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 AU990872Valve · faulty(AUS) NR 3 ENGINE INTAKE ANTI-ICING VALVE FAULTY.Aug 12, 1999 · Bag BAE146200A · Engine Anti-Icing SystemSDR AU990787Skin · cracked(AUS) FUSELAGE SKIN CRACKED IN THE AREA OF FRAME 29 LOCATED BETWEEN STRINGER NR 12 AND STRINGER NR 13. FOUND DURING INSPECTION IAW AD/BAE/146/70. LIMITED INFORMATION PROVIDED.Aug 9, 1999 · Bag BAE146100A · Fuselage Main, Plate/SkinSDR CA990915008O-Ring · leaking(CAN) RIGHT FUEL WATER DRAIN LEAKING.......ASSY REPLACED.Aug 8, 1999 · Bag BAE146200A · Fuel StorageSDR CA990817010Lens · cracked(CAN) RUNWAY EXIT AND WING INSPECTION LIGHT FOUND CRACKED. SUBMITTER STATED THIS LENS IS AN INTEGRAL PART OF THE WING TO FUSELAGE AERODYNAMIC FAIRING, THE FAILURE OF WHICH COULD COMPROMISE THE ENTIRE SET OF FAIRINGS.Aug 6, 1999 · Bag BAE146200A · Exterior LightingSDR AU990845Cable · stiff(AUS) NR 3 ENGINE POWER LEVER STIFF. SUSPECT LOWER CONTROL CABLE RUBBER THERMOFIT SLEEVE FOULING OR LACK OF LUBRICATION AND/OR DIRT CONTAMINATION OF THE CABLE.Aug 5, 1999 · Bag BAE146200A · Power LeverSDR AU990752Engine · failed(AUS) ENGINE OVERSPEED RESULTING IN SHUTDOWN. INSPECTION FOUND THE FAN DECOUPLED FROM THE LP TURBINE. THE CHIP DETECTOR WAS INSPECTED AND FOUND TO BE CONTAMINATED AND THE ENGINE OIL WAS BLACK.Aug 4, 1999 · Engine (Turbine/Turboprop)SDR CA990915029Valve · leaking(CAN) HYDRAULIC FLUID TRANSFER FROM YELLOW TO GREEN SYSTEM. SHUTTLE VALVE FOUND FAULTY IN RECENTLY REPLACED BRAKE UNIT. BRAKE REPLACED.Jul 31, 1999 · Bag BAE146200A · Landing Gear Brake SystemSDR CA990804005Computer · malfunctioned(CAN) FLAP FAULT INDICATION ON TAKEOFF. PROBLEM FOUND WITHIN FLAP COMPUTER.Jul 30, 1999 · Bag BAE146200A · Trailing Flap Position Indicating SystemSDR AU990804Gcu · faulty(AUS) NR 2 AC BUS FAILED. GENERATOR CONTROL UNIT REPLACED.Jul 26, 1999 · Bag BAE146100A · AC RegulatorSDR AU990813Solenoid · faulty(AUS) FLAP EXTENSION SOLENOID FAULTY.Jul 21, 1999 · Bag BAE146200A · Trailing Edge Flap Control SystemSDR CA990804003Tms Actuator · stuck(CAN) ENGINE WOULD NOT SHUT DOWN WITH POWER LEVER. ENGINE REQUIRED TO BE SHUT DOWN WITH OVERSPEED PROCEDURE. TMS ACTUATOR FOUND IN FULLY EXTENDED POSITION. TMS ACTUATOR REPLACED.Jul 21, 1999 · Engine ControlsSDR CA990729005Pipe Assy · cracked(CAN) FIREX PIPE ASSEMBLY FOUND CRACKED DURING NOSE COWL INSPECTION. CRACK INITIATED WHEN RUBBER ON CLAMP P/N AS46760-20 BECAME DISLODGED ALLOWING THE PIPE TO VIBRATE AND WEAR ON THE CLAMP. PARTS REPLACED.Jul 9, 1999 · Bag BAE146200A · Extinguishing SystemSDR CA990728009Brake · worn(CAN) BRAKE WEAR PIN DIAMETER FOUND TO BE GREATER THAN THE CLEARANCE BETWEEN THE ROTOR DRIVE PADS. SUBMITTER REPORTS THIS IS THE SECOND OCCURRENCE.Jul 8, 1999 · Bag BAE146200A · BrakeSDR CA990707016Rivet · missing(CAN) A RETENTION RIVET ON THE FOURTH TURBINE WHEEL IS MISSING.Jun 18, 1999 · Turbine SectionSDR AU990532Fire Exting · misinstalled(AUS) NR 2 ENGINE OUTBOARD FIRE EXTINGUISHER INCORRECTLY WIRED. WIRING FROM FIRE HANDLE SWITCH TO FIRE BOTTLE WAS FOUND TO BE CONNECTED TO THE SIGNAL CONDITIONING PCB.Jun 1, 1999 · Bag BAE146200A · Extinguishing SystemSDR AU990533Warning Light · illuminated(AUS) FLAP FAULT LIGHT ILLUMINATED. NIL FAULT FOUND AND FLAP COMPUTER RESET.Jun 1, 1999 · Bag BAE146300A · Trailing Flap Position Indicating SystemSDR AU990535Warning Light · illuminated(AUS) FLAP FAULT INDICATION. FLAP COMPUTER RERACKED AND CIRCUIT BREAKERS RESET.Jun 1, 1999 · Bag BAE146300A · Trailing Flap Position Indicating SystemSDR AU990512Warning System · illuminated(AUS) MANUAL SPOILER FAULT LIGHT ILLUMINATED. INVESTIGATION COULD FIND NO DEFECT. PCB CHX6 RE-RACKED.May 28, 1999 · Bag BAE146100A · Drag Control SystemSDR AU990524Spoiler · faulty(AUS) MANUAL SPOILER CAUTION LIGHT ILLUMINATED AFTER TAKEOFF. THE FAULT WAS UNABLE TO BE REPRODUCED ON THE GROUND AND THE AIRCRAFT HAS SINCE FLOWN SERVICEABLE. DEFECT NOT CONFIRMED.May 28, 1999 · Bag BAE146100A · Drag Control SystemSDR AU990490Sensor · faulty(AUS) RT PITOT HEAT UNDERCURRENT SENSOR FAULTY.May 27, 1999 · Bag BAE146300A · Pitot/Static Anti-Ice SystemSDR AU990491Structure · misrepaired(AUS) STEEL SCREWS USED IN THE LEADING EDGE ADJACENT TO THE COMPASS SYSTEM FLUX VALVE. A STEEL SCRIBER WAS ALSO FOUND IN THE CHANNEL ADJACENT TO THE FLUX VALVE. THE STEEL ITEMS PREVENTED THE NR 2 COMPASS SYSTEM FROM CORRECT OPERATION. UNAPPROVED PART. FODMay 23, 1999 · Bag BAE146200A · Wing StructureSDR AU990492Actuator · faulty(AUS) RUDDER SERVO CONTROL/ACTUATOR FAULTY.May 23, 1999 · Bag BAE146200A · Rudder ActuatorSDR CA990521015Seal · leaking(CAN) ODOR IN CABIN ON FINAL APPROACH. INSPECTION FOUND THE NR 9 SEAL LEAKING. T HE SEAL WAS REPLACED.May 7, 1999 · Bag BAE146200A · Turbine Engine Reduction GearSDR AU990423Switch · faulty(AUS) AIR CONDITIONING PACK FLOW SWITCH FAULTY.May 4, 1999 · Bag BAE146100A · Cabin Temperature Control SystemSDR AU990433Elevator · jammed(AUS) RIGHT ELEVATOR JAMMED BY FOD. INVESTIGATION FOUND A PIECE OF RAG WHICH HAD BEEN USED TO JAM THE ELEVATORS IN THE UP POSITION DURING MAINTENANCE THE PREVIOUS NIGHT.Apr 26, 1999 · Bag BAE146200A · Elevator Control SystemSDR AU990415Floorbeam · cracked(AUS) CRACKS FOUND IN FLOOR BEAM AT FRAME 18 LOCATED ON THE RIGHT SIDE JUST BELOW THE FLOOR LINE.Apr 7, 1999 · Bag BAE146100A · Fuselage Main, Floor BeamSDR AU990411Tube · disbonded(AUS) FLAP SYSTEM TRAILING EDGE WIRING LOOM DAMAGED BY SERRATED EDGES OF THE ALUMINIUM FOIL SCREENING AROUND THE DRAIN HOLES IN THE WING TRAILING EDGE ZIPPER TUBE.Mar 28, 1999 · Bag BAE146200A · Trailing Edge Flap Control SystemSDR CA990412031Turbine · seized(CAN) ON TAKEOFF, THE CREW NOTICED LOSS OF N2 INDICATION ON NR 2 ENGINE AND ABORTED TAKEOFF. THE ENGINE WAS REMOVED AND PRELIMINARY INSPECTION REVEALED N2 LOCKUP, INDICATIVE OF HP TURBINE FAILURE. HOT METALLIC FRAGMENTS MIGRATED AFT AND EMBEDDED IN THE LP STMar 28, 1999 · Turbine SectionSDR AU990302Wheel · damaged(AUS) NR 1 MAIN WHEEL DAMAGED. A PORTION OF THE OUTER RIM HAD BROKEN AWAY. THE TIRE REMAINED INFLATED.Mar 27, 1999 · Bag BAE146200A · Wheel/Ski/FloatSDR CA990401022Windscreen · cracked(CAN) PILOTS A WINDSCREEN CRACKED ON TAXI.Mar 20, 1999 · Bag BAE146200A · Flight Compartment WindowsSDR CA990330083Windscreen · shattered(CAN) COPILOT'S WIND SCREEN SHATTERED.Mar 11, 1999 · Bag BAE146200A · Flight Compartment WindowsSDR AU990537Panel · damaged(AUS) CABIN ROOF LIGHTING REFLECTOR PANELS SHOWED EVIDENCE OF HEAT DAMAGE RANGING FROM MINOR DISCOLORATION TO BLACK CHAR LIKE DEPOSITS AT THE FLUORESCENT TUBE FITTINGS. THE TUBE END FITTINGS HAD BECOME BRITTLE.Mar 9, 1999 · Bag BAE146200A · Passenger Compartment LightingSDR CA990330006Seal · leaking(CAN) FLIGHT CREW REPORTED FUMES IN THE CABIN DURING FLIGHT. (AIRCRAFT OPERATING ON NR 1 PACK - NR 2 PACK INOPERATIVE ON MEL.) AIRCRAFT RETURNED WITH PACKS OFF. POST-FLIGHT INSPECTION FOUND NR 4 ENGINE NR 1 SEAL LEAKING, CONTAMINATING THE CABIN AIR SUPPLY. Mar 9, 1999 · Turbine Engine Compressor SectionSDR AU990298Actuator · failed(AUS) LIFT SPOILER ACTUATORS LFO AND LFC FAILED UNLOCKED TEST. FOUND DURING INSPECTION IAW ER BA6-27-60-16D. WORKSHOP INSPECTION OF THE ACTUATORS COULD FIND NO FAULTS.Mar 3, 1999 · Bag BAE146200A · Drag Control ActuatorSDR AU990739Pin · cracked(AUS) NOSE LANDING GEAR RETRACTION JACK ATTACHMENT PIN CRACKED. FOUND DURING MAGNETIC PARTICLE INSPECTION. CRACK LENGTH 19.05 MM (0.75 INCH).Feb 17, 1999 · Bag BAE146300A · Landing Gear Retraction/Extension SystemSDR AU990740Pin · cracked(AUS) NOSE LANDING GEAR RETRACTION JACK ATTACHMENT PIN CRACKED. FOUND DURING MAGNETIC PARTICLE INSPECTION. CRACK LENGTHS 19.05 MM AND 12.7 MM.Feb 17, 1999 · Bag BAE146300A · Landing Gear Retraction/Extension SystemSDR AU990741Pin · cracked(AUS) NOSE LANDING GEAR RETRACTION JACK ATTACHMENT PIN CRACKED. FOUND DURING MAGNETIC PARTICLE INSPECTION. CRACK LENGTH 15.875 MM (0.625 INCH).Feb 17, 1999 · Bag BAE146300A · Landing Gear Retraction/Extension SystemSDR AU990742Pin · cracked(AUS) NOSE LANDING GEAR RETRACTION JACK ATTACHMENT PIN CRACKED. FOUND DURING MAGNETIC PARTICLE INSPECTION. CRACK LENGTHS 15.875 MM AND 4.762 MM (0.625 INCH AND 0.187 INCH).Feb 17, 1999 · Bag BAE146200A · Landing Gear Retraction/Extension SystemSDR AU990743Pin · cracked(AUS) NOSE LANDING GEAR RETRACTION JACK ATTACHMENT PIN CRACKED. FOUND DURING MAGNETIC PARTICLE INSPECTION. CRACK LENGTH 9.525 MM (0.375 INCH).Feb 17, 1999 · Bag BAE146200A · Landing Gear Retraction/Extension SystemSDR AU990744Pin · cracked(AUS) NOSE LANDING GEAR RETRACTION JACK ATTACHMENT PIN CRACKED. FOUND DURING MAGNETIC PARTICLE INSPECTION. CRACK LENGTH 76.2 MM (3 INCHES).Feb 17, 1999 · Bag BAE146300A · Landing Gear Retraction/Extension SystemSDR AU990745Pin · cracked(AUS) NOSE LANDING GEAR RETRACTION JACK ATTACHMENT PIN CRACKED. FOUND DURING MAGNETIC PARTICLE INSPECTION. CRACK LENGTH 9.525 MM (0.375 INCH).Feb 17, 1999 · Bag BAE146200A · Landing Gear Retraction/Extension SystemSDR 99ZZZM792Compressor · damagedNR 1 ENGINE VIBRATION 2.5 AIRBORN ENGINE SHUTDOWN BY EMERGENCY CHECKLIST. INSPECTED AND FOUND BLADES MISSING FROM NR 3 AND NR 4 WHEEL AND DAMAGE TO NR 2 WHEEL AND SUSPECT DAMAGE TO NR 1 WHEEL. AIRCRAFT TO BE FERRIED TO ATW. (M)Feb 16, 1999 · N607AW · Bag BAE146200A · Turbine Engine Compressor SectionSDR AU990133Fitting · cracked(AUS) NOSE LANDING GEAR RETRACTION JACK ATTACHMENT BOSS CONTAINED TWO CRACKS IN THE BORE IN THE FOLLOWING LOCATIONS: 1. ONE CRACK AT THE 4 O'CLOCK POSITION - CRACK LENGTH 8 MM (0.314 INCH) ACROSS THE FACE EXTENDING 6 MM (0.236 INCH) INTO THE BORE. 2. ONFeb 16, 1999 · Bag BAE146300A · Fuselage, Landing Gear Attach FittingsSDR CA990310026Actuator · contaminated(CAN) FLAP FAULT ON APPROACH, FLAPS STUCK 0-18 DEGREES. INVESTIGATION REVEALED WATER IN BALLNUTS OF ACTUATORS. ACTUATORS LUBRICATED, A/C RETURNED TO SERVICE.Feb 9, 1999 · Bag BAE146200A · Trailing Edge Flap ActuatorSDR CA990310030Sensor · failed(CAN) NR 2 PACK GOING FULL HOT IN AUTO MODE. DUCT TEMP SENSOR REPLACED.Feb 9, 1999 · Bag BAE146200A · Cabin Temperature Control SystemSDR 99ZZZX2697Compressor · failedDEN - FLT 595 - NR 1 ENGINE: VIBRATION 2.5 AIR-BORN. ENGINE SHUT DOWN BY EMERGENCY CHECKLIST. INSPECTED AND FOUND BLADES MISSING FROM NR 3 AND NR 4 WHEEL AND DAMAGE TO NR 2 WHEEL AND SUSPECT DAMAGE TO NR 1 WHEEL. AIRCRAFT TO BE FERRIED TO ATW. ACFT TT: 1Feb 6, 1999 · N607AW · Bag BAE146200A · Turbine Engine Compressor SectionSDR CA990301011Wheel · cracked(CAN) DURING MAIN WHEEL CHECK FOR LEAKING AIR, A CRACK AND CORROSION WERE FOUND IN THE INBOARD WHEEL HALF, AT END OF BRAKE DRIVE BLOCK ABUTMENT.Feb 4, 1999 · Bag BAE146200A · Wheel/Ski/FloatSDR CA990310029Wire · broken(CAN) FORWARD SERVICE DOOR UNLOCKED WARN LIGHT EXTINQUISHED WITH DOOR OPEN. BROKEN WIRE REPLACED AT DOOR CANNON PLUG.Feb 3, 1999 · Bag BAE146200A · Door Warning SystemSDR AU990068Blade · damaged(AUS) NR 2 ENGINE FAN BLADES AND ADJACENT BLADE MID-SPAN SUPPORTS DAMAGE DUE TO BIRDSTRIKE.Jan 31, 1999 · Turbine Engine Compressor SectionSDR AU990075Fitting · cracked(AUS) NOSE LANDING GEAR RETRACTION ACTUATOR ATTACHMENT BOSS CRACKED IN THE FOLLOWING THREE AREAS: 1. CRACK LOCATED AT APPROXIMATELY THE 4 O'CLOCK POSITION - CRACK LENGTH IN BORE 12.7 MM (0.5 INCH) ACROSS THE BOSS FACE TO WITHIN 4.826 MM (0.19 INCH). 2. CRJan 28, 1999 · Bag BAE146200A · Fuselage, Landing Gear Attach Fittings
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