JASC 6322
Service difficulty reports · 213
Reports filed under 6322 · Rotorcraft Cooling Fan System, 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 = '6322' 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 = '6322' 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 97ZZZX4903Bearing · roughNR 2 SHAFT REMOVED FROM AIRCRAFT DUE TO ROUGH BEARING. FOUND BEARING 406-040-339-105 INSTALLED AT AIRCRAFT HOURS 808.0 HOURS ROUGH. ALSO, SHAFT 406-040-320-101, TT 1410.8 HOURS. FORWARD SPLINES WORN AND CORRODED BEYOND LIMITS.SDR 97ZZZX3768Belt · crackedBELT WAS FOUND CRACKED VERTICALLY ON 300-HOUR INSPECTION. CRACKED ON OUTSIDE LAYER. BOTH BELTS CRACKED AT LOCATION IN RELATION TO PART NUMBER STAMP.SDR 97ZZZX3760Belt · crackedTWO EACH BLOWER BELTS WITH LOG B.04 HA1634, FOUND CRACKED VERTICALLY ON OUTSIDE LAYER OF BELT. BOTH BELTS CRACKED AT SAME LOCATION IN RELATION TO PART NUMBER STAMP.SDR HEEA0010568Blower · malfunctionBLOWER RUNS FASTER ON LOW THAN ON HIGH.SDR 98ZZZX179Sleeve · crackedINSPECTION FOUND FAN DRIVE SLEEVE WITH LARGE THRU-CRACKING IN FLANGE AREA.SDR CA970728014Bracket · cracked(CAN) CRACKS FOUND ON OIL COOLER BLOWER SUPPORT BRACKETS AT STA 192.0, WL 73.25. ALSO FOUND CRACKED ANGLE BRACKETS, FRAME AND BONDED OIL COOLER PANEL ASSY OIL COOLER TRANSITION BRACKET HAD SMALL CRACK.SDR HEEA0010394Bearing · roughBEARINGS ROUGH. ALSO REPLACED 2 EACH MS172209 LOCKWASHERS. SERIAL NUMBERS OF BEARINGS REMOVED ARE E96-0569 AND E96-0577.SDR 97ZZZX3176Hub · separatedDURING BUILD-UP, LOWER BEARING SLINGER RING LOCKED UP. USING TOOL TO PRESS OUT LOWER BEARINGS, THE ENTIRE RACE PRESSED OUT OF HUB.SDR CA970728013Oil Tank · cracked(CAN) OIL FOUND ON DECK UNDER ENGINE OIL RESERVIOR. FOUND OIL TANK CRACKED ON TOP. ALSO FOUND BROKEN OIL TANK SUPPORTS AND OIL COOLER BLOWER SUPPORT BRACKETS. BROKEN ANGLE BRACKETS AT STA 192.0, WL 73.25. CAUSE OF CRACKS APPEARS TO BE EXCESSIVE VIBRATION SDR HEEA0010323Blower Assy · faultyBAD FROM STOCK, MOTOR WOULD NOT RUN. CAUSED CIRCUIT BREAKER TO POP. REPLACED WITH SERVICEABLE BLOWER.SDR HEEA0010157Bearing · roughBEARINGS ROUGH, ALSO REPLACE 2 EACH LOCKWASHERS, P/N MS172209. SERIAL NUMBERS OF BEARINGS REMOVED ARE D96-0770 AND D96-0762.SDR HEEA0010071Bearing · roughROUGHNESS IN BEARING.SDR HEEA0010068Bearing · roughROUGHNESS IN BEARING.SDR CA970528026Hose · leaking(CAN) HOSE FROM T-VALVE TO LOWER OIL COOLER FOUND LEAKING, 12 INCHES FROM OIL COOLER, BEHIND FRONT STRUT.SDR CA970528025Tube · chafed(CAN) TRANSMISSION OIL COOLER LINE CHAFED.SDR AU970713Bearing · out of hours(AUS) FANSHAFT ASSEMBLY LOWER BEARING OUT OF HOURS - BEARING HAD NOTBEEN REPLACED AT THE 2000 HOURLY INSPECTION - FANSHAFT ASSEMBLY HAD NO RELEASE NUMBER FROM ROBINSON HELICOPTERSSDR HAIHEEA9755Bearing · roughT/R SHAFT BEARING ROUGH. SERIAL NUMBERS REMOVED ARE L-95-3524 AND L-95-3484.SDR 97ZZZX3555Fan Wheel · crackedCRACKS FOUND DURING 100-HOUR INSPECTION OF AIRCRAFT IN FAN WHEEL ASSEMBLY, SECOND FAN WHEEL INSTALLED SINCE AIRCRAFT REBUILT BY FACTORY. FAN WAS BALANCED AT EACH INSTALLATION YET CONTINUED TO CRACK. TOTAL AIRCRAFT TIME SINCE REBUILT, 499.0 HOURS.SDR HAIHEEA9452Blower Assy · failedBLOWER ASSY HAS SHEARED SHAFT.SDR HAIHEEA9379Blower · inoperativeMOTOR ASSEMBLY INOPERATIVE; WILL NOT OPERATE. TIME SINCE REPAIR 10:15.SDR 97ZZZX2305Tube Assy · bindingINSPECTION FOUND SPLINES WORN AT SPIDER END. ROD BENT AT SPLINES.SDR 97ZZZX2332Support · wornFOUND FAN TUBE SUPPORT WORN. GUIDE TEETH WORN FROM FAN PUSH ROD.SDR 97ZZZX2307Support · wornFOUND FAN TUBE SUPPORT WORN BY FAN POSITION PUSH ROD. SPLINED TEETH IN SUPPORT GUIDE WORN EXCESSIVELY.SDR 97ZZZM578Shaft · destroyedTHE PILOT NOTICED NR 2 ENGINE OIL TEMPERATURE WAS CLIMBING TOWARDS RED LINE. THE PILOT EXECUTED PRECAUTIONARY LANDING. MAINTENANCE PERSONNEL FOUND THE OIL COOLER BLOWER SHAFT HAD SHEARED AND THE FLOPPING AROUND HAD DAMAGED THE DRIVE GEAR IN THE ENGINE AND THSDR HAIHEEA9222Bearing · roughBEARING ROUGH.SDR HAIHEEA9221Bearing · roughBEARING ROUGH.SDR 97ZZZX2460Impeller · shaft playDRIVE/TRANSMISSION SYS BLOWER IMPELLER EXCESSIVE PLAY. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. CORES RETURNED TO MDHS FROM RNO.SDR 97ZZZX2450Impeller · wornBLOWER IMPELLER EXCESSIVE PLAY ON SHAFT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. CORES RETURNED TO MDHS FROM RNO.SDR 97ZZZX3212Fan Vane · crackedCOOLING FAN HAD TOTAL TIME OF 1085.1 HOURS. VANES CRACKED AT WELDS. ROBINSON HAS NO REPAIR OR OVERHAUL FOR THIS PART. SUBMITTER STATES PART SHOULD BE REPAIRA BLE AND SHOULD LAST 2,000 HOURS AND THEN BE OVERHAULED.SDR CA970327019Fan · broken(CAN) BROKEN VANES ON OIL COOLER FAN CAUSED VIBRATION THROUGH AIRFRAME.SDR 97ZZZX3196Fan · crackedENGINE COOLING FAN HAD TOTAL TIME OF 833.7 HOURS. ROBINSON HAD NO REPAIR OR OVERHAUL FOR THIS PART. SUBMITTER STATED PART SHOULD LAST AT LEAST 2,000 HOURS, THEN BE OVERHAULED.SDR HEEA978973Blower Assy · failedBLOWER ASSY SHEARED SHAFT.SDR CA970115002Blower · rough bearing(CAN) BEARINGS IN OIL COOLER BLOWER SOUND ROUGH AND DRY WHEN FAN IS TURNED BY HAND. BLOWER REMOVED AND BEARINGS REPLACED.SDR CA970311059Blower · bearing failure(CAN) LOUD BANG AND HEAVY VIBRATION. LIGHT SMOKE IN COCKPIT. SUSPECT BEARING FAILURE OF OIL COOLER BLOWER.SDR HEEA968250Blower · impeller looseBLOWER IMPELLER LOOSE ON SHAFT.SDR HEEA968211Motor · seal leakBLOWER MOTOR SHAFT SEAL LEAKING.SDR CA970311046Belt · damaged(CAN) PILOT HEARD GROWLING NOISE. INSEPCTION FOUND SEVERAL TEETH MISSING AND BELT CLOSE TO FAILURE.SDR AU961097Cooling Fan · cracked(AUS) ENGINE COOLING FAN BLADE CRACKED AT BASESDR CA970311038Blower Assembly · loose(CAN) PRIOR TO INSTALLATION A VISUAL INSPECTION REVEALED THAT THE FAN TO SHAFT ATTACHING HARDWARE WAS LOOSE.SDR CA970311035Belt · damaged(CAN) PILOT NOTICED A VIBRATION, MAINTENANCE FOUND TEETH MISSING OFF THE BELT.SDR CA960802003Bearing · rough(CAN) HIGH TO MEDIUM FREQUENCY VIBRATION WAS BEING DETECTED BY THE PILOT THROUGH THE TAIL ROTOR PEDALS. EXAMINATION FOUND BLOWER ASSEMBLY MAKING VIBRATION. REPLACED ASSEMBLY AND RECTIFIED PROBLEM.SDR 96ZZZX4280Bolt · shearedON DAILY INSPECTION, MECHANIC NOTICED EXCESSIVE MOVEMENT OF OIL COOLER DRIVESHAFT UNDER ENGINE. FOUND BOLT TYING FORWARD OUTPUT COUPLING TO AFT COUPLING THROUGH ENGINE. PTO GEARSHAFT SHEARED FLUSH WITH BOTTOM OF RETENTION NUT. COTTER PIN WAS STILL INSTALLEDSDR 96ZZZX3968Shaft Assy · shearedDURING FLIGHT, PILOT NOTED NR 2 ENGINE OIL PRESSURE DROPPING AND THE OIL TEMPERATURE RISING. HE SHUT DOWN THE ENGINE AS A RESULT AND PERFORMED A SINGLE ENGINE LANDING. WHILE INVESTIGATING THE CAUSE, MECHANIC DISCOVERED THE SHAFT OF THE OIL COOLER BLOWER TO HSDR 96ZZZX3843Shaft Assy · shearedDURING FLIGHT, THE PILOT NOTED THE NR 2 ENGINE OIL PRESSURE DROPPING AND THE OIL TEMPRATURE RISING. HE SHUT DOWN THE ENGINE AS A RESULT, AND PERFORMED A SINGLE ENGINE LANDING. WHILE INVESTIGATING THE CAUSE, THE MECHANIC DISCOVERED THE SHAFT OF THE OIL COOLERSDR CA960412003Fan · bearing failed(CAN) TURBINE AND FAN ASSEMBLY MAKING NOISE AND VIBRATION. BEARING P/N 9101 PP FOUND DRY.SDR CA960315013Bearing · rough(CAN)FOUND AFT OIL COOLER BEARING P/N 206-040-339-009 ROUGH. DISASSEMBLED COOLING FAN ASSEMBLY AND FOUND SPACER P/N 206-040-351-001 INCORRECTLY INSTALLED IN HANGER ASSEMBLY P/N 206-040-355-001 (NOT THE COR RECT PART). REMOVED SPACER AND INSTALLED SPACER P/N 20SDR 96ZZZX2601Gear · making metalTHE ENGINE CHIP LIGHT CAME ON IN-FLIGHT TWICE. EACH TIME THE OIL SCREEN HAD ALUMINUM AND SOME STEEL. AN INVESIGATION FOUND THE PULLEY ON THE FAN DRIVE QUILL MOVING IN AND OUT .25 INCH. UPON REMOVAL OF QUILL FROM THE TRANSMISSION, 2 BROKEN TEETH FROM THE GEASDR HEEA966621Blower · defectiveENGINE OIL TEMP HIGH. OIL COOLER DIRTY AND SCORED.SDR 96ZZZX3262Impeller · wornIMPELLER WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEED95422Blower · inoperativeBLOWER INOPERATIVE . REPLACED UNIT.
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