Messerschmitt-Bolkow-Blohm BO-105C
Service difficulty reports · 111
Newest first. General aviation reporting is voluntary.
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 aircraft_model_key = 'BO105C' 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 aircraft_model_key = 'BO105C' 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 CA120305004Element · failed(CAN) HEATER SYS WAS PLUGGED IN AND A ODOR OF BURNING PLASTIC/WIRE WAS SMELLED AND THE 7.5A BREAKER POPPED. UNIT UNPLUGGED UPON RETURN THE NEXT DAY TO BASE THE TRANSMISSION PAD, PLUG WAS FOUND TO BE IN A MELTED STATE. THE ACFT WAS PLACARDED AS TANIS HEATER, SDR CA060216002Caliper · binding(CAN) PISTON DOES NOT RETRACT INTO CALIPER HOUSING AFTER BRAKING CAUSING ROTOR BRAKE PAD TO REMAIN IN CONTACT WITH BRAKE DISC. (TC NR 20060216002)SDR CA040712003Bearing Race · spalled(CAN) TRANSMISSION SENT FOR OVERHAUL DUE TO METAL CONTAMINATION DETECTED WITH A CHIP LIGHT INDICATION. AFTER DISSASSEMBLY BEARING OUTER RACE FOUND TO HAVE SPALLING DAMAGE.SDR ERAA097116Oil Cooler · contaminatedOIL COOLER RETURNED FROM OVERHAUL AT DRAKE AIR WITH DEBRIS AND FOREIGN OBJECTS (GRASS) IN BETWEEN COOLING FINS AND CASE. RETURNING ON ERA REPAIR ORDER RW-900233 REQUESTING WARRANTY REPAIR.SDR ERAA097085Transmission · making metalFOUND UNACCEPTABLE AMOUNTS OF ALUMINUM, BRONZE AND METAL FLAKES IN OIL FILTER. BUSHINGS MISSING IN INTERMEDIATE SHAFT BOLT HOLE BORES. NO DRY LUBE ON BEVEL GEARS, BEVEL GEARS SWITCHED SIDES ON LAST O/H, LT PINION AND BEVEL GEAR SCRAPPED (TEETH BREAKING DOWN)SDR CA030918001Washer · missing(CAN) AFTER INSTALLATION OF TURBINE ASSEMBLY ON ENGINE, GROUND RUNS WERE BEING DONE. OIL WAS NOTICED LEAKING EXCESSIVELY FROM THE NR 6 & 7 OIL PRESSURE TEE FITTING. UPON DISASSEMBLY OF FITTING, IT WAS NOTICED THAT THE CRUSH WASHER PN MS9372019 WAS MISSING BETWSDR CA030903002Manifold · failed(CAN) THE INDICATOR LIGHT FOR THE NR 1 HYD SYS WILL NOT EXTINGUISH WHEN POWERED BY THE HYDRAULIC CART NOR WILL THE RESERVOIR DRAIN INTO THE HYDRAULIC CART. (SUSPECT THE TEST SCREW ORIFICE IN THE VALVE BODY IS PLUGGED). THE HYDRAULIC POWER PACK ASSEMBLY WAS REPSDR CA030724001Solenoid · shorted(CAN) WHEN CARGO HOOK ELECTRICAL RELEASE IS ACTIVATED THE SYSTEM CIRCUIT BREAKER OPENS. FOUND ELECTRICAL SOLENOID INTERNALLY SHORTED.SDR CA030605013Bolt · loose(CAN) DURING INSPECTION TO COMPLY WITH AIRCRAFT SERVICES CAMPAIGN NOTICE 351-73-20-12 THE BOLT CONNECTING THE N2 CONTROL CABLES TO THE N2 LEVER ASSEMBLY WAS FOUND TO HAVE A LOW DRAG TORQUE IN THE NUT-PLATE.A NEW BOLT WAS INSTALLED & DRAG TORQUE WAS DETERMINED SDR CA030602006Bolt · wrong part(CAN) WHILE COMPLYING WITH FLEET CAMPAIGN NOTICE 351-73-20-12 IT WAS FOUND THAT THE BOLT CONNECTING THE TWO N2 GOVERNOR CABLES TOO THE HYD PACK WAS TOO SHORT, ONLY ONE THREAD WAS SHOWING THROUGH THE ANCHOR NUT. A NEW BOLT WAS INSTALLED AND THE AIRCRAFT WAS RETSDR CA030602005Bolt · incorrect(CAN) WHILE COMPLYING WITH FLEET CAMPAIGN NOTICE 351-73-20-12 IT WAS FOUND THAT THE BOLT CONNECTING THE TWO NR 2 GOVERNOR CABLES TOO THE HYD PACK WAS TOO SHORT, ONLY ONE THREAD WAS SHOWING THROUGH THE ANCHOR NUT. A NEW BOLT WAS INSTALLED AND THE AIRCRAFT WAS RSDR CA030527009Shaft · sheared(CAN) ONE MINUTE AFTER TAKEOFF DURING A FLIGHT TEST FOR COMPRESSOR STALL, THE NR 2 ENGINE OVER SPEED. THE AIRCRAFT FLEW BACK TO BASE IMMEDIATELY WITH NO FURTHER INCIDENT. THE ENGINE WAS REMOVED FROM THE AIRCRAFT. WHEN THE FCU WAS REMOVED IT WAS NOTICED THAT THSDR CA030502003Bolt · loose(CAN) ON APPROACH, PILOT APPLIED COLLECTIVE PITCH AND NOTICED NR 1 TORQUE SPLIT AWAY FROM NR 2 ENG TORQUE. FURTHER APPLICATION MADE MATTERS WORSE. AFTER LANDING , MAINTENANCE PERSONNEL INVESTIGATED AND FOUND THE BOLT ATTACHING THE N2 LINKAGE TO THE AFT SIDE OSDR CA030405002Bearing · peeling(CAN) OUTPUT QUILL TAPERED ROLLER BEARING INNER RACE PEELING.SDR CA030327004Bearing · spalled(CAN) RT INPUT SPLIT INNER RACE BALL BEARING PEELING/SPALLING.VOLUME OF METAL CONTAMINATION CAUSED COLLATERAL DAMAGE TO ALL OTHER INTERNAL BEARINGS AND COMPONENTS.SDR CA030321006Stud · loose(CAN) A STUD BACKED OUT OF THE ENGINE GEARBOX AND SUBSEQUENTLY MADE CONTACT WITH A ROTATING BOLT THAT SECURES THE TRANSMISSION DRIVE SHAFT WITH THE ENGINE STUB SHAFT. NO DAMAGE RESULTED IN THIS OCCURENCE, HOWEVER THE POTENTIAL HAZARD OF A ROTATING PART CONTACTSDR ERAA085151Wire · brokenGUIDE ASSY ON DUAL HYD PACK WILL NOT RESET. FOUND BROKEN WIRES. DISASSEMBLED, CLEANED, INSPECTED, ISTALLED NEW SOCKET AND POTTED & INSTALLED NEW FLAT SPRING & TESTED. REPAIRED IAW MBB BO-105 REM 405.SDR CA030103015Governor · malfunctioned(CAN) TORQUE SPLIT OF 8 PERCENT REPORTED IN CRUISE. TEST FLIGHT REVEALED THAT BOTH GOVENORSWERE CAUSING THEIR RESPECTIVE N1 TO FLUCTUATE. BOTH GOVENORS WERE REPLACED ON BOTH ENGINES. A/C RETURNED TO SERVICE.SDR ERAA082715Governor · malfunctionedCANNOT MAKE FINE ADJUSTMENTS TO ACHIEVE MAX BEEP. UNIT HAD DROOP. CHANGE BUSHING, D BEARING, L BEARINGS, W BEARINGS, TUBE DIAPHRAGM. REPAIRED AND FUNCTIONALLY TESTED.SDR ERAA082709Sleeve · stiffTRANSMISSION SLIDING SLEEVE STIFF.SDR CA021119001Cable · broken(CAN) THE AIRCRAFT EXPERIENCED AN IN FLIGHT LOSS OF IT'S SLING LOAD. INVESTIGATION REVEALED THAT THE SWAGED END OF THE EMERGENCY RELEASE CABLE HAD COMPLETELY SEPARATED FROM THE CABLE CONDUIT. THIS PLACED THE CABLE CONSTANTLY UNDER PRELOAD .THE RESULT BEING THSDR ERAA082706Transmission · making metalTRANSMISSION MAKING METAL. OIL MANIFOLD, TEMP PLUG & SWASHPLATE DRIVE LINK BUSHING NOT INSTALLED ON TRANSMISSION. PLANETARY AXLE BREAKING DOWN. SCRAPPED 1 GEAR, 5 PLANETARY AXLES, 5 DOUBLE ROW CAGES. REMOVED TOP CASE, LT & RT INPUT PINIONS & PLANETARY, DISASDR CA030103014Fuel Control · failed(CAN) TORQUE SPLIT REPORTED OF 6 TO 8 PERCENT IN CRUISE. AFTER A TEST FLIGHT TO DETERMINE WHICH GOVENOR WAS AT FAULT IT WAS DETERMINED THAT THE FCU WAS THE CAUSE FOR THE TORQUE SPLIT. THE FCU WAS REPLACED & A/C RETURNED TO SERVICE.SDR ERAA081156Gearbox · misrepairedTAILROTOR GEARBOX HAS NO THREAD SEALANT ON STUDS. C/W PRELIMINARY INSPECTION AND FOUND NO OBVIOUS DEFECTS. SIGNED T/R G/B OUT ON HOLD BOARD. DRILLED OUT LOCKS ON 2 EA STUDS, APPLIED LOCTITE AND REINSTALLED BOTH STUDS WITH NEW LOCKS. ATTACHED ORIGINALYELLOWSDR ERAA081155Gearbox · misrepairedHOUSING RECEIVED WITHOUT THREAD SEALANT. CHECKED GEARBOX OUT ON HOLD BOARD, C/W PRELIMINARY INSPECTION. NO DEFECTS NOTED, DRILLED OUT LOCKS ON 2 STUDS, APPLIED LOCKTITE AND REINSTALLED ORIGINAL STUDS WITH NEW LOCKS. ATTACHED ORIGINAL YELLOW TAG TO GEARBOX RESDR CA020903003Track · broken(CAN) LT AFT SLIDING WINDOW TRACK BONDING FAILURE TO WINDOW PANEL WHEN TRACK BONDING FAIL THE SLIDING WINDOW FLEW AWAY FROM AIRCRAFT. BONDING OF WINDOW TRACK TO PANEL FAILED. HELICOPTER LANDED AND NO FURTHER DAMAGED.SDR CA020813009Track · debonded(CAN) LT AFT SLIDING WINDOW TRACK BONDING FAILURE TO WINDOW PANEL. WHEN TRACK BONDING FAILED, THE SLIDING WINDOW FLEW AWAY FROM THE AIRCRAFT. HELICOPTER LANDED WITH NO FURTHER DAMAGE.SDR CA020903012Bracket · deformed(CAN) THE TWO BOLTS THAT HOLDS THE TAIL ROTOR SHAFT OUTER RING BEARING TO THE BEARING BRACKET AT THE FRAME. BOLTS BECAME LOOSE OVER A PERIOD OF 40 HOURS SINCE LAST INSPECTION, BOLT HOLES BECAME ELONGATED. BEARING ASSEMBLY STARTED TO SPIN AND HIT THE TAIL ROSDR CA020813003Bracket · loose(CAN) THE 2 BOLTS THAT HOLD THE TAIL ROTOR SHAFT OUTER RING BEARING TO THE BEARING BRACKET AT FRAME 9 LT BECAME LOOSE OVER A PERIOD OF 40 HOURS FROM LAST INSPECTION AND ELONGATED THE HOLES. THE BEARING ASSEMBLY STARTED TO SPIN AND HIT THE TAIL ROTOR SHAFT COVSDR CA020715009Transmission · making metal(CAN) ONE CHIP LIGHT OCCURRENCE. CHIP PLUG AND FILTER INSPECTED AND AN EXCESSIVE AMOUNT OF MAGNETIC PARTICLES WERE FOUND. THE FILTER HAD BEEN INSPECTED 10 HRS PREVIOUSLY. THIS FAILURE IS USUALLY INDICATIVE OF A FAILED INPUT QUILL.SDR CA020718001Transmission · making metal(CAN) WHILE IN NORMAL CRUISE CONFIGURATION "MAIN TRANSMISSION" LIGHT ILLUMINATED. PILOT ACTIVATED PULSE CHIP DETECTOR SYSTEM AND LIGHT EXTINQUISHED. THE LIGHT RE-ILLUMINATED APPROX. 1.5 HOURS LATER. THE PILOT ONCE AGAIN ACTIVATED THE PULSE CHIP. DETECTOR SYSTESDR CA020627008Pump · failed(CAN) SUPPLY FUEL BOOST PUMP FAILED.SDR CA030602003Bolt · incorrect(CAN) WHILE COMPLYING WITH FLEET CAMPAIGN NOTICE 351-73-20-12 IT WAS FOUND THAT THE BOLT CONNECTING THE TWO NR 2 GOVERNOR CABLES TO THE HYDRAULIC PACK WAS TOO SHORT ONLY ONE THREAD WAS SHOWING THROUGH THE ANCHOR NUT. A NEW BOLT WAS INSTALLED AND THE AIRCRAFT WSDR CA020607004Spring · broken(CAN) DURING A OPS NR 1 ON RT ENGINE, THE SPRING P/N 105-60583.12 WAS FOUND BROKEN.SPRING WAS REPLACED WITH A NEW SPRING P/N 105-60583.12.SDR CA020530001Spring · broken(CAN) DURING OPERATION 1 ON RT ENGINE, THE SPRING (GOVERNOR LEVER RETURN SPRING) WAS FOUND BROKEN AND REPLACED WITH A NEW SPRING.SDR ERAA079871Structure · cracked90 DEGREE GEARBOX FITTING EXFOLIATED / INNER GRAINULAR CORROSION, CRACKED HORIZONTAL STABILIZER DOUBLER LEFT SIDE, SEVERAL CORRODED RIVETS & NUT PLEATER. INSTALLED NEW 90 DEGREE GEARBOX FITTING, NEW HORIZONTAL STABILIZER DOUBLER AND REPLACED ALL NECESSARY NUSDR CA020425001Exciter · failed(CAN) NO LIGHT OFF DUE TO FAULTY PART. CAN CAUSE A REAL PROBLEM IN REMOTE AREA.SDR CA011211001Drain Line · chafed(CAN) DRAIN LINE CHAFING ON FUEL CONTROL TO FUEL PUMP BYPASS TUBE P/N 6859172 TUBE IS 99 PERCENT CHAFED.SDR CA011207002Tube · chafed(CAN) DRAIN LINE CHAFING ON FUEL CONTROL TO FUEL PUMP BY PASS TUBE IS 99 PERCENT CHAFED.SDR DFM2001F00000Switch · intermittent25 MINUTES INTO REPOSITIONING FLIGHT NR 1 ENGINE N1 DECREASED SLOWLY. ATTEMPT TO REGAIN OPERATING NR 1 UNSUCCESSFUL. PILOT INITIATED SINGLE ENGINE PROCEDURES TO A SUCCESSFUL SINGLE ENGINE LANDING. NO AIRCRAFT DAMAGE, NO PERSONAL INJURIES. TROUBLESHOOTING TSDR CA011105016Gearbox · making metal(CAN) ON ENGINE START UP - PILOT REPORTED MGB CHIP LIGHT ON, PULSED OFF AND 4 SECONDS LATER LIGHT BACK ON. ENGINE SHUT DOWN, MAG PLUG PULLED 2 SMALL FLAKED AND SOME FUZE ON PLUG. FINE OIL FILTER REMOVED AND FOUND TO BE CONTAMINATED WITH NUMEROUS, VARIOUS SIZEDSDR EHA2001F00004Attach Fitting · crackedCRACK DISCOVERED IN TAIL ROTOR GEARBOX ATTACH CASTING PN 105-30402-100.12 PROGRESSING FROM UPPER LEFT CORNER THROUGH FIRST LOWER WEB (ABOVE UPPER LEFT BOLT HOLE) AND ENDING JUST PRIOR TO THE MAIN CENTER WEB. DISCREPANCY DISCOVERED AT THE 100 HOUR INSPECTION. SDR CA010515008Solenoid Valve · failed(CAN) HYD BLOCK LIGHT CAME ON IN FLIGHT. PILOT RETURNED TO BASE AND CALLED OUT RESCUE CREW. LANDED WITHOUT DIFFICULTY. SOLENOID VALVE REPLACED AND AIRCRAFT RETURNED TO SERVICE ON APRIL 20. AIRCRAFT TEST FLOWN FOR 30 MINUTES AND NO FURTHER LIGHT REPORTS.SDR EHA2001F00002Gearbox · failedNR 1 ENGINE TORQUE REMAINED AT 60 PER CENT WHEN ENGINE TRANSITIONED FROM HIGH TORQUE TO GROUND IDLE. OPERATION ABOVE 60 PER CENT APPEARED NORMAL. CAUSE DETERMINED TO BE FAILURE OF THE TORQUE METER TO BLEED PRESSURE DURING ENGINE TORQUE TRANSITION. ENGINE GESDR CA010103010B-Nut · loose(CAN) ENGINE HUNG START AT 38 PERCENT N1 GOVERNOR PC AIR TUBE FITTING "B" NUT FOUND LOOSE.SDR CA001110045Bolt · failed(CAN) DURING CRUISE FLIGHT, PILOT WAS ONLY ABLE TO ACHIEVE 98 PERCENT N2 ON NR 1 ENGINE. UPON LANDING AT THE MAINTENANCE FACILITY, AN INSPECTION FOUND THE NR 1 ENGINE GOVERNOR CABLE WHERE IT ATTACHES TO THE COLLECTIVE FORK HAD BECOME DISENGAGED. REF: MBB PSDR 20000912SH007Wire · brokenIN CRUISE FLIGHT, NR 1 ENGINE FIRE LIGHT ILLUMINATED. FOUND AND REPAIRED BROKEN WIRE. (X)SDR CA000811003Mast · failed(CAN) EVENT: DURING PILOT TRAINING OFF-LEVEL LANDING BEING CONDUCTED; A/C LANDED ON SLOPE WITH RT SKID LOW. PILOTS WERE CHECKING THEIR RESPECTIVE SIDES OF A/C AND A/C MOVED ON SLOPE. PILOT APPLIED CYCLIC INPUT WHEN THE A/C SLIPPED. WHEN A/C LIFTED INTO HOSDR CA000606031Fire Detector · loose(CAN) #1 FIRE WARNING LIGHT CAME ON IN CRUISE FLIGHT. PILOT RETARDED THROTTLE TO IDLE & RETURNED TO BASE. AIRCRAFT INSPECTED LOOSE WIRE ON DETECTOR FOUND, WIRE (MEET) TORQUED SYSTEM CHECKED & FOUND SERVICEABLE, AIRCRAFT RETURNED TO SERVICE.SDR CA000714034Cargo Hook · twisted(CAN) THE PILOT CAME BACK FROM WORK AND REPORTED HE COULD NOT LATCH LOAD ON CARGO HOOK. A VISUAL INSP ON CARGO HOOK EMERG RELEASE CABLE SHOWED THERE WAS TOO MUCH STRAIN ON CABLE THAT CAUSED MECHANICAL RELEASE TO MOVE THE INTERNAL HOOK MECHANISM FROM LATCHED
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