JASC 6320
Service difficulty reports · 1,930
Reports filed under 6320 · Main Rotor Gearbox, 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 = '6320' 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 = '6320' 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 QMLA2019082069070Chip Detector · false indicationMGB CHIP LIGHT ILLUMINATED IN CRUISE FLIGHT ABOUT 8 MINUTES FROM DESTINATION HOSPITAL. DECLARED EMERGENCY WITH APPROACH CONTROL AND NOTIFIED THEM OF CHIP LIGHT AND LANDED CLOSE TO CURRENT POSITION. MAINTENANCE FOUND A DEFECTIVE CHIP DETECTOR GIVING FALSE INDISDR CA190807011Gearbox · making metal(CAN) PRELIMINARY REPORT: RECEIVED MAIN ROTOR GEARBOX CHIP SUMP CAUTION ALERTING SYSTEM DURING FLIGHT . CHIP BURNER WAS UTILIZED TO BURN 3 SEPARATE INDICATIONS 4TH CHIP LIGHT APPEARED AS AIRCRAFT WAS TAXING IN. RECTIFICATION: 1. CHIP DETECTORS INSPECTED AND MSDR QMLA2019081471968Gearbox · making metalDURING AAIP INSPECTION 50HR/30 DAY CHIP PLUG INSPECTION, FOUND METAL PARTICLES ON BEVEL REDUCTION GEARBOX CHIP DETECTOR PLUG. DUE TO SIZE AND COMPOSITION OF THE PARTICLES, AIRBUS RECOMMENDED REMOVAL AND REPLACEMENT OF BEVEL REDUCTION GEARBOX AND EPICYCLIC REDUSDR CA190807003Gearbox · damaged(CAN) MAIN ROTOR GEARBOX REQUIRED TO RESOLVE MAIN GEARBOX BORE HOLE OVERSIZED. MAIN GEARBOX INSTALLED AS PER AMP 39-B-63-20-00-00A-720A-K. (TC# 20190807003)SDR CA190726033Pinion Gear · spalled(CAN) DURING INSPECTION OF TWO SEPARATE S92 MGB PN 92351-15100-050 SPALLING WAS FOUND ON PINION PN 92351-15171-041/-042. PINION GEARS ARE ON CONDITION INSPECTION WITH NO LIFE LIMIT. TBO OF MGB IS 6000 HOURS. MGB PN 92351-15100-050 TOTAL TIME OF PINIONS WERE 4SDR YV3R201908022153Gearbox · failedCUSTOMER REPORTED INTERNAL GEARBOX P/N: C006-8 FAILURE AT INPUT BEARING.SDR CA190704005Gearbox · making metal(CAN) MAIN GEARBOX SUMP CHIP, ACTIVATED CHIP BURNER 3X. WITH NO SUCCESS. HAD CHIP ON START UP. (TC# 20190704005)SDR CA190627012Bearing · crackedIT WAS REPORTED THAT THE PILOT, WHILE PERFORMING A PREFLIGHT INSPECTION, DISCOVERED THAT THE MAGNETIC PLUG ON THE SUBJECT MAIN ROTOR SHAFT ASSEMBLY WAS MECHANICALLY DAMAGED AND BENT. THE AIRCRAFT WAS IMMEDIATELY GROUNDED FOR INVESTIGATION. PRELIMINARY INSPECSDR CA190626013Lock · broken(CAN) AFTER TAKE OFF MGB CHIP LIGHT ILLUMINATED, PILOT RETURNED TO LANDING PAD, CHIP PLUGS WERE INSPECTED, MAST CHIP DETECTOR WAS BROKEN OFF. (TC# 20190626013)SDR CHIR20195273948Housing · crackedTHE MAINTENANCE CREW REMOVED THE AFT TRANSMISSION DUE TO AN OIL LEAK AND DISCOVERED A CRACKED FWD R/H MOUNT LUG. COMPONENT RECEIVED AT THIS REPAIR STATION 6/7/2019 AND CONFIRMED CRACKED UPPER HOUSING. THE TRANSMISSION WAS THEN INSPECTED AND REPAIRED BY THIS RSSDR CHIA201905273948Transmission · crackedDURING RAMP CHECK, NOTICED OIL LEAK ON TOP OF AFT XMSN. SUSPECTED AFT VERTICAL SHAFT OIL SEAL. UPON REMOVAL AND FURTHER INSPECTION OF THE AFT XMSN, FOUND FWD RT MOUNT LUG CRACKED. FOUND 1 CRACK BY VISUAL INSPECTION AND CONFIRMED BY STRIPPING PAINT ON UPPER HOUSDR CA190528012Gearbox · making metal(CAN) MAIN GEARBOX BEVEL REDUCTION (MGB) CHIP LIGHT ON AIRCRAFT STARTUP, AIRCRAFT GROUNDED. DURING STARTUP PILOT NOTICED, MGB CHIP LIGHT ILLUMINATED. PILOT SHUTDOWN, AND INSPECTED ALL MGB CHIP PLUGS. THE LOWER MGB CHIP PLUG CONTAINED A LARGE CHIP. A PICTURE SDR QMLA2019050519045Chip Detector · contaminatedAFTER MAIN GEARBOX TIME CHANGE. AIRCRAFT HAD CHIP LIGHT INDICATION AND DID A PRECAUTIONARY LANDING. PULLED, 3 EACH, CHIP DETECTORS PER MAINTENANCE MANUAL. INSPECTION REVEALED, 1 EACH, SMALL SLIVER PARTICLE. CLEANED AND PERFORMED GROUND RUN. AIRCRAFT RETURNED TSDR YV3R2019012200076Sump · leakingCUSTOMER REPORTED MAIN ROTOR GEARBOX SUMP P/N: C264-2 HAD A PIN HOLE LEAK IN CASTING.SDR BHHR20190607001Housing · crackedA CRACK WAS FOUND IN TRANSMISSION LOWER HOUSING JUST BELOW THE CYCLIC BELLCRANK BRACKET P/N 33031 MOUNTING FACE. THE CRACK WAS LOCATED IN THE AFT LOWER MOUNTING BOSS FOR THE CYCLIC BRACKET IN THE FILLET OF THE LOWER HOUSING. SEE ATTACHED PICTURES. CORRECTIVE ASDR QMLA2019042271939Pressure Switch · failedSHORTLY AFTER DEPARTURE PILOT RECEIVED "XMSN OIL PRESSURE" WARNING LIGHT ALONG WITH AN INCREASE IN INDICATED PRESSURE. PERFORMED PRECAUTIONARY LANDING AND MAINTENANCE REPLACED THE TRANSMISSION OIL PRESSURE SWITCH. TRANSMISSION OIL PRESSURE RETURNED TO NORMAL ASDR YV3R2019040522063Wheel · looseCUSTOMER REPORTED FANWHEEL , HUB AND ATTACHMENT HARDWARE WERE FOUND LOOSE.SDR QMLA2019040299033Bevel Gear · corrodedWHILE PERFORMING 600HR INSPECTION THE TRANSMISSION WAS PULLED OFF THE AIRCRAFT TO PERFORM AIRBUS ASB AS350-62.00.42 REV.0 DATED 17-SEPT-2018(AIRMETHODS E) 00-6200-EO-2626)THE MAST INSPECTION WAS PERFORMED AND THE MECHANIC NOTICED CORROSION AND PITTING ON THE SDR CA190318009Gearbox · making metal(CAN) DEFECT: METAL FLAKES FOUND ON #2 SUMP CHIP PLUG. RECTIFICATION: 1. CHIP PLUGS REMOVED AND CLEANED FROM METAL FLAKES. DUMMY ACTUATOR REMOVED FOR FURTHER INVESTIGATION. 2. LEONARDO PSE DETERMINED METAL FOUND WARRANTED MGB REPLACEMENT. MGB REMOVED AND UNDRESDR CA190312014Gearbox · making metal(CAN) FLIGHT CREW RECEIVED A MASTER CAUTION LIGHT WARNING ADVISING THEM OF METAL CHIP DETECTION ON #2 INPUT MODULE GEAR BOX. AIRCRAFT RETURNED TO BASE. CHIP DETECTORS, STRAINERS, AND FILTERS VERIFIED. FOUND METAL PARTICLES ON #2 INPUT MODULE GEAR BOX AND MAIN SDR CA190215003Bevel Gear · broken(CAN) IT WAS REPORTED TO BELL (IN 2 STEP): -FEB 12TH:CUSTOMER HAD A CHIP LIGHT EVENT IN FLIGHT, CLEANED THE CHIP DETECTORS, REPLACED THE OIL AND FILTER, AND PERFORMED A PENALTY RUN. THE AIRCRAFT THEN DEPARTED AND LANDED BECAUSE OF A SECOND CHIP EVENT, ROUGHLY SDR QMLA2019021169017Bearing · damagedPILOT STATES HE WAS CRUISING AT 78-80% TQ @ 2000FT. TRANSMISSION WAS IN THE GREEN. CHIP INDICATOR CAME ON AND IMMEDIATELY WENT OUT. THEN 30 SECONDS LATER IT CAME ON AGAIN AND STAYED ON. PILOT THEN DIVERTED. DURING LANDING HOVER, LIGHT WENT OFF AGAIN. THEN AS TSDR QMLA201902059015Gearbox · making metalTRANSMISSION CHIP LIGHT. FOUND CHIPS ON THE UPPER AND LOWER DETECTOR. SECOND EVENT IN LESS THAN 10 FLIGHT HOURSSDR 2018FA0000529Bearing · corrodedOUT OF BOX FAILURE OF UPPER BEARING IN MAIN ROTOR GEARBOX TOTAL TIME 67 HOURS AND CALENDAR TIME OF 18 MONTHS SINCE MANUFACTURE. APPEARS TO BE CONTAMINATION OF GREASE IN THE BEARING BY PRIMER OR PAINT CAUSING CORROSION AND LUBRICATING GREASE FAILURE WITH POSSIBSDR QMLA2018112868126Plate · crackedTRANSMISSION TORQUE PLATES FOUND CRACKED DURING EDDIE CURRENT INSPECTION.SDR DCGA201811200487Chip Detector · shortedDURING A PREFLIGHT INSPECTION THE PILOT NOTICE A MAIN ROTOR GEARBOX DIMMLY ILLUMINATED CHIP LIGHT. MAINTENANNCE DISCOVERED AND INTERNAL SHORT IN THE CHIP DETECTOR AND REPLACED WITH SERVICABLE.SDR QMLA2018101618113Chip Detector · activatedXMSN OIL CHIP (YELLOW CAUTION LIGHT) ILLUMINATED IN FLIGHT. IN ACCORDANCE WITH THE RFM SUPPLEMENT PAGES, ATTEMPTED TO EXTINGUISH THE CAUTION LIGHT WITH MOMENTARY ACTIVATION OF THE "CHIP BURNER" SWITCH. CAUTION LIGHT REMAINED ILLUMINATED. IN ACCORDANCE WITH SDR QMLA2018101118110Mount · crackedDURING PREFLIGHT INSPECTION, FOUND RIGHT HAND TRANSMISSION MOUNT ASSEMBLY P/N 230-031-619-101 CRACKED AT THE EAR FOR THE LATERAL ISOLATION MOUNT ATTACH POINT.SDR DCGA2018FA0000398Gearbox · making metalDURING A POST MAINTENANCE OPERATIONAL CHECK FLIGHT THE MAIN ROTOR GEARBOX CHIP LIGHT ILLUMINATED. A PIECE OF METAL WAS FOUND ON THE CHIP PLUG. THE TRANSMISSION WAS REMOVED AND A SERVICABLE TRANSMISSION WAS INSTALLED.SDR CA180822008Transmitter · faulted(CAN) TRANSMISSION OIL PRESSURE SENDER FAILURE ON START UP. PRESSURE WARNING SWITCH FUNCTIONING. THIS IS THE SECOND FAILURE OF THIS PRESSURE SYSTEM IN 2133 HRS. (TC# 20180822008)SDR 2018FA0000303Bevel Gear · wornDURING ROUTINE MAINTENANCE / MODIFICATION IT WAS VISUALLY NOTED THAT THERE WAS AN ABNORMAL WEAR PATTERN ON THE SPIRAL BEVEL GEAR INSIDE THE MAIN ROTOR TRANSMISSION ASSY P/N 412-040-007-101 S/N BH282157. TECHNICAL SUPPORT WAS CONTACTED, AND VERIFIED THE ABNORMASDR CA180723016Monitor · cracked(CAN) DURING SCHEDULED MAINTENANCE, THE TRANSMISSION OIL MONITOR HOUSING WAS REMOVED TO INSPECT THE SCREEN FOR CONTAMINATION. UPON REMOVAL OF THE O-RING FROM THE TRANSMISSION OIL MONITOR IT WAS DISCOVERED THAT THERE WAS CRACKING AROUND THE MOUNTING FLANGE OF SDR AC2A201807109201Gearbox · crackedDURING THE 375 HOUR REPLACEMENT OF THE MGB LUBE PUMP VESPEL SPLINE ADAPTER ON THE NR 2 SIDE, THE UPPER STUD WAS BROKEN. AFTER FURTHER INVESTIGATION OF THE R/H MGB LUBE PUMP UPPER STUD AREA WE DISCOVERED CRACKING OF THE CASE AROUND THE BASE OF THE STUDSSDR CHIR201806303378Transmission · making metalON DEPARTURE THE XMSN CHIP LIGHT ILLUMINATED. THE AIRCRAFT RETURNED TO THE LANDING FOR FURTHER INSPECTION, WITH NO FURTHER ISSUES. THE AFT TRANSMISSION CHIP DETECTOR WAS INSPECTED, AND CHIPS WERE NOTED. THE TRANSMISSION WAS REMOVED AND REPLACED.SDR 2018F00079Line · crackedMAIN ROTOR GEARBOX EMERGENCY OIL LINE WAS LOSING OIL CAUSING INDICATION OF LOW GEARBOX OIL PRESSURE. THIS WAS CAUSE FOR AN EMERGENCY LANDING.SDR KBTR2019012800004Bracket · crackedDURING 3600 HOUR OVERHAUL FOUND BRAKE CALIPER MOUNTING BRACKET CRACKED, STARING AT LOWER CENTER CORNER EXTENDING AROUND BOLT HOLE ON BOTH SIDES. NO OBVIOUS SIGNS OF WHAT STRESSES CAUSED THE CRACK, NOR ANY INDICATION OF AN INDECENT.SDR KBTR2019012800003Bracket · crackedDURING 3600 HOUR OVERHAUL FOUND BRAKE CALIPER MOUNTING BRACKET CRACKED, STARING AT LOWER CENTER CORNER EXTENDING AROUND BOLT HOLE ON BOTH SIDES. NO OBVIOUS SIGNS OF WHAT STRESSES CAUSED THE CRACK, NOR ANY INDICATION OF AN INDECENT.SDR KBTR2019012800002Bracket · crackedDURING 3600 HOUR OVERHAUL FOUND BRAKE CALIPER MOUNTING BRACKET CRACKED, STARING AT LOWER CENTER CORNER EXTENDING AROUND BOLT HOLE ON BOTH SIDES. NO OBVIOUS SIGNS OF WHAT STRESSES CAUSED THE CRACK, NOR ANY INDICATION OF AN INDECENT.SDR KBTR2019012800000Bracket · crackedDURING 3600 HOUR OVERHAUL FOUND BRAKE CALIPER MOUNTING BRACKET CRACKED, STARING AT LOWER CENTER CORNER EXTENDING AROUND BOLT HOLE ON BOTH SIDES. NO OBVIOUS SIGNS OF WHAT STRESSES CAUSED THE CRACK, NOR ANY INDICATION OF AN INDECENT.SDR KBTR2019012800001Bracket · crackedDURING 3600 HOUR OVERHAUL FOUND BRAKE CALIPER MOUNTING BRACKET CRACKED, STARING AT LOWER CENTER CORNER EXTENDING AROUND BOLT HOLE ON BOTH SIDES. NO OBVIOUS SIGNS OF WHAT STRESSES CAUSED THE CRACK, NOR ANY INDICATION OF AN INDECENT.SDR QMLA2018040718042Warning Light · false activationWHILE ENROUTE, THE TRANSMISSION CHIP LIGHT ILLUMINATED APPROXIMATEDLY FIFTEEN MINUTES INTO THE FLIGHT. STAYED ON FOR ABOUT 15 SECONDS BEFORE GOING OUT. CAME BACK AND OUT THREE MORE TIMES BEFORE LANDING. THE TRANSMISSION TEMPERATURE AND OIL PRESSURE REMAISDR CHIR201804103241Clutch · failedDURING EVENING SHUTDOWN PRIOR TO SCHEDULED REMOVAL OF AFT XMSN(DUE FOR QUILL SHAFT INSPECTION) PILOT NOTICED THE NR DID NOT DROP LIKE NORMAL. GROUND MAINTENANCE VISUALLY SAW THE NR 2 ENG/MIX BOX WAS NOT DISCONNECTING IN A NORMAL MANNER. R&R AFT XMSN PER ORIGINSDR CHIR201804103237Seal · damagedDURING AN "A" INSPECTION, TWO METAL PARTICLES WERE DISCOVERED IN THE AFT TRANSMISSION OIL FILTER. THESE METAL PARTICLES ARE IDENTIFIABLE AS BROKEN SEAL TANGS. TRANSMISSION WAS REPLACED AND RETURNED TO CHIR823C. AFT TRANSMISSION WAS REPAIRED. ALL ASSOCIATED DISSDR CHIR2018041000001Idler Assy · wornDURING COAST DOWN AT THE END OF DAY, HEARD AN ABNORMAL CLICKING NOISE COMING FROM THE NR 1 HIGH SPEED SHAFT. THE PILOTS REPORTED THE NR 1 NF STAYED WITH THE NR DURING COAST DOWN WHILE NR 2 NF INDICATION SPLIT OFF. ON FURTHER INVESTIGATION, FOUND THE NR 1 CLUTCSDR AC2R2018042002Bearing · contaminatedOIL COOLER FAN BEARING CONTAMINATED.SDR QMLA2017121917139Transmission · making metalTWO MAIN TRANSMISSION CHIP INDICATIONS 35 HOURS APART REQUIRING PINION AND BEVEL GEAR INSPECION PER AIRBUS ASB EC135-63A-012. FOUND PITTING ON #1 BEVEL GEAR THAT WAS BEYOND LIMITS. THIS AIRCRAFT REMAINS OUT OF SERVICE AT THE TIME OF THIS SUBMISSION AWAITING A SDR CHIR2017120300000Housing · crackedSUPPLEMENTAL INFORMATION TO CHIR20171203 AND WILL REQUIRE FURTHER PROCESSING BY THE SDR/SIT QUALITY CONTROL GROUP REFERENCING A TELECON ON 3/12/2019. DISASSEMBLY OF COMBINING GEARBOX REVEALED THAT IN ADDITION TO BROKEN CONNECTOR, THE GEARBOX AND PINION GEAR SUSDR QMLA2017112617131Line · looseAFTER TAKEOFF, NOTICED MAIN GEARBOX OIL PRESSURE DROPPING BUT INITIALLY STAYING IN ACCEPTABLE RANGE WITH NO SIGNIFICANT INCREASE IN TEMPERATURE. FLIGHT CONTINUED FOR A FEW MINUTES AND THEN PRESSURE DROPPED TO WARNING INDICATION LEVEL. EXECUTED AN UNSHEDULED SDR QMLA2017110817121Transmission · making metalPILOT HAD A TRANSMISSION CHIP LIGHT DURING CRUISE AND LANDED. MAINTENANCE INVESTIGATED THE CHIP DETECTOR AND FOUND 3 TYPES OF PARTICLES. IAW MM 63-00-00, PAGE 29 THE FIRST TYPE OF PARTICLES WERE TINY WHISKER LIKE PARTICLES INSIGNIFICANT, THE SECOND WERE THE ISDR 8LFA20171025001Gearbox · failedDURING A MAINTENANCE FLIGHT, MAIN GEAR BOX CHIP ILLUMINATED. AIRCRAFT RETURNED TO ORIGINAL DEPARTURE WITHOUT FURTHER INCIDENT. MAIN GEARBOX HAD .2 HOURS SINCE REPAIR.
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