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 97UAL900887Overheat Light · illuminatedLEFT WING BODY OVERHEAT LIGHT CAME ON AFTER TAKEOFF. NR 1 ENGINE BLEED AIR AND ISOLATION VALVE WERE SHUT OFF. LEFT PACK LIGHT STAYED ON UNTIL TOUCHDOWN. *S/D* APU WAS NOT RUNNING DURING THE EVENT. RAN NUMBER ONE ENGINE AND FOUND NO LEAKS. A RESISTANCE CHSDR 97UAL900885Windshield · shatteredCAPTAIN'S WINDSHIELD OUTER PANE SHATTERED. *S/D* REPLACED CAPTAIN'S WINDSHIELD.SDR 97UAL900877Overheat Det · shortedRIGHT HAND WING BODY OVERHEAT LIGHT CAME ON INTERMITTENTLY ONE MINUTE AFTER TAKEOFF. *S/D* TROUBLESHOOTING INDICATED THAT RIGHT-HAND WING LEADING EDGE OVERHEAT DETECTOR ELEMENT WAS SHORTED TO GROUND. REPLACED DETECTOR AND PERFORMED ENGINE RUN. SYSTEM CHECKSDR 97UAL900863Bearing · misinstalledON ARRIVAL, FOUND THAT NR 3 MAIN TIRE ASSEMBLY WAS MISSING, BUT BRAKE ASSEMBLY AND ALL WHEEL RETAINING HARDWARE WAS IN PLACE. THE INNER BEARING IS ON THE AXLE BUT DAMAGED AND MOST OF THE OUTER BEARING IS GONE. *S/D* WHEEL/TIRE ASSEMBLY DEPARTED AIRCRAFT ON SDR 97UAL900856Pack · odorODOR FROM LEFT PACK IN COCKPIT AND FORWARD CABIN ON GROUND AND IN FLIGHT. SMELLS LIKE OVERHEATING. *S/D* AFTER SHUTTING DOWN THE APU AND RUNNING THE LEFT-HAND PACK WITH ENGINE BLEED AIR, ODOR DISSIPATED AFTER 15 TO 20 MINUTES. FOUND METAL ON APU CHIP DETECSDR 97UAL900858Fuel Pump · failedNUMBER 2 ENGINE FLAMED OUT IN FLIGHT. *S/D* THE FUEL PUMP SUFFERED FOD DAMAGE FROM A WASHER. THE FUEL PUMP WAS REPLACED. OPS CHECK WAS GOOD.SDR 97UAL900857Air Distr · odorFUEL VAPOR IN CABIN DURING FUELING. SLIGHT SMELL FOR 3 LEGS. SMELL WAS STRONG AT DEN. *S/D* THE FUEL MANIFOLD WAS CRACKED NEAR THE NOZZLE AT THE TWO O'CLOCK POSITION ON THE APU. THE TWO O'CLOCK POSITION ON THE MAIN START FUEL NOZZLE WAS LEAKING. REPLACEDSDR 97UAL900825Windshield · crackedPILOT'S NUMBER ONE WINDOW HAS SPIDER CRACKS. *S/D* REPLACED PILOT'S NUMBER ONE WINDOW (S/N 97175H8958-484) AND SET TAP SETTINGS. REPLACED P5-9 MODULE AND WINDOW HEAT CONTROLLER.SDR 97UAL900812Connector · failedEEL LIGHTS DID NOT WORK FROM ROW 16 TO THE AFT END OF THE AIRCRAFT. *S/D* FOUND BAD CONNECTION AT ROW 16. SECURED CABLE, OPS CHECK GOOD.SDR 97UAL900811Sensor · badON GEAR EXTENSION, LEFT MAIN LANDING GEAR RED LIGHT DID NOT EXTINGUISH. *S/D* FOUND LEFT MAIN LANDING GEAR DOWNLOCK SENSOR BAD. REPLACED LEFT MAIN LANDING GEAR DOWNLOCK SENSOR, OPS CHECK OK.SDR 97UAL900800Controller · failedUNABLE TO PRESSURIZE THE AIRCRAFT IN AUTO. CABIN PRESSURE OSCILLATES UP AND DOWN IN STANDBY. *S/D* PRESSURE OSCILLATIONS CAUSED BY A FAILED CABIN PRESSURE CONTROLLER. REPLACED THE CABIN PRESSURE CONTROLLER AND CONTROL PANEL.SDR 97UAL900795Anti-Ice Valve · failedTHE RIGHT ENGINE NOSE COWL ANTI-ICE VALVE OPEN LIGHT WAS ON BRIGHT WITH SWITCH ON. REDUCING ENGINE POWER CAUSED THE LIGHT TO DIM. INCREASING THE ENGINE POWER BACK UP CAUSED THE LIGHT TO BRIGHTEN. *S/D* REMOVED AND REPLACED NOSE COWL ANTI-ICE VALVE, OPS CHESDR 97UAL900793Controller · failedUNABLE TO PRESSURIZE AIRCRAFT AFTER TAKEOFF. AIRCRAFT WAS OPERATING IN AUTO MODE, SWITCHED TO STANDBY AND CABIN STILL CONTINUED TO CLIMB 500 FPM. OUTFLOW VALVE INDICATOR SHOWED FULL CLOSED. NO DOOR WARNING LIGHTS ON. *S/D* REPLACED CABIN PRESSURE CONTROLLSDR 97UAL900794Glide Slope · malfunctionedCAPTAIN'S ILS GLIDE SLOPE WAS INOPERATIVE. *S/D* CAPTAIN'S VHF NAV RECEIVER WAS CAUSE FOR NR 1 ILS GLIDE SLOPE BEING INOPERATIVE. NR 1 VHF NAV RECEIVER WAS REPLACED, THEN SYSTEM TESTED OK ON DFCS QUICK TEST AND UP-LEFT/DN-RIGHT TEST. SHOP REPORTED THE GLIDSDR 97UAL900789Indication · malfunctionedDURING GEAR RETRACTION, THE LEFT MAIN LANDING GEAR RED LIGHT STAYED ON WHEN THE HANDLE WENT TO THE OFF POSITION. THE LEFT MAIN LANDING GEAR GREEN LIGHT CAME ON AND THE RED LIGHT ALSO REMAINED ON.SDR 97UAL900784Retract Mech · malfunctionedGEAR HANDLE COULD NOT BE RAISED PASS THE LEVER LATCH SOLENOID.SDR 97UAL900780Cooling Fan · failedELECTRICAL SMOKE SMELL IN CABIN. THE SMELL WAS NOT AS STRONG AFTER THE POWER WAS TURNED OFF TO THE GALLEY. *S/D* PRIMARY COOLING EXHAUST FAN FAILED. REPLACED THE PRIMARY COOLING EXHAUST FAN, OPS CHECK GOOD.SDR 97UAL900731Battery Pack · dischargedEEL LIGHTS INOP FROM ROW 15 TO THE AFT OF THE AIRCRAFT. SEVERAL EMERGENCY EXIT SIGNS IN THE AFT SECTION ARE ALSO INOP. UPON ARRIVAL OF AIRCRAFT 1726, ALL LIGHTS WERE OPERATIONAL. THE BATTERY PACKS WERE RECHARGED IN FLIGHT.SDR 97UAL900729Pulleys · damagedFOUND TWO BROKEN PULLEYS ON AFT FLAP BOOM CABLE ASSEMBLY. THE DAMAGED PULLEYS WERE REPLACED ALONG WITH TWO FLAP BOOM CABLES. THE SYSTEM WAS RIGGED. THE OPERATIONAL CHECK OF THE SYSTEM WAS GOOD.SDR 97UAL900690Acm · failedWITH THE APU RUNNING AND THE NR 2 ENG SHUT DOWN, THE NR 1 ENG WAS SHUT DOWN. THE COCKPIT FILLED WITH SMOKE AND THE CABIN FILLED WITH SMOKE SLIGHTLY. *S/D* FOUND AIR CYCLE MACHINE SEIZED. REPLACED ACM. AIRCRAFT AIR CONDITIONING OPERATES NORMAL.SDR 97UAL900686Engine · fireSMOKE FROM REAR OF NR 2 ENGINE AFTER SHUTDOWN. FOUND SMALL FIRE BURNING IN TAILPIPE. FIRE WENT OUT BY ITSELF. *S/D* ALL MAINTENANCE CHECKS WITHIN OPERATING LIMITS. NOT CONTINUED OPERATION PROBLEMS. ACCOMPLISHED FUEL SHUTOFF MEASUREMENT CHECK. CHECKS WITHSDR DHL9780756CAnti-Ice Deflect · brokenENG NR 3, IN THE RT SIDE OF NOSE COWL L/E AT 3 O'CLOCK, ANTI-ICE DEFLECTOR BROKEN. ACCOMPLISHED ENG NR 3 NOSE COWL ANTI-ICE DEFLECTOR L/E AT 3 O'CLOCK REPAIR BY TRIMMING CRACKED SECTION IAW SB 71-105, PAGE 19. TREATED AREA OF TRIMMED DEFLECTOR PER SRM 51-1-8SDR 97UAL900665Smoke Detector · malfunctionedUNEXPLAINED AFT RIGHT-HAND LAVATORY SMOKE DETECTOR WARNING. *S/D* NO SIGNS OF SMOKE AND/OR FIRE DAMAGE WERE IDENTIFIED IN THE LAVATORY, AND NO SIGNS OF TAMPERING AND/OR DAMAGE TO DETECTOR WERE NOTED. OPERATIONAL CHECK TESTED OK. THERE HAVE BEEN NO SUBSEQUESDR 97UAL900645Pressurization · malfunctionedAIRCRAFT DID NOT PRESSURIZE AFTER TAKEOFF IN AUTO OR STANDBY-MANUAL WAS NOT USED. *S/D* PERFORMED OPERATIONAL CHECK, OPS CHECK GOOD. RAN EQUIPMENT COOLING NORMAL SUPPLY. FAN OPERATED NORMALLY. PRESSURIZED AIRCRAFT WITH APU TO 6 PSID, NO PROBLEMS NOTED. PSDR 97UAL900642Bearing · failedNR 1 ENGINE VIBRATION ENCOUNTERED AT 35,000 FEET AND WAS FOLLOWED SOON AFTER BY AN OIL FILTER BYPASS LIGHT AND FLUCTUATING FUEL FLOW. *S/D* ENGINE WAS REMOVED. ENGINE DISASSEMBLY REVEALED A NUMBER 4 BEARING FAILURE.SDR 97UAL900622Compressor · failedON TAKEOFF ROLL, CREW FELT A 'POP' AND PULL TO THE RIGHT. ENGINE INDICATIONS NORMAL. NORMAL ON CLIMBOUT UNTIL APPROXIMATELY 19 THOUSAND FEET, NR 2 ENGINE COMPRESSOR STALL TYPE NOISE. PULLED BACK TO IDLE AND NOTED FAINT LOW FREQUENCY VIBRATION. *S/D* ENGINSDR 97UAL900599Computer · failedDUE TO A STALL WARNING INDICATION, TAKEOFF WAS ABORTED AT AN ESTIMATED SPEED OF 108 TO 110 KNOTS. *S/D* CHECKS WERE PERFORMED ON THE ANGLE OF ATTACK SENSORS, STALL WARNING COMPUTERS, AND STICK SHAKERS ON BOTH SYSTEMS. EVERYTHING CHECKED NORMAL. THE STALL WSDR 97UAL900585Fire Loop · shortedFLIGHT DIVERTED TO ONT AFTER DEPARTURE FROM PHX DUE TO APU FIRE WARNING INDICATION. APU FIRE BOTTLE BLOWN DUE TO FIRE INDICATION. *S/D* APU TAILPIPE OVERHEAT LOOP, M515, WAS SHORTED TO GROUND. ELEMENT LOOP M515 WAS REPLACED AND PROPERLY POSITIONED ON THE ASDR 97UAL900556Tire · failedTIRE TREAD LOSS ON TAKEOFF. SURROUNDING GEAR DOORS WERE DAMAGED. *S/D* REPLACED NR 3 AND NR 4 MLG TIRES DUE TO NR 4 TIRE THROWING TREAD. DAMAGE INCURRED TO RT MLG INNER DOOR. NR 4 TIRE CARCASS WAS BF GOODRICH.SDR 97UAL900539Cdp Tube · looseABORTED TAKEOFF AT APPROXIMATELY 140 KNOTS. NR 1 ENG LOST POWER DURING TAKEOFF AND WAS UNRESPONSIVE TO THROTTLE. EGT WAS NORMAL, PMC AND AUTO-THROTTLE WERE ON WITH NO LIGHTS. THROTTLE RESPONSE WAS SLOWER THAN NR 2. *S/D* MAINTENANCE FOUND THE CDP B-NUT LOSDR 98UAL900323Overheat Det · failedRIGHT BODY OVERHEAT LIGHT CAME ON IN FLIGHT, SHUT OFF PNEUMATICS AND THE PACK LIGHT STAYED ON. *S/D* REPLACED LOOP M1204 PER MM 26-18-11 AND OPS CHECKED OK PER MM 26-18-00.SDR 98UAL900321Controller · malfunctionedAUTO PRESSURIZATION FAILED AND CABIN ALTITUDE CLIMBED UNTIL CABIN ALTITUDE WARNING SOUNDED. *S/D* CABIN PRESSURE CONTROLLER SWITCHED TO STANDBY MODE AND AIRCRAFT REGAINED PRESSURIZATION CONTROL. THE CABIN PRESSURE CONTROLLER AND PRESSURE CONTROL PANEL WERE SDR 97UAL900505Acm · failedAFTER TAKEOFF, NOTICED SMELL OF BURNING, SOMETHING LIKE GLYCOL, AFTER DE-ICE OCCURRED. DISSIPATED OVER 5 MINUTES. *S/D* AFTER SYSTEM INSPECTION, FOUND METAL CHIPS IN RIGHT HAND AIR CYCLE MACHINE. ACM REPLACED, OPS CHECK GOOD.SDR 97UAL900501Coalescer Bags · dirtyODOR IN AIR CONDITIONING SYSTEM DURING CLIMB AND CRUISE. *S/D* ODOR DESCRIBED AS OIL OR BURNING RUBBER. REPLACED COALESCER BAGS (BOTH SIDES). INSPECTED BOTH AC BAYS AND NO DISCREPANCIES FOUND, OPS CHECK GOOD.SDR 97UAL900497Flapper Valve · stuck openCOULD NOT PRESSURIZE AIRCRAFT. *S/D* FOUND GROUND CART AIR HOOKUP FLAPPER VALVE STUCK IN THE FULL OPEN POSITION. VALVE WAS RESET TO CLOSED POSITION AND SPRINGS LUBRICATED. SUBJECT VALVE WAS REPLACED.SDR 97UAL900477Control Module · misriggedNO GREEN LIGHT ON LEFT MAIN LANDING GEAR WHEN GEAR HANDLE PUT IN DOWN POSITION. GEAR DID NOT EXTEND AND WAS EXTENDED MANUALLY.SDR 97UAL900478Prsov · failedRIGHT BLEED TRIPOFF LIGHT ON AND A SECOND LATER LEFT BLEED TRIPOFF LIGHT ON. TOTAL LOSS OF CABIN PRESSURE. INITIATED EMERGENCY DESCENT PROCEDURES. ACCOMPLISHED PNEUMATIC SYSTEM TROUBLESHOOTING ON BOTH ENGINES. NUMBER ONE ENGINE TESTED GOOD. NUMBER 2 ENGINSDR 97UAL900472Tire · failedAMBER LIGHT DUE TO NR 2 MAIN TIRE TREAD SEPARATION AND THE LOSS OF THE 'A' HYDRAULIC SYSTEM. *S/D* FOUND LT LANDING GEAR TRANSFER CYLINDER HAS THREE DAMAGED HYDRAULIC LINES. REPLACED LINES IN ADDITION TO NUMBER 2 AND NUMBER 1 TIRES. NO PRELIMINARY FINDINGSSDR 97UAL900441Indicator · malfunctionedPER CREW, AFTER EXTENDING FLAPS TO 5 DEGREES, FLAPS LOCKED OUT. UNABLE TO MOVE UP OR DOWN. CYCLING TRAILING EDGE FLAP CIRCUIT BREAKER, NO HELP. NEEDLES ARE MATCHED. *S/D* THE TRAILING EDGE FLAP POSITION INDICATOR WAS DETERMINED TO BE THE CAUSE OF THE DISCSDR 97UAL900442Bleed Valve · failedNR 1 BLEED AIR TRIP ON CLIMB. *S/D* HI-STAGE VALVE FAILED. REPLACED HI-STAGE VALVE.SDR 97UAL900420Fire Loop · out of positionEXPERIENCED RT WING BODY OVERHEAT WARNING. OVERHEAT LIGHT ON INTERMITTENT DURING CLIMB. *S/D* THE CAUSE WAS ATTRIBUTED TO THE POSITIONING OF THE FIRE DETECTION LOOP ELEMENTS 35564-4-310 (RT LEADING EDGE OVERHEAT) AND 35560-4-310 (RT ENGINE STRUT CAVITY OVERSDR 97UAL900421Spring · brokenAFT CARGO DOOR WARNING LIGHT ON FOLLOWING TAKEOFF. *S/D* FOUND INNER DOOR HANDLE SPRING BROKEN. REPLACED SPRING.SDR 97UAL900398Lights · inoperativeESCAPE PATH LIGHTING IN COACH CABIN INOP.SDR 97UAL900386Duct · leakingAPU INOP. ON TAKEOFF ROLL FIRE WARNING SOUNDED. CREW ABORTED TAKEOFF AND EMPTIED BOTH FIRE BOTTLES. *S/D* REPLACED APU FIRE BOTTLES, SQUIB, AND YELLOW DISCHARGE DISK. REPLACED FORWARD CLAMP AT LOAD CONTROL VALVE DUE TO EXCESSIVE LEAKAGE. PERFORMED SUCCESSDR 97UAL900380Buss · failedPUT 2 GENERATOR ON LINE AND THE BATTERY BUS FAILED. NR 2 ENGINE BATTERY BUS WAS SHUTDOWN AND RESTORED OK. EXTERNAL POWER PUT ON AND BATTERY BUS FAILED. SMOKE IN THE COCKPIT DUE TO PACK AND ELECTRICAL BUS PROBLEM.SDR 97UAL900370Fire Wire · chafedABORTED TAKEOFF AT 90 KNOTS WITH APU FIRE WARNING. APU WAS NOT RUNNING AT THE TIME. CREW PULLED FIRE HANDLE AND DISCHARGED APU FIRE BOTTLE. APU WAS NOT RUNNING. FOUND FIRE DETECTOR WIRING PIN CHAFFED AT THE FORWARD END BETWEEN FIRE SHROUD HALVES. NO DAMAGSDR 97UAL900350Structure · damagedLWR FUSELAGE WAS DAMAGED BY AN A/C TUG. A/C HAD SKIN, STR AND FRAME DAMAGE TO FUSE. LWR LOBE (BELLY) STA 840 TO 1015 BTW STR 23 LT AND 26 RT FUSE. BELLY SKIN TORN STA 840/STR 26 RT FWD TO STA 920/STR 24 LT. STR 26R, 27R, 27L, 26L, 25L, 24L, 23L SEVERED. FSDR 97UAL900343Connector · looseAFT 5 FEET OF EMERGENCY FLOOR LIGHTS OUT. SECURED LOOSE CONNECTOR, OPS CHECK GOOD.SDR 98UAL900177Coupler · failedCAPTAIN AND FIRST OFFICER DETECTED UNCOMMANDED RUDDER MOVEMENT ON TAKEOFF ROLL. *S/D* REPLACED YAW DAMPER COUPLER, OPS CHECK GOOD.SDR 97UAL900322Controller · failedRETURNED TO FIELD. UNABLE TO PRESSURIZE THE CABIN. *S/D* CABIN PRESSURE CONTROLLER FAILED. REPLACED CABIN PRESSURE CONTROLLER, OPS CHECK GOOD.
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