GE CT7-9B

Service difficulty reports · 1,271

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 = 'CT79B'
  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 NSVA20070105Indicator · damagedRT ENG ITT DIGITAL APPEARED TO READ 947 DURING TAKEOFF. CREW COLD NOT VERIFY IF ANALOG READING SAME. AFTER ABORT FOUND DIGITAL SEGMENT TO BE MISSING. REMOVED AND REPLACED RT ENGINE TEMP INDICATOR, IAW SAAB AMM 39-40-30-04 OPS CHECK GOOD, P/N ON 10227N01T00 Apr 17, 2007 · N321CJ · Saab 340B · Engine EGT/TIT Indicating SystemSDR NSVA20070100Ecu · malfunctionedDURING ALL FLIGHT CONDITIONS RT ENGINE TORQUE FLUX +/- 3 PERCENT ITT FLUX PLUS/MINUS 5 DEGREES ENGINE OIL PRESSURE FLUX PLUS/MINUS10 PSI. REMOVED AND REPLACED THE DECU IAW CHAPTER 76-10-57-04 OF THE SAAB 340-AMM P/N 6071T20P16, P/N ON 6071T20P18 S/N OFF ECDT1Apr 16, 2007 · N194CJ · Saab 340B · Engine BMEP/Torque IndicatingSDR NSVA20070097Control Unit · malfunctionedLT ENG TQ 40 PERCENT ON TAKEOFF ROLL AND THEN NORMALIZED. REMOVED AND REPLACED NR 1 DEC PN 6071T20P18, SN ON LMDT2171, SN OFF EMDT3020 IAW GEMM 74-00-00. PERFORMED HIG SPEED TAXI TEST, OPS CHECK GOOD.Apr 12, 2007 · N344CJ · Saab 340B · Fuel Control/Turbine EnginesSDR NSVA20070096Stop · intermittentFI IDLE STOP LT INTERMITTENT. PERFORMED ADJUSTMENT TEST OF THE FLIGHT IDLE STEP SYSTEM IAW SAAB 340 AMM 76-10-60. OPERATIONAL TEST PASSED.Apr 11, 2007 · N193CJ · Saab 340B · Engine ControlsSDR CA070402002Line · chafed(CAN) HYDRAULIC FLUID WAS NOTICED ROUND ACCESS PANEL 151CB RT. INVESTIGATION REVEALED A WEAR MARK AND PIN HOLE IN A HYDRAULIC LINE UNDER THE PANEL. FURTHER INVESTIGATION INDICATED THAT AN AJACENT PANEL BONDING STRAP HAD LOOPED WHEN THE PANEL WAS CLOSED AND HADApr 2, 2007 · Saab 340B · Hydraulic System, MainSDR NSVA20070081Control Unit · erraticRT ENGINE ERRATIC DURING RUN-UP ITT SURGE (+200 DEGREES) AND PROP, RPM SURGE (UP TO 1250 RPM) OBSERVED. REMOVED AND REPLACED DECU IAW 76-10-57, OPS CHECK GOOD, PN ON/OFF 6071T20P17, SN ON ECDT1074, SN OFF ECDT1392.Mar 31, 2007 · N343CJ · Saab 340B · Power Indicating SystemSDR NSVA20070080Engine · failedABORTED TAKEOFF AT APPROXIMATELY 45KTS DUE TO A LOUD BANG, AND AN OVERTEMP CONDITION OF APPROXIMATELY 1450 CELSIUS ON RT ENGINE. CAPTAIN NOTICED EXCESSIVE YAW TO THE LEFT AND SMOKE COMING FROM RT ENGINE INTAKE. AFTER RETURNING TO GATE, FOUND METAL SHAVINGS IMar 31, 2007 · N249CJ · Saab 340B · Engine (Turbine/Turboprop)SDR CA070327011Coupling · damaged(CAN) IN CRUISE A BLEED AIR LEAK INDICATION WAS OBSERVED FOR THE RT ENGINE. THE ENGINE WAS SHUTDOWN AS A PRECAUTIONARY MEASURE. AN UNEVENTFUL LANDING WAS MADE. MAINTENANCE INSPECTION FOUND NO EVIDENCE OF A BLEED AIR LEAK. FURTHER INVESTIGATION SHOWED THAT A FIMar 27, 2007 · Saab 340B · Oxygen SystemSDR NSVA20070076Throttle · looseFLIGHT IDLE STOP HAS EXCESSIVE UP AND DOWN SLACK AND FLIGHT IDLE LIGHT ON STATUS PANEL IS ON. REMOVED AND REPLACED THROTTLE QUADRANT IAW SAAB AMM 76-10-05-04 PN 53170-6 SN ON 252 SN OFF 029, OPS CHK IS REQUIRED. OPS CHK IAW 76-10-05. OPS CHK GOOD.Mar 27, 2007 · N347CJ · Saab 340B · Power LeverSDR NSVA20070065Stop · openFLIGHT IDLE STOP OPEN IN FLIGHT. RESET FLIGHT IDLE TOP IAW SAAB MM 76-10-60-02 PER OPERATIONAL OK IAW AMM MM 76-10-60-05.Mar 14, 2007 · N343CJ · Saab 340B · Power LeverSDR NSVA20070062Connector · disconnectedFLIGHT IDLE STOP DID NOT OPEN AFTER LANDING. OVERRIDE PULLED. T/S IAW AMM 76-10-60-01 FIG 111 AND FOUND BOTH CONNECTORS PLUGS ON THE ANTI-SKID CONTROL BOX DISCONNECTED, RECONNECTED CONNECTORS IAW AMM 32-43-05, OPS CHECKED ANTI-SKID SYSTEM IAW AMM 32-40-00-0Mar 9, 2007 · N277MJ · Saab 340B · Landing Gear System WiringSDR NSVA20070056Control Panel · malfunctionedLT ENG CAME OFF CTOT/APR ON TAKEOFF, TORQUE FELL FROM 85 PERCENT TO 40 PERCENT. REMOVED AND REPLACED CTOT CONTROL PANEL IAW SAAB AMM 76-10-50-04. OPS CHECK GOOD. P/N7239060503, S/N ON 206244, S/N OFF 0275 A/P 543250726.Mar 8, 2007 · N321CJ · Saab 340B · Engine Indicating SystemSDR MALA070027Hose · rupturedRT BLEED AIR LEAK LIGHT CAUTION LIGHT ILLUMINATED DURING FLIGHT AT APPROXIMATELY 10,000, FT RAN THE QRH. CAUTION LIGHT WHEN OUT INITIALLY THEN CAME ON INTERMITTENTLY WITH BLEED AIR AND HP VALVES CLOSED, THIS CONTINUED UNTIL DESCENT, WHEN POWER WAS AT A LOW SEFeb 12, 2007 · N448XJ · Saab 340B · Pneumatic Distribution SystemSDR CA070209021Blade · separated(CAN) AFTER REACHING CRUISING ALTITUDE OF 23000 FT THE LT ENGINE SURGED AND THE LOW OIL PRESSURE LIGHT ILLUMINATED. THE ENGINE WAS SHUTDOWN AND THE FLIGHT CONTINUED TO WHERE AN UNEVENTFULL LANDING WAS MADE. THE ENGINE STRIP SHOWED THAT THE COMPRESSOR STAGE ONEFeb 7, 2007 · Saab 340B · Turbine SectionSDR MALA070004Engine · malfunctionedDURING FLIGHT AT CRUISE, LT ENGINE OIL PRESSURE WARNING LIGHT CWP ILLUMINATED WITH OIL PRESSURE VERIFIED LOW (ENG OIL GAUGE PSI BELOW 30 PSI (REDLINE) ON INDICATION. CREW FOLLOWED QRH AND SECURED ENGINE. EN ROUTE BETWEEN CWA AND MSP, EAST OF EAU, ENGINE NR 1Jan 10, 2007 · N449XJ · Saab 340B · Engine (Turbine/Turboprop)SDR MALA060638Flange · damagedCABIN FILLS WITH FUEL SMELL AFTER ENGINE START. FOUND LEFT FUEL/OIL HEATER AFT FUEL FLANGE LEAKING. RESEALED AFT FUEL FLANGE (O-RINGS P/N'S 100-035-0073 AND 100-137-0073). LEAKS CHECK GOOD. NO FUEL ODOR NOTED.Dec 26, 2006 · N415XJ · Saab 340B · Engine Fuel DistributionSDR SIMA200636008Fuel Control · failedLT ENGINE IGNITION LIGHT CAME ON AND TORQUE INDICATION WENT TO ZERO. REMOVED AND REPLACED IAW CMM 74-00-00. OPERATIONAL CHECK GOOD, RETURNED AIRCRAFT TO SERVICE.Dec 25, 2006 · N398AM · Saab 340B · Fuel Control/Turbine EnginesSDR SIMA200636006Indicator · failedLT TORQUE GAUGE WENT TO ZERO, RETURNED TO DEPARTURE. REMOVED AND REPLACED TORQUE INDICATOR IAW AMM 77-13-05. OPERATIONAL CHECKED GOOD, RETURNED AIRCRAFT TO SERVICEDec 22, 2006 · N398AM · Saab 340B · Engine BMEP/Torque IndicatingSDR MALA060622Valve · warning messageRIGHT AIRVALVE LIGHT ILLUMINATED IN FLIGHT, CREW PERFORMED QRH LIGHT EXTINGUISHED AND CAME BACK ON. RETURNED DUE TO ICING CONDITIONS REPLACED AIRVALVE.Dec 10, 2006 · N407XJ · Saab 340B · Ice/Rain Protection SystemSDR NSVA200600218Bleed Valve · malfunctionedSHORTLY AFTER TAKEOFF RT ENGINE COMPRESSOR STALLS WITH LOSS OF POWER. SEEMED LIKE ENGINE WAS AUTOCOARSENING (LOSS OF PROP OIL PRESS) WITH YAW. YAW INCREASE WHEN POWER INCREASED AFTER PROP OIL PRESS STABILIZED. TQ JUMPED FROM 15 TO 60 WITH TRIED POWER INCREANov 27, 2006 · N314CE · Saab 340B · Compressor Bleed ValveSDR NSVA200600205Control Panel · failedLT TQ INDICATION DROPPED TO 30 PERCENT ON TAKEOFF ROLL WHEN CTOT APR SWITCH SELECTED TO APR. REMOVED AND REPLACED CTOT PANEL. OPS CHECKS GOOD IAW AMM 76-10-50, P/N ON-OFF 7239060-503.Nov 17, 2006 · N251CJ · Saab 340B · Engine ControlsSDR MALA060604Valve · malfunctionedAFTER TAKEOFF THE LT DUCT OVERTEMP ILLUMINATED AND LT BLEED CLOSED, RESET BLEED AND OVERTEMP OCCURRED AGAIN. UNABLE TO CONTROL TEMP IN MANUAL OR AUTO. REPLACED LT DUAL TEMP CONTROL VALVE IAW AMM 21-61-05-02 OPS CHECK GOOD. PN 776902-2 SN ON 860514, OFF 9211Nov 15, 2006 · N446XJ · Saab 340B · Cabin Temperature Control SystemSDR NSVA200600202Ecu · failedRT ENGINE LOST TORQUE AND PROP RPM INDICATIONS AFTER DEPARTURE. UPON INSPECTION OF NR 2 RT ENGINE FOUND ECU BAD. REMOVED AND REPLACED NR 2 ECU PN OFF 99207S0CN6071T2DPT6 PN ON 99207S0CN0671T20P17 SN OFF ECD11679 SN ON ECDT1284 IAW 74-00-00 GE ENGINE MANUAL PANov 14, 2006 · N191MJ · Saab 340B · Engine (Turbine/Turboprop)SDR MALA060601Valve · failedFLIGHT 3076 RETURNED TO DTW DUE TO A FAILURE OF ENGINE NR 1 AIR VALVE. THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. REPLACED THE AIR VALVE.Nov 10, 2006 · N451XJ · Saab 340B · Engine Anti-Icing SystemSDR NSVA200600200Engine · malfunctionedLEFT ENGINE FAILED IN FLIGHT, LEFT ENGINE OIL PRESSURE WAS +/-30 PSI. REMOVED AND REPLACED LT ENGINE IAW 71-00-01S LEAK AND OPS CHECKED GOOD, PN ON/OFF 6058T83G01, SN ON 785552, SN OFF 785447.Nov 10, 2006 · N356CJ · Saab 340B · Engine (Turbine/Turboprop)SDR MALA060599Smoke Detector · malfunctionedLAVATORY SMOKE LIGHT ILLUMINATED ON TAXI OUT. RETURNED TO THE GATE WHERE MAINTENANCE DEFERRED THE SYSTEM. NO SMOKE PRESENT. REPLACED DETECTOR.Nov 8, 2006 · N427XJ · Saab 340B · Fire DetectionSDR NSVA200600198Friction Lock · out of adjustCONFIG LIGHT CAME ON DURING TAKEOFF, ABORTED AT 90 KNOTS INSPECTED, FOUND FRICTION LOCK POSSIBLY AT FAULT. PERFORMED ADJUSTMENT AND TEST PROCEDURES IAW SAAB MM 71-00-00. OPS CHECK NORMAL NO CONFIG LIGHT ILLUM AND CONDITION LEVER FRICTION LOCK WORKS FINE, NO Nov 7, 2006 · N309CE · Saab 340B · Engine (Turbine/Turboprop)SDR MALA060598Starter · inoperativeRT ENGINE WENT TO FX WHEN IT HAD A LOW OIL PSI WARNING ON SHORT FINAL. CREW SHUT THE ENGINE DOWN. FLIGHT LANDED WITHOUT FURTHER INCIDENT. REMOVED AND REPLACED STARTER IAW JC243103, P3 SWITCH IAW 01-22-00-01, AND PCU SOLENOID RDI NR 3 KFB IAW CMM 61-20-27. OPS Nov 6, 2006 · N427XJ · Saab 340B · Engine StarterSDR MALA060593Oil Filter · dirtyRIGHT ENGINE OIL BYPASS LIGHT ILLUMINATED ON CLIMB-OUT. PRESSURE AND TEMP ARE NORMAL. AIR RETURNED TO MEM. PERFORMED JC7910-304. INSPECTED SCAVENGE SCREENS. ALL CHECKS CLEAN. REMOVED AND REPLACED FILTER. NO LIGHT ILLUMINATED.Nov 3, 2006 · N413XJ · Saab 340B · Turbine Engine Oil SystemSDR MALA060587Thermister · failedON DEPARTURE FROM DTW, THE LT ENGINE ANTI ICE WARNING LIGHT ILLUMINATED. THE FLIGHT RETURNED FOR CORRECTIVE ACTION AND LANDED WITHOUT FURTHER INCIDENT. OHMED THERMISTORS AND FOUND THERMISTOR 3 WOULD INTERMITTENTLY OPEN UP WHILE COOLING. UNUSED THERMISTOR 5 BADNov 1, 2006 · N435XJ · Saab 340B · Air Intake Anti/De-Ice SystemSDR MALA060588Audio Control · failedON DEPARTURE FROM DTW THE FO'S AUDIO PANEL FAILED. THE FLIGHT RETURNED TO DTW WITHOUT FURTHER INCIDENT. CLEANED CAB RP SWITCH.Oct 30, 2006 · N410XJ · Saab 340B · Audio Integrating SystemSDR MALA060589Battery Pack · no testFAILED CAP CHECK. REPLACED BATTERY PACK.Oct 30, 2006 · N414XJ · Saab 340B · Emergency LightingSDR MALA060584Control Module · failedDURING FLIGHT, THE ENGINE INTAKE HEAT SYSTEM FAILED AND THE FLIGHT DIVERTED WITHOUT FURTHER INCIDENT. REPLACED THE LT CONTROL MODULE AND LT LOWER DUCT.Oct 28, 2006 · N423XJ · Saab 340B · Air Intake Anti/De-Ice SystemSDR NSVA200600182Ecu · failedON TAKEOFF, THE TORQUE GAUGE DROPPED TO 0, ITT FLUCTUATED TO 100 DEG'S AND THE IGNITION LIGHT ILLUMINATED BRIEFLY. REMOVED AND REPLACED RT DECU IAW AMM 76-10-57-04. OPS CHECK GOOD, PN OFF 6071T20P16 PN ON 6071T20P17 SN OFF ECDT1603 SN ON ECDT1306.Oct 20, 2006 · N343CJ · Saab 340B · Fuel Controlling SystemSDR MALA060579Unknown · odorCREW NOTED STRONG ELECTRICAL ODOR, ONLY NOTICABLE IN THE FLIGHT DECK. WINDSHIELD HEAT IS SUSPECTED. RAN AIRCRAFT FOR 20 MINUTES WITH ALL ELECTRICAL ON, ALL HEAT, WINDSHIELD , PROP, INTAKE, BLEEDS ON. NO ODOR NOTED. COULD NOT DUPLICATE.Oct 16, 2006 · N426XJ · Saab 340B · Air Distribution SystemSDR MALA060578Channel · crackedDURING COMPLETION OF AN E8 CHECK INSPECTION ON THIS AIRCRAFT, NOTED A CRACK IN THE LOWER CHANNEL OF THE RT ENGINE OB FORWARD COWLING. THE CRACK WAS NOTED IN CHANNEL PN 7271110-274 AND WAS APPROXIMATELY 12 INCHES LONG. CRACK WAS LOCATED IN THE APPROXIMATE CENTEOct 13, 2006 · N427XJ · Saab 340B · Nacelle/Pylon Miscellaneous StructureSDR MALA060576Duct · sparksCREW NOTED SPARKS COMING OFF RT INTAKE LOWER DUCT AND A BURNED ELECTRICAL ODOR IN THE CABIN. MAINTENANCE CONFIRMED THAT THE RT LOWER DUCT HAS BURN MARKS. REPLACED LOWER DUCT IAW AMM CHAP 30. OPS CHECK GOOD. PN OFF/ON NH24668-169. S/N OFF L291001, S/N ON L2911Oct 12, 2006 · N404XJ · Saab 340B · Air Intake Anti/De-Ice SystemSDR MALA060577Battery · failedFAILED CAP CHECK. REPLACED BATTERY PACK.Oct 12, 2006 · N428XJ · Saab 340B · Battery/Charger SystemSDR MALA060590Connector · dirtyAVIONICS SMOKE LIGHT ILLUMINATED IN FLIGHT. CLEANED LENS AND CONNECTOR. OPS CHECK OK.Oct 6, 2006 · N438XJ · Saab 340B · Fire Protection System WiringSDR NSVA200600168Torque Sensor · fluctuatesDURING CLIMB-OUT AFTER TAKEOFF, LEFT TORQUE FLUCTUATED + OR - 10 - 15 PERCENT LEFT IGNITION LIGHT ILLUMINATED FOR 7SECONDS. CLEANED TORQUE SENSORS, INSTALLED THE DEC TEST HARNESS AND PERFORMED AN OPERATIONAL CHECK OF THE SYSTEM WITH ENGINES RUNNING. ALL INDIOct 4, 2006 · N251CJ · Saab 340B · Engine BMEP/Torque IndicatingSDR CA060929004Wheel · missing(CAN) AFTER ARRIVAL, THE CAPTAIN WAS NOTIFIED THAT THE AIRCRAFT NR 3 MAINWHEEL WAS MISSING. MAINTENANCE INSPECTION REVEALED THAT ALTHOUGH THE WHEEL NUT AND LOCKING BOLT WERE IN PLACE THE WHEEL ITSELF WAS MISSING. (TC NR 20060929004)Sep 28, 2006 · Saab 340B · Wheel/Ski/FloatSDR MALA060566Weu · malfunctionedUPON CLIMB OUT OF MSP THROUGH ABOUT 8000 FT, MASTER WARNING CWP CONFIGURATION WARNING ACTIVATED. AIR RETURNED TO MSP. REPLACED WEU.Sep 27, 2006 · N425XJ · Saab 340B · Central WarningSDR NSVA200600140Engine · failedAT APPROXIMATELY 100 FT AGL, LT ENGINE TEMP WENT TO 1170 DEGREES WITH ASSOCIATED "LOUD BANG" AND L ENGINE OIL PRESSURE LIGHT. DECLARED EMERGENCY RAN CHECK LIST, SHUT DOWN ENGINE. REMOVED AND REPLACED NR 1 ENGINE IAW 71-00-00-04 SN ON GE-E-785342, SN OFF GE-ESep 12, 2006 · N184CJ · Saab 340B · Engine (Turbine/Turboprop)SDR NSVA200600137Carbon Seal · leakingSMOKE COMING FROM LT ENGINE NACELLE PNEUMATIC PRE-COOLER EXHAUST. REMOVED AND REPLACED LT ENGINE BB AXIS CARBON SEAL IAW 72-60-01S. OPS AND LEAK CHECK GOOD, PN ON/OFF 5078T36P01 SN NSN.Sep 10, 2006 · N191MJ · Saab 340B · Turbine Engine Oil SystemSDR CA061002002Engine · failed(CAN) THE FOLLOWING REPORT REFERS TO FLT OCCURRENCE REPORT NR 06-00894. THE AIRCRAFT WAS OPERATING FOR CUSTOMER ON AN OFFSHORE FLIGHT. AT APPROX 09.58 WHILE ON SHORT FINAL APPROACH (IN VMC), 2 POPS WERE HEARD BY THE CREW. A MISSED APPROACH WAS INITIATED, AND DSep 9, 2006 · Skrsky S92A · Engine (Turbine/Turboprop)SDR HEEA110993Seal · failedIN CRUISE NR 1 ENGINE OIL PRESSURE DECREASED TO 28 PSI, CHECK LIST COMPLIED WITH AND RETURNED TO DEPARTURE. MAINTENANCE REPLACED THE AXIS G SEAL AND MATING RING PN 4045T77P02.Aug 31, 2006 · N692PH · Skrsky S92A · Turbine Engine Oil SystemSDR MALA060561Fairing · damagedLT FAIRING PANEL 197BL SUSTAINED DEER STRIKE AND REQUIRES REPAIR. REPAIRED IAW EOS51031. THIS IS A MAJOR REPAIR.Aug 31, 2006 · N437XJ · Saab 340B · Aerodynamic FairingsSDR MALA060562Panel · animal strikePANEL 151CB HAS COMPOSITE DAMAGE FROM DEER STIKE. REPAIRED IAW EOS51031, THIS IS A MAJOR REPAIR.Aug 31, 2006 · N437XJ · Saab 340B · Fuselage Main, Plate/SkinSDR NSVA200600133Throttle Control · warning lightFLIGHT IDLE STOP OPEN LIGHT CAME ON DURING TAKEOFF. REMOVED AND REPLACED THROTTLE QUADRANT IAW AMM 76-10-05, PN ON/OFF 53170-4 SN ON 635, SN OFF 064, OPS CHECK GOOD.Aug 29, 2006 · N196JW · Saab 340B · Power LeverSDR MALA060600Skin · gougedREPAIRED LT ELEVATOR TRAILING EDGE GOUGE FROM TRIM TAB OB HINGE IAW EO NR S51031 WO 214335/3505.Aug 24, 2006 · N452XJ · Saab 340B · Elevator, Plate/Skin
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