# Service difficulty reports: JASC 6410

A list on [JASC 6410](https://openairdocs.org/jasc/6410.md).

Reports filed under 6410 · Tail Rotor Blades, newest first.

Page 1 of 23 · 1,148 reports

- [SDR NXTA2026072700603](https://openairdocs.org/sdr/NXTA2026072700603.md): Blade · cracked · Jul 27, 2026 · N428CF · Bell 429
  > DURING DAILY INSPECTION MECHANIC FOUND A CRACK IN TAIL ROTOR BLADE ABRASION STRIP.
- [SDR QMLA2025100720100](https://openairdocs.org/sdr/QMLA2025100720100.md): Blade · cracked · Oct 6, 2025 · N693AM · Bell 407
  > CRACKED TAIL ROTOR BLADE, REPLACED TR HUB AND BLADE ASSY.
- [SDR DCGA202509100629](https://openairdocs.org/sdr/DCGA202509100629.md): Blade · dented · Sep 8, 2025 · N808JH · Hughes 369E
  > DURING A POST FLIGHT MAINTENANCE INSPECTION A SMALL DENT WAS DISCOVERED ON THE OUTBOARD FACE OF ONE OF THE AIRCRAFT TAIL ROTOR BLADES. PILOT REPORTED THERE WAS NO INDICATIONS OR NOISE OF ANYTHING STRIKING THE BLADE. THE BLADE DENT WAS FOUND TO BE WITHIN SERVIC
- [SDR MHNA20250723](https://openairdocs.org/sdr/MHNA20250723.md): Dampener · broken · Jul 23, 2025 · N552AC · Urocop EC225LP
  > DURING A ROTOR TRACK AND BALANCE FLIGHT, THERE WAS AN ISSUE. AFTER COMPLETION OF THE FINAL MCP TRACKING STAGE, A MODERATE TO SEVERE VIBRATION WAS FELT THROUGHOUT THE AIRFRAME. THE DECISION WAS MADE TO RETURN IMMEDIATELY TO THE SHIP'S DECK, AT WHICH POINT THE
- [SDR 2025F00120](https://openairdocs.org/sdr/2025F00120.md): Blade · cracked · May 8, 2025 · N416CF · Bell 407
  > DURING A 300 HOUR / 12 MONTH, TAIL ROTOR BLADE SERIAL NUMBER BH349016 WAS TO HAVE SERVAL CRACKS IN THE BLADE TIP.
- [SDR 2025F00119](https://openairdocs.org/sdr/2025F00119.md): Blade · cracked · May 8, 2025 · N416CF · Bell 407
  > DURING A 300 HOUR / 12 MONTH, TAIL ROTOR BLADE SERIAL NUMBER BH349016 WAS TO HAVE SERVAL CRACKS IN THE BLADE TIP.
- [SDR 2025FA0000123](https://openairdocs.org/sdr/2025FA0000123.md): Bearing · deteriorated · Feb 20, 2025 · N804CP · Snias AS350B3
  > DURING INSPECTION, FOUND T/R LAMINATED HALF SHELL BEARINGS DETERIORATED BEYOND ACCEPTABLE LIMITATIONS.
- [SDR GVNA202305180144](https://openairdocs.org/sdr/GVNA202305180144.md): Cowling · torn · May 17, 2023 · N457MH · Bolkms BK117C2
  > AFTER LANDING, INITIAL VISUAL INSP REVEALED VERTICAL FIN COWLING DAMAGE, VIA TAIL ROTOR STRIKE. SUSPECT VERTICAL FIN COWLING ONLY PARTIALLY SECURED PRIOR TO FLIGHT. DURING FWD FLIGHT, COWLING SEPARATED(NOT A COMPLETE IN-FLIGHT SEPARATION) FROM L/H SIDE, ALLOWI
- [SDR 2022FA0000402](https://openairdocs.org/sdr/2022FA0000402.md): Blade · inflt separation · Jul 28, 2022 · N8806S
  > THE TAIL ROTOR AND TAIL ROTOR PULLEY DRIVE SYSTEM HAD BEEN REMOVED. THERE APPEARED TO BE NO DAMAGE TO THE FUSELAGE STRUCTURE OR LANDING GEAR (SKIDS). A SUCCESSFUL AUTOROTATION WAS ACCOMPLISHED AS NOTED BY THE PILOT. THE PILOT DESCRIBED THE FLIGHT AS EXPERIE
- [SDR 2022FA0000159](https://openairdocs.org/sdr/2022FA0000159.md): None · cracked · Mar 20, 2022 · N405AM · Airbus A300*
  > VIBRATION ON TAIL ROTOR
- [SDR EVCA04212021](https://openairdocs.org/sdr/EVCA04212021.md): Blade · cracked · Apr 21, 2021 · N512MT · Bell 407
  > GREEN T/R BLADE HAS CRACK AT WEEP HOLE
- [SDR EVCA20200901830](https://openairdocs.org/sdr/EVCA20200901830.md): Blade · cracked · Aug 30, 2020 · N12AE · Bell 206L1
  > TAIL ROTOR BLADE TIP HAS CRACK THAT RUNS BETWEEN GAPS OF ALL TIP WEIGHTS.
- [SDR 2020FA0000327](https://openairdocs.org/sdr/2020FA0000327.md): Blade · defective · Jul 8, 2020 · N755AM · Snias AS350B3
  > TAIL ROTOR BLADE PN 355A12005014, SN 24326 WAS RECEIVED NEW AND INSTALLED ON AC. THE BLADE FAILED TO TRACK & BALANCE AND WAS DETERMINED TO BE THE CAUSE AND WAS REMOVED AND SENT IN FOR REPAIR AFTER ACCUMULATING.2HRS TIS DURING TRACK & BALANCE OPERATION. THE
- [SDR EVCA2019090400000](https://openairdocs.org/sdr/EVCA2019090400000.md): Balance Weight · missing · Sep 4, 2019 · N229AE · Bell 206L1
  > DURING FLIGHT, THE PILOT NOTED A SUDDEN VIBRATION IN THE ANTI-TORQUE CONTROLS AND PRECAUTIONARILY LANDED THE HELICOPTER. UPON INSPECTION, ONE TIP WEIGHT WAS FOUND MISSING FROM TAIL ROTOR BLADE PN: 2062200-301.
- [SDR EVCA201909040001](https://openairdocs.org/sdr/EVCA201909040001.md): Blade · out of balance · Sep 3, 2019 · N229AE · Bell 206L1
  > DURING FLIGHT, THE PILOT NOTED A SUDDEN VIBRATION IN THE ANTI-TORQUE CONTROLS AND PRECAUTIONARILY LANDED THE HELICOPTER. UPON INSPECTION, ONE TIP WEIGHT WAS FOUND MISSING FROM TAIL ROTOR BLADE PN: 2062200-301.
- [SDR K2DA2019090600000](https://openairdocs.org/sdr/K2DA2019090600000.md): Blade · debonded · Jul 24, 2019 · N430ST · Bell 430
  > UPON A DAILY / POST FLIGHT INSPECTION THE A&P MECHANICS DISCOVERED THE TAIL ROTOR BLADE DEBONDED AT THE BLADE ROOT. THE TAIL ROTOR BLADE HAD 22.7 HOURS TIME SINCE NEW.
- [SDR CA190814004](https://openairdocs.org/sdr/CA190814004.md): Bearing · cracked · Jul 20, 2019 · Snias AS350B3
  > (CAN) DURING 600 HOUR INSPECTION IT WAS DISCOVERED THAT ONE OF THE (SET OF FOUR) INWARD FACING LAMINATE BEARING WAS WORN BEYOND LIMITS. (TC# 20190814004)
- [SDR W7OA20200204001](https://openairdocs.org/sdr/W7OA20200204001.md): Blade · damaged · May 16, 2019 · N219RH · Bell 206L3
  > THIS IS OUR SECOND SET OF VAN HORN AVIATION TAIL ROTOR BLADES PN 2062200-301 THAT WE HAVE ENCOUNTERED CRACKS/DEBONDING IN THE LOWER/UPPER LEADING EDGES AND SKIN OF THE BLADES. OUR FIRST SET HAD A TOTAL TIME OF 1821.3 HOURS WHEN THE CRACKS/DEBONDING (UPPER LEA
- [SDR EVCA201904080001](https://openairdocs.org/sdr/EVCA201904080001.md): Blade · cracked · Apr 8, 2019 · N102AE · Bell 407
  > ORANGE TR BLADE TIP BLOCK CRACKED.
- [SDR CA190318016](https://openairdocs.org/sdr/CA190318016.md): Blade · cracked · Mar 17, 2019 · Bell 407
  > (CAN) IT WAS REPORTED TO BELL:NEW AIRCRAFT FOUND A SUSPECTED CRACK ON TAIL ROTOR BLADE SURFACE. ACTIONS AND RESOLUTIONS REMOVED PAINT ON SUSPECTED BLADE AREA AND DID FURTHER MORE INSPECTION. LENGTH OF CRACK 0.274 IN.
- [SDR CA190308012](https://openairdocs.org/sdr/CA190308012.md): Bearing · cracked · Feb 26, 2019 · Snias AS350B3
  > (CAN) DURING 600 HR INSP. IT WAS DISCOVERED THAT THE REAR FACING TAIL ROTOR LAMINATE HALF BEARING WERE WORN BEYOND LIMITS. (TC# 20190308012)
- [SDR EVCA2019021100001](https://openairdocs.org/sdr/EVCA2019021100001.md): Blade · debonded · Feb 11, 2019 · N1821 · Bell 206L4
  > DURING INSPECTION FOUND EVIDENCE OF DEBONDING ON T/R BLADE P/N 206-016-201-135 S/N CS20648. REMOVED T/R HUB AND BLADE ASSEMBLY P/N 206-011-810-157G S/N HB2825 AND INSTALLED SERVICEABLE T/R HUB AND BLADE ASSEMBLY P/N 206-011-810-157G S/N HB2767 IAW BOTH BHT-206
- [SDR EVCA2019020402](https://openairdocs.org/sdr/EVCA2019020402.md): Blade · cracked · Feb 4, 2019 · N42RX · Bell 407
  > DURING INSPECTION, CRACK FOUND ON THE INSIDE LOWER SIDE OF THE TAIL ROTOR BLADE ON THE ROOT SECTION. BLADE IS BEING REMOVED AND SENT TO RBI FOR REPAIR OR REPLACED.
- [SDR EVCA2019020401](https://openairdocs.org/sdr/EVCA2019020401.md): Blade · cracked · Feb 4, 2019 · N42RX · Bell 407
  > DURING INSPECTION. CRACK FOUND ON THE INSIDE LOWER SIDE OF TAIL ROTOR BLADE ON THE ROOT SECTION. BLADE IS BEING REMOVED AND SENT TO RBI FOR REPAIR OR REPLACED.
- [SDR QMLA2019010919006](https://openairdocs.org/sdr/QMLA2019010919006.md): Spar · cracked · Jan 9, 2019 · N392LG · Snias AS350B3
  > DURING A AIRWORTHNESS CHECK, THE MECHANIC INSPECTED THE TAIL ROTOR AND WHEN HE MOVED THE TAIL ROTOR IN ANY WAY (FLEXING THE SPAR), HE HEARD A CRACKLING NOISE THAT WARRANTED FURTHER INSPECTION. AFTER DISASSEMBING THE TAIL ROTOR TO INSPECT THE SPAR, A CRACK WAS
- [SDR K2DA201811030001](https://openairdocs.org/sdr/K2DA201811030001.md): Blade · debonded · Nov 3, 2018 · N430ST · Bell 430
  > WITH AUTOPILOT ENGAGED AND A COMMANDED CLIMB TO 1500 FT MSL IN PROGRESS, THE PIC EXPERIENCED A LOUD THUMP, IMMEDIATELY FOLLOWED BY A MEDIUM-TO-HIGH FREQUENCY VIBRATION OF SIGNIFICANT AMPLITUDE. THE PIC WAS ON THE CONTROLS, AND FELT THE VIBRATION MORE THROUGH T
- [SDR K2DA2020012220](https://openairdocs.org/sdr/K2DA2020012220.md): Blade · damaged · Oct 3, 2018 · N430ST · Bell 430
  > AT 1104 HST, WAS AT APPROXIMATELY N19.54`02" W156.06`58" TRANSITIONING THROUGH PHKO CLASS D AIRSPACE AT 1350`MSL AND 125 KIAS ON A HEADING OF 165 DEGREES, EN ROUTE TO FLY COUNTER-CLOCKWISE AROUND THE BIG ISLAND. WITH AUTOPILOT ENGAGED AND A COMMANDED CLIMB T
- [SDR QMLA2018030118026](https://openairdocs.org/sdr/QMLA2018030118026.md): Blade · cracked · Mar 1, 2018 · N54178 · Snias AS350B3
  > TAIL ROTOR BLADE CRACKED, 7 INCHES DOWN FROM COLLAR, 3 INCHES LONG. FOUND TO BE OUT OF LIMITS IAW AMM 64-10-00,6-1A.
- [SDR CA180104004](https://openairdocs.org/sdr/CA180104004.md): Bearing · cracked · Dec 21, 2017 · Snias AS350B3
  > (CAN) DURING ROUTINE/DAILY INSPECTIONS OF THE T/R 1/2 SHELL BRGS AT 300-350 HR TSN, WEATHER CHECKING WAS OBSERVED ON THE RUBBER LAMINATE SECTION OF ALL 4 1/2 SHELL BRGS. MONITORING CONTINUED ON THE VISIBLE PORTIONS OF THE BRGS. AND AT ABOUT 400-450 HR TSN SOM
- [SDR Z1RA7610381211201](https://openairdocs.org/sdr/Z1RA7610381211201.md): Blade · debonded · Dec 11, 2017 · N760AF · Skrsky S76D
  > DURING SPECIAL 25 HOUR TAIL ROTOR BLADE INSPECTION, OUTBOARD BLADE WAS NOTED TO BE DEBONDED FROM TAIL ROTOR PITCH HORN.
- [SDR JYDR201711163031](https://openairdocs.org/sdr/JYDR201711163031.md): Blade · iced · Nov 15, 2017 · Skrsky S64*
  > VIBRATION IN TAIL ROTOR WAS FELT DURING MAINTENANCE CHECK FLIGHT AFTER DE-ICING. WHEN HEAT WAS APPLIED TO TAIL ROTOR BLADE, WATER WAS SEEN COMING FROM STRAP AREA AS TRAPPED ICE MELTED. OUTSIDE AIR TEMPERATURE WAS BELOW FREEZING. SB64F15-3 WAS PERFORMED BEFORE
- [SDR JYDR20171116303](https://openairdocs.org/sdr/JYDR20171116303.md): Blade · iced · Nov 15, 2017 · Skrsky S64*
  > VIBRATION IN TAIL ROTOR WAS FELT DURING MAINTENANCE CHECK FLIGHT AFTER DE-ICING. WHEN HEAT WAS APPLIED TO TAIL ROTOR BLADE, WATER WAS SEEN COMING FROM STRAP AREA AS TRAPPED ICE MELTED. OUTSIDE AIR TEMPERATURE WAS BELOW FREEZING. SB64F15-3 WAS PERFORMED BEFORE
- [SDR QMLA2017101017105](https://openairdocs.org/sdr/QMLA2017101017105.md): Blade · cracked · Oct 10, 2017 · N247SM · Bell 407
  > FOUND TAIL ROTOR BLADE CRACKED AT DRAIN HOLE DURING AAIP INSPECTION
- [SDR 2017FA0000492](https://openairdocs.org/sdr/2017FA0000492.md): Blade · failed · Sep 15, 2017 · N6977A · Snias AS350B3
  > WHILE PERFORMING A 30 HOUR TAIL ROTOR INSPECTION IAW MM 64-10-00, 6-2, AND 05-40-00, 6-7, THE TAIL ROTOR BLADE MADE CONSISTENT CREAKING & TEARING SOUND LIKE BREAKING FIBERGLASS WHILE FLEXING THE BLADE DURING THE INSPECTION. THE BLADE WAS REPLACED AND THE AIRC
- [SDR 2017FA0000485](https://openairdocs.org/sdr/2017FA0000485.md): Blade · delaminated · Sep 12, 2017 · N633JH · Hughes 369E
  > DURING A POST FLIGHT INSPECTION BY AN AIRCRAFT MECHANIC TAIL ROTOR LEADING EDGE DELAMINATION WAS FOUND. BOTH TAIL BLADES WERE REMOVED FROM THE AIRCRAFT AND REPLACED WITH NEW.
- [SDR QMLA2017080917077](https://openairdocs.org/sdr/QMLA2017080917077.md): Blade · cracked · Aug 9, 2017 · N150AM · Bell 407
  > DURING AN AIRWORTHINESS, PREFLIGHT INSPECTION, ONE CRACK ESTIMATIED TO BE.03125"-.0625" WAS FOUND ON THE CENTER TIP BLOCK SEAL OF THE TAIL ROTOR BLADE WHEN COMPLYING WITH INSTRUCTIONS LAID OUT IN THE MM A ADDITIONAL CRACK WAS FOUND ON THE TRAILING TIP BLOCK
- [SDR QMLA2017080717081](https://openairdocs.org/sdr/QMLA2017080717081.md): Blade · cracked · Aug 7, 2017 · N184AM · Bell 407
  > BEFORE ENGINE START, A CRACK WAS FOUND ON ROTOR BLADE TIP CAP. MECHANIC REMOVED PAINT TO DISCOVER CRACK IN FILLER MATERIAL AND HELICOPTER GROUNDED.
- [SDR QMLA2017080717078](https://openairdocs.org/sdr/QMLA2017080717078.md): Blade · cracked · Aug 7, 2017 · N409LM · Bell 407
  > CRACKS FOUND ON ONE TAIL ROTOR BLADE TIP AREA.
- [SDR AC2R2017073102](https://openairdocs.org/sdr/AC2R2017073102.md): Blade · cracked · Jul 31, 2017 · N639MM · Agusta AW139
  > TAIL ROTOR BLADE CRACK AT INBOARD ROOT NEAR EROSION SHIELD.
- [SDR AC2R2017073101](https://openairdocs.org/sdr/AC2R2017073101.md): Blade · cracked · Jul 31, 2017 · N639MM · Agusta AW139
  > TAIL ROTOR BLADE CRACK AT INBOARD ROOT NEAR EROSION SHIELD.
- [SDR HEER20170609333](https://openairdocs.org/sdr/HEER20170609333.md): Erosion Shield · broken · Jun 9, 2017 · N152PH · Agusta AW139
  > AFTER REVIEW OF HUMS DOWNLOAD, FOUND HIGH TAIL ROTOR AND TAIL ROTOR GEARBOX READINGS. INSPECTED TAIL ROTOR AND FOUND RED TAIL ROTOR BLADE BONDING STRIP BROKEN OFF. REPLACED.
- [SDR HEER20170502215](https://openairdocs.org/sdr/HEER20170502215.md): Block · separated · May 2, 2017 · N457PH · Bell 407
  > LANDED DUE TO SEVERE VIBRATION. TAIL ROTOR BLADE TIP BLOCK CAME OFF OF BLADE. MOUNT STUDS BROKEN ON TAIL ROTOR GEARBOX. MOUNT CASTING CRACKED.
- [SDR W7O2018F00001](https://openairdocs.org/sdr/W7O2018F00001.md): Blade · damaged · Apr 11, 2017 · N57441 · Bell 206L1
  > TAIL ROTOR BLADE HAS A TOTAL TIME 1821.3 HOURS, UPON AN INSPECTION IT WAS DISCOVERED THAT TAIL ROTOR BLADE PN 2062200-301, SN 777 SHOWED SIGNS OF DEBONDING AND CRACKS DURING VISUAL INSPECTION. BLADE WAS REMOVED FROM HUB ASSEMBLY AND SENT MANUFACTURE FOR EVALU
- [SDR W7O2018F00000](https://openairdocs.org/sdr/W7O2018F00000.md): Blade · damaged · Apr 11, 2017 · N57441 · Bell 206L1
  > TAIL ROTOR BLADE HAS A TOTAL TIME OF 1821.3 HOURS, UPON AN INSPECTION IT WAS DISCOVERED THAT TAIL ROTOR BLADE PN 2062200-301 SN 778 SHOWED SIGNS OF DEBONDING AND CRACK DURING VISUAL INSPECTION. BLADE WAS REMOVED FROM HUB ASSEMBLY AND SENT TO MANUFACTURE FOR
- [SDR ALGA201703170001](https://openairdocs.org/sdr/ALGA201703170001.md): Blade · cracked · Mar 15, 2017 · N9YTAJ · Agusta AW139
  > DURING DAILY INSPECTION. THREE TAIL ROTOR BLADES WERE FOUND TO HAVE CRACKS ADJACENT TO THE EROSION SHIELDS.
- [SDR ALGA2017031500004](https://openairdocs.org/sdr/ALGA2017031500004.md): Blade · cracked · Mar 8, 2017 · N9YTKD · Agusta AW139
  > DURING DAILY INSPECTION, THREE TAIL ROTOR BLADES WERE FOUND TO HAVE CRACKS NEAR THE EROSION SHIELD,
- [SDR ALGA2017031500002](https://openairdocs.org/sdr/ALGA2017031500002.md): Blade · cracked · Mar 4, 2017 · N9YTKC · Agusta AW139
  > DURING DAILY INSPECTION OF TAIL ROTOR BLADE, FOUND A CRACK NEAR THE EROSION SHIELD
- [SDR ALGA2017031500003](https://openairdocs.org/sdr/ALGA2017031500003.md): Blade · cracked · Mar 3, 2017 · N9YTKD · Agusta AW139
  > DURING 500 HR INSPECTION, THE TAIL ROTOR BLADE WAS FOUND CRACKED NEAR THE EROSION SHIELD.
- [SDR QMLA2017011617010](https://openairdocs.org/sdr/QMLA2017011617010.md): Blade · damaged · Jan 16, 2017 · N129AR · Agusta A109E
  > IMPACT DAMAGE ON BOTH TAILROTOR BLADES LEADING EDGE APPROXIMATELY THREE INCHES FROM BLADE TIP.
- [SDR 2017FA0000408](https://openairdocs.org/sdr/2017FA0000408.md): Blade · delaminated · Jan 5, 2017 · Hughes 369E
  > TAIL ROTOR BLADE WAS FOUND IN A DELAMINATED STATE DURING A PREFLIGHT INSPECTION. THE ABRASION STRIP HAD DELAMINATED FROM THE LEADING EDGE OF THE BLADE. PROBABLE CAUSE OF DELAMINATION IS IMPROPER CURE TIME FOR THE BONDING ADHESIVE, IMPROPER MIXING OF THE BO

Next page: https://openairdocs.org/jasc/6410/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 = '6410'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/6410/reports

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