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 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 NORMALLYJun 22, 1996 · Bac 146200A · Passenger/Crew DoorsSDR AU960845Actuator · contam-water(AUS) FLAPS LOCKED IN ZERO DEGREES POSITION - INVESTIGATION FOUND WATER INGRESS INTO FLAP ACTUATOR BALLNUTS - AEROSHELL 7 GREASE USEDJun 18, 1996 · Bac 146200A · Trailing Edge Flap Control SystemSDR 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.May 29, 1996 · Turbine SectionSDR CA960606010Fastener · sheared(CAN) DURING ROUTINE INSPECTION OF MAIN LANDING GEAR RIGHT HAND WHEEL WELL FOUND 2 HYLOK FASTENERS SHEARED.May 27, 1996 · Bag BAE146200A · Fuselage Miscellaneous StructureSDR 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. MAIMay 26, 1996 · N608AW · Bag BAE146200A · Engine (Turbine/Turboprop)SDR 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 TINSPECTIONMay 20, 1996 · Engine Fuel DistributionSDR AU960649Fcu · faulty(AUS) NO3 ENGINE FUEL CONTROL UNIT INTERNAL LEAKAGE PAST SERVO PISTON SEALS TOGETHER WITH DAMAGED SERVO SPOOL, PLATE AND SLEEVEMay 19, 1996 · Bac 146200A · Fuel Control/Turbine EnginesSDR AU960678Processor · faulty(AUS) NO2 ENGINE DUAL LOW OIL PRESSURE PROCESSOR FAULTY - CAUSES INTERFERENCE WITH MASTER WARNING SYSTEM - LYCOMING MODIFICATION79-2-0013D HAD BEEN CARRIED OUTMay 18, 1996 · Bac 146200A · Engine Oil Indicating SystemSDR 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 TRAILIMay 17, 1996 · Turbine SectionSDR 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.May 16, 1996 · Bag BAE146200A · Fuel StorageSDR 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.May 16, 1996 · Engine Vibration AnalyzerSDR 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.May 14, 1996 · N606AW · Bag BAE146200A · Turbine Engine Compressor SectionSDR 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.May 14, 1996 · Engine Fuel PumpSDR 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 DETECTORMay 13, 1996 · Bac 146200A · APU Oil SystemSDR AU960796Windshield · failed(AUS) LH `B' WINDSCREEN ARCED AT TOP LEFT HAND CORNER AND THEN THE OUTER GLASS PLY SHATTERED - SUSPECT FAILURE WAS HEAT RELATEDMay 10, 1996 · Bac 146200A · Flight Compartment WindowsSDR CA960513013Winshield · cracked(CAN)CAPTAIN'S "A" PANEL WINDSHIELD CRACKED ON DESCENT THROUGH 4,000 FEET.May 9, 1996 · Bag BAE146200A · Flight Compartment WindowsSDR AU960951Terminal · arcing(AUS) NO1 AC GENERATOR BUS TERMINAL BLOCK `A' PHASE `B' STUD ARCINGMay 3, 1996 · Bac 146300A · AC Power Distribution SystemSDR 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.May 2, 1996 · Turbine SectionSDR 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 RUPTUREDMay 1, 1996 · Turbine SectionSDR 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 May 1, 1996 · Bag BAE146200A · Extinguishing SystemSDR AU960798Windshield · failed(AUS) RH `B' WINDSCREEN OUTER GLASS PLY SHATTERED - SUSPECT CAUSED BY ARCINGApr 29, 1996 · Bac 146200A · Flight Compartment WindowsSDR 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 RIVEApr 25, 1996 · Bac 146300A · Cabin Cooling SystemSDR 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.Apr 24, 1996 · Bag BAE146200A · Engine Fuel PumpSDR CA960424005Oil System · contaminated(CAN)#4 ENGINE CHIP DETECTOR ON ANALYSIS OF DEBRIS SHOWS BEARING AND GEAR MATERIAL PRESENT. ENGINE REPLACEDApr 23, 1996 · Turbine Engine Oil SystemSDR 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 DEFUELApr 16, 1996 · Bac 146300A · Aircraft Fuel Distribution SystemSDR AU960924Ptu · malfunctioned(AUS) HYDRAULIC SYSTEM POWER TRANSFER UNIT (PTU) CAUSING HIGH TEMPERATURE WARNING IN THE 'YELLOW' HYDRAULIC SYSTEMApr 13, 1996 · Bac 146300A · Hydraulic System, MainSDR 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 FLUIDApr 12, 1996 · Bac 146200A · Landing Gear Retraction/Extension SystemSDR AU960513Windshield · delaminated(AUS) RH `B' WINDSCREEN OUTER PANE DELAMINATED AND A LARGE SECTION SEPARATEDApr 11, 1996 · Bac 146200A · Flight Compartment WindowsSDR CA960415003Window · cracked(CAN)PASSENGER WINDOW ON LEFT HAND SIDE IS CRAZED WITH EVIDENCE OF A CRACK DEVELOPING.Apr 11, 1996 · Bag BAE146200A · Passenger Compartment WindowsSDR CA960415006Control Unit · internal failure(CAN)#1 GENERATOR FAILED. FOUND GENERATOR CONTROL UNIT HAD INTERNAL FAILURE. REPLACED GCU.Apr 11, 1996 · Bag BAE146200A · DC RegulatorSDR AU961103Motor · defective(AUS) LANDING GEAR SELECTOR VALVE ACTUATOR HIGH RESISTANCE DUE TO POOR BRUSH CONTACT WITH COMMUTATORApr 9, 1996 · Bac 146200A · Landing Gear Retraction/Extension SystemSDR 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.Apr 7, 1996 · N606AW · Bag BAE146200A · Turbine Engine Accessory DriveSDR 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/DIPSTICKApr 6, 1996 · Bac 146300A · APU Oil SystemSDR 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.Apr 2, 1996 · N616AW · Bag BAE146300A · Engine Fuel PumpSDR 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 AMar 25, 1996 · Turbine SectionSDR AU960805Harness · damaged(AUS) NO1 ENGINE OIL INDICATION SYSTEM HARNESS DAMAGED AND SHORT CIRCUITING ON PYLON DRAIN PIPE ON FRONT RH COWLINGMar 23, 1996 · Engine Oil Indicating SystemSDR AU960333Panel · cracked(AUS) APU CENTRAL FIRE BOX PANEL CRACKED IN THREE PLACES - FOUND DURING INSPECTION IAW AD/BAE146/53 AMDT1Mar 21, 1996 · Bac 146200A · Airborne Auxiliary Power Unit (APU) SystemSDR 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.Mar 20, 1996 · Bag BAE146200A · Turbine Engine Compressor SectionSDR 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)Mar 16, 1996 · N616AW · Bag BAE146300A · Fuel Control/Turbine EnginesSDR 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 SECONDSMar 16, 1996 · Bac 146200A · Fuel Control/Turbine EnginesSDR 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 CHAFINMar 15, 1996 · Bac 146200A · Detection SystemSDR 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.Mar 12, 1996 · N606AW · Bag BAE146200A · Engine (Turbine/Turboprop)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)Mar 11, 1996 · N607AW · Bag BAE146200A · Engine (Turbine/Turboprop)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 CONTACTMar 8, 1996 · Bac 146300A · Landing Gear Retraction/Extension SystemSDR AU960839Clutch · slipped(AUS) LANDING GEAR SELECTOR VALVE ACTUATOR CLUTCH SLIPPINGMar 7, 1996 · Bac 146200A · Landing Gear Retraction/Extension SystemSDR 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.Mar 1, 1996 · Turbine Engine Oil SystemSDR 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 Feb 28, 1996 · Bag BAE146200A · APU Oil SystemSDR 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 RFeb 28, 1996 · Turbine Engine Oil SystemSDR 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 EFeb 28, 1996 · Turbine Engine Oil SystemSDR 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.Feb 28, 1996 · Bag BAE146200A · APU Oil System
Back to Lycoming ALF502R-5