GE CFM56 series

Service difficulty reports · 5,028

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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.

SDR 98UAL900400Tube · wornTHE BRAKE ACCUMULATOR B-SYSTEM PRESSURE HYDRAULIC TUBE 65C26840-1058 (IPC: 29-20-00-001D INDEX 155) TUBE IS WORN. THE WEAR IS CAUSED BY INTERFERENCE BETWEEN HYDRAULIC TUBE AND COMPOSITE PANEL. (COMPOSITE PANEL SHOWN ON BLUE PRINT 65-48440 SHEET 802 ZONE 11)Aug 3, 1998 · N385UA · Boeing 737322 · Hydraulic System, MainSDR 98UAL900355Fitting · looseB-HYDRAULIC SYSTEM LOW PRESSURE LIGHT CAME ON IN FLIGHT AFTER LOSS OF B-HYDRAULIC SYSTEM QUANTITY. *S/D* AIRCRAFT MAINTENANCE TECHNICIAN FOUND T-FITTING LEAKING IN THE RIGHT WHEEL WELL. SECURED FITTING. FILLED AND PRESSURE CHECKED, NO LEAKS FOUND. ALSO, RJul 24, 1998 · N309UA · Boeing 737322 · Hydraulic System, MainSDR 98UAL900337Sensor · failedRIGHT EQUIPMENT COOLING SUPPLY EXHAUST OFF LIGHT ILLUMINATED DURING CLIMB, LEVEL OFF, AND THE FIRST PART OF DESCENT. SELECTING ALTERNATE DID NOT WORK-IN NORMAL. ON THE GROUND THE LIGHT EXTINGUISHES. COULD ONLY DUPLICATE IN FLIGHT. *S/D* PROBLEM WAS CAUSEDJul 18, 1998 · N317UA · Boeing 737322 · Air Distribution SystemSDR 98UAL900336Clamp · looseLEFT WING BODY OVERHEAT WARNING LIGHT ILLUMINATED DURING CLIMB. *S/D* ADJUSTED CLAMP ON THERMOCOUPLES AND LIGHT DID NOT ILLUMINATE.Jul 17, 1998 · N399UA · Boeing 737322 · Overheat DetectionSDR 98UAL900322Overheat Det · failedRIGHT WING TO BODY OVERHEAT LIGHT ILLUMINATED. *S/D* FOUND RIGHT WING LEADING EDGE OVERHEAT DETECTOR (M1204) SHORTED. REPLACED THE DETECTOR AND OPS CHECKED OK.Jul 11, 1998 · N386UA · Boeing 737322 · Overheat DetectionSDR 98UAL900302Seat Track · lack of lubeCAPTAIN'S SEAT UNLOCKED DURING TAKEOFF. INSPECTED TRACK AND LOCK MECHANISM. FOUND SOME DEBRIS ON THE TRACK. CLEANEDTRACK AND LUBED LOCK MECHANISM. OPERATED SEAT ON THE SEAT TRACK SEVERAL TIMES. OP CHECK GOOD. MM TO BE REVISED TO ADD SPECIFIC TRACK AND LOJun 30, 1998 · N366UA · Boeing 737322 · Fuselage, Seat/Cargo Attach FittingsSDR 98UAL900294Fairng · not sealedVIBRATION AND HUM ADJACENT TO ROW 9. THE REPORTED VIBRATION THAT WAS HEARD FROM ROW 9 (LEFT) WAS A RESULT OF DETERIORATED SEALANT ON THE UPPER WING TO BODY FAIRING AT THAT SAME LOCATION. THE FAIRING WAS RESEALED AT THE IMC AND THE AIRCRAFT RELEASED.Jun 28, 1998 · N319UA · Boeing 737322 · Aerodynamic FairingsSDR 98UAL900293Indication · malfunctionedUNSAFE NOSE GEAR INDICATION. NOSE GEAR DOORS APPEARED CLOSED THROUGH THE NOSE GEAR VIEWPORT. MANUALLY DEPLOYED THE NOSE GEAR.Jun 27, 1998 · N908UA · Boeing 737522 · Landing Gear Position and WarningSDR 98UAL900276Switch · stickingINTERMITTENT RADIO FAILURE. *S/D* REPLACED FIRST OFFICER'S PENDANT (PUSH-TO-TALK) SWITCH BECAUSE OF STICKING.Jun 21, 1998 · N316UA · Boeing 737322 · Audio Integrating SystemSDR 98UAL900256Circuit Breaker · trippedWITH THE GEAR DOWN, THERE WERE NO GREEN GEAR EXTENSION LIGHTS DURING FINAL APPROACH. *S/D* CREW UTILIZED LANDING GEAR MANUAL EXTENSION SYSTEM TO LOWER LANDING GEAR. FURTHER INSPECTION REVEALED CIRCUIT BREAKER AIR GRND RELAY AND LIGHTS WERE OUT. RESET CIRCUJun 18, 1998 · N953UA · Boeing 737522 · Landing Gear Position and WarningSDR 98UAL900264Lug · meltedELECTRICAL SMELL AND LOST THE LEFT GENERATOR. *S/D* B-PHASE LUG OVERHEATED ON THE NR 1 GENERATOR CONTROL BREAKER. THE LUG WAS REPLACED, AS WAS THE BREAKER.Jun 15, 1998 · N945UA · Boeing 737522 · AC Generation SystemSDR 98UAL900257Irs · malfunctionedINERTIAL REFERENCE SYSTEM DRIFT OR FLIGHT MANAGEMENT COMPUTER NAV PROBLEM IN FLIGHT. *S/D* BOTH NR 1 AND NR 2 INERTIAL REFERENCE UNITS (NAV UNITS) WERE REPLACED PRECAUTIONARY. SYSTEM OPERATION HAS SINCE BEEN NORMAL. THE SHOP REPORTED THEY WERE UNABLE TO FIJun 13, 1998 · N354UA · Boeing 737322 · Attitude and Direction Data SystemSDR 98UAL900251Trim · failedCREW DIVERTED TO BNA DUE TO INOPERATIVE HORIZONTAL STABILIZER TRIM.Jun 10, 1998 · N352UA · Boeing 737322 · Stabilizer Control SystemSDR 98UAL900240Seal · splitTHE RIGHT OVERWING EMERGENCY EXIT DOOR SEAL DEVELOPED A LOUD SQUEAL AND VIBRATION. *S/D* REPLACED THE RIGHT OVERWING EXIT DOOR SEAL BECAUSE THE OLD SEAL HAD A SPLIT OF 8.0 INCHES. INSTALLED RIGHT OVERWING EXIT DOOR. PRESSURIZED CABIN AND CHECKS OK.Jun 5, 1998 · N941UA · Boeing 737522 · Emergency ExitsSDR 98UAL900214Seal · out of adjustA LOUD SQUEAL WAS HEARD AT DOOR 1L. *S/D* ADJUSTED THE LOWER HINGE INSIDE THE FLAP SEAL. PRESSURIZED THE AIRCRAFT, NO LEAKS OR SQUEAL DETECTED.May 24, 1998 · N910UA · Boeing 737522 · Passenger/Crew DoorsSDR AU980546Pipe · loose(AUS) NR 1 ENGINE 9TH STAGE FUEL LINE (TC2 SENSE LINE) TO TURBINE, CLEARANCE CONTROL VALVE `B' NUT LOOSE.May 17, 1998 · Fuel Controlling SystemSDR 98UAL900197Logic Card · failedTHE LANDING GEAR WOULD NOT RETRACT ON TAKEOFF UNTIL THE PILOT USED THE OVERRIDE TRIGGER. *S/D* REPLACED THE AIR SENSING LOGIC CARD (M991).May 16, 1998 · N930UA · Boeing 737522 · Landing Gear Retraction/Extension SystemSDR P2EA98107Engine · overtempFLT 823 - ON TAKEOFF FROM MCI, THE NR 2 ENGINE EGT RAN HOT. PERFORMED WATER WASH ON NR 2 ENGINE PER AMM 71-00-PG 703D, VISUALLY INSPECTED WIRING REF 77-21-0, OPERATED NR 2 ENGINE AT TAKEOFF POWER MAX EGT NOTED WAS 570 DEGREES, MAX ALLOWABLE EGT IS 590 DEGREE May 16, 1998 · N219US · Boeing 737281 · Engine (Turbine/Turboprop)SDR P2EA98104Cover · crackedFLT 804 - MDW - NO EMERGENCY DECLARED LANDING NORMAL. GOT HAZY VAPOR IN CABIN DURING FLIGHT. FOUND NR 1 BEARING ACCESSORY COVER CRACKED ON NR 1 ENGINE, REPLACED COVER PER PWA M/M 72-23. PERFORMED ENGINE RUN NO LEAKS OR HAZE NOTED. (M)May 7, 1998 · N620PC · Boeing 737244 · Turbine Engine Compressor SectionSDR USAASB98107N2 Gearbox · failedBWI - FLT 2400 - CREW DECLARED AN EMERGENCY AND SHUT DOWN THE NR 1 ENGINE IN FLT DUE TO LOSS OF OIL QTY AND PRESSURE AND TEMPERATURE INDICATIONS. FLT RETURNED TO FIELD AT BWI AND LANDED WITHOUT FURTHER INCIDENT. AIRCRAFT TAXIED TO THE GATE NORMALLY. TOTAL SMay 5, 1998 · N241US · Boeing 737201 · Turbine Engine Accessory DriveSDR 98UAL900169Overheat Light · illuminatedLEFT WING BODY OVERHEAT LIGHT WAS ILLUMINATED AND REMAINED ON AFTER THE DUCT WAS DEPRESSURIZED.Apr 30, 1998 · N302UA · Boeing 737322 · Overheat DetectionSDR 98UAL900162Controller · malfunctionedCABIN PRESSURE WAS UNCONTROLLABLE DURING CLIMB OUT IN BOTH AUTO AND STANDBY. *S/D* AFTER RECYCLING THE PACKS, PRESSURIZATION OPERATES PROPERLY. ALL DOOR SEALS WERE CHECKED AND FOUND TO BE OK. REPLACED THE CABIN PRESSURE CONTROLLER.Apr 25, 1998 · N928UA · Boeing 737522 · Cabin Pressure ControllerSDR 98UAL900158Wire · failedNUMBER TWO LEADING EDGE SLAT INTRANSIT LIGHT ILLUMINATED ON OVERHEAD AND INTRANSIT ON FORWARD PANEL. *S/D* THE NR 2 SLAT LOCK SWITCH AND ASSOCIATED WIRING WERE CHECKED FOR AN INTERMITTENT OPEN. BOTH THE SWITCH AND THE WIRE CHECKED GOOD. THEY WERE PREVIOUSLApr 23, 1998 · N375UA · Boeing 737322 · Flight Control System WiringSDR 98UAL900161Engine · malfunctionedSHUT DOWN THE NUMBER ONE ENGINE WHILE TURNING BASE LEG INTO SMF DUE TO ENGINE VIBRATION AND OIL QUANTITY DIMINISHING.Apr 23, 1998 · N381UA · Boeing 737322 · Engine (Turbine/Turboprop)SDR 98UAL900155Tube · crackedNUMBER TWO ENGINE OIL FILTER BYPASS LIGHT CAME ON. REDUCED THRUST AND LIGHT WENT OUT. *S/D* FOUND NR 2 ENGINE OIL PRESSURE LINE GOING TO OIL FILTER DIFFERENTIAL PRESSURE SWITCH, CRACKED. REPLACED LINE, OPS CHECK OK.Apr 21, 1998 · N202UA · Boeing 737322 · Engine Oil PressureSDR 98UAL900157Bulkhead Seal · failedUNABLE TO MAINTAIN CABIN PRESSURIZATION. OUTFLOW VALVE INDICATED FULL CLOSED IN THE AUTO MODE. *S/D* ACCOMPLISHED FUSELAGE LEAK CHECK AND FOUND THAT THE FLEXIBLE PRESSURE SEAL AT THE PRESSURE BULKHEAD HAD BLOWN. THE FLEXIBLE RUBBER BOOT WAS REPLACED. PRESApr 19, 1998 · N348UA · Boeing 737322 · Fuselage Main, BulkheadSDR 98UAL900143Sensor · out of positionRIGHT WING BODY OVERHEAT DETECTION SYSTEM LIGHT ON. *S/D* SENSOR IN PYLON WAS IN CLOSE PROXIMITY TO DUCT. REPOSITIONED SENSOR AND RAN THE ENGINE AT POWER FOR TWENTY MINUTES WITH NO INDICATIONS, OPS CHECK GOOD.Apr 12, 1998 · N351UA · Boeing 737322 · Overheat DetectionSDR 98UAL900138Pin · installedDURING TAKEOFF, THE TAKEOFF WARNING HORN SOUNDED WITH THE THROTTLES ADVANCED. PULLING THE AIR-GROUND CIRCUIT BREAKER SILENCED THE HORN. *S/D* DURING PROBLEM IDENTIFICATION AND TROUBLESHOOTING, MAINTENANCE FOUND THE RIGHT HAND MAIN LANDING GEAR SAFETY SENSORApr 4, 1998 · N378UA · Boeing 737322 · Landing Gear Retraction/Extension SystemSDR 98UAL900133Eau Fork · fracturedBOTH THRUST REVERSER UNLOCK LIGHTS ILLUMINATED AFTER TAKEOFF. *S/D* FOUND ENGINE ACCESS UNIT RETAINING FORK ON RADIO RACK FRACTURED AND MISSING PIN. EAU WAS LOOSE IN RACK. REPLACED FORK AND PERFORMED EAU OPS CHECK, OPS CHECK GOOD.Mar 31, 1998 · N345UA · Boeing 737322 · Engine Thrust ReverserSDR 98UAL900131Actuator · leakingLOSS OF 'A' SYSTEM HYDRAULIC FLUID. FLUID LEVEL DOWN TO 36 PERCENT. TURNING OFF EMDP STOPPED FLUID LOSS. IN CRUISE WITH EMDP OFF, THE EDP LOW PRESS LIGHT BEGAN TO FLICKER AND 'A' SYSTEM PRESSURE FLUCTUATED, ONE TIME DROPPING BELOW 2000 PSI. QUANTITY WAS OBMar 29, 1998 · N202UA · Boeing 737322 · Drag Control ActuatorSDR UPS98826178Engine · failedNR 4 ENGINE FLAMEOUT AT FL350, SUCCESSFUL RESTART WITH MILD VIBRATION. FLAMEOUT WITH THROTTLE ADVANCE. FIRE TEST INDICATED SHORT CIRCUIT, MA N-O-TEMP(270DEG. C). NR 4 BLEED OFF, TEMP DECREASE ENG FIRE, SEVERE DAMAGE CHECKLIST ACCOMPLISHED. DISCHARGED BOTH Mar 25, 1998 · N798UP · Doug DC871F · Engine (Turbine/Turboprop)SDR 98UAL900119Relay · failedGROUND SERVICE BUS CIRCUIT BREAKER POPPED, LOST GENERATOR. *S/D* INSPECTED WIRING BEHIND THE P-6 PANEL AND ALL LOOKED GOOD. REPLACED GROUND SERVICE RELAY, OPS CHECK GOOD.Mar 21, 1998 · N368UA · Boeing 737322 · External Power SystemSDR 98UAL900116Overheat Light · illuminatedRIGHT WING BODY OVERHEAT INDICATION.Mar 16, 1998 · N934UA · Boeing 737522 · Overheat DetectionSDR 98UAL900115Switch · failedDIVERTED TO SACRAMENTO DUE TO THE LOSS OF CABIN PRESSURIZATION. *S/D* PROBLEM CAUSED BY FAILURE OF THE SWITCH ON THE OUTFLOW VALVE. THIS SWITCH ALSO CONTROLS THE FORWARD OUTFLOW VALVE.Mar 14, 1998 · N926UA · Boeing 737522 · Pressure Regulator/Outflow ValveSDR 98UAL900114Hyd Pump · failedTHE NUMBER ONE ENGINE HYDRAULIC PUMP FAILED. CREW FELT VIBRATION IN CABIN WITH 'A' HYDRAULIC SYSTEM PRESSURE FLUCTUATING AND THEN VIBRATION AND FLUCTUATION STOPPED, BUT THE PUMP LOW PRESSURE LIGHT CAME ON. *S/D* REPLACED THE NUMBER ONE ENGINE DRIVEN HYDRAULMar 11, 1998 · N306UA · Boeing 737322 · Hydraulic Pump (Electric/Engine), MainSDR 98UAL900628Structure · damagedDAMAGE CENTERED AT BS 270 STRINGER 24R (LAP SPLICE), JUST BELOW LAV SERVICE PANEL, ABOVE THE NOSE LANDING GEAR DOOR. THE IMPACT PUNTURED THE FUSELAGE SKIN IN 3 PLACES, SEVERING STR 28R AND 24R AT BS 300, AND DAMAGING STRINGER 24R AT BS 240 AND CRUSHING THE OUTMar 11, 1998 · N392UA · Boeing 737322 · Fuselage Main, StructureSDR 98UAL900107Smoke Alarm · activatedLAVATORY SMOKE DETECTOR ALARM WENT OFF AND WOULD NOT SILENCE.Mar 6, 1998 · N927UA · Boeing 737522 · Smoke DetectionSDR 98UAL900073Transmitter · failedAFTER THE GEAR WAS RAISED, THERE WAS A 'B' SYSTEM HYDRAULIC PRESSURE LOSS. *S/D* REPLACED 'B' SYSTEM PRESSURE TRANSMITTER. HYDRAULIC SYSTEM CHECKS NORMAL AFTER REPLACEMENT.Feb 19, 1998 · N363UA · Boeing 737322 · Hydraulic Pressure SensorSDR 98UAL900072Mechanism · lack of lubeCABIN DOOR WARNING LIGHT ILLUMINATED. *S/D* CHECKED OPERATION OF DOOR 1L. CLEANED AND LUBED LATCH ROLLERS AND OPERATING MECHANISMS, DOOR OP CHECKED GOOD.Feb 18, 1998 · N305UA · Boeing 737322 · Passenger/Crew DoorsSDR 98UAL900080Oil Light · illuminatedTHE NUMBER ONE ENGINE LOW OIL PRESSURE LIGHT CAME ON. AFTER AWHILE, THE OIL PRESSURE STARTED TO DROP. THE NUMBER ONE ENGINE WAS SHUTDOWN.Feb 18, 1998 · N304UA · Boeing 737322 · Engine Oil PressureSDR 98UAL900060Temp Sensor · failedTHE NUMBER 1 ENGINE OIL TEMPERATURE WAS IN THE HIGH END OF THE YELLOW BAND. THE TEMPERATURE FOLLOWS THE THROTTLE POSITION. ALL OTHER INDICATION WERE NORMAL. *S/D* REPLACED OIL TEMPERATURE BULB.Feb 11, 1998 · N364UA · Boeing 737322 · Engine Oil TemperatureSDR 98UAL900043Actuator · failedRUDDER TRIM CIRCUIT BREAKER POPPED AND WOULD NOT RESET. RUDDER TRIM WAS INOPERABLE. *S/D* REPLACED RUDDER TRIM ACTUATOR, SYSTEM OP CHECKED GOOD.Jan 31, 1998 · N335UA · Boeing 737322 · Rudder Tab Control SystemSDR 98UAL900023Circuit Card · failedLANDED WITH AN UNSAFE GEAR INDICATION. *S/D* REPLACED CIRCUIT CARD. OPERATIONALLY CHECKED GEAR, GEAR CHECKED GOOD.Jan 19, 1998 · N357UA · Boeing 737322 · Landing Gear Position and WarningSDR 98UAL900629Structure · damagedDAMAGE AT FUSE SKIN ASSY (65-45800-1257) & CIRCUMFERENTIAL FRAMES STA 178 - 259, BL 0 & S-24L. S-24L (65-45800-1247) WAS SEVERED. THE FWD PORTION OF THE LT NLG DOOR WAS CRUSHED, THE LWR O/B CORNER STA 227.8 BULKHEAD WEB WAS CRACKED AND/OR BENT. A 7.25 SECTIONJan 8, 1998 · N393UA · Boeing 737322 · Fuselage Main, StructureSDR 98ZZZX721Shaft · misheat treatQUALITY AUDIT FOUND CFM TURBINE SHAFTS WITH A POSSIBLE DEFECT DUE TO HYDROGEN OUTGASSING HEAT TREATMENT HAD BEEN OMITTED.Jan 7, 1998 · Turbine SectionSDR 98ZZZX722Shaft · misheat treatQUALITY AUDIT FOUND CFM TURBINE SHAFTS WITH A POSSIBLE DEFECT DUE TO HYDROGEN OUTGASSING HEAT TREATMENT HAD BEEN OMITTED.Jan 7, 1998 · Turbine SectionSDR 98ZZZX723Shaft · misheat treatQUALITY AUDIT FOUND CFM TURBINE SHAFTS WITH A POSSIBLE DEFECT DUE TO HYDROGEN OUTGASSING HEAT TREATMENT HAD BEEN OMITTED.Jan 7, 1998 · Turbine SectionSDR 98ZZZX724Shaft · misheat treatQUALITY AUDIT FOUND CFM TURBINE SHAFTS WITH A POSSIBLE DEFECT DUE TO HYDROGEN OUTGASSING HEAT TREATMENT HAD BEEN OMITTED.Jan 7, 1998 · Turbine SectionSDR 98ZZZX725Shaft · misheat treatQUALITY AUDIT FOUND CFM TURBINE SHAFTS WITH A POSSIBLE DEFECT DUE TO HYDROGEN OUTGASSING HEAT TREATMENT HAD BEEN OMITTED.Jan 7, 1998 · Turbine SectionSDR 97UAL900893Slide · malfunctionedDOOR 2L SLIDE DID NOT DEPLOY.Dec 25, 1997 · N918UA · Boeing 737522 · Escape Slide
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