JASC 7721

Service difficulty reports · 62

Reports filed under 7721 · Cylinder Head Temperature (CHT) Indicating System, newest first.

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 jasc_code = '7721'
  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 SWAA2024080823958Probe · failedRED BOX ON SHUTDOWN IN #2 ENG. EGT REDLINE LIMIT EXCEEDED ON TAKEOFF. DISCONNECTED A/T AND REDUCED THRUST; NO FURTHER INDICATIONS.<[01] T/S PER FIM 71-06 TASK 805 AND ACCOMPLISHED EA M-21-177-01860. FOUND CJ10 HARNESS; S3; AND S4 EGT PROBES FAILING RESISTANCE Aug 5, 2024 · N235WN · Boeing 7377H4SDR 2023FA0000564Cylinder Head · crackedCRACKED #5 CYLINDER HEADSep 21, 2023 · N748CM · Cirrus SR22TSDR CALA2023072602333Thermocouple · out of rangeR ENG HAD RAPID EGT INCREASE TO CAUTION REDUCED THRUST TO 74 N1 AND STABILIZED 77-20862 AND 77-20872. UPDATED MAA CODE FIX USING VENDOR MAA SCREEN UPDATED MAA CODE FIX USING VENDOR MAA SCREEN UPDATED MAA CODE FIX USING VENDOR MAA SCREEN UPDATED MAA CODE FIX USJul 22, 2023 · N47414 · Boeing 737900ERSDR 2023F00148Probe · defectiveDURANTE CARRETERO NO ARRANCO MOTOR 2, SE REEMPLAZA PROBETA T49-5, DE ACUERDO A EL AMM 77-21-01Feb 23, 2023 · Boeing 7378SDR SWIA20230205Not Reported · failedBEFORE DEPARTURE WE NOTICED SOME NICKS ON THE N1 BLADES FOR ENGINE 2. WE HAD MAINTENANCE COME OUT AND CORRECT IT. WHILE IN ROUTE TO BOSTON WE GOT HIGH VIBES ON ENGINE 2. RAN THE QRH PROCEDURE FOR HIGH ENGINE VIBRATION. ENGINE 2 MAX HP VIBE 4.0 (AMBER). THEN ATFeb 5, 2023 · N610CZ · Emb ERJ170200LRSDR CALA2023010900064Hmu · inoperativeLEFT ENGINE UNABLE TO PRODUCE MORE THAN 90.1 WITH A REQUEST FOR MAX RIGHT ENG 100.3 CLOSE TO 80 DEGREES AT IDLE. REMOVED MAIN FUEL PUMP. INSTALLED NR 1 HMU IAW AMM 73-21-10-400-801-F00 UP TO STEP G. INSTALLED MAIN FUEL PUMP IAW AMM 73-11-11-400-801-F00. PJan 9, 2023 · N78509 · Boeing 737824SDR OZCA340084221207Periseal · unserviceable#2 ENGINE IN CRUISE, ITT OUT OF LIMITS. C/W QRH. - REMOVED AND REPLACED R/H SIDE UNDER WING FLAP PERI-SEAL IAW SF340A AMM 36-11-40-04. RUN CHECKS SATISFACTORILY.Dec 7, 2022 · N671BC · Saab SF340ASDR SWIA202266912Blades · damagedNR 2 ENGINE SEIZED ON CLIMB OUT. LOUD AGGRESSIVE BANG FROM ENGINE. ITT IN THE RED. N1 ROLLED BACK. RAN QRC QRH FOR SEVERE ENGINE FAILURE IN FLIGHT. SHUT DOWN ENGINE. NO OVERWEIGHT LANDING. NORMAL LANDING. (FLIGHT 5405) DUE TO RT ENGINE EXPERIENCING AN UNRECOVNov 27, 2022 · N881AS · Cndair CL6002B19SDR HALA2022112800300Fastener · looseETOPS- ATB DUE TO ENG 2 EGT OVERTEMP MESSAGE ON ECAM. DURING PERFORMING TSM 77-21-00-810-855-A, FOUND LOOSE FASTENER ON TERMINAL BLOCK 3019VC. RE-SECURED LOOSE FASTENER. BITE CHECK EEC CHANNEL A&B, CHECKED OK. ENGINE IDLE RUN 3 TIMES. NO DEFECTS NOTED. OKNov 25, 2022 · N392HA · Airbus A330243SDR CALA2022112103193Harness · failedENG 2 EGT OVERTEMP ONT/O ROLL.TEMP APROX 890C 77-20-00-810-802-B. TOMC-MEREDITH UPDATED MAA CODE FIX USING VENDOR MAA SCREEN CREW REPORTED LOW SPEED ABORTED TAKEOFF AND EGT INDICATION POST FLIGHT REPORTS. SEE ATTACHED PICTURES. PLEASE CONTACT TOMC BEFORE COMMENov 21, 2022 · N831UA · Airbus A319131SDR GTIA2022101336720None · none"ON APPROACH OUT OF 8000' ENG 2 EGT OVERLIMIT ECAM RECEIVED ENG 2 EGT OBSERVED IN RED IN EXCESS OF 840*C. ENGINE GAS PATH REPORT INDICATED TEMP OF 890.5*. REDUCED THRUST LEVER #2 TO IDLE AND IT HAD NO EFFECT. AFTER ENGINE WAS (CONTINUE 3085610-2 ( GENERAL Oct 11, 2022 · N637NK · Airbus A320232SDR SWIA202266598None · shutdownIN CRUISE LEFT ITT IMMEDIATELY INCREASE 900+ FLASHING RED, LEFT ENGINE SPUTTERS, N1 DROPS TO ABOUT 30% AND STAYS. LEFT ENGINE WARNING MESSAGE APPEARS. RUN QRC/QRH FOR LEFT ENGINE SHUT DOWN. NO SMOKE. NO VISIBLE DAMAGE. (FLIGHT 5730 - FILED CLOSED) DUE TO ANOct 9, 2022 · N693BR · Cndair CL6002B19SDR YENA2022092300950Solenoid Valve · failedFLT#70, FLL-BOS. ' ENG 1: EGT OVERTEMP ON START AUTO SHUTDOWN; PFR SHOWS ENG 1 FAIL/ENG 1 START FAULT. PER TSM TASK 73-00-00-810-882-A FOUND HPC STAGE 10 BLEED VALVE SOLENOID (4023KS) AND HPC STAGE 7C BLEED VALVE AT FAULT. REMOVED AND REPLACED HPC STAGE 10 VALSep 20, 2022 · N971JT · Airbus A321231SDR NACA2022080200003Harness · shortedWHILE PERFORMING EGT CHECK FOUND UPPER EGT HARNESS SHORTED TO GROUND. REMOVED AND REPLACED EGT UPPER HARNESS ON THE RIGHT ENGINE IAW AMM 77-21-02. NO TRAX TIME INFOAug 2, 2022 · N379CX · Boeing 767323SDR GTIA2022080136560Engine · noneSHORT FINAL EGT 1 HIGH TEMP. PEAK AT 618' ECAM FOLLOWED INFLIGHT SHUTDOWN-REF L.P. 2898134-1 HIGH POWER ASSURANCE TEST PERFORMED, NO DEFECTS NOTED. W.O. 235510 ASSIGNED TO HAVE ENG 1 REMOVED & REPLACED.Jul 31, 2022 · N672NK · Airbus A321231SDR CALA2022070801675Egt Indication · warning messageRT ENG HIGH EGT ON TAKE OFF. MAX EGT 737 SECONDS DURATION. DUE TO PREVIOUS HISTORY OF EGT FAULTS A POSITIVE FIX IS UNLOCKED FOR UPDATE. REQUIRED. PER CREW WHEN THROTTLES WERE PULLED BACK RIGHT ENGINE EGT DEBRIEF CREW, CAPTAIN STATED THAT ONCE THROTTLES BACK TJul 8, 2022 · N649UA · Boeing 767322SDR NACA2022070600004None · noneDURING CRUISE ALTITUDE #2 ENG EGT SURGING BETWEEN 300 AND 800. ACCOMPLISHED FIM 77-21 FT 806. REMOVED AND REPLACED THERMOCOUPLE PROBE #2 IAW AMM 77-21-01, OPS CHECK NORMAL.Jul 6, 2022 · N379CX · Boeing 767323SDR YENA2022041800379Egt Indication · false indicationFLT#6116, SMF-LAX. ' AFTER ENG 1 START DURING ENG 2 START ENG 2 EGT CONTINUED TO CLIMB. AFTER 750 DEC C. ENG 1 EGT ECAM 999 C ON ENG 1, THEN EGT RAPID RESET TO 170 C; PER TSM 77-00-00-810-817B, INSPECTED # 1 ENG EGT JUNCTION BOX AND HARNESS ALL GOOD. NO CLM MEApr 17, 2022 · N712JB · Airbus A320232SDR HALA2022030400068None · noneAFTER LANDING #1 ENG SHOWED EGT OVERHEAT (PEGGED RED), IMMEDIATELY SHUT DOWN ENGINE, ALSO SHOWING ENG 1 MINOR FAULT. (REPEAT) // PERFORMED TSM 77-21-00-810-849-A. DURING INSPECTION OF EGT WIRING HARNESS, FOUND A LOOSE CONNECTION ON TERMINAL BLOCK 3019VC ALUMEMar 3, 2022 · N390HA · Airbus A330243SDR GTIA2022013136250None · noneREJECTED TAKEOFF DUE TO ENG 2 SENSOR FAULT-REMOVED AND REPLACED EGT HARNESS AND JUNCTION BOX IAW AMM 77-21-43, REMOVED AND REPLACED BOTH INWARD AND OUTWARD 4 THERMOCOUPLES SENSOR IAW AMM 77-21-15 OPS CHECK GOOD AT THIS TIME. ENG RUN OKAY NO DUPLICATE FAULT.Jan 30, 2022 · N640NK · Airbus A300*SDR ABXA202212414Cable · brokenDURING CLIMB PASSING 350, NOTICED LEFT EGT WAS LESS THAN 1/2 OF NORMAL. SEI SHOWED 40-46 REGARDLESS OF POWER SETTING.AIRCRAFT PROCEEDED WITH A AIR TURNBACK WITHOUT EVENT. AIRCRAFT WAS GROUNDED BY MAINTENANCE. MAINTENANCE FOUND THERMOCOUPLE HARNESS CONNECTOR BRJan 24, 2022 · N767AX · Boeing 767281SDR YENA2021112200772Egt Indication · damagedFLT 1359, JFK-KIN (AIR TURN BACK TO JFK). AFTER TAKE-OFF ENG #2 EGT INDICATION WENT TO AMBER XXX'S WITH AN AMBER ARC. AIR RETURN AT REQUEST OF MOC, GAUGE REMAINED AMBER THROUGHOUT AIR RETURN.; PFR SHOWS WARNING MSG 77-11 ENG 2 SENSOR FAULT WITH CORRELATED FADNov 21, 2021 · N958JB · Airbus A321231SDR YV3R2020052900268Probe · inoperativeCUSTOMER REPORTED CYLINDER HEAD TEMPERATURE PROBE P/N: 3080-38 WAS INOPERATIVE.Apr 29, 2020 · Robsin R44RAVENIISDR UIEA2019102865791Igniter · failedOVERTEMP ON #1 DURING RELIGHT, SHUTDOWN AT FL 400. RELIGHT AT FL 310. VIA QRH "IN FLIGHT". REF ITEM #1: CREW REPORTED THAT AIRCRAFT WAS APPROACHING FUEL IMBALANCE. CREW SHUT OFF L FUEL PUMPS, FORGOT TO SELECT CROSSFEED. AS THEY WERE GOING TO SELECT CROSSFEED, Oct 26, 2019 · N1487A · Boeing 76731KSDR EPUA201908087001Probe · false indicationLEFT ENGINE CHT RED LINE IN CRUISE FLIGHT. REMOVED AND REPLACED LH ENGINE CHT PROBE IAW PA31 MM 77-20-03. OPS CHECK GOOD.Aug 7, 2019 · N4301C · Piper PA31350SDR YV3R201906200120Probe · erraticCUSTOMER REPORTED CYLINDER HEAD TEMPERATURE (CHT) INDICATION IS ERRATIC ABOVE IDLE SPEED.Jun 10, 2019 · N898GB · Robsin R44RAVENIISDR YV3R2019012200104Probe · inoperativeCUSTOMER REPORTED CYLINDER HEAD TEMPERATURE PROBE P/N: 3080-38 IS INOPERATIVE.May 30, 2019 · N144BB · Robsin R44RAVENIISDR YV3R2019012200102Probe · inoperativeCUSTOMER REPORTED CYLINDER HEAD TEMPERATURE PROBE P/N: 3080-38 DOS NOT READ (INDICATE).May 30, 2019 · Robsin R44RAVENIISDR YV3R2019012200101Probe · inoperativeCUSTOMER REPORTED CYLINDER AHEAD TEMPERATURE PROBE P/N: 3080-38 IS INOPERATIVE.May 30, 2019 · N144BB · Robsin R44RAVENIISDR UIEA2016062700476Cable · looseNR 2 ENGINE LT AND RT SIDE 0300 AND 0900 O`CLOCK CORE AREA IN THE THERMOCOUPLE CABLE SLEEVE LOOSE CLOSE THE UNIT. THERMOCOUPLE CABLE REPLACED IAW 77-21-02, UPPER, ENGINE PN CF6-80C2, S/N 704860.Jun 27, 2016 · N648GT · Boeing 76733AERSDR BSYA2012019Probe · defectiveAFTER TAKEOFF FROM BUF, PILOT NOTICED HIGH TEMPERATURES ON RIGHT ENGINE. PILOT RETURNED AND LANDED SAFELY AT BUF WITHOUT INCIDENT. MAINTENANCE REPLACED DEFECTIVE CHT PROBE, RUN AND OPERATIONAL CHECK NORMAL, NO FURTHER DEFECTS NOTED.May 14, 2012 · N140S · Beech 58SDR BSYA2012017Probe · defectiveSHORTLY AFTER TAKEOFF FROM TEB, PILOT NOTICED RIGHT ENGINE CYLINDER HEAD TEMP GAUGE SPIKED. PILOT RETURNED AND LANDED SAFELY AT TEB WITHOUT INCIDENT. MAINTENANCE REPLACED DEFECTIVE CHT PROBE, OPERATIONAL CHECK GOOD. NO FURTHER DEFECTS NOTED.Mar 27, 2012 · N400RP · Beech 58SDR 2011F00190Probe · malfunctionedCHT GAUGE IN COCKPIT PEGGED HIGH. ALL OTHER INDICATIONS NORMAL. ACFT RETURNED TO BASE. CHT PROBE FOUND TO HAVE AN OPEN CIRCUIT.Aug 23, 2011 · N46FA · Piper PA31350SDR BSYA2011028Probe · failedAFTER DEPARTING LCK TO GO TO FWA THE LEFT CHT INDICATION QUIT, THEN RETURNED TO LCK. MAINTENANCE REMOVED AND REPLACED CHT PROBE OPS CHECKED GOOD.Aug 3, 2011 · N106TG · Piper PA31350SDR CA110303001Sensor · failed(CAN) DURING THE APPROACH TO R23 AT APPROX 170 KTS THE LT ENGINE SPOOLED DOWN. THE ENGINE DID NOT SHUT DOWN. WHEN POWER WAS RE-APPLIED THE ENGINE SEEMED SLUGGISH TO RETURN TO POWER. THE FLIGHT CONTINUED TO LAND NORMALLY CIT SENSOR REPLACED IAW AMM 73-21-02Feb 28, 2011 · Boeing 767375SDR BSYA2009036Probe · failedAFTER TAKEOFF OUT OF DPA, THE LEFT CHT PEGGED OUT. RETURNED TO DPA. REMOVED AND REPLACED CHT PROBE, OPS CHECKS GOOD.Jun 18, 2009 · N1859K · Beech 58SDR CA081029002Probe · malfunctioned(CAN) PILOT OBSERVED LT ENG CYLINDER HEAD TEMP OVER RED-LINE. OTHER ENG PERIMETERS WERE NORMAL. PILOT CHOSE TO SHUTDOWN THE ENG AND FEATHER THE PROPELLER. LANDED WITHOUT INCIDENT. MAINT TROUBLESHOT AND FOUND LT ENGINE CHT READ 150 DEGREES WHEN ENGINE WAS COLD.Oct 27, 2008 · Piper PA31SDR BSY2008F00013Probe · malfunctionedLT CYLINDER HEAD TEMP, WENT ABOVE RED LINE ON TAKEOFF, PILOT THEN RETURNED TO DEPARTURE. REMOVED AND REPLACE CHT PROBE. (K)Sep 26, 2008 · N62500 · Beech 58SDR 3611Probe · inoperativeAIRCRAFT DEPARTED KPGV TO KGMU WITH 2 PASSENGERS. DURING CRUISE, THE NR 6 CHT INDICATOR FAILED AND THE PILOT MADE AN UNSCHEDULED LANDING AT KJQF. THE LANDING WAS WITH OUT INCIDENT. SATSAIR MAINTENANCE WAS FLOWN TO KJQF AND THE NR 6 CHT WAS REMOVED AND REPLACMay 11, 2008 · N820CN · Cirrus SR22SDR BSYA200700016Probe · defectiveEN ROUTE FROM TEB TO HFD WHEN PILOT NOTICED HIGH CYL HEAD TEMP AND DIVERTED INTO MAINTENANCE BASE IN BDL. REMOVED AND REPLACED DEFECTIVE CHT PROBE, OPS CHECKS GOOD.Dec 18, 2007 · N3695V · Beech 58SDR 2350Probe · shortedDURING CRUISE FLIGHT, THE NR 2 CHT READS 380*-420*. AIRCRAFT MADE AN UNSCHEDULED LANDING AT KCAE AT APPROXIMATELY 2010 LOCAL. ONE PASSENGER ON BOARD. AIRCRAFT LANDED WITHOUT INCIDENT OR INJURIES. THE NR 2 CHT READ HOTTER THAN THE OTHERS AND SPIKED INTO THEMay 31, 2007 · N851CD · Cirrus SR22SDR HEEA088645Indicator · damagedLT MOUNTING NUTS INSIDE INDICATOR SPIN WITH SCREWS. TO BE SENT TO VENDOR.Jul 27, 2003 · N854PH · Aerosp AS355*SDR HEEA077455Indicator · stuckT4 INDICATOR NEEDLE STICKS INTERMITTENTLY AT 700 DURING START.Dec 3, 2001 · N856PH · Snias AS350BSDR HEEA077451Indicator · damagedT4 INDICATOR WAS RECEIVED WITH RATTLE NOISE INSIDE. DID NOT INSTALL ON AIRCRAFT. WAS ISSUED AND RETIRED UNSERVICEABLE. SOUNDS LIKE LOOSE SCREW INSIDE.Dec 3, 2001 · N856PH · Snias AS350BSDR HEEA076629Indicator · wornERRATIC INDICATIONS. SENT TO AMERICAN EUROCOPTER CORP. FOR CREDIT AGAINST REPLACEMENT PART PURCHASED. REFERENCE: RMA# R032847.Oct 4, 2001 · N856PH · Snias AS350BSDR B2O2002F00010Thermocouple · inoperativeCHT THERMOCOUPLE INOPERATIVE. CHANGED CHT THERMOCOUPLE.Aug 30, 2001 · N44911 · Doug C54BDCSDR CA010522019Cylinder · separated(CAN) NR 1 CYLINDER BARREL BROKE LEAVING CYLINDER BAS ATTACHED TO CRANKCASE AND CYLINDER ATACHED BY EXHAUST AND INTAKE. APPROXIMATELY 1" OF CYLINDER IS STILL ATTACHED TO CRANKCASE. PISTON AND CONNECTING ROD ARE DESTROYED. BOTH CASE HAVES AND REAR CASE IS DESTRMay 8, 2001 · Cessna 172SDR CA010323006Exhaust Valve · broken(CAN) PILOT REPORTED HIGH OIL TEMP VERNATHERN REPLACED AND ON GROUND RUN ENGINE RAN ROUGH. LARGE AMOUNT OF OIL NOTED COMING FROM SNIFFLE VALVE MIXED WITH FUEL. SPARK PLUGS REMOVED AND FOUND THOSE REMOVED FROM NR 5 CYLINDER WERE DAMAGED. REMOVED CYLINDER AND FOMar 7, 2001 · Piper PA31350SDR CA010403012Cylinder · cracked(CAN) DURING A FLIGHT THE PILOT WAS FEELING AN ENGINE VIBRATION. HE REDUCED POWER AND CONTINUED HIS FLIGHT. ON MAINTENANCE THE NR 3 CYLINDER WAS FOUND CRACK FROM FRONT SPARK PLUG HOLE TO THE REAR.Mar 5, 2001 · Dhav DHC3SDR CA010313017Spark Plug · damaged(CAN) IN CRUISE PILOT REPORT RT ENGINE SURGING, THEN COMPLETELY ROUGH RUNNING. ENGINE SHUTDOWN, AIRCRAFT LANDED SAFELY. COMPRESSION TEST REVEALED ONE WEAK CYLINDER 50/80 PSI. BOTH SPARK PLUGS IN THAT CYLINDER SHORTED DUE TO BEING PEENED OVER BY FOREIGN OBJECT Feb 15, 2001 · Beech 76
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