# Service difficulty reports: JASC 6510 A list on [JASC 6510](https://openairdocs.org/jasc/6510.md). Reports filed under 6510 · Tail Rotor Drive Shaft, newest first. Page 1 of 26 · 1,259 reports - [SDR 2025F00130](https://openairdocs.org/sdr/2025F00130.md): Drive Shaft · cracked · May 19, 2025 · N868JB · Bell 206B3 > DURING 12 MONTH INSPECTION FOUND CRACKS RADIATING FROM WHERE THE RIVETS ARE INSTALLED ON EITHER END ON ONE OF THE SEGMENTED RIVETED DRIVE SHAFT ASSEMBLY. THIS WAS DETECTED WITH A 10X MAGNIFYING GLASS. THE OTHER SEGMENTED SHAFTS CHECKED OUT OK. PART WITH REPLAC - [SDR QMLA2024102820141](https://openairdocs.org/sdr/QMLA2024102820141.md): Clamp · broken · Oct 24, 2024 · N635TJ · Bolkms BK117C2 > CLAMP HOLDING RUBBER BOOT AROUND TR DRIVESHAFT BROKE AND CAME LOOSE. IT LANDED AT THE LEFT SIDE OF THE FUSELAGE. - [SDR QR9R2024061300001](https://openairdocs.org/sdr/QR9R2024061300001.md): Shaft · failed insp · Jun 13, 2024 · Bolkms BK117C2 > M1 HAS DISCOVERED A DESIGN/ENGINEERING FLAW BETWEEN THE AMM 65-11-00, 4-9 FIGURE 1/1 SHEET 3/3 AND THE CURRENT MANUFACTURING OF THE TAIL ROTOR OUTPUT SHAFT WHICH IS QUITE POSSIBLY THE ROOT CAUSE OF DAMAGE TO THIS COMPONENT. M1 HAS REPEATEDLY DISCOVERED DAMAGE - [SDR NKVA202501500003](https://openairdocs.org/sdr/NKVA202501500003.md): Bearing · shifted · Mar 24, 2024 · N353JR · Snias AS350B3 > THE NO. 1 TR DRIVESHAFT BEARING SLEEVE BECAME DISPLACED FROM THE NO. 1 TR DRIVESHAFT BEARING ASSEMBLY. THIS CAUSED A GAP BETWEEN THE TR DRIVESHAFT AND THE BEARING INNER RACE. DURING AIRCRAFT SHUTDOWN, THE DRIVESHAFT AND BEARING INNER RACE WERE MAKING CONTACT C - [SDR NKVA2024032510001](https://openairdocs.org/sdr/NKVA2024032510001.md): Bearing · migrated · Mar 24, 2024 · N353JR · Snias AS350B3 > THE NO. 1 TR DRIVESHAFT BEARING SLEEVE BECAME DISPLACED FROM THE NO.1 TR DRIVESHAFT BEARING ASSEMBLY. THIS CAUSED A GAP BETWEEN THE TR DRIVESHAFT AND THE BEARING INNER RACE. DURING AIRCRAFT SHUTDOWN, THE DRIVESHAFT AND BEARING INNER RACE WERE MAKING CONTACT C - [SDR QMLA2024032220033](https://openairdocs.org/sdr/QMLA2024032220033.md): Sleeve · failed · Mar 21, 2024 · N533AM · Snias AS350B3 > DURING A VISUAL INSPECTION OF THE TAIL ROTOR DRIVE BEARINGS IT WAS DISCOVERED THAT THE INNER SLEEVE OF THE #3 BEARING HAD SPLIT AND COME OFF OF THE DRIVESHAFT AND THE BEARING AND WAS FOUND SITTING BELOW THE BEARING ASSEMBLY. THIS CAUSED NO VISUAL DAMAGE TO TH - [SDR QR9R2024031300001](https://openairdocs.org/sdr/QR9R2024031300001.md): Shaft · failed insp · Mar 13, 2024 · Bolkms BK117C2 > M1 HAS DISCOVERED A DESIGN/ENGINEERING FLAW BETWEEN THE AMM 65-11-00, 4-9 FIGURE 1/1 SHEET 3/3 AND THE CURRENT MANUFACTURING OF THE TAIL ROTOR OUTPUT SHAFT WHICH IS QUITE POSSIBLY THE ROOT CAUSE OF DAMAGE TO THIS COMPONENT. M1 HAS REPEATEDLY DISCOVERED DAMAGE - [SDR QR9R2024022600002](https://openairdocs.org/sdr/QR9R2024022600002.md): Shaft · failed insp · Feb 26, 2024 · Bolkms BK117C2 > M1 HAS DISCOVERED A DESIGN/ENGINEERING FLAW BETWEEN THE AMM 65-11-00, 4-9 FIGURE 1/1 SHEET 3/3 AND THE CURRENT MANUFACTURING OF THE TAIL ROTOR OUTPUT SHAFT WHICH IS QUITE POSSIBLY THE ROOT CAUSE OF DAMAGE TO THIS COMPONENT. M1 HAS REPEATEDLY DISCOVERED DAMAGE - [SDR QR9R2024022600001](https://openairdocs.org/sdr/QR9R2024022600001.md): Shaft · failed insp · Feb 26, 2024 · Bolkms BK117C2 > M1 HAS DISCOVERED A DESIGN/ENGINEERING FLAW BETWEEN THE AMM 65-11-00, 4-9 FIGURE 1/1 SHEET 3/3 AND THE CURRENT MANUFACTURING OF THE TAIL ROTOR OUTPUT SHAFT WHICH IS QUITE POSSIBLY THE ROOT CAUSE OF DAMAGE TO THIS COMPONENT. M1 HAS REPEATEDLY DISCOVERED DAMAGE - [SDR QR9R2024011100002](https://openairdocs.org/sdr/QR9R2024011100002.md): Drive Shaft · failed insp · Jan 11, 2024 · Bolkms BK117C2 > M1 HAS DISCOVERED A DESIGN/ENGINEERING FLAW BETWEEN THE AMM 65-11-00, 4-9 FIGURE 1/1 SHEET 3/3 AND THE CURRENT MANUFACTURING OF THE TAIL ROTOR OUTPUT SHAFT WHICH IS QUITE POSSIBLY THE ROOT CAUSE OF DAMAGE TO THIS COMPONENT. M1 HAS REPEATEDLY DISCOVERED DAMAGE - [SDR QR9R2024011100001](https://openairdocs.org/sdr/QR9R2024011100001.md): Drive Shaft · failed insp · Jan 11, 2024 · Bolkms BK117C2 > M1 HAS DISCOVERED A DESIGN/ENGINEERING FLAW BETWEEN THE AMM 65-11-00, 4-9 FIGURE 1/1 SHEET 3/3 AND THE CURRENT MANUFACTURING OF THE TAIL ROTOR OUTPUT SHAFT WHICH IS QUITE POSSIBLY THE ROOT CAUSE OF DAMAGE TO THIS COMPONENT. M1 HAS REPEATEDLY DISCOVERED DAMAGE - [SDR QR9R2023113000006](https://openairdocs.org/sdr/QR9R2023113000006.md): Drive Shaft · failed insp · Nov 30, 2023 · Bolkms BK117C2 > M1 HAS DISCOVERED A DESIGN/ENGINEERING FLAW BETWEEN THE AMM 65-11-00, 4-9 FIGURE 1/1 SHEET 3/3 AND THE CURRENT MANUFACTURING OF THE TAIL ROTOR OUTPUT SHAFT WHICH IS QUITE POSSIBLY THE ROOT CAUSE OF DAMAGE TO THIS COMPONENT. M1 HAS REPEATEDLY DISCOVERED DAMAGE - [SDR QR9R2023113000005](https://openairdocs.org/sdr/QR9R2023113000005.md): Drive Shaft · failed insp · Nov 30, 2023 · Bolkms BK117C2 > M1 HAS DISCOVERED A DESIGN/ENGINEERING FLAW BETWEEN THE AMM 65-11-00, 4-9 FIGURE 1/1 SHEET 3/3 AND THE CURRENT MANUFACTURING OF THE TAIL ROTOR OUTPUT SHAFT WHICH IS QUITE POSSIBLY THE ROOT CAUSE OF DAMAGE TO THIS COMPONENT. M1 HAS REPEATEDLY DISCOVERED DAMAGE - [SDR QR9R2023113000004](https://openairdocs.org/sdr/QR9R2023113000004.md): Drive Shaft · failed insp · Nov 30, 2023 · Bolkms BK117C2 > M1 HAS DISCOVERED A DESIGN/ENGINEERING FLAW BETWEEN THE AMM 65-11-00, 4-9 FIGURE 1/1 SHEET 3/3 AND THE CURRENT MANUFACTURING OF THE TAIL ROTOR OUTPUT SHAFT WHICH IS QUITE POSSIBLY THE ROOT CAUSE OF DAMAGE TO THIS COMPONENT. M1 HAS REPEATEDLY DISCOVERED DAMAGE - [SDR QR9R2023113000003](https://openairdocs.org/sdr/QR9R2023113000003.md): Drive Shaft · failed insp · Nov 30, 2023 · Bolkms BK117C2 > M1 HAS DISCOVERED A DESIGN/ENGINEERING FLAW BETWEEN THE AMM 65-11-00, 4-9 FIGURE 1/1 SHEET 3/3 AND THE CURRENT MANUFACTURING OF THE TAIL ROTOR OUTPUT SHAFT WHICH IS QUITE POSSIBLY THE ROOT CAUSE OF DAMAGE TO THIS COMPONENT. M1 HAS REPEATEDLY DISCOVERED DAMAGE - [SDR QR9R2023113000002](https://openairdocs.org/sdr/QR9R2023113000002.md): Drive Shaft · failed insp · Nov 30, 2023 · Bolkms BK117C2 > M1 HAS DISCOVERED A DESIGN/ENGINEERING FLAW BETWEEN THE AMM 65-11-00, 4-9 FIGURE 1/1 SHEET 3/3 AND THE CURRENT MANUFACTURING OF THE TAIL ROTOR OUTPUT SHAFT WHICH IS QUITE POSSIBLY THE ROOT CAUSE OF DAMAGE TO THIS COMPONENT. M1 HAS REPEATEDLY DISCOVERED DAMAGE - [SDR QR9R2023113000001](https://openairdocs.org/sdr/QR9R2023113000001.md): Drive Shaft · failed insp · Nov 30, 2023 · Bolkms BK117C2 > M1 HAS DISCOVERED A DESIGN/ENGINEERING FLAW BETWEEN THE AMM 65-11-00, 4-9 FIGURE 1/1 SHEET 3/3 AND THE CURRENT MANUFACTURING OF THE TAIL ROTOR OUTPUT SHAFT WHICH IS QUITE POSSIBLY THE ROOT CAUSE OF DAMAGE TO THIS COMPONENT. M1 HAS REPEATEDLY DISCOVERED DAMAGE - [SDR QR9R20210611002](https://openairdocs.org/sdr/QR9R20210611002.md): Bushing · out of limits · Jun 11, 2021 · Bolkms BK117C2 > SUBMITTED TO REVEAL THE SYSTEMIC AND PREMATURE FAILURE RATE OF THE TAIL ROTOR SHAFT BUSHINGS DUE TO EXCESSIVE PLAY AND WORN BEYOND LIMITS. - [SDR EVCA202010211](https://openairdocs.org/sdr/EVCA202010211.md): Drive Shaft · corroded · Oct 20, 2020 · N512MT · Bell 407 > DURING ROUTINE MAINTENANCE, CORROSION WAS DISCOVERED ON THE AFT TAIL ROTOR DRIVE SHAFT. - [SDR EVCA2020093003](https://openairdocs.org/sdr/EVCA2020093003.md): Disc Pack · corroded · Sep 29, 2020 · N277AE · Bell 206L3 > DURING ROUTINE INSPECTION, NR 6 TAIL ROTOR DRIVE SHAFT DISC PACK HAS CORROSION BETWEEN DISCS. - [SDR IAVA202008040001](https://openairdocs.org/sdr/IAVA202008040001.md): Drive Shaft · cracked · Jul 31, 2020 · N34BM · Bell 407 > DURING 100 HOUR LUBRICATION OF TAIL ROTOR DRIVE SHAFT SPLINES THE #3 TAIL ROTOR DRIVE SHAFT WAS FOUND CRACKED AT ONE ATTACHMENT EAR. TOTAL TIME OF PART IS UNKNOW AS IT IS AN ON CONDITION PART. - [SDR EVGR202006240001](https://openairdocs.org/sdr/EVGR202006240001.md): Bearing · leaking · Jun 15, 2020 · N44KV · Robsin R44RAVENII > P/N C647-8 TAIL ROTOR DRIVE SHAFT DAMPER BEARING WAS FOUND TO BE LEAKING GREASE AT A SCHEDULED INSPECTION. PART TOTAL TIME IS 231.2 HRS AND WAS INSTALLED NEW IN MARCH 2019 AT THE OVERHAUL OF THE HELICOPTER. THIS BEARING IS THE SUBJECT OF R44 SB-92A WHICH REQ - [SDR YV3R2020030600246](https://openairdocs.org/sdr/YV3R2020030600246.md): Bearing · defective · Feb 19, 2020 · Robsin R44 > CUSTOMER REPORTED BEARING ASSEMBLY P/N: C647-8 SEAL IS SPINNING IN HOUSING. - [SDR YV3R2020030700245](https://openairdocs.org/sdr/YV3R2020030700245.md): Bearing · defective · Feb 19, 2020 · Robsin R44 > CUSTOMER REPORTED BEARING ASSEMBLY P/N: C647-8 SEAL IS SPINNING IN HOUSING. - [SDR AC2R2019120401](https://openairdocs.org/sdr/AC2R2019120401.md): Bearing · cracked · Dec 4, 2019 · N139CN · Agusta AW139 > THE BEARING P/N: 3T6510V00255 S/N: 16144 WAS INSTALLED NEW INTO BEARING SUPPORT P/N: 3T6510A00443 S/N: THB9999 AT 3565.2 HRS. THE BEARING SUPPORT WAS INSTALLED ONTO N139CN AT 8141.6 HRS AND WAS REMOVED FROM THE AIRCRAFT AT 8620.0 HRS DUE TO HIGH VIBRATION R - [SDR 2019FA0000298](https://openairdocs.org/sdr/2019FA0000298.md): Coupling · broken · Sep 6, 2019 · N54528 · Hughes 369D > FAILURE OF THE AFT COUPLING. FRACTURE OF COUPLING. SEE ENGINEERED PRODUCTS 8130-3 WORK ORDER # MDI1167 DATED MARCH 20, 2018 FOR PART DETAIL. - [SDR YV3R2019062720134](https://openairdocs.org/sdr/YV3R2019062720134.md): Bearing · defective · Jun 24, 2019 · Robsin R44 > CUSTOMER REPORTED BEARING ASSEMBLY DUST SHIELD SPINS IN BEARING HOUSING P/N: C172-1. - [SDR YV3R2019062700133](https://openairdocs.org/sdr/YV3R2019062700133.md): Bearing · defective · Jun 24, 2019 · Robsin R66 > CUSTOMER REPORTED BEARING ASSEMBLY DUST SHIELD SPINS IN BEARING HOUSING. - [SDR YV3R2019060422103](https://openairdocs.org/sdr/YV3R2019060422103.md): Bearing · malfunctioned · May 24, 2019 · Robsin R44 > CUSTOMER REPORTED BEARING P/N: C647-8 DUST SEAL SPINS WITH SHAFT. - [SDR CA190509010](https://openairdocs.org/sdr/CA190509010.md): Bearing · rough · May 8, 2019 · Urocop EC120B > (CAN) EXCESSIVE HEAT WAS NOTED DURING THE POST MAINTENANCE CHECK FOR HEATING IN THE FORWARD TAIL ROTOR SHAFT BEARING. DURING DISASSEMBLY OF THE BEARING UNIT IT WAS NOTED THE SEALS APPEARED BURNT ALONG WITH THE GREASE HAVING A BURNT SMELL. THE BEARING WAS REMOV - [SDR CA190308019](https://openairdocs.org/sdr/CA190308019.md): Coupling · damaged · Mar 8, 2019 · Bell 212 > (CAN) NEW TAIL ROTOR COUPLING FROM MANUFACTURER PART NUMBER 204040604005S HAS SCORING MARKS IN VALLEY BETWEEN TEETH. MACHINE MARKS THREE COUPLINGS WITH SAME DEFECT - [SDR CA190307015](https://openairdocs.org/sdr/CA190307015.md): Hanger Assy · damaged · Mar 4, 2019 · Skrsky S92A > (CAN) DURING THE REVIEW OF THE HUMS DATA DIRECTLY FOLLOWING THE AIRCRAFT`S RETURN FROM AN OFFSHORE FLIGHT, A HANGER BEARING 2 TEMPERATURE EXCEEDANCE WAS DISPLAYED. UPON FURTHER INTERROGATION, IT WAS FOUND THAT THE BEARING HAD EXPERIENCED A LEVEL 1 EXCEEDANCE, - [SDR CA190219023](https://openairdocs.org/sdr/CA190219023.md): Coupling · gouged · Feb 15, 2019 · Bell 212 > (CAN) TRD OUTER COUPLING FOUND WITH POSSIBLE MACHINING MARKING/GOUGES. - [SDR YH7R20190201001](https://openairdocs.org/sdr/YH7R20190201001.md): Drive Shaft · cracked · Feb 1, 2019 · N233HC · Bell 206B3 > IN PERFORMING BEL HELICOPTER 100HR PERIODIC INSPECTION A CRACK WAS IDENTIFIED ON THE FORWARD SEGMENT OF THE TAIL ROTOR DRIVE SHAFT AT FLANGE. THE CRACK IS LOCATED AT THE AFT FLEX COUPLING MOUNTING FLANGE. THE CRACK TRAVELS LONGITUDINALLY ACROSS A SECURING RIVE - [SDR QMLA2018112518125](https://openairdocs.org/sdr/QMLA2018112518125.md): Rivet · loose · Nov 25, 2018 · N485UH · Bolkms BK117A4 > PILOT CONTACTED ME AFTER PERFORMING HIS DAILY PREFLIGHT AIRWORTHINESS CHECK. HE STATED THE TAIL ROTOR WAS MAKING A POPPING SOUND WHEN ROTATING IT BY HAND. I PROCEEDED TO REMOVE THE VERTICAL STABILIZER REAR FAIRING. I FOUND THAT WHEN HE ROTATED THE TAIL ROTO - [SDR 9EKA20180126001](https://openairdocs.org/sdr/9EKA20180126001.md): Drive Shaft · sheared · Jan 26, 2018 · N339EV · Snias SA330J > AFTER THE FLIGHT HAD BEEN COMPLETED AND THE AIRCRAFT WAS BACK ON THE SHIP AND CHOCKED AND CHAINED THE CREW PROCEEDED TO PERFORM THE FRESH WATER RINSE OF THE ENGINES. WITH THE #2 ENGINE AT FLIGHT IDLE AND THE #1 ENGINE AT GROUND IDLE THE FOR THE ENGINE RINSE T - [SDR CA180117008](https://openairdocs.org/sdr/CA180117008.md): Drive Shaft · worn · Jan 8, 2018 · Bell 206B > (CAN) NOTED A KNOCKING NOISE NEAR TAIL ROTOR GEARBOX AFTER AIRCRAFT LANDED FOR MAINTENANCE. FOUND EXCESSIVE PLAY BETWEEN AFT TAIL ROTOR DRIVESHAFT SEGMENT AND HANGER BEARING. DISASSEMBLED AFT SEGMENT AND FOUND WEAR ON BEARING MATING SURFACE OF THE SHAFT, AS - [SDR QMLA2017101417111](https://openairdocs.org/sdr/QMLA2017101417111.md): Mount · cracked · Oct 14, 2017 · N425AM · Urocop EC130B4 > CRACK FOUND ON THE NR 1 TAIL ROTOR DRIVE SHAFT BEARING MOUNT BRACKET, FOUND DURING A SHCEDULED MAINTENANCE BEARING CHANGE. - [SDR EVCA201703101](https://openairdocs.org/sdr/EVCA201703101.md): Flex Coupling · cracked · Mar 10, 2017 · N512MT · Bell 407 > WHILE PERFORMING PREFLIGHT CHECK, PILOT NOTED THAT THE AFT MOST FLEXIBLE DISC PACK COUPLING ON THE TAIL ROTOR SEGMENTED DRIVESHAFTS AT THE INTERFACE WITH THE TAIL ROTOR GEARBOX WAS CRACKED. VERIFIED CRACKED COUPLING AND REPLACED WITH SERVICEABLE. PN: 407-340-3 - [SDR ALGA2016110700001](https://openairdocs.org/sdr/ALGA2016110700001.md): Mount · cracked · Nov 1, 2016 · N9YTKB · Agusta AW139 > CRACK FOUND IN AREA OF NR 1 TAIL ROTOR DRIVESHAFT HANGAR BEARING MOUNT ON L/H SIDE OF TAILBOOM.AWAITING FOR REPAIR FROM MANUFACTURER - [SDR CA160215022](https://openairdocs.org/sdr/CA160215022.md): Coupling · broken · Feb 15, 2016 · Bell 206B > (CAN) DURING A SCHEDULED 100/300 HR INSPECTION, THE OUTER DISC OF A 10 DISC PACK WAS DISCOVERED BROKEN THE EDGE RUB INDICATES THAT THE DISC HAS PROBABLY BEEN BROKEN FOR SOME TIME THE ACFT TT IS 9444.3. THE BROKEN PART IS UNKNOWN TIME IN SERVICE THE APPEARANCE - [SDR EVCA201601121](https://openairdocs.org/sdr/EVCA201601121.md): Coupling · loose · Nov 30, 2015 · N512MT · Bell 407 > PILOT STATED THAT UPON TAKEOFF THERE WAS A TAIL ROTOR VIBRATION. THEY LANDED THE ACFT & CALLED THE ACFT OOS. WE DISPATCHED A MECHANIC & UPON HIS ARRIVAL IT WAS FOUND THAT THE DISC PACK COUPLING FOR ONE OF THE SHAFTS THAT HAD JUST BEEN REPLACED HAD 1 BOLT THAT - [SDR EVCA201601124](https://openairdocs.org/sdr/EVCA201601124.md): Adapter · loose · Nov 23, 2015 · N488AE · Bell 407 > NUMBER 3 TAIL ROTOR DRIVESHAFT FOUND TO HAVE ADAPTER NUT BELOW MINIMUM TORQUE. - [SDR EVCA201601200023](https://openairdocs.org/sdr/EVCA201601200023.md): Drive Shaft · worn · Nov 23, 2015 · N488AE · Bell 407 > NUMBER 2 TAIL ROTOR DRIVE SHAFT FOUND TO HAVE PITTING & A WEAR STEP ON COUPLING SPLINES. - [SDR EVCA201601122](https://openairdocs.org/sdr/EVCA201601122.md): Coupling · excess play · Nov 18, 2015 · N512MT · Bell 407 > UPON DETAILED INSPECTION FOUND NR 2 TAIL ROTOR DRIVESHAFT COUPLING TO HAVE ABNORMAL PLAY. - [SDR CA160119006](https://openairdocs.org/sdr/CA160119006.md): Drive Shaft · sheared · Nov 2, 2015 · Bell 407 > (CAN) AIRCRAFT WAS ABOUT TO DEPART WHEN THE TAIL ROTOR DRIVE SHAFT SHEARED ABOVE THE HORIZONTAL STABILIZER. NO INJURIES REPORTED AND ACFT RECEIVED LOCALIZED DAMAGE. - [SDR EVCA20151109001](https://openairdocs.org/sdr/EVCA20151109001.md): Drive Shaft · sheared · Nov 2, 2015 · N496AE · Bell 407 > UPON TAKING OFF THE ACFT EXPERIENCED AN UNCOMMANDED YAW. THE PILOT IMMEDIATELY LANDED & SHUTDOWN THE ACFT. UPON MX INSPECTION IT WAS FOUND THAT THE TAIL ROTOR SEGMENTED DRIVESHAFT LOCATED ABOVE THE HORIZONTAL STABILIZER ON THE TAIL BOOM HAD SHEARED CAUSING A - [SDR CA150601004](https://openairdocs.org/sdr/CA150601004.md): Bushing · damaged · May 22, 2015 · Snias AS350B3 > (CAN) SYMETRICAL MECHANICAL CUTS ON FLANGE OF NEW RUBBER BUSHING THAT HOUSES THE T/R DRIVE SHAFT BEARING. ONLY SEEN WHEN RUBBER BUSHING IS SQUEEZED TO CHECKED FOR RUBBER FOR PLIABILITY. - [SDR CA150601003](https://openairdocs.org/sdr/CA150601003.md): Bushing · damaged · May 22, 2015 · Snias AS350B3 > (CAN) NEW RUBBER BUSHING THAT HOUSES THE TAILROTOR DRIVESHAFT BEARING HAS A SERIES OF MECHANICAL CUTS AROUND FLANGE. THEY ARE ONLY NOTICED WHEN BUSHING IS SQUEEZED, BEFORE INSTALLATION. - [SDR 2015F00070](https://openairdocs.org/sdr/2015F00070.md): Shaft · failed · May 20, 2015 · N210MH · Bell 206L3 > TAILROTOR DRIVE SHAFT FAILED AT NR 5 SECTION. ACFT LOST ALTITUDE FROM 40 FOOT HOVER AND SPUN TO GROUND AND WAS DAMAGED. NO INJURY'S. Next page: https://openairdocs.org/jasc/6510/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 = '6510' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/jasc/6510/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.