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.

SDR 2001UALA00085Switch · failedNR 2 PACK TRIPPED AFTER TAKEOFF AND WOULD NOT RESET. *S/D* FOUND THE COMPRESSOR DISCHARGE SWITCH FAILED. REPLACED THE COMPRESSOR DISCHARGE SWITCH.Feb 6, 2001 · N390UA · Boeing 737322 · Air Conditioning SystemSDR 2001UALA00084Computer · malfunctionedAUTOPILOT A WOULD NOT ENGAGE. SUPPLEMENTAL DATA UPDATE REMOVED AND REPLACED BOTH A & B FLIGHT CONTROL COMPUTERS AND AUTOPILOT STABILIZER TRIM SERVOS. ALL OPERATIONAL CHECKS WERE GOOD.Feb 6, 2001 · N331UA · Boeing 737322 · Autopilot SystemSDR 2001UALA00073Blade · damagedNR 2 ENGINE VIBRATION. *S/D* FOUND TWO FAN BLADES SHINGLED. REPLACED THE TWO FAN BLADES. A SUBSEQUENT TRIM RUN REVEALED NO VIBRATION.Feb 2, 2001 · N377UA · Boeing 737322 · Turbine Engine Compressor SectionSDR 2001UALA00633Control Rod · chafedRUDDER POWER CONTROL UNIT CONTROL ROD AFT END OUTBOARD SIDE CHAFED, WORN AND KINKED. *S/D* CONTROL ROD REPLACED WITH SERVICEABLE CONTROL ROD. OFF UNIT SCRAPPED PER BOEING SERVICE LETTER 737-SL-27-098 WHICH WAS WRITTEN TO ADDRESS THIS ISSUE IN APRIL 1995. Feb 2, 2001 · N304UA · Boeing 737322 · Rudder Control SystemSDR 2001UALA00637Control Rod · chafedRUDDER POWER CONTROL UNIT CONTROL ROD AFT END OUTBOARD SIDE CHAFED, WORN AND KINKED. *S/D* CONTROL ROD REPLACED WITH SERVICEABLE CONTROL ROD. OFF UNIT FOUND TO BE WITHIN LIMITS PER BOEING SERVICE LETTER 737-SL-27-098 WHICH WAS WRITTEN TO ADDRESS THIS ISSUE Feb 2, 2001 · N303UA · Boeing 737322 · Rudder Control SystemSDR 2001UALA00070Indicator · failedFLAP EXTENSION PROBLEM. *S/D* REPLACED FLAP POSITION INDICATOR.Feb 1, 2001 · N904UA · Boeing 737522 · Trailing Flap Position Indicating SystemSDR 2001UALA00065Loop · damagedWING-BODY OVERHEAT LIGHT ILLUMINATED. *S/D* FOUND LOOP M487 LOCATED IN LEFT ENGINE STRUT CAVITY SHORTED TO GROUND. REPLACED LOOP M487.Jan 30, 2001 · N385UA · Boeing 737322 · Overheat DetectionSDR 2001UALA00064Indicator · failedCAPTAIN''S AIRSPEED INDICATOR HAD AN OFF FLAG COME INTO VIEW ON TAKEOFF. *S/D* MACH AIRSPEED INDICATOR FAILED. SHOP FINDINGS CONFIRMED FAILURE, DUE TO AN INTERMITTENT POTENTIOMETER.Jan 30, 2001 · N953UA · Boeing 737522 · Airspeed/Mach IndicatorSDR 2001UALA00059Regulator · failedRETURNED TO DEN DUE TO A PROBLEM WITH THE NR 1 BLEED AIR SYSTEM. *S/D* BLEED AIR VALVE WOULD NOT OPEN AFTER BLEEDS OFF TAKEOFF. REPLACED THE BLEED AIR REGULATOR.Jan 27, 2001 · N915UA · Boeing 737522 · Pneumatic Distribution SystemSDR 2001UALA00060Csd · failedNR 2 GENERATOR FAILED DURING CLIMBOUT. *S/D* ISOLATED SOURCE OF FAILURE TO NR 2 ENGINE GENERATOR CONSTANT SPEED DRIVE UNIT. THE CSD WAS REPLACED. THE NR 2 AC GENERATOR UNIT AND NR 2 GENERATOR CONTROL UNIT WERE REPLACED AS PRECAUTIONARY. AIRCRAFT WAS RETURJan 27, 2001 · N360UA · Boeing 737322 · Alternator-Generator DriveSDR 2001UALA00047Bellcrank · brokenLEFT SIDE INBOARD LEADING EDGE FLAP STUCK IN DOWN POSITION AFTER TAKEOFF. *S/D* FOUND BROKEN BELLCRANK. REPLACED THE BELLCRANK.Jan 23, 2001 · N308UA · Boeing 737322 · Leading Edge Slat Control SystemSDR 2001UALA00046Receiver · inoperativeNR 1 NAVIGATION RECEIVER IS INOPERATIVE. *S/D* REPLACED NR 1 NAVIGATION RECEIVER. OPS CHECKED OK.Jan 22, 2001 · N334UA · Boeing 737322 · Glide Slope SystemSDR USAASB01015Engine · failedCLT - FLT 862 - DURING DESCENT INTO CLT, AT APPROX FL100, THE NR 2 ENGINE STALLED AND VIBRATED MULTIPLE TIMES AT LOW POWER SETTINGS. CREW DISCONNECTED AUTOTHROTTLE AND PLACED POWER TO IDLE. EGT WAS NOTED AS HIGHER BUT SMOOTH. APPROX 10 MINUTES OUT ON APPROAJan 21, 2001 · N371US · Boeing 7373B7 · Engine (Turbine/Turboprop)SDR SWAA010182Eec · erraticDIVERSION, DECLARED EMERGENCY. NR 1 ENGINE ROLLED BACK. EGT DROPPED RAPIDLY AND OTHER INDICATIONS FLUCTUATED FOR APPROX 10 SECONDS. NOTED A STRONG ODOR IN THE COCKPIT. ENGINE RECOVERED ON ITS OWN AND ODOR DISSAPATED AFTER ABOUT 10 MINUTES. NR 1 ENG FUEL SJan 19, 2001 · N663SW · Boeing 7373Q8 · Engine Fuel and ControlSDR 2001UALA00033Switch · out of adjAFT CARGO DOOR WARNING LIGHT ILLUMINATED IN FLIGHT. *S/D* FOUND TARGET AND SWITCH SLIGHTLY OUT OF ALIGNMENT. ADJUSTED AND SECURED SWITCH ASSEMBLY AND CHECKED GAP. OPS CHECKED OK.Jan 16, 2001 · N952UA · Boeing 737522 · Door Warning SystemSDR 2001UALA00024Valve · failedFUEL TRANSFER PROBLEMS. *S/D* REPLACED THE CROSSFEED VALVE, NR 2 FUEL TANK FORWARD AND AFT BOOST PUMP CHECK VALVES, RIGHT HAND CENTER TANK BOOST PUMP CHECK VALVE, AND RIGHT CENTER TANK BOOST PUMP. ACCOMPLISHED CENTER TANK OVERRIDE CHECK. SYSTEM OP''S CHECKJan 13, 2001 · N348UA · Boeing 737322 · Fuel Transfer ValveSDR 2001UALA00020Lanyard · brokenAFT CARGO DOOR LIGHT CAME ON AFTER TAKEOFF. *S/D* FOUND AFT CARGO DOOR RELEASE HANDLE BUNGEE CORD BROKEN AND INTERFERING WITH DOORSWITCH. REPLACED BROKEN BUNGEE CORD.Jan 10, 2001 · N380UA · Boeing 737322 · Door Warning SystemSDR SWAA010018Engine · failedINFLIGHT ENGINE SHUTDOWN, NR 2 ENGINE FAILED. BOTH ENGINES WERE STABLE HOLDING 250 KTS AT 14,000 FT. NO PRIOR WARNING INDICATIONS BEFORE FAILURE. REMOVED AND REPLACED NR 2 ENGINE ASSY PER SAM 385. PERFORMED TRIM RUN PER SAM 625 AND SAM 390, NO DEFECTS NOTEJan 3, 2001 · N618WN · Boeing 7373H4 · Engine (Turbine/Turboprop)SDR SWAA010026Engine · odorAIR TURNBACK, DECLARED EMERGENCY. DURING TAKEOFF A GREY, ACRID ODOR/SMOKE STARTED FILLING THE COCKPIT. AS POWER WAS REDUCED, SMOKE DECREASED. REMOVED AND REPLACED NR 1 ENGINE PER MM AND SAM FORMS. OPS AND LEAK CHECK GOOD.Jan 3, 2001 · N623SW · Boeing 7373H4 · Engine (Turbine/Turboprop)SDR 2001UALA00002Indicator · failedFLAP ASYMMETRY INDICATION. *S/D* REPLACED FLAP INDICATOR. OPS CHECKED NORMAL.Jan 3, 2001 · N951UA · Boeing 737522 · Trailing Flap Position Indicating SystemSDR 2001UALA00644Control Rod · chafedRUDDER POWER CONTROL UNIT CONTROL ROD AFT END OUTBOARD SIDE CHAFED, WORN AND KINKED. *S/D* CONTROL ROD REPLACED WITH SERVICEABLE CONTROL ROD. BOEING RELEASED SERVICE LETTER 737-SL-27-098 TO ADDRESS THIS ISSUE BACK IN APRIL 1995. HEAVY MAINTENANCE JOB INSTRDec 30, 2000 · N307UA · Boeing 737322 · Rudder Control SystemSDR 2000UALA00804Controller · failedCABIN ALTITUDE CLIMBED TOO HIGH ON CLIMBOUT. IN CRUISE, COULD NOT CONTROL CABIN ALTITUDE IN AUTO STANDBY OR MANUAL MODES. *S/D* THE CABIN PRESSURE CONTROLLER FAILED. REPLACED THE CABIN PRESSURE CONTROLLER.Dec 24, 2000 · N202UA · Boeing 737322 · Cabin Pressure ControllerSDR 2000UALA00805Relay · failedUNCOMMANDED STAB TRIM MOVEMENT ON THREE SEPARATE OCCASIONS. *S/D* REPLACED STAB TRIM CONTROL RELAY R64. OPS TESTED NORMAL.Dec 21, 2000 · N957UA · Boeing 737522 · Stabilizer Control SystemSDR 2000UALA00785Actuator · failedAFTER NORMAL GEAR RETRACTION, NOSE LANDING GEAR FELL OUT OF GEAR WELL. *S/D* FOUND NOSE LANDING GEAR LOCK ACTUATOR NOT ALLOWING GEAR TO FULLY LOCK. REPLACED NOSE LANDING GEAR LOCK ACTUATOR. CHECKED OPERATION OF NOSE LANDING GEAR ASSEMBLY. OPERATED NORMALLDec 11, 2000 · N374UA · Boeing 737322 · Landing Gear ActuatorSDR SWAA002612Connector · looseIN FLIGHT ENGINE SHUT DOWN WHILE AT CRUISE AT FL290, NR 1 ENG OIL BYPASS LIGHT ILLUMINATED. INSPECTED OIL FILTER, NO DEFECTS NOTED. REPLACED FILTER & RAN ENG, NO HELP. INSPECTED HARNESS FOUND FIREWALL CONNECTOR LOOSE. SECURED CONNECTOR & RAN ENG - OPS CHECK GDec 10, 2000 · N365SW · Boeing 7373H4 · Engine Oil Indicating SystemSDR DHL2000801156Valve · failedNR 2 ENGINE ANTI ICE VALVE DOES NOT IND OPEN. DEFERRED THE NR 2 NOSE COWEL ANTI ICE VALVE PER MEL 30-20 CAT C, ASSIGNED DMI 3397.S/P 30-20 C/W, VALVE SECURED IN THE OPEN POSITION. STATUS - OPEN.Dec 9, 2000 · N801DH · Doug DC873F · Engine Anti-Icing SystemSDR 2000UALA00780Controller · lack of lubeABORTED TAKE-OFF AT 110 KNOTS DUE TO A TAKE-OFF WARNING HORN. SUPPLEMENTAL DATA UPDATE THE S651 SWITCH WAS CLEANED AND THE SPEED BRAKE CONTROL LEVER WAS LUBRICATED. OPS CHECKS NORMAL.Dec 9, 2000 · N360UA · Boeing 737322 · Drag Control SystemSDR SWAA002572Engine · vibrationAIR TURNBACK, NR 2 ENGINE VIBRATION ON CLIMB-OUT. INSPECTED NR 2 ENGINE PER MM - NO ABNORMALITIES FOUND. RAN BOTH ENGINES AT T/O POWER FOR SEVERAL MINUTES. OK FOR SERVICE.Dec 7, 2000 · N312SW · Boeing 7373H4 · Engine (Turbine/Turboprop)SDR 2000UALA00779Seal · failedUNABLE TO MAINTAIN CABIN PRESSURE. SUPPLEMENTAL DATA UPDATE REPLACED GROUND AIR CONNECTOR AND REPAIRED GATE SEAL.Dec 7, 2000 · N332UA · Boeing 737322 · Passenger/Crew DoorsSDR 2000UALA00771Light · inoperativeEMERGENCY EXIT LIGHTING INOPERATIVE FROM ROW 20 AFT. SUPPLEMENTAL DATA UPDATE REPLACED CUT FEEDER STRIP, INSTALLED NEW INCAPSULATED LIGHT IN AFT GALLEY, AND COMPLETED INSTALLATION OF AFT EEL FLOOR LIGHTING. OPS CHECKS GOOD.Dec 2, 2000 · N330UA · Boeing 737322 · Emergency LightingSDR 2000UALA00768Warning System · activatedAFT BODY OVERHEAT INDICATION FOLLOWED BY AN ABNORMAL ODOR IN THE COCKPIT. SUPPLEMENTAL DATA UPDATE ACCOMPLISHED ENGINE RUN-UP ON BOTH ENGINES, AND PERFORMED PNEUMATIC SYSTEM TEST. NO BURNING SMELL AND NO AFT BODY OVERHEAT LIGHT ILLUMINATED.Dec 2, 2000 · N371UA · Boeing 737322 · Overheat DetectionSDR 2000UALA00724Access Panel · leakingSUSPECTED FUEL LEAK. SUPPLEMENTAL DATA UPDATE FOUND 2 SCREWS MISSING AND DOME NUTS STRIPPED ON ACCESS PLATE 8117L. REPLACED MISSING SCREWS AND STRIPPED DOME NUTS.Nov 30, 2000 · N935UA · Boeing 737522 · Wing, Plate/SkinSDR 2000UALA00713Line · chafedLOSS OF THE 'A' SYSTEM HYDRAULICS. SUPPLEMENTAL DATA UPDATE FOUND BRAIDED FLEX LINE FROM 'A' SYSTEM PRESSURE MODULE TO 'A' SYSTEM ELECTRIC MOTOR DRIVEN PUMP CHAFED THRU. REPLACED DAMAGE FLEX LINE.Nov 27, 2000 · N347UA · Boeing 737322 · Hydraulic System, MainSDR 2000UALA00694Pressure Switch · malfunctionedFUEL BOOST PUMP LIGHTS FLICKERED. SUPPLEMENTAL DATA UPDATE REMOVED AND REPLACED NR 2 AFT LOW PRESSURE SWITCH.Nov 18, 2000 · N317UA · Boeing 737322 · Fuel Boost PumpSDR 2000UALA00683Plate · out of adjREAR CARGO DOOR WARNING LIGHT. SUPPLEMENTAL DATA UPDATE ADJUSTED STRIKER PLATE.Nov 15, 2000 · N373UA · Boeing 737322 · Door Warning SystemSDR 2000UALA00746Bulkhead · crackedCRACK FOUND ON THE BODY STATION 178 BULKHEAD WEB. SUPPLEMENTAL DATA UPDATE CRACKS REPAIRED PER BOEING SRM 53-10-08.Nov 14, 2000 · N903UA · Boeing 737522 · Fuselage Main, BulkheadSDR 2000UALA00681Controller · failedTHE AUTOMATIC AND STANDBY PRESSURE SYSTEMS FAILED. SUPPLEMENTAL DATA UPDATE CABIN PRESSURE CONTROLLER FAILED. REPLACED CABIN PRESSURE CONTROLLER.Nov 13, 2000 · N917UA · Boeing 737522 · Cabin Pressure ControllerSDR 2000UALA00676Ram Air Door · damagedTEMPERATURE CONTROL PROBLEM. *S/D* FOUND THE LEFT RAM AIR EXHAUST LOUVERS DAMAGED. REPLACED THE LEFT RAM AIR EXHAUST LOUVERS .Nov 12, 2000 · N948UA · Boeing 737522 · Air Distribution SystemSDR 2000UALA00670Switch · failedANTISKID INDICATION. SUPPLEMENTAL DATA UPDATE THE S303 LANDING GEAR SWITCH FAILED. THE SWITCH WAS REPLACED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.Nov 8, 2000 · N329UA · Boeing 737322 · Landing Gear Position and WarningSDR 2000UALA00666Engine · malfunctionedPARTIAL LOSS OF POWER IN THE NR 1 ENGINE. *S/D* THE ENGINE WAS REPLACED.Nov 6, 2000 · N312UA · Boeing 737322 · Powerplant SystemSDR 2000UALA00660Pin · misinstalledDURING A ROUTINE MAINTENANCE VISIT, AS A RESULT OF BOEING TELEX M-7200-00-02474 REPORTING IMPROPER OXYGEN GENERATOR RELEASE PIN INSTALLATIONS. MECHANICS FOUND MULTIPLE GENERATORS WITH RELEASE PINS INSTALLED INCORRECTLY. CORRECTED RELEASE PIN INSTALLATIONS.Nov 4, 2000 · N320UA · Boeing 737322 · Passenger Oxygen SystemSDR 2000UALA00656Snubber · misinstalledDOOR 1L AIR LEAK. *S/D* THE SNUBBER ASSEMBLY ON THE LOWER HINGE OF THE DOOR WAS INSTALLED BACKWARDS. THE SNUBBER WAS REPOSITIONED. OPS CHECKED NORMAL.Nov 3, 2000 · N947UA · Boeing 737522 · Passenger/Crew DoorsSDR 2000UALA00655Bellcrank · brokenON ARRIVAL FOUND RETRACT LINK FOR NR 3 (RT INBOARD KRUEGER FLAP) LEADING EDGE DEVICE BROKEN. UNABLE TO RETRACT FLAP. *S/D* BELLCRANK 65C26766-1 WAS REPLACED WITH BELLCRANK 65C26766-4.Nov 1, 2000 · N904UA · Boeing 737522 · Leading Edge DevicesSDR 2000UALA00648Detector · damagedRIGHT WING-BODY OVERHEAT DETECTION SYSTEM INOPERATIVE. *S/D* REPLACED RIGHT HAND PYLON OVERHEAT LOOP M1204. SYSTEM OPERATION CHECKED NORMAL.Oct 31, 2000 · N912UA · Boeing 737522 · Overheat DetectionSDR 2000UALA00732Bulkhead · crackedCRACK FOUND ON THE BODY STATION 178 BULKHEAD WEB. SUPPLEMENTAL DATA UPDATE CRACKS REPAIRED PER BOEING SRM 53-10-08.Oct 30, 2000 · N378UA · Boeing 737322 · Fuselage Main, BulkheadSDR 2000UALA00632Actuator · failedRIGHT RED GEAR LIGHT REMAINED ILLUMINATED IN THE HANDLE OFF POSITION. *S/D* THE RIGHT HAND MAIN LANDING GEAR ACTUATOR WAS REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE.Oct 28, 2000 · N954UA · Boeing 737522 · Landing Gear ActuatorSDR 2000UALA00630Altimeter · failedCABIN PRESSURE CAN NOT BE MAINTAINED. *S/D* FOUND FAILED CAPTAINS ALTIMETER. REPLACED CAPTAINS ALTIMETER.Oct 27, 2000 · N362UA · Boeing 737322 · Altimeter, Barometric/EncoderSDR 2000UALA00617Altimeter · failedUNCONTROLLED CABIN PRESS CLIMB AT 28K FT, DESCENDED TO 11K AND CONTROL RETURNED. *S/D* FOUND FAILED CAPTAINS ALTIMETER. REPLACED THE CAPTAINS ALTIMETER.Oct 25, 2000 · N362UA · Boeing 737322 · Pressure Regulator/Outflow ValveSDR 2000UALA00620Landing Gear · malfunctionedRED NOSE GEAR UNSAFE LIGHT ON AFTER GEAR EXTENSION. *S/D* THE FLIGHT CREW RESET CIRCUIT BREAKER C404 AND ALL NOSE GEAR INDICATIONS RETURNED TO NORMAL. MAINTENANCE PERSONNEL IN DENVER JACKED THE NOSE OF AIRCRAFT AND PERFORMED SEVERAL GEAR SWINGS AND A MANUALOct 25, 2000 · N336UA · Boeing 737322 · Landing Gear Position and WarningSDR 2000UALA00614Engine · malfunctionedLOW FUEL FLOW INDICATION FOR THE NR 1 ENGINE. *S/D* THE ENGINE WAS REPLACED.Oct 24, 2000 · N312UA · Boeing 737322 · Engine (Turbine/Turboprop)
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