JASC 6230
Service difficulty reports · 1,271
Reports filed under 6230 · Main Rotor Mast/Swashplate, 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 = '6230' 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 = '6230' 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 9EKA20160219001Stud · shearedTWO MAIN ROTOR TRANSMISSION MAST STUDS FOUND SHEARED OFF DURING 25 HOUR INSPECTION.SDR CA151208007Bearing · dislodged(CAN) WHEN CONDUCTING A 600 HR INSPECTION, WHICH REQUIRES THE VISUAL INSPECTION OF THE MAIN ROTOR SHAFT INNER BEARING, SLEEVE, PN 704A33-653-109 FOR ALIGNMENT, WITNESS MARK AND MAST SEAL FOR CONDITION, THE AME DISCOVERED THE BONDING SEALANT, PRC WAS CRACK ALL SDR H4QA20151028559Support · bentDURING SCHEDULED MX IT WAS DISCOVERED THAT A BEARING WOULD NOT FIT BETWEEN THE MOUNTING LUGS OF THE SWASHPLATE SUPPORT, PN 204-011-404-125, SN RE18039. THE SWASHPLATE SUPPORT LUGS WERE DIMENSIONALLY CHECKED & ENGINEERING CONTACTED. THE DIMENSIONAL CHECK REVESDR CA150908009Clamp · departed(CAN) MAIN ROTOR SWASHPLATE BOOT WAS REPLACED WITH A SPLIT BOOT IAW AMP 39-A-62-31-04-00A-720B-A SWASHPLATE BOOT, SPLITTED. INSTALL PROCEDURES. THE UPPER AND LOWER BOOT CLAMPS WERE RE-USED DURING THE INSTALLATION PROCESS. DURING A DAILY INSPECTION THE FOLLOSDR CA150721003Bolt · loose(CAN) THE MAST CHIP PLUG, REQUIRED MORE FORCE THEN ORDINARY TO BE PULLED OUT. THE TIP OF THE CHIP PLUG WAS FOUND CHOPPED OFF AND THE INTERNAL MAGNET OF THE CHIP DETECTOR WAS APPARENT. THE AICFT WAS THEN GROUNDED. THE TRANSMISSION WAS OPENED ON SITE. RIGHT AFSDR EVCA20150717001Mast · corrodedINTERIOR DIAMETER SURFACE OF MAST POLE SHOWING SIGNS OF CORROSION UNDERNEATH THE PAINT COATING.SDR CA150615024Nut · damaged(CAN) WHEN DISASSEMBLING PITCH LINK ON SWASH PLATE, ENGINEER WAS LOOSENING NUT & NOTICED THAT THE NUT WAS HOT & UPON FINAL INVESTIGATION THE THREADS HAD BEEN DAMAGED.SDR CA150615009Mast · corroded(CAN) THE FOLLOWING HAS BEEN REPORTED. MAST CORROSION FOUND DURING A SCHEDULED MAST INSPECTION. AFTER REMOVING THE MAST NUT, WATER WAS NOTED AROUND THE MAST NUT AREA. WHEN THE HUB WAS LIFTED WATER WAS NOTED RUNNING OUT.SDR CA150604018Tape · unsecure(CAN) WHILE DOING A DAILY INSPECTION, NOTICED A PIECE OF THE SWASHPLATE GUIDE TAPE STICKING OUT FROM UNDER THE UNIBALL AND A LOT BLACK MATERIAL ON THE SWASHPLATE AND SCISSOR LINK. AFTER INVESTIGATING IT WAS DETERMINED THAT THE PTFE TAPE ON THE SWASHPLATE GUIDSDR CA150615012Mast · corroded(CAN) THE FOLLOWING HAS BEEN REPORTED. MAIN ROTOR HUB WAS REMOVED DURING ROUTINE MX & WATER WAS FOUND IN THE MAIN ROTOR HUB TO MAST JOINT AREA. FURTHER INSPECTION REVEALED PITTING IN THE AREA ON THE MAST LOWER CONE SEAT AREA. MAST & MAST ADAPTER ASSEMBLY PNSDR CA150602016Mast · worn(CAN) MAST DRIVE SPLINES FOUND TO BE WORN BEYOND LIMITS.SDR HEER20150130733Liner · out of positionDURING FLIGHT, MGB OIL PRESSURE BEGAN TO DECREASE. COMPLIED WITH THE LOW OIL PRESSURE EP CHECKLIST AND BEGAN TO FLY NORTH. MGB PRESSURE CONTINUED TO SLOWLY DECREASE. AS THE PRESSURE APPROACHED 22-23 , A NORMAL LANDING WAS MADE AND THE ACFT WAS SHUTDOWN. NOSDR 2015FA0000049Scissors · unserviceableINSTALLED THE O/H SCISSORS LINK AND WAS NOTIFIED BY THE CUSTOMER THAT ON A ROUTINE ALF CHECKS, ON THE ROTATING SCISSORS LINK THAT ABLE ENGINEERING HAD RE-BUSHED AND REFINISHED AT CONSIDERABLE COST AND DELAY, THE UPPER ATTACHMENT TO MAST FITTING EXHIBITED SOME SDR CA141212007Bearing Race · out of alignment(CAN) UPON DISASSEMBLY MAINTENANCE ENGINEER NOTICED WITNESS MARK MOVED. THE OUTER RACE MOVED ON MAST .1250" APPROXIMATELY WHERE ALIGNMENT MARK IS RACE TURNED ON MAST.SDR CA141218024Mast · corroded(CAN) MAST CORRODED AFTER 31 HOURS AND ABOUT 2 WEEKS IN SERVICE.SDR CA141210006Tie · missing(CAN) LOWER TYWRAP HOLDING SWASHPLATE BELLOWS FOUND MISSING ON POST FLIGHT INSPECTION THAT WAS INSTALLED IAW ASB-BO-105-40A-107R1.SDR 1XLA2015041300001Bearing · flakingUPON POST FLIGHT INSPECTION, THERE WAS A NOTICEABLE CLICKING COMING FROM THE MAST AREA. THE AIRCRAFT WAS GROUNDED AND THE SWASHPLATE WAS REMOVED FOR INSPECTION. UPON DISASSEMBLY, THE OUTER RACE ON THE LOWER SWASHPLATE BEARING WAS FOUND TO BE MISSING 3 INCHESSDR CA141120016Washer · failed(CAN) UPON DISASSEMBLY FOR SCHEDULED INSPECTION, FOUND 2 OF THE 4 ROTATING SWASHPLATE DRIVE LINKAGE FRICTION WASHERS SHATTERED.SDR CA141109002Scissor Link · scored(CAN) SCORING ON DRIVE LINK AND BUSHING.SDR CA141030006Scissor Link · seized(CAN) MALE BUSHING, SEIZED INTO THE FEMALE BUSHING ON THE SCISSOR LINK BLOCK. THE PARTS IN QUESTION HAVE BEEN REMOVED FROM SERVICE AND QUARANTINED AND THE SCISSOR LINK BLOCK IS GOING TO BE SENT TO MFG TECHNICAL REP IAW HIS REQUEST. THE SCISSOR LINK BLOCK HAD SDR CA141106002Tie · missing(CAN) LOWER TIE WRAPS HOLDING SWASH PLATE BELLOWS FOUND MISSING ON POST FLIGHT INSP. THAT WERE INSTALLED IAW ASB BO 105 40A 107.SDR 2014FA0000449Scissor Link · damagedWE HAVE FOUND A SCISSOR LINK, H-BLOCK, DURING ALF INSPECTION TO HAVE DISBONDED BUSHINGS. THIS IS A LOW HOUR SCISSOR LINK, AND THERE MAY BE A ISSUE WITH THE REPAIRS BEING PERFORMED ON THESE LINKS. POSSIBLE CAUSE IS THE BUSHING SPECIFICATIONS DO NOT MEET THE STSDR HCMA201407170001Bolt · looseTHE DIGITAL NR READING WAS FLUCTUATING IN FLIGHT. AFTER TROUBLESHOOTING OF THE NR PICKUP ON THE NR GAUGE, IT WAS DECIDED TO INSPECT THE PHONIC WHEEL FOR SECURITY. UPON REMOVAL OF THE EPICYCLIC, IT WAS FOUND THAT SIX ATTACHMENT BOLTS, 2 WERE TORQUED TO 100 INSDR CA140710003Torque Tube · sheared(CAN) DURING A NORMAL APPROACH OF 75% TORQUE THE PILOT NOTICED THE MAST TORQUE INCREASE TO OVER 110% WHILE THE ENGINE TORQUES REMAINED UNCHANGED. HE LANDED IN A FIELD 10 MILES SOUTH AND CALLED IN THAT HE HAD AN OVERTORQUE. THE MONO POLE SENSOR, SIGNAL CONDITIOSDR CA140714004Journal · spalled(CAN) AFTER REMOVAL OF MAST ASSY, TECH DISCOVERED SPALLING AT THE LOWER MAST JOURNAL AREA. MAST WILL BE SENT TO MFG FOR FURTHER INVESTIGATION.SDR CA140702013Bushing · seized(CAN) THE ROTATING SCISSOR ASSLY HAS 2 MAIN PARTS, THE SCISSOR LINK BLOCK PN C623A2005103 AND THE BUSHINGS, PN MM2599973, 4 EA. ON A DAILY CHECK IT WAS DISCOVERED THAT ONE OF THE BUSHINGS WAS SEIZED INTO THE SCISSOR LINK BLOCK. AFTER REMOVAL THE SEIZURE WAS COSDR QMLA2014051114055Swashplate · damagedUPON PREFLIGHT OF ACFT, RUBBER & METAL SHARDS WERE OBSERVED PROTRUDING FROM M/R SWASH PLATE. ACFT WAS REMOVED FROM SERVICE & TRAILERED TO MX. UPON FURTHER INSPECTION OF SWASH PLATE & REMOVAL OF GREASE COVER FROM SWASH PLATE, METAL SHARDS WERE CAUSED BY THE MSDR CA140507003Clamp · broken(CAN) DURING A MAIN TRANSMISSION CHANGE THE ENGINEER REMOVED THE BELLOWS, PN 105-10113.05, UPPER SWASHPLATE BOOT, TO REINSTALL ON THE REPLACEMENT TRANSMISSION. WITH THE BOOT REMOVED, THE ENGINEER NOTICED DEBRIS ON THE UPPER SURFACE OF THE SWASHPLATE. LOOKINGSDR AC2A201402200001Bearing · dislodgedON DAILY POST FLIGHT INSPECTION, IT WAS DISCOVERED THAT ONE OF THE ROTATING SCISSORS WAS NOT CONNECTED TO THE SWASHPLATE. BEARING HAD COME OUT OF THE RACE.SDR CA140218008Spacer · loose(CAN) ACFT WAS HAVING ROTOR RPM FLUCTUATION INDICATION TROUBLES IN FLIGHT. TROUBLESHOOTING THIS PROBLEM LED TO AN INDICATION ISSUE. REPLACED THE NR/N2 INDICATOR. WENT FOR A TEST FLIGHT AND FOUND THIS, RPM IS GOOD ON THE GROUND, BUT WHEN YOU PULL IN POWER FORSDR AC2A2013120500133Mast · corrodedMAIN GEARBOX CHIP LIGHT ILLUMINATED DURING INBD FLIGHT. DURING MAINTENANCE INSPECTION ON GROUND, FOUND METAL PARTICALS ON CHIP PLUG.SDR CA131121008Shield · torn(CAN) WHILE COMPLYING WITH REQUIREMENTS OF CAMPAIGN NOTICE 351-63-00-025 ON TO DETERMINE THE MINIMUM GAP OF SHIELD TO MAST, THE MINIMUM GAP WAS FOUND TO BE CORRECT. THE SHIELD WAS FOUND TO BE ROLLED UP INTO THE OUTER BOOT AND LOTS OF BLACK SHREDDED RUBBER WASSDR CA130826008Lock Plate · cracked(CAN) LOWER BEARING LOCK PLATE FOUND CRACKED AND DISLODGED, JAMMING INTO SHAFT SPLINES. 1 LOOP OF LOCKWIRE, NON-O/H SHOP, MISSING AT LOCKING FEATURE LOCATION.SDR CA130813006Support · mismanufactured(CAN) UPON REMOVAL OF THE NEW SUPPORT, PN 204-011-404-125 FROM THE PACKAGING THE PART DISPLAYED THE FOLLOWING: SEVERAL AREAS WHERE MACHINING WAS NOT COMPLETE. TOOLING MARKS WERE EVIDENT IN SEVERAL AREAS. THE CASTING DISPLAYED VOIDS, POROSITY AND MATERIAL FSDR CA131022003Swashplate · damaged(CAN) DURING A 100 HR INSPECTION, WE HAVE FOUND THAT 2 ALLEN BOLTS FROM THE SWASHPLATE WAS CHAFING ON THE SLIDER TUBE. THE DAMAGE WAS LOCATED ON THE FORWARD FACE OF THE TUBE. FOUND THAT THIS CONDITION HAPPEN DURING FLIGHT CONTROLS CHECK WITH THE COLLECTIVE USDR YTRA52117/175/178Mast · mismanufacturedMAST POLE MFG INCORRECTLY. SCALLOP FOR DRIVE LINK THROUGH BOLT MACHINED IN WRONG LOCATION.SDR ULXR201306040001Mast · mismanufacturedMAIN ROTOR MAST INCORRECTLY MANUFACTURED. SWASHPLATE AND MAIN ROTOR HUB PITCH HORNS DO NOT LINE UP CORRECTLY.SDR YTRA2013073000001Mast · mismanufacturedMAST POLE MANUFACTURED INCORRECTLY. SCALLOP FOR DRIVE LINK THROUGH BOLT MACHINED IN WRONG LOCATION. MAST POLE HAS 44 RIN.SDR YTRA2013032613085Mast · mismanufacturedON INSPECTION NOTED THAT PC LINKS WERE NOT PROPERLY ALIGNED. IN THE COURSE OF THE INVESTIGATION NOTED THAT MAST POLE MASTER SPLINE AND DRIVE LINK COLLAR SET NOTCH WERE NOT AT THE CORRECT ANGULAR ORIENTATION. REMOVED MAST POLE AND CONTACT BHT.SDR CA130215006Bushing · scored(CAN) ROTATING SCISSOR ASSY. DURING INSPECTION BUSHING FOUND SCORED. 20 HRS TOTAL TIME ON BUSHING.SDR CA121120012Drive Shaft · damaged(CAN) MAIN DS WAS REMOVED FOR INSPECTION. THE ATTACHING HARDWARE WAS FOUND LOOSE ON INNER COUPLING. AFTER INVESTIGATION NUTS FOUND TO HAVE ZERO DRAG, TORQUE ON THE AFFECTED BOLTS. BOLTS APPEARED TO BE IN SERVICEABLE CONDITION BUT WHEN NUTS TRIED ON "NEW" BOSDR CA121115010Mast · separated(CAN) THE PILOT HAD JUST DEMONSTRATED A SUCCESSFUL AUTO-ROTATION FOR THE EXAMINER, WHEN SITTING ON THE GROUND AT IDLE, WHEN SUDDENLY THE HELICOPTER BEGUN TO VIBRATE. THE VIBRATION CEASED FOR 5 SECONDS, THEN CAME BACK STRONG, AT THIS TIME, THE ENGINE WAS IMMEDISDR CA121029009Mast · damaged(CAN) DURING ROUTINE INTERNAL MAST CORROSION, INTERNAL DAMAGE WAS FOUND 1.5" TO 2" FROM THE TOP OF THE MAST, INTERNALLY. LPI AND MPI COMPLETED AND TESTED OK BUT MAST WAS REJECTED DUE TO VISUAL DAMAGE.SDR CA121010007Swashplate · worn(CAN) TTAF 4149.5, ROD END PAL NUT WEARING INTO THE SWASH-PLATES EAR. AN ENGINEER HAD INDICATED THAT HE FOUND 2 SEPARATE HELICOPTERS WITH THE PAL NUT ON 1 OF THE 2 FORWARD VERTICAL PUSH-PULL TUBES WEARING INTO THE LOWER SIDE OF THE SWASH-PLATE EAR. WE DID A SDR CA121010006Swashplate · worn(CAN) TTAF 3623.5 ROD END PAL NUT WEARING INTO THE SWASH-PLATES EAR. AN ENGINEER HAD INDICATED THAT HE FOUND 2 SEPARATE HELICOPTERS WITH THE PAL NUT ON 1 OF THE 2 FORWARD VERTICAL PUSH-PULL TUBES WEARING INTO THE LOWER SIDE OF THE SWASH-PLATE EAR. WE DID A FSDR CA120920005Mast · out of adjust(CAN) PILOT REPORTED EXPERIENCING "MAST ROCKING" IN FLIGHT. INCREASING POWER ELIMINATED THE SYMPTOMS AS DESCRIBED BY THE PILOT: DURING CRUISE FLIGHT AT 80 KNOTS ENCOUNTERED A SLIGHT HUMP, NOSE UP/DOWN MOTION, THAT INCREASED AS COLLECTIVE LOWERED BELOW 15" MANSDR CA120807001Bearing · failed(CAN) DURING 100HR INSPECTION, METAL FOUND ON ALL 3 M/R TRANSMISSION MAGNETIC CHIP DETECTORS. NOT ENOUGH METAL FOR A COCKPIT CHIP INDICATION. METAL ALSO FOUND IN M/R GEARBOX OIL FILTER. TRANSMISSION ASSY AND MAST ASSY REMOVED FOR INSPECTION, M/R MAST BEARINSDR CA120912011Grease Fitting · failed(CAN) IT WAS REPORTED THAT THE BALL AND SPRING OF 1 OF THE SWASHPLATE GREASE FITTINGS LEFT THE FITTING AND LOGGED IN THE SWASHPLATE BEARING CAUSING A PREMATURE WEAR AND REMOVAL OF THE PART. BLACK MUD WAS COMING OUT WITH THE GREASE.SDR 2012FA0000452Mast · corrodedCORROSION FOUND ON AREA "E" OF MAIN ROTOR MAST, WITH PITTING BELOW THE THREADED AREA CAUSING THE MAST TO BE REMOVED FROM SERVICE. CORROSION FOUND WHILE PERFORMING A 3000 HR INSPECTION. TOTAL TIME AND CYCLES ON THIS MAST ARE UNKNOWN AT THE TIME OF THE REPORT.SDR CA120622002Guide · damaged(CAN) THE SELF-LUBRICATING TAPE ON THE SWASH PLATE GUIDE, STOVE PIPE, PN 350A37-1181-01 WAS FOUND TORN & BALLED UP INSIDE THE JOINT BALL, UNIBALL, PN 350A37-1D74-21. THE STOVE PIPE WAS FOUND TO HAVE WORN FROM CONTACT WITH THE UNIBALL TO A MAXIMUM DEPTH OF 0.0
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