Lycoming ALF502R-5

Service difficulty reports · 784

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 engine_model_key = 'ALF502R5'
  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.

SDR AU001177Cvr · faulty(AUS) COCKPIT VOICE RECORDER FAILED STEPS NR1 1 AND NR 12 OF AMM23-71-00-501.Jul 2, 2000 · Bac 146200A · Audio/Video MonitoringSDR CA000718015Line · leaking(CAN) HYDRAULIC LINE CHAFED AND LEAKING INTO HYDRAULIC BAY. HYDRAULIC LINE FOUND CHAFED AGAINST PIPE ASSEMBLY WITH BOTH LINES LEAKING.BOTH HYDRAULIC LINES REPLACED AND AIRCRAFT RETURNED TO SERVICE.Jul 2, 2000 · Bag BAE146200A · Hydraulic System, MainSDR CA000718016Check Valve · failed(CAN) NR 2 ENGINE LEAKING FUEL FROM ECOLOGY DRAIN WHEN LT INNER PUMP SELECTED ON. ECOLOGY DRAIN CHECK VALVE REPLACED AND AIRCRAFT RETURNED TO SERVICE.Jul 1, 2000 · Bag BAE146200A · Engine Fuel DistributionSDR AU000524Fire Loop · worn(AUS) NR 2 ENGINE FIRE WIRE CHAFED.Jun 30, 2000 · Bag BAE146200A · Fire DetectionSDR CA000621003Coupling · leaking(CAN) THE FLIGHT CREW REPORTED LOSS OF YELLOW SYSTEM HYDRAULIC FLUID APPROX. 15 MILES BACK ON DESCENT. AN ODOR WAS EXPERIENCED BY PAX IN ROWS 7, 8 & 9 FIRST. A NORMAL LANDING WAS ACCOMPLISHED. MAINTENANCE INVESTIGATION REVEALED A LEAK AT THE B PORT OF THE YELLJun 21, 2000 · Bag BAE146200A · Hydraulic System, MainSDR CA000706010Engine · failed(CAN) NR 2 ENGINE FOUND TO HAVE APPROX 1 TEASPOON OF OIL IN SUPERCHARGER INTAKE 1/2 HOUR AFTER SHUTDOWN. NR 9 SEAL REPLACED, ENGINE RUNS CARRIED OUT WITH NO OIL EVIDENT IN SUPERCHARGER. AIRCRAFT RETURNED TO SERVICE.Jun 19, 2000 · Bag BAE146200A · Engine (Turbine/Turboprop)SDR CA001026002Bolt · worn(CAN) INVESTIGATION INTO A FLIGHT CREW REPORT OF AN INTERMITTENT AIRFRAME RUMBLE DURING FLIGHT REVEALED THAT THE LT CENTRE GROUND SPOILER WAS FLUTERING IN CRUISE FLIGHT. A WORN SPOILER ACTUATOR BOLT WAS REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE.Jun 16, 2000 · Bag BAE146200A · Drag Control SystemSDR CA000706012Engine · leaking(CAN) NR 3 ENGINE, NR 1 SEAL FOUND LEKAING DURING BORESCOPE INSPECTION. OIL EVIDNET IN BLEED BAND. NR 3 ENGINE REPLACED AND AIRCRAFT RETURNED TO SERVICE.Jun 11, 2000 · Bag BAE146200A · Engine (Turbine/Turboprop)SDR AU000805Hose · worn(AUS) NR 2 ENGINE HYDRAULIC PUMP PRESSURE HOSE CHAFED THROUGH BY ADEL CLAMP. LOSS OF YELLOW' SYSTEM HYDRAULIC FLUID.Jun 1, 2000 · Bac 146200A · Hydraulic System, MainSDR AU000440Controller · faulty(AUS) FLAPS FAULTY. FLAPS CHECKED ON GROUND AND OPERATED WITHOUT FAULT.May 31, 2000 · Bac 146200A · Trailing Edge Flap Control SystemSDR AU000435Valve · leaking(AUS) NOSE LANDING GEAR STEERING VALVE INTERNAL LEAK.May 28, 2000 · Bag BAE146200A · Steering UnitSDR AU000439Selector Valve · leaking(AUS) LANDING GEAR SELECTOR VALVE INTERNAL LEAK.May 28, 2000 · Bag BAE146200A · Landing Gear SelectorSDR AU000521Valve · faulty(AUS) NR 2 ENGINE ANTI-ICE VALVE FAULTY.May 28, 2000 · Bac 146200A · Engine Anti-Icing SystemSDR CA000530007Bolt · sheared(CAN) NR 3 ENGINE PYLON TO WING ATTACH BOLT (LWR OTBD) HEAD FOUND SHEARED OFF. BOLT REPLACED.May 18, 2000 · Bag BAE146200A · Nacelle/Pylon, Attach FittingsSDR CA000519005Bearing · failed(CAN) NR 3 ENGINE BEARING SEAL FAILED.May 15, 2000 · Bag BAE146200A · Engine (Turbine/Turboprop)SDR CA000530009Panel · corroded(CAN) SURFACE CORROSION FOUND ON SEVERAL FUEL MANIFOLD COVERS. PANELS ALODINED AND PRIMED.May 15, 2000 · Bag BAE146200A · Wing, Plate/SkinSDR CA000505002Actuator · failed(CAN) NR 1 ENGINE ACTUATOR CYCLING BACK AND FORTH CAUSING N1 AND TGT TO FLUCTUATE BY 2 PERCENT N1 AND 30 DEGREES TGT.TMS ACTUATOR REPLACED.May 5, 2000 · Bag BAE146200A · Engine (Turbine/Turboprop)SDR AU000339Amplifier · faulty(AUS) PA SYSTEM AMPLIFIER FAULTY.May 4, 2000 · Bag BAE146200A · Interphone/Passenger Announcement (PA) SystemSDR CA000511003Bleed Valve · malfunctioned(CAN) BLEED BAND ACTUATOR FAILED CAUSING HIGHER THAN NORMAL TREMPERATURES.May 4, 2000 · Bag BAE146200A · Compressor Bleed ValveSDR CA000530008Attach Bolt · corroded(CAN) RT WING AFT UPPER ATTACH BOLY FOUND CORRODED, NEW BOLT INSTALLED.May 3, 2000 · Bag BAE146200A · Wing Miscellaneous StructureSDR AU000377Seal · damaged(AUS) LANDING GEAR SELECTOR VALVE SEAL WORN.May 2, 2000 · Bac 146200A · Landing Gear SelectorSDR CA000511002Actuator · failed(CAN) BLEED BAND ACTUATOR FAILED CAUSING HIGHER THAN NORMAL TEMPRATURES.Apr 30, 2000 · Bag BAE146200A · Turbine Engine Compressor SectionSDR AU000886Motor · faulty(AUS) LANDING GEAR SELECTOR VALVE MOTOR FAULTY. WORKSHOP INVESTIGATION FOUND THE CLUTCH SLIPPING DUE TO WORN CLUTCH PADS AND INSUFFICIENT SPRING TENSION ON THE CLUTCH.Apr 24, 2000 · Bag BAE146200A · Landing Gear SelectorSDR CA000505003Valve · failed(CAN) LT INNER ANTI-SKID VALVE FOUND LEAKING. VALVE REPLACED AND AIRCRAFT RETURNED TO SERVICE.Apr 23, 2000 · Bag BAE146200A · Brake Anti-Skid SectionSDR CA000501006Valve · failed(CAN) NR 2 HYD PUMP FAILED. INVESTIGATION REVEALED A LEAKING ISOLATION VALVE.Apr 21, 2000 · Bag BAE146200A · Hydraulic System, MainSDR CA000419003Indicator · reads high(CAN) PILOTS HSI INDICATING 5 DEGREES HIGHER THAN COURSE SELECTOR, NAV SELECTOR REPLACED.Apr 14, 2000 · Bag BAE146200A · Attitude Gyro and Indicating SystemSDR AU000368Seal · worn(AUS) NO3 ENGINE NO1 CARBON SEAL EXCESSIVELY WORN AND CHIPPED ALLOWINGOIL TO PASS INTO THE AIR SYSTEM.Apr 13, 2000 · Bac 146200A · Turbine Engine Compressor SectionSDR AU000277Indicator · shorted(AUS) RT MAIN LANDING GEAR STANDBY INDICATOR LAMP SHORT CIRCUIT.Apr 11, 2000 · Bag BAE146100A · Landing Gear Position and WarningSDR AU001260Jackscrew · faulty(AUS) RT OUTBOARD FLAP JACKSCREW SUSPECT FAULTY. INVESTIGATION COULD NOT CONFIRM THE DEFECT ALTHOUGH THE JACKSCREW WAS NOTCHY IN OPERATION.Apr 9, 2000 · Bac 146200A · Trailing Edge Flap ActuatorSDR AU000278Computer · faulty(AUS) GROUND PROXIMITY WARNING SYSTEM (GPWS) COMPUTER FAULTY.Apr 1, 2000 · Bag BAE146200A · Ground Proximity SystemSDR AU000349Seal · worn(AUS) NO1 ENGINE NO1 CARBON SEAL SEVERELY WORN. CONTAMINATED BLEED AIRENTERED COCKPIT CAUSING PROBLEMS WITH FLIGHT CREW.Mar 30, 2000 · Bag BAE146200A · Turbine Engine Compressor SectionSDR CA000404003Controller · failed(CAN) RIGHT WINDSCREEN HI TEMP CAUTION LIGHT ON IN DESCENT WHEN SAT ZERO DEGREE CELSIUS.CONTROLLER REPLACED.Mar 29, 2000 · Bag BAE146200A · Windshield/Door Rain/Ice RemovalSDR CA000327001Plate · failed(CAN) HYDRAULIC BAY DOOR STOP ASSY FOUND BROKEN. IT WAS CRACKED AND BROKEN OFF WHERE THE SCREWS ATTACH THE STOP TO THE DOOR STOP PLATE. PARTS REPLACED.Mar 20, 2000 · Bag BAE146200A · Hydraulic Compartment DoorsSDR AU000230Blade · failed(AUS) NR 1 ENGINE N1 TURBINE RUBBING. N2 ALSO PARTIALLY SEIZED. INVESTIGATION FOUND THAT A FIRST STAGE TURBINE BLADE HAD FAILED CAUSING EXTENSIVE DAMAGE TO THE TURBINE AREA.Mar 13, 2000 · Bag BAE146200A · Turbine SectionSDR CA000320002Wire · chafed(CAN) NR 1 GENERATOR HARNESS WIRE FOUND CHAFED. WIRE REPAIRED.Mar 8, 2000 · Bag BAE146100A · DC Generating SystemSDR A6WA0000019Valve · out of adjNR 2 ENGINE PRODUCED 89.0 PERCENT N1 ON FULL POWER APPLICATION AT ASE N1 REF CALLED FOR 93.4 PERCENT ENGINE ANTI-ICE ON 904 TGT. REMOVED AND REPLACED NR 2 ENGINE FCU POPPET VALVE C/W BLEED BAND ADJUSTMENT AND TAKEOFF POWER CHECK. (M)Feb 25, 2000 · N290UE · Bag BAE146200A · Fuel Control/Turbine EnginesSDR AU000175Link · corroded(AUS) LH ELEVATOR TRIM TAB INBOARD HINGE LINK SEVERELY CORRODED IN THEWEB AREA.Feb 24, 2000 · Bag BAE146200A · Elevator StructureSDR CA000224003Fitting · cracked(CAN) HYDRAULIC LEAK IN VICINITY OF NR 4 FLAP TRACK LED TO REPLACEMENT OF TEE FITTING DUE TO CRACK.Feb 22, 2000 · Bag BAE146200A · Drag Control ActuatorSDR CA000224007O-Ring · leaking(CAN) FUEL LEAK IN FORWARD SECTION OF THE NR 3 ENGINE RESULTED IN THE REPLACEMENT OF THE O-RING SEALS ASSOCIATED WITH THE FORWARD FUEL ELBOW.Feb 18, 2000 · Bag BAE146200A · Engine Fuel DistributionSDR CA000224006Fastener · corroded(CAN) DURING ACCOMPLISHMENT OF HC536H9159, FURTHER INSPECTION OUTSIDE OF THE REQUIREMENTS LED TO THE DISCOVERY OF TWO DAMAGED HYLOCK FASTENERS ON FRAME 29. BOTH BOLTS WERE CORRODED AND ONE HEAD HAD SEPARATED. FASTENERS REPLACED WITH OVERSIZE PER MANUFACTURERFeb 17, 2000 · Bag BAE146200A · Fuselage Main, FrameSDR AU000225Lanyard · faulty(AUS) LT AND RT DOOR ESCAPE SLIDE LANYARDS INCORRECTLY FITTED. PERSONNEL / MAINTENANCE ERRORFeb 17, 2000 · Bac 146200A · Escape SlideSDR CA000224002Valve · stuck(CAN) NR 1 ENGINE INTAKE LOW PRESSURE WARNING WITH AI SELECTED ACCOMPANIED WITH MINIMAL TGT RISE. ANTI-ICE VALVE REPLACED. (X)Feb 15, 2000 · Bag BAE146200A · Engine Anti-Icing SystemSDR CA000301044Transmitter · failed(CAN) DURING ANNUAL CALIBRATION AND TESTING, FOUND THAT FIVE POSITION TRANSMITTERS WERE FAULTY. IT IS NOTED THAT THE COMPONENTS HAD VERY LITTLE TIME ON THEM.Feb 14, 2000 · Bag BAE146200A · Data Recorders (Flight/Maintenance)SDR CA000224001Adc · failed(CAN) DURING INSPECTION, AILERION DISCONNECT UNIT FAILED TO RELEASE ON HANDLE OPERATION OR DIFFERENTIAL CHECK. UNIT REPLACED.Feb 11, 2000 · Bag BAE146200A · Aileron Control SystemSDR CA000224004Wire · chafed(CAN) DURING INSPECTION IN THE COCKPIT OVERHEAD AREA SEVERAL CHAFED WIRES WERE DISCOVERED. THE SOURCE OF THE CHAFING WAS THE HEADS OF THE TY-WRAPS WERE POSITIONED IN SUCH A MANNER TO CAUSE CHAFING.Feb 11, 2000 · Bag BAE146200A · Electrical Power System WiringSDR A6WA0000017Fcu · malfunctionedNR 2 ENGINE WHEN AT CRUISE 89-90 PERCENT N1, EXPERIENCED UNCOMMANDED POWER BACK TO 60 PERCENT N1, OTHER INDICATIONS FOLLOWED, 30 SECOND =/1 MINUTE STABILIZED. THIS IS WITH TMS OFF, ALT 25,000 FT, ANTI-ICE OFF. REMOVED AND REPLACED NR 2 ENGINE FUEL CONTROL UNFeb 10, 2000 · N292UE · Bag BAE146200A · Fuel Control/Turbine EnginesSDR CA000215005Line · worn(CAN) A LOSS OF GREEN SYSTEM HYDRAULIC FLUID IN CRUISE LED TO AN UNSCHEDULED LANDING. INVESTIGATION REVEALED A LEAKING OF PRESSURE LINE AT THE RT MLG UPLOCK. THE LINE HAD BEEN CHAFED BY THE DEBRIS COVER DUE TO A FAILED SUPPORT BRACKET.Feb 10, 2000 · Bag BAE146300A · Hydraulic System, MainSDR AU000441Motor · faulty(AUS) LANDING GEAR CONTROL VALVE ACTUATOR MOTOR FAULTY.Feb 6, 2000 · Bag BAE146300A · Landing Gear Retraction/Extension SystemSDR CA000215003Windshield · delaminated(CAN) CAPTAINS B WINDSHIELD REPLACED DUE DELAMINATION.Feb 2, 2000 · Bag BAE146200A · Flight Compartment WindowsSDR AU000078Bracket · corroded(AUS) LH AND RH MAIN LANDING GEAR DOOR AFT HINGE BRACKETS CORRODED. RHFORWARD HINGE PLATE PNO HC32160043-001 ALSO CORRODED.Jan 30, 2000 · Bag BAE146200A · Landing Gear Doors
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