERIAL NUMBERS NHFS-4522 AND NHFS-4419.Oct 20, 1999 · N417PH · Bell 407SDR HEEA064878Link · wornLINK HAD WORN BEARING. SERIAL NUMBERS REMOVED ARE NHFS-2980 AND NHFS-2547. REPLACED WITH SERIAL NUMBERS NHFS-4509 AND NHFS-4458.Oct 20, 1999 · N404PH · Bell 407SDR HEEA064877Link · wornLINK HAD WORN BEARING.Oct 20, 1999 · N721PH · Bell 407SDR HEEA064876Link · wornLINK HAD WORN BEARING.Oct 20, 1999 · N510PH · Bell 407SDR HEEA064781Rod · wornROD, PITCH CONTROL HAD WORN BEARING. SERIAL NUMBERS REMOVED ARE S3035 AND S2985. REPLACED WITH SERIAL NUMBERS S3670 AND S3826.Oct 15, 1999 · N60951 · Snias AS350B2SDR HEEA064741Tube · corrodedMAIN ROTOR PITCH CHANGE LINK TUBE IS CORRODED AT LOWER END NEXT TO THREADED INSERT. SCRAPPED AND REPLACED WITH SERVICEABLE TUBE ASSY.Oct 12, 1999 · N5014Y · Bell 206L1SDR HEEA064737Bearing · looseBEARING CAME UNSTAKED AFTER ONE TEST FLIGHT. REPLACED WITH SERVICEABLE BELLCRANK.Oct 12, 1999 · N136AE · Bolkms BK117B2SDR HEEA064720Actuator · failedACTUATOR ASSY WILL NOT ENGAGE IN PITCH.Oct 12, 1999 · N6957Y · Bell 214STSDR 99ZZZX4565Bearing · wornON DAILY INSPECTION, FOUND OUTER RACE OF PITCH CHANGE LINK SPHERICAL BEARING WORN THROUGH BY BALL ALLOWING LINK TO CONTACT PITCH HORN CAUSING DAMAGE TO BOTH REQUIRING SCRAPPING.Oct 9, 1999 · N417AL · Bell 407SDR HEEA064696Link · wornWORN BEARINGS.Oct 7, 1999 · N407PH · Bell 407SDR HEEA064695Link · wornWORN BEARINGS. SERIAL NUMBERS REMOVED ARE NHFS-3776 AND NHFS-3336. REPLACED WITH SERIAL NUMBERS NHFS-4535 AND NHFS-4434.Oct 7, 1999 · N405PH · Bell 407SDR HEEA064694Link · wornWORN BEARINGS. SERIAL NUMBERS REMOVED ARE NHFS-3740 AND NHFS-3707. REPLACED WITH SERIAL NUMBERS NHFS-4344 AND NHFS-4290.Oct 7, 1999 · N407MM · Bell 407SDR HEEA064693Link · wornWORN BEARINGS. REPLACED WITH SERIAL NUMBERS NHFS-4302 AND NHFS-4407.Oct 7, 1999 · N409PH · Bell 407SDR HEEA064692Link · wornWORN BEARINGS. SERIAL NUMBERS REMOVED ARE NHFS-3228 AND NHFS-3200. REPLACED WITH SERIAL NUMBERS NHFS-4376 AND NHFS-4423.Oct 7, 1999 · N720PH · Bell 407SDR HEEA064691Link · wornWORN BEARINGS.Oct 7, 1999 · N447PH · Bell 407SDR HEEA064312Link · wornLINK HAD WORN BEARINGS. SERIAL NUMBERS REMOVED ARE NHFS-3151 AND NHFS-3155. DMR NR 686262. REPLACED WITH SERIAL NUMBERS NHFS-4552 AND NHFS-4335.Sep 7, 1999 · N408PH · Bell 407SDR HEEA064311Link · wornLINK HAD WORN BEARINGS. SERIAL NUMBERS REMOVED ARE NHFS-3225 AND NHFS-3288. DMR NR 686263. REPLACED WITH SERIAL NUMBERS NHFS-4384 AND NHFS-4412.Sep 7, 1999 · N723PH · Bell 407SDR HEEA064308Link Assembly · frozenBEARING FROZEN ON LINK ASSY. REFERENCE: DMR NR 686265.Sep 7, 1999 · N723PH · Bell 407SDR HEEA064304Link · wornLINK HAD WORN BEARINGS. REFERENCE: DMR NR 686279. REPLACEMENT PART SERIAL NUMBERS ARE NHFS-4311 AND NHFS-4459.Sep 7, 1999 · N141MA · Bell 407SDR HEEA064303Link · wornLINK HAD WORN BEARINGS. SERIAL NUMBERS REMOVED ARE NHFS-3297 AND NHFS-2170. REFERENCE: DMR NR 686273. REPLACEMENT PART SERIAL NUMBERS ARE NHFS-4516 AND NHFS-4526.Sep 7, 1999 · N437PH · Bell 407
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