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.
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
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 AU960875Lock · req lube(AUS) FORWARD PASSENGER DOOR COULD NOT BE OPENED FROM INSIDE AIRCRAFT -WHEN OPENED FROM OUTSIDE THE DOOR MECHANISM SOUNDED ROUGH IN OPERATION - MECHANISM WAS LUBRICATED AND EXERCISED AND NOW OPERATES NORMALLYSDR AU960845Actuator · contam-water(AUS) FLAPS LOCKED IN ZERO DEGREES POSITION - INVESTIGATION FOUND WATER INGRESS INTO FLAP ACTUATOR BALLNUTS - AEROSHELL 7 GREASE USEDSDR CA960605008Blade · fractured(CAN)AT TOP OF CLIMB, #3 ENGINE VIBRATION SUDDENLY ESCALATED TO 3.0 IPS, N1 DECAY ALSO EVIDENT, ENGINE SHUTDOWN. BOROSCOPE INSPECTION REVEALED ONE RUPTURED BLADE ON #2 G.P. TURBINE DISC.SDR CA960606010Fastener · sheared(CAN) DURING ROUTINE INSPECTION OF MAIN LANDING GEAR RIGHT HAND WHEEL WELL FOUND 2 HYLOK FASTENERS SHEARED.SDR 96ZZZX3127Engine · malfunctionedDSM - FLT 558 - IN ICE ABOVE 26,000 FEET, ALL 4 ENGINES ROLLED BACK TO 40-45 PERCENT. CREW SHUT DOWN NR 1 AND NR 2 DUE TO RISING TGT (APPROXIMATELY 900 DEGREES CELSIUS). NR 2 WAS RE-STARTED. NR 2, NR 3, AND NR 4 RECOVERED. LANDED WITHOUT INCIDENT DSM. MAISDR CA960610015Manifold · cracked(CAN)ON CLIMB, FIRE INDICATION ILLUMINATED, POWER LEVER RETARDED AND LIGHT EXTINGUISHED, FUEL MANIFOLD CRACKED AT THE #5 SCALLOP, CONFIRMED BY N D T 394 HOURS SINCE PREVIOUS N D TINSPECTIONSDR AU960649Fcu · faulty(AUS) NO3 ENGINE FUEL CONTROL UNIT INTERNAL LEAKAGE PAST SERVO PISTON SEALS TOGETHER WITH DAMAGED SERVO SPOOL, PLATE AND SLEEVESDR AU960678Processor · faulty(AUS) NO2 ENGINE DUAL LOW OIL PRESSURE PROCESSOR FAULTY - CAUSES INTERFERENCE WITH MASTER WARNING SYSTEM - LYCOMING MODIFICATION79-2-0013D HAD BEEN CARRIED OUTSDR CA960524001Blade · fractured(CAN)ON TAKEOFF JUST AFTER POWER SET, A BANG HEARD & #3 FAN SPEED DROPPED TO "0" RPM. TAKEOFF REJECTED & #3 ENGINE SHUTDOWN. ENGINE TEARDOWN REVEALED SEVERE DAMAGE STARTING AT THE #1 TURBINE DISC REARWARD.NO DAMAGE NOTED AHEAD OF THE DISC OTHER THAN THE TRAILISDR CA960524010High Lock Bolts · loose(CAN) FUEL LEAK NOTED AT LEFT HAND WING ROOT AT REAR SPAR.HIGH LOCK BOLTS "A", "B", "C", REPLACED WITH MS21250 BOLTS AS PER HC536H9156.SDR CA960524012Wiring · broken(CAN)#4 ENGINE VIBRATION INDICATION WENT UP TO 1.3. NO VIBRATION FELT IN POWER LEVER. POWER REDUCED AND VIBRATION INDICATION DROPPED TO NORMAL. BROKEN WIRE REPAIRED.SDR 96ZZZX3125Compressor · stalledASE - FLT 650 - WHILE APPLYING TAKEOFF POWER, NR 2 ENGINE POPPED AND SHUT DOWN. DEN MX LOCKED DOWN ENGINE AND WILL 3-ENGINE FERRY TO ATW. REMOVED AND REPLACED ENGINE.SDR CA960527010Driveshaft · stripped(CAN)AFTER LANDING, SMALL AMOUNT OF FUEL LEAKING FROM #4 ENGINE DRAIN MAST. FUEL CONFIRMED COMING FROM BOOST PUMP. PUMP REMOVED, DRIVESHAFT SPLINES STRIPPED ON THE PUMP END. DRIVE SHAFT FAILURE IMMINENT.SDR AU960648Bearing · incorrect fit(AUS) APU OIL COOLER FAN THRUST BEARING FAILED DUE TO INCORRECT FITMENT(FITTED BACK TO FRONT) - METAL CONTAMINATION OF APU OIL COOLER MATRIX, OIL FILTERS (2OFF) AND CHIP DETECTORSDR AU960796Windshield · failed(AUS) LH `B' WINDSCREEN ARCED AT TOP LEFT HAND CORNER AND THEN THE OUTER GLASS PLY SHATTERED - SUSPECT FAILURE WAS HEAT RELATEDSDR CA960513013Winshield · cracked(CAN)CAPTAIN'S "A" PANEL WINDSHIELD CRACKED ON DESCENT THROUGH 4,000 FEET.SDR AU960951Terminal · arcing(AUS) NO1 AC GENERATOR BUS TERMINAL BLOCK `A' PHASE `B' STUD ARCINGSDR CA960513009Turbine Blade · blade(CAN) AFTER TAKEOFF, ENGINE VIBRATION ON NR 4 ENGINE AT 3.0 IPS. CREW REDUCED POWER TO FLIGHT IDLE AND VIBRATION DECREASED TO 1.0 IPS. ONE BLADE MISSING ON 4TH TURBINE DISC AND 4TH NOZZLE DAMAGE.SDR CA960513008Blades · ruptured(CAN)IN CRUISE, #4 ENGINE TGT AND VIBRATION ABOVE LIMITS ACCOMPANIED BY FLAMES OUT OF TAILPIPE ENGINE SHUTDOWN. BORESCOPE INSPECTION REVEALED FIRST STAGE GAS PRODUCER TURBINE BLADES RUPTUREDSDR CA960513028Wire · chafed(CAN)#4 ENGINE VIBRATING & BELCHING FLAMES FROM EXHAUST. DURING SHUTDOWN, CREW PULLED #4 FIRE HANDLE, #1 CIRCUIT AND FIRED HALON BOTTLE. MAINTENANCE CONFIRMED THAT BOTTLE WAS DISCHARGED, HOWEVER, DISCHARGE DISC LENS ON NOSE COWL REMAINED "GREEN" AND PILOT DID SDR AU960798Windshield · failed(AUS) RH `B' WINDSCREEN OUTER GLASS PLY SHATTERED - SUSPECT CAUSED BY ARCINGSDR AU960754Turbine · seized(AUS) RIVET ATTACHING BAFFLE TO PLENUM/TORUS FAILED AND WAS INGESTED BYTHE RH AIRCONDITIONING PACK COOLING TURBINE CAUSING IT TO SEIZE -INVESTIGATION FOUND THAT THE PLENUM/TORUS BAFFLE ASSEMBLY PNO 1344D710 CAME LOOSE DUE TO THE FAILURE OF THE ATTACHMENT RIVESDR 96ZZZX2486Nozzle · fracturedINSPECTION FOUND METAL CHIPS IN FILTER. PUMP NOZZLE IS FRACTURED AND HAS ENTERED MAIN GEAR ASSEMBLY. PUMP IS BEING SENT TO C.E.C.O. (MANUFACTURER) FOR TEAR DOWN AND INVESTIGATION.SDR CA960424005Oil System · contaminated(CAN)#4 ENGINE CHIP DETECTOR ON ANALYSIS OF DEBRIS SHOWS BEARING AND GEAR MATERIAL PRESENT. ENGINE REPLACEDSDR AU961108Fuel System · contaminated(AUS) NO1 ENGINE FUEL FEED PIPE CONTAMINATED BY AIR IN LINES - AIRCRAFTHAD BEEN COMPLETELY DEFUELLED THE PREVIOUS NIGHT - THERE IS NO REQUIREMENT FOR BLEEDING OF THE FUEL SYSTEM FOLLOWING COMPLETE DEFUELSDR AU960924Ptu · malfunctioned(AUS) HYDRAULIC SYSTEM POWER TRANSFER UNIT (PTU) CAUSING HIGH TEMPERATURE WARNING IN THE 'YELLOW' HYDRAULIC SYSTEMSDR AU960700Hose · failed(AUS) RH MAIN LANDING GEAR ACTUATOR DOWN LINE FLEXIBLE HOSE BURST IN AREA JUST BELOW 90 DEGREE UNION WHERE HOSE ATTACHES TO MANIFOLD -LOSS OF GREEN SYSTEM HYDRAULIC FLUIDSDR AU960513Windshield · delaminated(AUS) RH `B' WINDSCREEN OUTER PANE DELAMINATED AND A LARGE SECTION SEPARATEDSDR CA960415003Window · cracked(CAN)PASSENGER WINDOW ON LEFT HAND SIDE IS CRAZED WITH EVIDENCE OF A CRACK DEVELOPING.SDR CA960415006Control Unit · internal failure(CAN)#1 GENERATOR FAILED. FOUND GENERATOR CONTROL UNIT HAD INTERNAL FAILURE. REPLACED GCU.SDR AU961103Motor · defective(AUS) LANDING GEAR SELECTOR VALVE ACTUATOR HIGH RESISTANCE DUE TO POOR BRUSH CONTACT WITH COMMUTATORSDR 96ZZZX3126Mounting Pad · separatedMKE - FLT 548 - NR 4 ENGINE OIL LEAK. FOUND STARTER MOUNTING PAD SEPARATING FROM ACCESSORY GEARBOX. THREE-ENGINE FERRY TO ATW FOR GEARBOX CHANGE. REMOVED AND REPLACED STARTER MOTOR.SDR AU960520O-Ring · failed(AUS) APU ENGINE OIL SYSTEM QUANTITY LOW - SMOKE OBSERVED FROM EXHAUST - GENERATOR DRIVE CARBON SEAL LEAKING - MAIN CAUSE OF OIL LOSS ISCONSIDERED TO BE A FAILED `O' RING SEAL ON THE OIL FILLER/DIPSTICKSDR 96ZZZX2090Nozzle · fracturedENGINE SHUT DOWN IN-FLIGHT. FOUND NOZZLE FRACTURED AND ENTERED GEARS CAUSING DRIVE SHAFT TO SHEAR. PUMP IS BEING SENT TO C.E.C.O. (MANUFACTURER) FOR INVESTIGATION.SDR CA960418016Screw · loose(CAN)ON REMOVAL OF THE 4TH ROTOR, A SCREW WAS FOUND LOOSE AND PROTRUDING APPROXIMATELY 3/16 INCH FROM THE REAR HEAT SHIELD WITH ASSOCIATED DAMAGE IN THE AREA OF THE BLADE ROOTS. RIVET HEADS WORN DOWN AND L IGHTLY RUBBING ON ROTOR DISC. MANUFACTURER SUGGESTED ASDR AU960805Harness · damaged(AUS) NO1 ENGINE OIL INDICATION SYSTEM HARNESS DAMAGED AND SHORT CIRCUITING ON PYLON DRAIN PIPE ON FRONT RH COWLINGSDR AU960333Panel · cracked(AUS) APU CENTRAL FIRE BOX PANEL CRACKED IN THREE PLACES - FOUND DURING INSPECTION IAW AD/BAE146/53 AMDT1SDR CA960321002Seal · leaking(CAN) AFTER TAKEOFF, SMELL OF OIL IN COCKPIT AND CABIN FOR TWO MINUTES. OIL FOUND LEAKING FROM #1 SEAL #3 ENGINE. #2 AIRPACK MADE INOPERATIVE AS PER MEL.SDR 96ZZZM749Fuel Control · failedEN ROUTE TO ORD ON FLT 572 AT CRUISE POWER, NR 4 ENGINE DECELERATED BY ITSELF AND FLAMED OUT. ORD MAINTENANCE FOUND FCU SHAFT SHEARED. REPLACED FCU. (M)SDR AU960340Fcu · faulty(AUS) NO4 ENGINE FUEL CONTROL UNIT SUSPECT FAULTY - TGT ROSE TO APPROXIMATELY 700 DEGREES C - ENGINE DISPLAY PANEL SHOWED TGTREACHED 929 DEGREES C FOR 3 SECONDSSDR AU960470Wire · worn(AUS) DURING MAINTENANCE UNDER NO2 PYLON (ENGINE REMOVED), A NUMBER OF FIRE/OVERHEAT DETECTOR WIRES WERE FOUND CHAFED WHERE THEY ENTER THE SUPPORT SLEEVE OF THE LEADING EDGE PYLON FIRESEAL 'F' - THE OTHER THREE PYLONS WERE INSPECTED AND TWO HAD SIMILAR CHAFINSDR 96ZZZX3124Engine · failedDEN - FLT 604 - NR 2 ENGINE FAILED IN-FLIGHT, NR 1 BOTTLE BLOWN. ENGINE CHECK LIST C/W. REMOVED AND REPLACED NR 2 ENGINE IAW MM, PAGE 28412/3 FOR REMOVAL AND REPLACMEENT OF BOTTLE. S/N OFF, LF-05220. S/N ON LF-05076.SDR 96ZZZM756Engine · failedNR 1 ENGINE VIB INDICATION WENT TO 2.4 FOLLOW BY ERRATIC TGT READING, SHUTDOWN PER ABNORMAL CHECKLIST. REMOVED AND REPLACED NR 1 ENGINE IAW MM. GROUND RAN AND LEAK CHECK OK. (M)SDR AU961109Motor · seized(AUS) LANDING GEAR SELECTOR VALVE ACTUATOR FAULTY - INVESTIGATION FOUND INSULATION VARNISH IN THE AIR GAP BETWEEN THE ARMATURE AND FIELD POLES AND POOR BRUSH CONTACTSDR AU960839Clutch · slipped(AUS) LANDING GEAR SELECTOR VALVE ACTUATOR CLUTCH SLIPPINGSDR CA960304002Seals · leaking(CAN) AIRCRAFT RETURNED TO AIRPORT WITH AIR CONDITIONING PROBLEM. #1 SEAL IN #2 ENGINE FOUND LEAKING. PROBLEM IS SUSPECTED TO BE DUE TO COMPANY CAMPAIGN TO CHANGE OIL FROM EXXON 2380 TO CASTROL 5000. SEAL REPLACED AND OIL CHANGED BACK TO EXXON 2380.SDR CA960229002Apu · oil leak(CAN) AFTER SITTING FOR 1.5 HOURS WITH APU AND AIR CONDITIONING RUNNING, THE CABIN BECAME CONTAMINATED WITH FUMES. THE AIRCRAFT WAS AIRED OUT AND THE APU INOP'D. APPEARS TO BE AN INTERNAL OIL LEAK IN THE APU. SUBMITTER SUSPECTS COMPANY CAMPAIGN TO CHANGE FROM SDR CA960229003Seals · oil leak(CAN) AFTER ENGINE START, CABIN FILLED WITH SMOKE, #3 ENGINE FOUND TO HAVE OIL IN HP COMPRESSOR SECTION. ENGINE REPLACED. SUBMITTER SUSPECTS COMPANY CAMPAIGN TO CHANGE OIL FROM EXXON 2380 TO CASTROL 5000. OIL IS BEING CHANGED BACK AND #1 AND #9 BEARING SEALS RSDR CA960229004Bearing Seal · leaking(CAN) DURING SHORT FINAL, FLIGHT ATTENDANTS NOTICED A BLUE HAZE IN CABIN. THE FLIGHT CREW SELECTED APU AIR AND HAZE DISSIPATED. ENGINE #3 OIL LEAK FROM #1 BEARING SEAL. ENGINE CHANGED. IT IS SUSPECTED THAT OIL LEAK IS FROM COMPANY CAMPAIGN TO CHANGE OIL FROM ESDR CA960229005Seals · oil leak(CAN) AFTER ENGINE START WITH BLEEDS OFF AND APU AIR ON, CABIN FILLED WITH SMOKE. AIRCRAFT RETURNED TO RAMP AND APU REPLACED. IT IS SUSPECTED THAT RECENT RASH OF OIL LEAKS IS DUE TO COMPANY CAMPAIGN TO REPLACE EXXON 2380 OIL WITH CASTROL 5000.
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