JASC 7720

Service difficulty reports · 696

Reports filed under 7720 · Engine Temperature 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 = '7720'
  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 QXEA200700726Sensor · malfunctionedPDX FLIGHT NR 2541: CABIN PACK HOT LIGHT ILLUMINATED WITH APU BLEED ON. PACK HOT LIGHT EXTINGUISHES WITH PACK SELECTED OFF. AIRCRAFT RETURNED TO GATE. MAINTENANCE, AS PRECAUTIONARY MEASURE, REMOVED AND REPLACED RT COMPRESSOR OUTLET TEMP SENSOR IAW Q400 AMM May 6, 2007 · N423QX · Bombdr DHC8402SDR CA070416002Probe · cracked(CAN) 7 OUT OF 8 T5 INDICATION PROBES WERE FOUND WITH LOOSE OR BROKEN TERMINALS AND MISSING CERAMIC INSULATION. THE PROBES APPEAR TO QUITE FRAGILE IN COMPARISON TO THE OEM PART. THE PARTS IN QUESTION ARE PMA PARTS, THEIR PN 26584. PROBES REPLACED AND AIRCRAApr 13, 2007 · Beech 99SDR QXEA200700630Sensor · malfunctionedSEA FLIGHT NR 2383: NR 1 FUEL TEMPERATURE STARTED FLUCTUATING IN THE 80 AND 90 DEGREE RANGE. C/W CHECKLIST. NO IMPROVEMENT. AIRCRAFT RETURNED TO FIELD. MAINTENANCE REMOVED AND REPLACED NR 1 ENGINE TEMP SENSOR IAW Q400 AMM TASK 73-31-09, PAGE 401-408. FUELApr 13, 2007 · N417QX · Bombdr DHC8402SDR HALA0700100Thermocouple · malfunctionedBTB - ENG R SYS FAULT AFTER STARTING R ENG TURBINE BEARING O/H CHANNEL AND B FAULT. CURRENT FAULT "TURBINE BEARING OVERHEAT SENSOR A/B CHANNEL DISAGREE" 772204. REMOVE AND REPLACE TURBINE OVERHEAT DETECTION THERMOCOUPLE PER AMM77-23-01, OPS CK OK.Mar 12, 2007 · N478HA · Boeing 717200SDR SIMA200706801Engine · overtemp"SUP" ON CLIMB OUT OF 10,000 FT NR 1 INLET TURBINE TEMPERATURE WENT TO 920 DEGREES, RETARDED THRUST LEVER TEMPERATURE DROPPED TO 880 DEGREES. AIRCRAFT RETURNED TO ORD. REMOVED AND REPLACED NUMBER ONE ENGINE IAW AMERICAN EAGLE WORK CARD 72-000-00. OPERATIONAMar 8, 2007 · N682AE · Emb EMB145LRSDR MALA060625Indicator · malfunctionedITT ON RIGHT ENGINE IS INDICATING 100-130 LESS THAN LEFT ENGINE, LEFT ENGINE IS NORMAL ITT FOR CHARTED TORQUE. RIGHT ITT IS FLUCTUATING 10-40 ALL OTHER INDICATIONS NORMAL. COMPLETED GROUND RUN, COULD NOT DUPLICATED 100-130 SPLIT, COMPLETED GPA RUNS ON BOTH EDec 15, 2006 · N402XJ · Saab 340BSDR SIMA200633801Tube · crackedABORTED TAKEOFF, BOTH ENGINES FLUCTUATING EXCESSIVELY AT THRUST SETTING POSITION, ENGINE 2 ITT 110 DEGREE HIGHER THAN ENGINE 1 AT IDLE THRUST. FOUND ENGINE 2 BLEED MANIFOLD TUBE CRACKED. REMOVED AND REPLACED TUBE ASSEMBLY IAW ROLLS ROYCE MAINTENANCE MANUAL 7Dec 2, 2006 · N682AE · Emb EMB145LRSDR 06FDEA04128Indicator · unknownNR 1 EGT RED LINE W/STANDARD PWR SET ON TAKEOFF ROLL. PREMATURE REMOVAL/INSTALLATION, OFF MFG 10276N01T00 POS P1 SRL D1000CA TAG 02015A ON MFG 10276N01T00 SRL D983CA TAG 533139. REMOVED AND REPLACED NR 1 EGT INDICATOR, LUBED BLEED VALVES CLEANED PS4 FILTER Nov 28, 2006 · N206FE · Boeing 7272S2FSDR DL76S060738Engine · overtempLEFT ENGINE HIGH EGT DURING TAKEOFF ROLL. MAX 941C. ABORTED T/O AT LAS. PERFORMED ENGINE OVERTEMP INSPECTION PER FIM 71-05-00 FIG 112. ENG INLET AND EXH INSP, NO DAMAGE FOUND.Sep 12, 2006 · N132DN · Boeing 767332SDR HALA0600667Eec · malfunctionedETOPS SIGNIFICANT SYSTEM - RT ENG EEC MODE AMBER EICAS MSG CAME ON NEAR TOP OF CLIMB. SUCCESSFUL RESET FOLLOWING QRH PROCEDURE. T/S PER FIM 73-21-00, FOUND P5 LINE FAULT CHA/B ON PIMU. INSPECTED PHEUMATIC LINES P5 AND P2, NO DISCREPANCIES FOUND. CLEARED PISep 6, 2006 · N581HA · Boeing 767300SDR HALA0600665Indication Sys · erraticETOPS SIGNIFICANT SYSTEM - NR 2 EGT ERRATIC AND FLUCTUATING BETWEEN 750-350 ON CLIMBOUT FOR APPROX 2 MINS, THAN STABLE. ACCOMPLISHED FIM 77-21-00 FIG 103, NO FAULTS OR DAMAGE. CHECKED ENG WIRING PER WDM 77-21-11 AND SSM 77-00-01 SHOOK HARNESS, NO FLUCTUATIONSep 5, 2006 · N594HA · Boeing 767300SDR EIA2006223Sensor · malfunctionedDURING DESCENT INTO EDF, FL90, FLIGHT CREW REPORTED FEELING RUMBLE IN AIRFRAME. FLIGHT CREW NOTICE NR 4 ENGINE INDICATED N1 & N2 WERE LOWER THAN OTHER ENGINES. ENGINE WOULD NOT RESPOND TO THROTTLE MOVEMENT, ENGINE SHUTDOWN. PERFORMED EXTERNAL INSPECTION, ENAug 22, 2006 · N477EV · Boeing 747SR46SDR MALA060487Trimmer · malfunctionedRH ITT GAGE INDICATION FLUX BETWEEN 20-25 DEGREES BOTH DIGITAL AND ANALOG. AIR RETURN. REPLACED T4.5 TRIMMER. ALL CHECKS GOOD.Jul 26, 2006 · N425XJ · Saab 340BSDR NSVA200600101Periseal · fodON TAKE-OFF RT ITT REACHED 933 DEGREES, 96 PERCENT SET MANUALLY ON POWER NO CTOT. REPLACED FWD AND AFT PERI-SEALS IAW 36-11-40, INSPECTED FOR FOD, PERFORMED ITT CALIBRATION IAW 77-20-01 PERFORMED ENGINE RUNS, ALL ENGINE PARAMETERS WITHIN MFG LIMITS.Jul 9, 2006 · N118SD · Saab SF340ASDR CA060622004Switch · stuck(CAN) MAIN ROTOR TRANSMISSION OVER TEMP LIGHT CAME ON. PILOT LANDED AND LET THE AIRCRAFT COOL DOWN. LIGHT STAYED ON. TRANSMISSION WAS INSPECTED FOR SIGNS OF OVER TEMP, AND NO DEFECTS WERE FOUND. OVERTEMP SWITCH WAS FOUND TO BE STUCK IN THE CLOSED POSTION. Jun 22, 2006 · Robsin R44RAVENIISDR NSVA200600070Itt Trimmer · malfunctionedON TAKEOFF RT ENGINE ITT REACHED 950 DEGREES WITH CTOT AT 98 SET AND ARMED. R&R RT ENGINE TRIMMER, OPS CHECK GOOD.Jun 9, 2006 · N118SD · Saab SF340ASDR HALA0600396Sensor · malfunctionedBTB: NR 2 ENGINE PNEU TEMP WENT TO 195 AFTER ENGINE START. NO PRESSURE INDICATION. REPLACED NR 2 ENG PNEU TEMP SENSOR PER AMM 36-10-00. OPS CHKS OK.May 27, 2006 · N478HA · Boeing 717200SDR CA060606005Gauge · sticking(CAN) CHT WAS REPORTED TO BE STICKING. THE GAUGE WAS FOUND TO BE NOT INSTALLED PROPERLY, CAUSING THE NEEDLE TO RUB ON THE FACE. THE GAUGE WAS REINSTALLED, AND NO FURTHER FAULTS WERE FOUND. (TC NR 20060606005)May 12, 2006 · Robsin R44RAVENIISDR 06FDEA0702Indicator · malfunctionedDURING CLIMBOUT AFTER TAKEOFF NR 1 ENG EGT LIMIT WAS EXCEEDED. EGT POINTER PAST 1000 DEGREE MARK. ON FINAL EGT GAUGE WENT TO ZERO AND BLANK THEN CAME BACK UP TO ABOUT 400 DEGREES SIMILAR TO NR 2 ENG EGT INDICATOR. INSPECTED ENGINE EXHAUST AND INLET FOR FOD Feb 16, 2006 · N434FE · Airbus A310203SDR ALG2006F00014Gauge · malfunctionedNR 1 ENGINE, T5 GAUGE BEGAN CLIMBING WITH DIGITAL STEADY. SHUTDOWN NR 1 ENGINE AND T5 STAYED AT 700C. REPLACED NR1, T5 GAUGE WITH SERVICEABLE UNIT. (K)Jan 24, 2006 · N31211 · Skrsky S76ASDR 09212005EIndicator · malfunctionedLEFT ITT GAUGE READING DROPPED TO ZERO. SWAPPED GAUGES. WORKING AS ADVERTISED. PLACED GAUGES BACK IN RESPECTIVE SLOTS. OPS CHECK GOOD.Sep 20, 2005 · N239CJ · Saab 340BSDR SA05100Sensor · faultyPIT FLT 268 ON CLIMB OUT FROM PIT, AT FL160, CREW REPORTED THE NR 1 ENGINE AGENT ONE DISCHARGE LIGHT ILLUMINATED. FLIGHT ATTENDANT REPORTED FLAMES OUT THE REAR OF THE ENGINE WHILE A DEADHEAD PILOT REPORTED EXCESSIVE VIBRATION. CREW DECLARED AN EMERGENCY ANSep 14, 2005 · N725UW · Airbus A319112SDR MALA050638Indication Sys · fluctuatesCREW RETURNED TO MSP DUE TO ENGINE TEMPERATURE (ITT) FLUCTUATIONS. NO FURTHER INFORMATION AT THIS TIME.Aug 12, 2005 · N457XJ · Saab 340BSDR RAIA00508012Connector · unsecureFLT 5502 - DEN - LEFT ENGINE ITT WENT TO 948C. MAINTENANCE RESEATED CONNECTOR AT NR 1 TRIM PLUG PERFORMED ENGINE GRN PENALTY RUN ALL INDICATIONS OK.Aug 9, 2005 · N825HK · Emb EMB145LRSDR MASA200500540Warning Light · false indicationASH 2615 MSP. RT ENGINE OVERTEMP ON T/O ROLL. ENGINE FOUND TO BE OPERATING WITHIN LIMITS.Jul 10, 2005 · N27185 · Cndair CL6002B19SDR QXEA200501093Probe · inoperativeRETURNED TO GATE, NR 1 ITT INDICATION FLUCTUATES ERRATICALLY. OTHER INDICATIONS, INCLUDING FUEL FLOW ARE STABLE. MAINTENANCE REMOVED AND REPLACED ITT PROBE AT SEVEN O'CLOCK POSITION. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.Jul 5, 2005 · N369PH · Dhav DHC8202SDR 2005FA0001037Transmitter · failedTRANS-PRESS FAILED AFTER A FEW HOURS OF OPERATION. (K)Mar 23, 2005 · N209CH · Snias AS350BASDR AALA20050206Sensor · inoperativeMIA - INFLIGHT LEFT HAND ENGINE BEGAN HIGH FREQUENCY VIBRATION AND OVER TEMPERATURE AT 230 IN HEAVY PRECIPITATION. POWER WAS REDUCED TO IDLE AND DESCENT ACCOMPLISHED BUT OVER TEMPERATURE CONTINUED TO MAX ENGINE GENERATOR TEMPERATURE OF 900C. ENGINE WAS SHUTDMar 17, 2005 · N183AN · Boeing 757223SDR DHL2005742002Warning Light · illuminatedABORTED START OF ENGINE NR 2 AT KIAD. DUE TO ABNORMALLY RAPID EGT RISE. AFTER START LEVER PLACED IN START DETENT THERE WAS A SLIGHT DELAY IN EGT RISE. LIMITS WERE NOT EXCEEDED. SECOND ATTEMPT WAS NORMAL. PERFORMED ENGINE START ON NR 2 ENGINE PER ASTAR JRFeb 12, 2005 · N742DH · Boeing 727225SDR 68374Indicator · reads lowAFTER T/O AND APPROXIMATELY 10 MINUTES INTO FLIGHT. CREW NOTICED RIGHT HAND ITT INDICATOR DROPPED TO ZERO. TOOK INSTRUCTIONS RTF ABQ LANDED AND TAXIED TO GATE WITH NO FURTHER INCIDENT.Jan 11, 2005 · N127ZV · Beech 1900DSDR ALG2004F00055Circuit Board · corrodedRECURRING INCIDENT, MORE THAN FOUR SEPARATE INCIDENTS SPANNING LESS THAN A FIVE MONTH PERIOD AND ON DIFFERENT AC. CIRCUIT BOARD CORROSION CAUSED DECU T4.5 TRIM FAULTS UPON SHUT DOWN, CONFORMATION BOX WIRES CORROSION RESULTED IN DECU T4.5 TRIM FAULT UPON SHUTDOct 29, 2004 · N860AL · Skrsky S76CSDR MALA040621Gauge · erraticRT SIDE ITT INDICATOR FELL ABOUT 300 DEGREES APPROXIMATELY 20 MIN AFTER DEPARTURE SHOWING AT 530 VS 830. ALL OTHER ENGINE PARAMETERS WERE NORMAL BOTH ANALOG AND DIGITAL SHOWED THE DROP. AC RETURNED TO DEPARTURE, MAINTENANCE PERFORMED ITT CAL CHECK OF RT ENG Oct 19, 2004 · N445XJ · Saab 340BSDR KBM2004F00214Probe · malfunctionedPROBE INDICATES 130 DEGREES ALL THE TIME. INSTALLED NEW TSN 0.0 PROBE AND OPS CHECK GOOD.Aug 8, 2004 · N884SH · Snias AS350B2SDR DXTA200400338Indicator · failedON TAKEOFF ROLL THE LEFT ITT IND FAILED MESSAGE CAME ON, ABORTED TAKEOFF. VERIFIED INDICATOR FAILED. REMOVED FAILED INDICATOR AND REPLACED WITH AN INSPECTED INDICATOR. OPS CHECKED GOOD DURING LEFT/RIGHT ENGINE RUNS, ALL INDICATIONS NORMAL IAW THE CESSNA 560Jul 15, 2004 · N677QS · Cessna 560XLSDR ALG2004F00040Warning Light · illuminatedUPON HOVERING OUT EVERYTHING IN THE GREEN, TURNING DOWNWARD TO THE TAXI WAY LOOKING TO AVOID OBSTACLES GLANCING BACK AT INSTRUMENTS TOT RED LIGHT WAS ON, INDICATION WAS JUST ABOVE 810 DEGREES, BLEED AIR WAS ON. MAINTENANCE COMPLIED WITH A HOT END INSPECTION OJun 28, 2004 · N41GH · Bell 206L1SDR COMA0460240Warning Light · illuminatedFLIGHT 5390 RIGHT ENGINE ITT OVERTEMP DURING T/O. COULD NOT DUPLICATE. GROUND RUN SATISFACTORY. NO DEFECT FOUND.Apr 4, 2004 · N721CA · Cndair CL6002B19SDR 109641Indicator · malfunctionedDURING TAKEOFF ROLLOUT AT ABOUT 50 KTS THE PILOT NOTICED THE DIGITAL ITT INDICATION WAS 999 AND THE ANALOG INDICATION WAS NORMAL, PILOT RETARDED POWER LEVERS AND RETURNED TO GATE.Mar 23, 2004 · N157SD · Saab SF340ASDR HCM2004F00000Sensor · failedON MARCH 9, 2004 WHILE ON A SIGHT SEEING TRIP, THE PILOT NOTICED A HIGH ENGINE OIL TEMPERATURE INDICATION. HE MADE A PRECAUTIONARY LANDING. A MECHANIC WAS FLOWN TO THE SCENE AND REPLACED THE ENGINE OIL TEMPERATURE SENSOR. THE AIRCRAFT WAS FLOWN BACK TO BASEMar 9, 2004 · N995BH · Snias AS350B2SDR AMTA200400266Warning Light · false activationRT TURBINE OVHT DET 2 STATUS MESSAGE APPEARED AND THEN CLEARED. PERFORMED TURBINE OVERHEAT DET SYSTEM BITE. IAW FIM 26-13-00 FIG 103 SHEET 1 THRU 3. NO FAULTS NOTED. NO MESSAGES DISPLAYED. SYSTEM OPERATION OK.Mar 6, 2004 · N556TZ · Boeing 75733NSDR 118161Warning Light · illuminatedON 02-06-04, APPROX 16450 (UTC), FLT 4591 PIT-TOL. ON TAKEOFF ROLL, RT ENGINE OVERTEMP LIGHT ILLUMINATED. LP BLEEDS IN AUTO, HP BLEEDS OFF AND ANTI-ICE ON.Feb 6, 2004 · N43SZ · Saab SF340ASDR 189301Warning Light · illuminatedON 02-06-04, APPROX 1500 (UTC), FLT 4591 PIT-TOL. ON TAKEOFF ROLL, RT ENGINE OVERTEMP LIGHT ILLUMINATED. LP BLEEDS IN AUTO, HP BLEEDS OFF AND ANTI-ICE ON.Feb 6, 2004 · N140CQ · Saab SF340ASDR SWAA040245Indicator · faultyINFLIGHT SHUTDOWN/DECLARED EMERGENCY, DURING FLIGHT NR 1 ENGINE OIL TEMP GAUGE READ 180-190C. ENGINE WAS SHUT DOWN IAW QRH. REMOVED AND REPLACED TEMP GAUGE PER MM.Jan 24, 2004 · N645SW · Boeing 7373H4SDR 206571Panel · malfunctionedFLT NR 4645 FROM PIT TO SDF. ON TAKE-OFF, AIRCREW NOTICED CTOT DID NOT ARM. AIRCRAFT RETURNED TO GATE.Nov 22, 2003 · N40SZ · Saab SF340ASDR 037023Connector · disconnectedMX CHECK FLIGHT 9404 A/C PERFORMING MX CHECK FLIGHT DUE TO LEVEL C MX INSPECTION LAN-LAN. RIGHT AFTER TAKEOFF LT ENGINE OIL TEMP, ITT, AND NG ALL PEGGED OUT THE ENGINE OVERTEMP LIGHT ILLUMINATED. CREW SHUT DOWN THE ENGINE AND DECLARED AN EMERGENCY. A/C TAKENov 12, 2003 · N157SD · Saab SF340ASDR YENA200334Wire Harness · shortedTAKEOFF ABORTED DUE TO NR 1 ENG OVERHEAT ECAM, ABOUT 90 KT. PERFORMED TSM TASK 77-00-00-810-817. EIS(DMC1) REPORT SHOWED NR ENG 1 OVERTEMP. CHECKED REPORTS 4, 6, 10 ON AIDS. NO OVERTEMP NOTED. PERFORMED VISUAL INSP OF EGT JUNCTION BOX ON NR 1 ENG, NO DEFECNov 7, 2003 · N521JB · Airbus A320232SDR GLBA2003139Controller · failedBOTH ENG TEMP LIMITED, CALIBRATED LT TRIM STICK AND REMOVED AND REPLACED RT TRIM STICK.Oct 29, 2003 · N96UX · Beech 1900DSDR CA040315007Link · broken(CAN) DURING NORMAL CRUISE FLIGHT, THE PILOT NOTICED A SUDDEN SHARP RISE IN T4 (TOT) STILL WITHIN LIMITS. AFTER RETURNING TO BASE, ONE OF THE LINKS CONTROLLING THE FLOW FENCE WAS FOUND TO BE BROKEN.Sep 11, 2003 · Snias AS350DSDR DHL2003726012Engine · failedDURING T/O FROM ATL, ENGINE NR 2 EGT CLIMBED TO 620 C WITH EPR SET AT 1.95, N1 = 94 PERCENT, REDUCED THRUST TO 1.72 EPR, N1 = 89.5, EGT = 580 C, N2 = 92.8, FF = 6800, PERFORMED EGT OVER TEMPERATURE ABNORMAL PROCEDURE IAW 727 A.O.M. SHUTDOWN NR 2 ENGINE. ENGINESep 3, 2003 · N726DH · Boeing 727228SDR ALG2003F00091Indicator · malfunctionedIN CRUISE FLIGHT, EXCEDENCE ON MGT WITH CHECK INSTRUMENT LIGHT DURING CRUISE WITH INSTRUMENT INDICATOR IN THE GREEN (704 TO 714). THE MECHANIC CHECKED COMPUTER FOR EXCEDENCE, HAD NO EXCEDENCE OR FAULTS RECORDED, REPLACED INDICATOR MGT.Aug 23, 2003 · N537AL · Bell 407SDR WRLA200317Sensor · inoperativeON TAKEOFF RUN ABOVE 80 KNOTS THE ENGINE FAIL LIGHT CAME ON TAKEOFF REJECTED AT 95 KNOTS. TROUBLE SHOOT PER TAFI 71-00-00 TO BAD CIT SENSOR REMOVED AND REPLACED SENSOR PER MM 73-20-02. OPERATION CHECK GOOD DURING ENGINE GROUND RUN ON NR 1 ENGINE ALL PARAMETEAug 7, 2003 · N352WL · Doug DC1030
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