GE CFM56 series
Service difficulty reports · 5,028
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 = 'CFM56' 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 = 'CFM56' 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 99UAL900116Bearing · failedPLANE ARRIVED WITH NR 3 MAIN LANDING GEAR TIRE MISSING. *S/D* AIRCRAFT LANDED WITHOUT INCIDENT. INSPECTED NR 3 OUTBOARD WHEEL BEARING. FAILED OUTBOARD BEARING WAS FOUND TO BE 737-291 INBOARD WHEEL BEARING (P/N BEA7300-000497AFA). REPLACED NR 3 WHEEL/TIRE ANSDR 99UAL900098Line · failedTHE NUMBER TWO ENGINE GENERATOR FAILED. *S/D* CSD SERVICING LINE WAS FOUND CRACKED. NR 2 ENGINE GENERATOR FELL OFF LINE DUE TO LOW CSD OIL LEVEL. REPLACED CSD SERVICING LINE, CSD, GENERATOR AND OIL COOLER, OPS CHECK OK.SDR 99UAL900093Engine · smokingBLACK SMOKE WAS OBSERVED COMING FROM NR 1 ENGINE. *S/D* THIS WAS A NEW ENGINE INSTALLATION. POSSIBLE RESIDUAL OIL IN THE EXHAUST PATH. NO CONFIRMED SMELLS NOTED IN CABIN. NO FUEL, OIL, OR HYDRAULIC LEAKS FOUND. NO OIL OR CARBON STREAKING IN THE EXHAUST. NSDR 99UAL900094Overheat Element · malfunctionedRIGHT HAND WING-BODY OVERHEAT WARNING. *S/D* REPLACED THE RIGHT WING LEADING EDGE DETECTOR ELEMENT ITEM M1204, REFERENCE MM 26-18-11 PG 401, OPS CHECK OK.SDR 99UAL900071Blade · lack of lubeMODERATE AIRFRAME VIBRATION FELT MAINLY IN THE FRONT OF THE AIRCRAFT AFTER FLAP AND GEAR RETRACTION. *S/D* AIRFRAME VIBRATION CONDITIONAL INSPECTIONS AND VIBRATION INSPECTIONS OF THE NR 1 ENGINE WERE ACCOMPLISHED. ALL FLIGHT CONTROLS WERE WITHIN INSERVICE LSDR 99UAL900072Sensor · out of adjustFORWARD CARGO DOOR WARNING LIGHT. *S/D* MECHANIC SUSPECTS FOD IN THE FORWARD PIT MAY HAVE CAUSED INDICATION PROBLEM. ADJUSTED DOOR SENSOR TARGET TO CORRECT POSITION. OPERATIONS CHECK ACCOMPLISHED ON DOOR WARNING SYSTEM CHECKS GOOD.SDR 99UAL900062Quill Shaft · shearedAN APU TAILPIPE FIRE OCCURRED DURING APU STARTUP. THE APU HAD HEAT DAMAGE. THE AFT AND LT SIDE OF THE FUSELAGE TAIL CONE INSTALLATION (P/N 65-46577-569) ALSO SUFFERED HEAT DAMAGE, AS WELL AS THE LWR I/B 2 FT OF THE LT ELEVATOR (P/N 65C25746-131) & LOWER I/BSDR 99UAL900051Sensor · bentAFT CARGO DOOR LIGHT CAME ON. *S/D* SENSOR ACTUATOR WAS BENT. REPLACED SENSOR ACTUATOR, CHECKS GOOD.SDR 99UAL900012Switch · failedRIGHT PACK TRIPPED OFF. *S/D* RIGHT PACK TRIPPED OFF DUE TO FAILED 390¡ COMPRESSOR DISCHARGE OVERHEAT SWITCH. REPLACED 390¡ COMPRESSOR DISCHARGE OVERHEAT SWITCH. OPERATIONAL CHECK IS OK.SDR 98UAL900617Circuit Breaker · failedLEFT WINDSHIELD HEAT INOP. *S/D* LEFT WINDSHIELD HEAT INOP DUE TO WEAK C228 CIRCUIT BREAKER. REPLACED CIRCUT BREAKER. LEFT WINDOW HEAT CHECKS GOOD.SDR 98UAL900618Altimeter · inoperativeALTIMETER IS INOP. *S/D* TROUBLESHOOTING WAS INEFFECTIVE. REPLACED ALTIMETER, PITOT PROBE, AND CIRCUIT BREAKER.SDR 98UAL900615Altimeter · defectiveALTIMETER FAILED. *S/D* CAPTAIN'S SERVO ELECTRIC ALTIMETER INDICATOR FLAGGED OFF AND FROZE. REPLACED CAPTAIN'S ALTIMETER AND CHECKED NORMAL.SDR 98UAL900599Overheat Light · illuminatedDUCT OVERHEAT INDICATION. RAN LEFT PACK ON GROUND PER MAINTENANCE MANUAL SERVICE TIP 21-61-99-PG200 SYSTEM CHECK'S OKAY, NO FAULTS FOUND.SDR 98UAL900584Wire · failedFLOOR EEL INOP. REPLACED STRIP AND OPS CHECKED OK.SDR 98UAL900582Switch · malfunctionedLOSS OF FUEL PRESSURE. *S/D* CHECKED EACH BOOST PUMP CHECK VALVE AND ORIFICE FOR DEBRIS. CHECKED ENGINE FILTERS FOR DEBRIS, NONE FOUND. FUEL SAMPLES CHECKED OK. REPLACED LOW PRESSURE WARNING SWITCHES FOR BOTH MAIN FUEL TANKS. BLED SENSE LINES. PRESSURE SDR 98UAL900569Battery Pack · dischargedTHE BATTERY FOR THE EEL ON THE LEFT SIDE IS INOP. EEL LIGHTS WERE LEFT ON THE LEFT SIDE OF THE AIRCRAFT, IN EFFECT DRAINING THE BATTERY. THE BATTERY WAS REPLACED AT ROW 6 ON THE LEFT SIDE AND OPS CHECKED OK.SDR 98UAL900571Fan · inopEXHAUST COOLING FAN INOP. REPLACED THE EQUIPMENT RACK ELECTRIC COOLING BLOWER.SDR 98UAL900568Bearing · failedOIL FUMES IN CABIN. NR 4 MAIN BEARING FAILURE CAUSED ENGINE STALL DURING CLIMB AND RESULTING OIL SMELL IN THE CABIN. THE BEARING FAILURE CAUSED A SLIGHT DROP OF THE N2 COMPRESSOR SHAFT ALLOWING AIR/OIL FUMES PAST THE NR 3 BRG SEAL LANDS. REPLACED THE NR 4 BSDR 98UAL900564Oven · smokingGALLEY STARTED TO SMOKE. *S/D* OVEN INOP. REPLACED OVEN.SDR 98UAL900553Module · failedFIRE WARNING BELL INOP. REPLACED AURAL WARNING MODULE.SDR 98UAL900528Fire Loop · malfunctionedFIRE WARNING INDICATION. REPLACED LOWER FAN LOOP AND FIREWALL LOOP.SDR 98UAL900526Air Dist · odorHOT OIL SMELL WAS NOTED, ON THE FLIGHT DECK ONLY. AFTER THREE (3) MAINTENANCE OPERATIONAL CHECKS (ENGINES OPERATING) AND DETAILED VISUAL INSPECTION OF THE APU/PNEUMATIC DUCTING, NO OIL LEAKS OR HOT OIL SMELLS WERE NOTED. NO FAULT FOUND.SDR 98UAL900519Light · illuminatedEQUIPMENT COOLING EXHAUST OFF LIGHT ON STEADY IN BOTH NORMAL AND ALT POSITIONS.SDR 98UAL900520Element · failedAPU FIRE LIGHT CAME ON. NO EXTERIOR INDICATIONS. REPLACED APU TAIL PIPE OVER HEAT SENSING ELEMENT AND WIRE HARNESS FOR OVER HEAT ELEMENT, REF MM 26-15-14. TESTED OK.SDR 98UAL900477Bleed Valve · failedRIGHT HAND PACK BECAME INOPERATIVE. *S/D* RIGHT HAND PACK TRIPPED OFF AND COULD NOT BE RESET DUE TO NR 2 HIGH STAGE BLEED VALVE FAILING IN THE OPEN POSITION. REPLACED THE NR 2 HIGH STAGE BLEED VALVE.SDR 98UAL900474Oil Syst · reqd serviceAPU WENT OFF-LINE. *S/D* APU FAULT LIGHT CAME ON AND APU SHUT DOWN INFLIGHT. SERVICED APU WITH ONE QUART OF OIL, STARTED AND RAN SEVERAL TIMES ABOUT 4 HOURS. GROUND CHECKS NORMAL.SDR 98UAL900475Hardware · wornAIRCRAFT VIBRATING DURING FLIGHT. *S/D* RIGHT HAND ELEVATOR BALANCE TAB INBOARD HINGE HARDWARE WAS WORN. REPLACED SAME.SDR 98UAL900468Air Valve · failedLOSS OF PRESSURIZATION. *S/D* THE LEFT HAND PACK TRIPPED OFF, THEN RESET AND TRIPPED OFF AGAIN. THEN THE RIGHT HAND PACK TRIPPED OFF AND WAS RESET. THE LEFT HAND FAN AIR VALVE FAILED AND WAS REPLACED. THE RIGHT HAND FAN AIR VALVE TEMPERATURE SENSOR FAILEDSDR 98UAL900457Acm · failedSMOKE IN THE COCKPIT. *S/D* RIGHT AIR CYCLE MACHINE SEIZED AND THE WATER SEPARATOR COALESCER BAG BECAME SATURATED WITH OIL. REPLACED THE RIGHT AIR CYCLE MACHINE AND WATER SEPARATOR COALESCER BAG.SDR 98UAL900454Caution Light · illuminatedMASTER CAUTION LIGHT ILLUMINATED. *S/D* THERE IS NO RECORD NOTED IN THE AIRCRAFT HISTORY FOR THE MASTER CAUTION LIGHT ILLUMINATION. THE RECORD SHOWS THAT AN ABORTED TAKEOFF OCCURRED THEREFORE A HIGH ENERGY STOP CHECK WAS CONDUCTED WITH NO DAMAGE FOUND. IN SDR 98UAL900455Circuit Breaker · trippedDID NOT RECEIVE GEAR LOCK INDICATION LIGHT. *S/D* FOUND THE AIR, GROUND RELAY AND LIGHTS CIRCUIT BREAKER OPENED. RESET AND GROUND TESTED OK.SDR 98UAL900456Fire Loop · failedAPU FIRE WARNING INDICATION. *S/D* TROUBLESHOOTING FOUND APU LOOP M515 READING 234 OHMS TO GROUND. THIS READING WAS OUT OF LIMITS. REPLACED M9323 APU TAILPIPE DETECTION HARNESS, AND TESTED SYSTEM PER AMM 26-15-00, SYSTEM CHECKED NORMAL. ALSO, REPLACED THESDR 98UAL900437Sense Line · damagedRIGHT BLEED TRIPPED RESULTING IN A LOSS OF CABIN PRESSURE. *S/D* WHEN THE RIGHT HAND PACK TRIPPED OFF, THE ISOLATION VALVE OPENED AND BLEED AIR SUPPLIED FROM THE LEFT HAND PACK ENTERED INTO THE RIGHT SIDE OF THE PNEUMATIC MANIFOLD. A HOLE WAS DETECTED IN THSDR 98UAL900436Igv Actuator · looseNR 2 ENGINE NOT GENERATING ENOUGH POWER. *S/D* REPLACED ENGINE. FOUND LEFT INLET GUIDE VANE BOLT/NUT ATTACHING INLET GUIDE VANE ACTUATION RING TO BELLCRANK ASSEMBLY ROD-END MISSING. NUT: J149P10BOLT: 99970M42P02.SDR 98UAL900426Flow Sensor · failedEQUIPMENT COOLING FANS FAILED. *S/D* THE LOW FLOW SENSOR FAILED IN BOTH NORMAL AND ALTERNATE MODES. THE LOW FLOW SENSOR WAS REPLACED.SDR 98UAL900427Ivg Actuator · looseN2 OVERSPEED ON NUMBER TWO ENGINE. *S/D* REPLACED ENGINE. FOUND LEFT INLET GUIDE VANE BOLT/NUT ATTACHING INLET GUIDE VANE ACTUATION RING TO BELLCRANK ASSEMBLY ROD-END MISSING. NUT: J149P10BOLT: 99970M42P02.SDR 98UAL900421Sensor · out of adjustCARGO DOOR WARNING LIGHT ILLUMINATED. *S/D* ADJUSTED SENSOR TARGET.SDR 99ZZZX248Combustor · crackedCRACKED PORTION OF COMBUSTOR WORE THROUGH FUEL NOZZLE STEM CAUSING LEAKAGE WHICH CAUSED BURN-THROUGH OF COMBUSTION CASE.SDR USAASB98224Sensor · failedCHS - FLT 888 - AT FL370 WITH AUTOPILOT/AUTOTHROTTLES ON, THE NR 2 ENGINE POWER STARTED TO DECREASE WITH THROTTLES SPLIT TWO INCHES. TURNED AUTOTHROTTLE OFF AND POWER BECAME STABLE. TURNED AUTOTHROTTLES BACK ON AND POWER STARTED TO DECREASE AGAIN. TURNED PMSDR 98UAL900414Packing · failedNR 1 ENGINE HYDRAULIC PUMP WARNING LIGHT ILLUMINATED. *S/D* REPLACED PACKING FOR A ELECTRIC PUMP ACOUSTIC FILTER REF IPC 29-15-22-001. OPS AND LEAK CK NORMAL. A-SYS SERVICED TO FULL.SDR 98UAL900420Boost Pump · malfunctionedNR 1 ENGINE FLAME-OUT. ENGINE RESTARTED PRIOR TO LANDING. *S/D* REPLACED NUMBER ONE MAIN TANK FORWARD AND AFT BOOST PUMP. REPLACED FUEL SHUT OFF VALVE AND GATE ASSEMBLY. REPLACED FUEL FILTERS. ACCOMPLISHED FUEL FEED SYSTEM TEST.SDR 98UAL900413Warning Light · illuminatedFORWARD CARGO WARNING LIGHT ILLUMINATED. *S/D* ADJUSTED TARGET.SDR 98UAL900416Fire Detector · failedAPU FIRE WARNING INDICATION IN FLIGHT. *S/D* REPLACED APU EXHAUST FIRE SENSING ELEMENT AND OVERHEAT SENSOR AND HARNESS PER MM 26-15-14.SDR 98UAL900412Annunciator · failedDOOR 1L LIGHT ILLUMINATED. *S/D* REPLACED DOOR WARNING ANNUCIATOR MODULE.SDR 98UAL900407Control Cable · looseAIRPLANE AIR-GROUND SWITCH STUCK IN GROUND MODE. *S/D* SECURED GROUND SPOILER INTERLOCK CABLE TO TORSION LINK.SDR SWAA981839Connector · looseAIRCRAFT WITH NR 2 ENGINE SHUTDOWN, APU ELEC ON LINE, NR 1 THROTTLE AT IDLE, UNCOMMANDED ENG ACCELERATION TO 85 PERCENT N1, APPROX 10 SEC, THEN RETURNED TO IDLE. (LOG PAGE 169881). FOUND J2 CONNECTOR ON EEC LOOSE, CLEANED AND SECURED OPERATED ENG PER BOEING SDR 98UAL900406Light · inoperativeDOOR 1 LEFT EXTERIOR EMERGENCY EXIT EGRESS LIGHT INOP. *S/D* REFLECTOR ASSEMBLY AND LAMP REPLACED. REFLECTOR ASSEMBLY (P/N 31-1498-1), LAMP (P/N 1619).SDR 98UAL900387Relay · malfunctionedRETURNED TO STL DUE TO TAKEOFF WARNING HORN, AND GEAR HANDLE WOULD NOT MOVE TO THE UP POSITION. *S/D* REPLACED M991, M983, AND R432. CHECKED PER MM 31-26-00.SDR 98UAL900379Mec · failedON DESCENT, NUMBER 1 ENGINE FLAMED OUT. *S/D* REPLACED MAIN ENGINE CONTROL (MEC) ON ENGINE. ENGINE TESTED SUCCESSFULLY. FOUND GOVERNOR PLUG ON MEC DISBONDED. INCORPORATING SERVICE BULLETIN 73-117.SDR 98UAL900370Boost Pump · malfunctionedNR 1 ENGINE SHUT DOWN. *S/D* REPLACED FUEL SHUTOFF VALVE GATE, ACTUATOR, FORWARD AND AFT FUEL BOOST PUMPS FOR THE NUMBER ONE TANK. FOUND BOTH BOOST PUMPS NOT SUPPLING FUEL AT REQUIRED PRESSURE.
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