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 CA990310028Bolt · snapped(CAN) FORWARD SERVICE DOOR GUST DAMP MOUNTING PLATE BOLTS FAILED. BOLTS REPLACED.Jan 21, 1999 · Bag BAE146200A · Service DoorsSDR CA990310004Valve · leaking(CAN) ANTI-SKID HYDRAULIC LINE LEAKING. FUMES IN CABIN AFTER LANDING. B-NUT TIGHTENED.Jan 16, 1999 · Bag BAE146200A · Brake Anti-Skid SectionSDR AU990059Fitting · cracked(AUS) NOSE LANDING GEAR ACTUATOR ATTACHMENT BOSS CRACKED. CRACK RAN FROM THE EDGE OF THE BORE TO A POINT APPROXIMATELY 1 MM (0.0393 INCH) FROM THE EDGE OF THE BOSS AT THE 6 O'CLOCK POSITION. FOUND DURING EDDY CURRENT INSPECTION IAW AD/BAE146/071. PART TC: 2Jan 13, 1999 · Bag BAE146200A · Fuselage, Landing Gear Attach FittingsSDR AU990060Fitting · cracked(AUS) NOSE LANDING GEAR ACTUATOR ATTACHMENT BOSS FACE CRACKED. CRACK RAN FROM THE BORE TO A POINT 6 MM (0.236 INCH FROM THE OUTER EDGE OF THE BOSS AT THE 3 O'CLOCK POSITION. FOUND DURING EDDY CURRENT INSPECTION IAW AD/BAE146/071. PART TC: 27,739.Jan 13, 1999 · Bag BAE146200A · Fuselage, Landing Gear Attach FittingsSDR AU990058Fitting · cracked(AUS) NOSE LANDING GEAR RETRACTION ACTUATOR ATTACHMENT BOSS CONTAINED TWO CRACKS IN THE FOLLOWING AREAS: 1. CRACK LOCATED IN THE BORE ONLY - CRACK LENGTH 7 MM (0.275 INCH). 2. ONE CRACK LOCATED BOTH INSIDE THE BORE AND ACROSS THE FACE WITH THE BORE CRACK LJan 8, 1999 · Bag BAE146200A · Fuselage, Landing Gear Attach FittingsSDR AU990046Fitting · cracked(AUS) NOSE LANDING GEAR RETRACTION JACK ATTACHMENT BOSS CRACKED IN THE FOLLOWING THREE PLACES: 1. ONE 10 MM (0.394 INCH) AND ONE 12 MM (0.47 INCH) CRACK IN THE BORE EXTENDING FOR 20 MM (0.78 7INCH) ACROSS THE FACE OF THE BOSS. 2. ONE CRACK ACROSS THE ENTIRJan 6, 1999 · Bag BAE146200A · Fuselage, Landing Gear Attach FittingsSDR AU990076Bracket · cracked(AUS) LEFT MAIN LANDING GEAR DOOR REAR HINGE BRACKET CRACKED. FOUND DURING INSPECTION IAW ER BA6-32-10-30.Jan 1, 1999 · Bag BAE146200A · Landing Gear DoorsSDR CA990111061Tire · failed(CAN) CENTER SECTION OF RECAP SEPARATED FROM TIRE.Dec 23, 1998 · Bag BAE146200A · TireSDR CA990111060Engine · failed(CAN) ON TAKEOFF, A LOUD BANG WAS HEARD AND NR 4 ENGINE SPOOLED DOWN. SPARKS WERE OBSERVED COMING FROM THE ENGINE AND THE FOURTH STAGE BLADES WERE DESTROYED. CAUSE UNKNOWN AT THIS TIME, FURTHER REPORT TO FOLLOW. PART TC: 3,840.Dec 21, 1998 · Engine (Turbine/Turboprop)SDR AU981647Processor · malfunctioned(AUS) DURING CRUISE, THE NR 3 ENGINE LOW OIL PRESSURE LIGHT ILLUMINATED - GAUGE WAS SHOWING NORMAL 90 PSI. GROUND INVESTIGATION FOUND THE DUAL LOW OIL PRESSURE PROCESSOR DEFECTIVE.Dec 16, 1998 · Engine Oil PressureSDR CA990310013Engine · leaking(CAN) DURING APPROACH, REAR CABIN CREW REPORTED DIRTY SOCK SMELL IN AIR IN REAR OF CABIN. NR 2 AIR CONDITIONER WAS TURNED OFF AND SMELL DISSIPATED. AFTER LANDING, INSPECTION FOUND SMALL OIL LEAK IN THE NR 3 ENGINE BLEED BAND AREA. AIRCRAFT DISPATCHED ON MELDec 15, 1998 · Engine Bleed Air SystemSDR CA990310002O-Ring · damaged(CAN) ON TAXI, CABIN FILLED WITH SMOKE, NR 2 HYDRAULIC LOW CAUTION LIGHT ILLUMUNATED, PASSENGER DEPLANED, SMOKE IDENTIFIED AS SKYDROL MIST. INVESTIGATION REVEALED LEAKING O-RING ON HYDRAULIC SYSTEM PRESSURE MANIFOLD. PART REPLACED.Dec 13, 1998 · Bag BAE146200A · Hydraulic System, MainSDR CA990310024Vertical Gyro · intermittent(CAN) VERTIAL GYRO TOPPLED TWICE POST-TAKEOFF. VERTICAL GYRO REPLACED.Dec 13, 1998 · Bag BAE146200A · Attitude Gyro and Indicating SystemSDR CA990310023Turbine Disc · cracked(CAN) DURING ROUTINE INSPECTION OF 1ST STAGE TURBINE DISC BLADES, A CRACK WAS FOUND IN THE CRITICAL AREA OF THE BLADE TRAILING EDGE AT 2ND COOLING SLOT NEXT TO BLADE FILLET AREA.Dec 3, 1998 · Turbine SectionSDR CA990310025Warning System · illuminated(CAN) FLAP FAULT ILLUMINATED THEN WENT OUT, NO APPARENT FAULT. NO FAULT FOUND.Dec 3, 1998 · Bag BAE146200A · Trailing Flap Position Indicating SystemSDR AU981603Engine · vibrates(AUS) NR 1 ENGINE HAD A VIBRATION READING OF 1.6 TOGETHER WITH A LOUD GRINDING NOISE AND THROTTLE BUZZ.Nov 30, 1998 · Engine (Turbine/Turboprop)SDR CA990310027Eyebolt · failed(CAN) NLG RETRACTION EYEBOLT PULLED OUT OF RETRACTION PISTON. PART REPLACED. REFER TO BAE SB32-146.Nov 24, 1998 · Bag BAE146200A · Nose/Tail Landing GearSDR AU981562Link · corroded(AUS) MAIN LANDING GEAR DOOR RT AND LT FORWARD HINGE LINKS CORRODED BEYOND LIMITS. LINKS P/N HC321H0026-002, P/N HC321B0045-002 AND P/N HC321B0043-001.Nov 22, 1998 · Bag BAE146300A · Landing Gear Door Retract SectionSDR AU981563Link · corroded(AUS) MAIN LANDING GEAR DOOR RT AND LT FORWARD HINGE LINKS CORRODED BEYOND LIMITS. LINKS P/N HC321H0026-002, P/N HC321B0045-002, AND P/N HC321B0043-001.Nov 22, 1998 · Bag BAE146100A · Landing Gear Door Retract SectionSDR AU981564Link · corroded(AUS) MAIN LANDING GEAR DOOR RT AND LT FORWARD HINGE LINKS CORRODED BEYOND LIMITS. LINKS P/N HC321H0026-002, P/N HC321B0045-002, AND P/N HC321B0043-001.Nov 22, 1998 · Bag BAE146200A · Landing Gear Door Retract SectionSDR AU981509Engine · failed(AUS) NR 4 ENGINE N2 FLAMED OUT. N2 SEIZED FOR APPROXIMATELY 10 MINUTES AND THEN FREED UP AND WINDMILLED. ENGINE REMOVED.Nov 16, 1998 · Engine (Turbine/Turboprop)SDR AU981491O Ring · leaking(AUS) NR 4 ENGINE NR 7 FUEL NOZZLE LEAKING FUEL. SUSPECT DUE TO FAILURE OF THE NOZZLE `O' RING SEAL. SOME HEAT DAMAGE TO THE RT OVERSPEED PICKUP LEAD.Nov 15, 1998 · Bag BAE146200A · Fuel Injector NozzleSDR CA981125009Wire · chafed(CAN) FUEL QUANTITY SYSTEM WIRING FOUND CHAFED. CHAFING IS WHERE WIRING FROM TANK SENSOR PASSES THROUGH TY WRAPS.Nov 12, 1998 · Bag BAE146200A · Fuel System WiringSDR AU981559Skin · cracked(AUS) FUSELAGE SKIN CRACKED. CRACK PASSED THROUGH A RIVET HOLE AT FRAME 29 APPROXIMATELY 50.8 MM (2 INCHES) ABOVE STRINGER 13 LT. FOUND DURING INSPECTION IAW BRITISH AEROSPACE SB 53-144 (AD/BAE146/70).Nov 8, 1998 · Bag BAE146200A · Fuselage Main, Plate/SkinSDR AU981461Sensor · malfunctioned(AUS) EFT MAIN LANDING GEAR UPLOCK PROXIMITY SENSOR FAULTY.Nov 7, 1998 · Bag BAE146100A · Landing Gear Position and WarningSDR CA981125011Lever · broken(CAN) UPON SELECTION OF AIRBRAKE/SPOILER, THE HANDLE BROKE OFF.Nov 5, 1998 · Bag BAE146200A · Drag Control SystemSDR AU981536Guide Vanes · damaged(AUS) NR 4 ENGINE FIRST STAGE HIGH PRESSURE NOZZLE GUIDE VANES DAMAGED AT APPROXIMATELY THE 8 O'CLOCK POSITION. PIECES MISSING FROM THE INNER SHROUD. COMBUSTOR BURNED WITH PIECES MISSING NEAR FUEL NOZZLES FROM THE 7 O'CLOCK TO 4 O'CLOCK POSITIONS.Nov 4, 1998 · Turbine SectionSDR CA981125093Carbon Seal · leaking(CAN) NR 4 ENGINE TRENDS SHOWING HIGH OIL CONSUMPTION. INVESTIGATION REVEALED NR 1 CARBON SEAL WORN. SEAL AND RUNNER REPLACED. PART TC: 3,616.Oct 28, 1998 · Turbine Engine Compressor SectionSDR AU981604Line · failed(AUS) LEFT MAIN LANDING GEAR UPLOCK ACTUATOR HOSE ASSEMBLY RUPTURED. HOSE LEAKING FROM END FITTING. LOSS OF `GREEN' SYSTEM HYDRAULICS.Oct 26, 1998 · Bag BAE146300A · Landing Gear Position and WarningSDR CA981125092Control Cable · frayed(CAN) THE AILERON CONTROL CABLE AT PULLEY STA 151.50 WAS FOUND WITH 4 OF 7 BROKEN STRANDS.Oct 26, 1998 · Bag BAE146200A · Aileron Control SystemSDR AU981387Oil · low pressure(AUS) NR 3 ENGINE LOST OIL PRESSURE. OIL QUANTITY AND TEMPERATURE INDICATIONS NORMAL.Oct 21, 1998 · Turbine Engine Oil SystemSDR AU981388Engine · malfunctioned(AUS) NR 2 ENGINE LOW POWER.Oct 21, 1998 · Engine (Turbine/Turboprop)SDR CA981022011Ring · loose(CAN) ON INSPECTION, THE CONSTANT SPEED DRIVE (CSD) RING WAS FOUND SEPARATED FROM THE ACCESSORY GEARBOX DUE TO THE ELONGATION OF THE BOLT ATTACHMENT HOLES.Oct 4, 1998 · Bag BAE146200A · Accessory GearboxesSDR CA981125003Air Distribution · contaminated(CAN) DURING CRUISE, ONE FLIGHT ATTENDANT REPORTED NUMBING OF THE LOWER FACE. NO AIR QUALITY PROBLEMS NOTED. JUST PRIOR TO DESCENT, A 2ND FLIGHT ATTENDANT REPORTED AS UNWELL. TC HEALTH AND SAFETY INSPECTED AIRCRAFT AND FOUND NOTHING.Sep 24, 1998 · Bag BAE146200A · Air Distribution SystemSDR 98ZZZM928Engine · failedNR 1 ENGINE FAIL/SAFE AND FIRE INFLIGHT. REMOVED AND REPLACED NR 1 ENGINE ASSY IAW BAE 146 MM AND AWAC GMM ENGINE CHANGE CHECKLIST VOLUME II SEC B CHAP 72. COMPLIED WITH ALL REQUIRED ENGINE GROUND RUNS. ALL PARAMETERS FOUND SATISFACTORY. (M)Sep 22, 1998 · N606AW · Bag BAE146200A · Engine (Turbine/Turboprop)SDR 99ZZZM602Engine · failedNR 1 EGINE FAILE AND FIRE IN FLIGHT. REMOVED AND REPLACED NR 1 ENGINE ASSY IAW BAE 146 MM ANS AWAC GMM ENG CHANGE CHECKLIST VOLUME II SEC B CHAP 72, COMPLIED WITH ALL REQ'D ENGINE GROUND RUNS. ALL PARAMETERS FOUND SATISFACTORY. (M)Sep 22, 1998 · N606AW · Bag BAE146200A · Engine (Turbine/Turboprop)SDR CA981125002Unknown · odor(CAN) DURING CRUISE, THE FLIGHT ATTENDANT REPORTED A SWEET SICKLY SMELL IN CABIN, NOT AN OIL SMELL. ALSO REPORTED A SORE THROAT AND SORE EYES. ENGINES CHECKED FOR OIL ON NR 1 AND NR 9 SEALS AND BLEED BANDS. NO OIL LEAKS FOUND. NR 1 AND NR 2 AIR CONDITIONINSep 22, 1998 · Bag BAE146200A · Air Distribution SystemSDR AU981205Warning System · activated(AUS) MANUAL SPOILER FAULT LIGHT ILLUMINATED. SYSTEM CHECKED, BUT NO REASON FOR THE FAULT COULD BE FOUND. DEFECT HAS NOT OCCURRED SINCE.Sep 21, 1998 · Bag BAE146100A · Drag Control SystemSDR AU981227Engine · failed(AUS) NR 4 ENGINE FAILED. AT POWER APPLICATION FOR TAKEOFF, THE ENGINE EMITTED A LOUD BANG AND STARTED TO RUN DOWN. TGT INCREASED TO APPROXIMATELY 1,150 DEGREES.Sep 19, 1998 · Engine (Turbine/Turboprop)SDR AU981229Engine · leaking(AUS) NR 1 ENGINE OIL LOSS. SUBMITTER STATED LIMITED INFORMATION PROVIDED.Sep 16, 1998 · Bag BAE146300A · Turbine Engine Oil SystemSDR AU981103Frame · corroded(AUS) FUSELAGE FRAME 18 CONTAINED STRESS CORROSION AND CRACKING IN FLANGES. A HOLE MEASURING 63.5 MM BY 25.4 MM (2.5 INCHES BY 1 INCH) WAS FOUND JUST BELOW FLOOR LEVEL AT THE RT SERVICE DOOR.Aug 28, 1998 · Bag BAE146100A · Fuselage Main, FrameSDR AU981108Longeron · corroded(AUS) REAR BAGGAGE BAY MAIN LONGERON CONTAINED EXTENSIVE STRESS CORROSION AT ALL FRAME INTERSECTIONS.Aug 28, 1998 · Bag BAE146100A · Fuselage Main, Longeron/StringerSDR 98ZZZX3987Valve · misinstalledATW - CROSS FEED VALVE (FUEL) FAILED THE TEST. REF: MM 28-22-44 PG 203, 3-15-95. 1.E STEPS 6 AND 7. FOUND ACT ELECTRICAL CONNECTORS P1 AND P2 SWAPPED. RETURNED PLUGS TO CORRECT POSITION TO NO AVAIL. TRIED NEW ACT HTE1451/1. ALSO, TO NO AVAIL. FOUND WIRAug 27, 1998 · N179US · Bag BAE146200A · Aircraft Fuel Distribution SystemSDR 98ZZZX3989Control Cable · corrodedATW - NR 2 ENGINE FUEL SHUT-OFF CABLES AT THE WING ROOT PULLEYS FORWARD OF FRAME NR 26 ARE CORRODED. REMOVED AND REPLACED NR 2 ENGINE FUEL SHUT-OFF CABLES IAW BAE MM. C/W OPS TEST OF THE NR 2 SHUT-OFF VALVE, OPS CHECKED GOOD.Aug 26, 1998 · N179US · Bag BAE146200A · Engine Emergency Shutdown SystemSDR CA980916004Oxygen Mask · wrong part(CAN) PART NUMBER K38667 DROP-OUT OXYGEN MASK ASSY [65 PSI SYSTEM] FOUND TO BE INSTALLED ON POST MOD 50043A - BAROMETRIC VALVE AUTOMATIC DROP-OUT [5-9 PSI SYSTEM] AIRCRAFT. BAE PC SHOWS P/N K38667 MASK ASSY WITH AIRCRAFT EFFECTIVITY SERIAL NUMBERS 001-999. MAug 19, 1998 · Bag BAE146200A · Passenger Oxygen SystemSDR CA980916003Unknown · odor(CAN) DURING DESCENT, SMELL NOTICED IN THE CABIN. AIR SAMPLE TAKEN. APU NOT RUNNING. INSPECTED ALL ENGINE NR 1 AND NR 9 SEALS FOR OIL LEAKS. NO FAULTS FOUND, AIRCRAFT RETURNED TO SERVICE. PART TC: 28,053.Aug 16, 1998 · Bag BAE146200A · Air Distribution SystemSDR CA990310012Valve · failed(CAN) DUCT TEMPERATURE HARD TO CONTROL. FLOW CONTROL AND MODE SELECTOR VALVES REPLACED.Jul 24, 1998 · Bag BAE146200A · Cabin Temperature Control SystemSDR CA980818036Engine · failed(CAN) NR 2 ENGINE FAILED ON TAKEOFF. NR 2 ENGINE REPLACED. ENGINE SENT FOR INVESTIGATION AND REPAIR. PART TC: 14,040.Jul 16, 1998 · Engine (Turbine/Turboprop)SDR AU981122Bearing · failed(AUS) NR 2 ENGINE 4/5 BEARING SUSPECT FAULTY.Jul 14, 1998 · Turbine SectionSDR CA980818034Bearing · spalled(CAN) DURING ROUTINE MAINTENANCE, METAL WAS FOUND ON THE ENGINE CHIP DETECTOR. ON TEARDOWN, THE NR 2 BEARING WAS FOUND SPALLED ON THE INNER AND OUTER RACES WITH MARKS ON THE BEARINGS. THE NR 2 BEARING PACK WAS REPLACED, THE OIL SYSTEM WAS FLUSHED, AND THE ENJul 10, 1998 · Turbine Engine Compressor Section
Back to Lycoming ALF502R-5