# Service difficulty reports: JASC 7720

A list on [JASC 7720](https://openairdocs.org/jasc/7720.md).

Reports filed under 7720 · Engine Temperature Indicating System, newest first.

Page 1 of 14 · 695 reports

- [SDR CALA2026070917637](https://openairdocs.org/sdr/CALA2026070917637.md): Thermocouple · faulted · Jul 7, 2026 · N23708 · Boeing 737724
  > ENGINE 1 EGT IN AMBER RANGE DURING CLIMBOUT AT THRUST REDUCTION & ACCELERATION ALTITUDE 1112 FT. DURING TAXI OUT FLUCTUATING ABOUT 20 SPORADICALLY AT LOW POWER SETTINGS. IAW FIM 77-21 TASK 803, BITE TEST FOUND MAINT FAULT 77-20861 FOR BOTTOM LT EGT SIGNAL (T49
- [SDR SWAA2026060808621](https://openairdocs.org/sdr/SWAA2026060808621.md): Sensor · out of range · Jun 2, 2026 · N7868K · Boeing 73779P
  > MAX T/O THRUST MTJ 97.1 N1 ON CLIMB NR 2 EGT INDICATED 966. REDUCED NR 2 THRUST BELOW REDLINE. INDICATIONS NORMAL AFTER - NO MASTER CAUTION LIGHTS. CW FIM 77-21 TASK 801 FOUND J9 HARNESS AND/OR PROBE OUT OF RANGE. REMOVED AND REPLACED PROBE T49.5 S4 SENSOR
- [SDR ABXA20260525226](https://openairdocs.org/sdr/ABXA20260525226.md): Thermocouple · defective · May 25, 2026 · N764CK · Boeing 7673P6
  > AFTER ENG STARTS AND TAXI OUT, NOTICED LEFT ENGINE EGT INOP. NOTE: EGT LEFT ENGINE 72C RH 369C. CREW RETURNED TO THE GATE (BTB). MTC REMOVED AND REPLACED THERMOCOUPLE JUNCTION BOX IAW 767 300 AMM 77-21-03 UP TO STEP 4 EGT INDICATING SYSTEM OPS TEST AND FOUND P
- [SDR N6WA2026051802](https://openairdocs.org/sdr/N6WA2026051802.md): Warning Message · illuminated · May 17, 2026 · N537GJ · Cndair CL6002C11
  > LEFT ENG ITT OUT OF LIMITS DURING CLIMB TAKE OFF POWER 5 TO 10 SEC. CONFIRMED WITH MXC THE LT ENG EXPERIENCED AN ITT OF 973 C PEAK TEMP FOR A TIME OF 27.4 SECS. THIS IS WITHIN LIMITS PER AMM 71-00-00.
- [SDR AALA202605043320](https://openairdocs.org/sdr/AALA202605043320.md): Engine · overtemp · May 2, 2026 · N328RR · Boeing 7378
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO NR 2 ENGINE OVERHEAT LIGHT ILLUMINATED ON CLIMB OUT. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA. (OPEN).
- [SDR N6WA2026041603](https://openairdocs.org/sdr/N6WA2026041603.md): Engine · indication · Apr 14, 2026 · N526GJ · Cndair CL6002C11
  > HIGH ITT ON LEFT ENG @ 89.9 N1. (PEAK TEMP 968 C). PERFORMED COMP WASH OF LEFT ENGINE IAW SP-44. REQUIRES POWER RUN TO COMPLETE. SEE LOG PAGE 635974 ITEM 2.
- [SDR N6WA2026041602](https://openairdocs.org/sdr/N6WA2026041602.md): Engine · indication · Apr 14, 2026 · N526GJ · Cndair CL6002C11
  > BETWEEN 80-90 KTS NOTICED LEFT ITT IND. 923 (2 TO 3 SEC) REJ TAKEOFF AND PROCEDED NORMALLY TO THE GATE. PERFORMED VISUAL INSPECTIONS AND PERFORMED LT ENGINE RUNS IAW AMM 71-00-00. OPS CHECK GOOD. NO DEFECTS NOTED. ITT WITHIN LIMITS IAW CRJ 550 FIM 72-00
- [SDR SWAA2026041688668](https://openairdocs.org/sdr/SWAA2026041688668.md): Engine · warning message · Apr 12, 2026 · N8794Q · Boeing 7378
  > ON CLIMB, RECEIVED A MASTER CAUTION WITH A LT ENG OVERHEAT MESSAGE PERFORMED QRH MESSAGE CLEARED AT 745 DEG EGT. RETURNED AT 845 DEG. NO FIRE INDICATION. REFER TO WO#121923043 FOR WORK ACCOMPLISHED.
- [SDR CALA2026031714625](https://openairdocs.org/sdr/CALA2026031714625.md): Thermocouple · faulted · Mar 13, 2026 · N77261 · Boeing 737824
  > EGT ON CLMB OUT IN YELOW SAW 928 W/ A/T ON. PULLED THROTTLE BAC K TO NORMAL.A/T ON GOES TO928R & R CJ 10 HARNESS REF AMM 73-21-06-400-803-F00 INSTALLATION. REQUIRES FADEC SYSTEM TEST. IDT TASK, INSPECTED INSTALLATION E2 CJ10 HARNESS ROUTING AND SECURITY REF G
- [SDR SWAA2026031679153](https://openairdocs.org/sdr/SWAA2026031679153.md): Tat Probe · failed · Mar 12, 2026 · N940WN · Boeing 7377H4
  > BOTH ENGINES ONLY ACHIEVED 94.6 PERCENT N1 WHEN 95.5 PERCENT WAS REQUIRED-THRUST LEVERS WERE IN FULL FORWARD POSITION. NO FAULTS ON ADIRUS OR DEUS. R & R TAT PROBE IAW AMM 34-21-06 AND PERFORMED POWER ASSURANCE TEST IAW AMM 71-00-00. OP CHKD GOOD. OK FOR
- [SDR QR9R2025121000001](https://openairdocs.org/sdr/QR9R2025121000001.md): Thermocouple · failed · Dec 10, 2025 · Bolkms BK117C2
  > ENGINE PARAMETER DISCONNECT ON TOT DURING START RUN-UP. A TESTFLIGHT EVAL REVEALED DURING ENG RUN-UP #1 FLI DEGRAD CAUTION FLICKERED FROM IDLE TO FLIGHT WITH BOTH TOTS AMBER. INFLIGHT ENG PA DIS CAUTION APPEARED AND #1 FLI DEGRAD FLICKERED. REMOVED AND REPLACE
- [SDR 2025FA0000752](https://openairdocs.org/sdr/2025FA0000752.md): Probe · faulted · Nov 10, 2025 · N340SF · Bolkms BK117C2
  > DURING START UP PILOT REPORTED POSSIBLE OVER TEMP OF ENGINE. AFTER FURTHER INSPECTION FOUND A BAD TEMP PROBE.
- [SDR QR9R2025102900001](https://openairdocs.org/sdr/QR9R2025102900001.md): Thermocouple · failed · Oct 29, 2025 · Bolkms BK117C2
  > FLI DEGR NR 2 TOT NOT DISPLAYING DURING HOVER TAXI. DURING AIRCRAFT RECOVERY ON APPROACH, FLI DEGRADE APPEARED WITH TOT TURNING YELLOW AND DROPPING FROM 650 C TO 125 C THEN COMPLETELY DISAPPEARING. RECYCLE OF THE BATTERY WOULD MAKE TOT REAPPEAR BUT THE MAX TOT
- [SDR SWAA2025093018896](https://openairdocs.org/sdr/SWAA2025093018896.md): Probe · failed · Sep 27, 2025 · N222WN · Boeing 7377H4
  > APPROXIMATELY 5 MINUTES AFTER TAKE OFF. WE OBSERVED #1 EGT GAGE SOLID AMBER. WITH APPROXIMATELY 915 INDICATED. WE REDUCED THRUST ON THAT ENGINE; AND INDICATIONS RETURNED TO NORMAL. EXCEEDANCE LASTED APPROX 10 SECONDS.<[01] T/S WITH FIM 71-06-804; EEC NO FAULTS
- [SDR QR9R2025091200001](https://openairdocs.org/sdr/QR9R2025091200001.md): Thermocouple · failed · Sep 12, 2025 · Bolkms BK117C2
  > TOT FOR ENGINE #2 MISSING WITH FLI DEGRADE IN LOWER MESSAGE ZONE. TOT INDICATION ALSO MISSING FROM ENG STATUS PAGE (VEMD LANE 2). REMOVED AND REPLACED #2 ENG THERMOCOUPLE BOX IAW SAFRAN 77-22-00-900-801-A01.
- [SDR CALA2025090908668](https://openairdocs.org/sdr/CALA2025090908668.md): Thermocouple · faulted · Sep 5, 2025 · N14237 · Boeing 737824
  > DURING CRUISE NR 1 ENGINE EGT EXCEDANCE AND CONTINUED TO SURGE UNTIL ENGINE NEAR IDLE/LOW. DURING CREW DEBRIEF, OTHER ENGINE PARAMETERS NORMAL, ONLY EGT INDICATION WAS ERRATIC. EEC BITE SHOWED FAULT MESSAGES 77-28861 S3 PROBE OUT OF RANGE & 77-20871 S4 PROBE
- [SDR CALA2025082708197](https://openairdocs.org/sdr/CALA2025082708197.md): Thermocouple · faulted · Aug 24, 2025 · N68453 · Boeing 737924ER
  > RIGHT ENGINE EXCEEDED EGT 964. R & R NR 2 ENG LEFT UPPER EGT PROBE (T49.5S4) IAW AMM 77-21-04-401. PROBE TESTS OK, R & R LT LOWER NR 3 EGT PROBE ON NR 2 ENG IAW AMM 77-21-04-401 PROBE OPS CHECKS GOOD. R & R T495S4 AND CLEANED ALL T495 SENSRS, J9, J10, CJ
- [SDR F3LA202508220286](https://openairdocs.org/sdr/F3LA202508220286.md): Egt Indication · illuminated · Aug 20, 2025 · N722FR · Airbus A321211
  > ENG 1 EGT OVERLIMIT SHUTDOWN ENG IN FLIGHT. PERFORMED AMM 72-00-00-200-008-A ENGINE DAMAGE WITHIN AREA C. PER AMM REQUIRES REPLACEMENT. 1 NON-REV FLIGHT ALLOWED DUE TO NO DAMAGE FOUND ABOVE SERVICABLE LIMITS.
- [SDR FDEA202508021355](https://openairdocs.org/sdr/FDEA202508021355.md): Thermocouple · failed · Aug 2, 2025 · N729FD · Airbus A300B4622R
  > AFTER TAKEOFF, HAD FLUXING VIBRATION ON CLIMB OUT. MONITORED INSTRUMENTS AND NOTHING WAS OUT OF LIMITS. UPON REACHING APPROXIMATELY 18000, NOTICED ATS LEVERS KICKED OFF. FOLLOWED ECAM AND RESET. INFORMED GOC AND MOCC INFLIGHT. NOTICED EGT ON NUMBER TWO
- [SDR QR9R2025072900001](https://openairdocs.org/sdr/QR9R2025072900001.md): Thermocouple · failed · Jul 29, 2025 · Bolkms BK117C2
  > ENG PA DISC AND #2 FLI DEGRADED CAUTIONS ILLUMINATED DURING FLIGHT. TROUBLESHOOTING REVEALED #2 ENGINE TOT INDICATION FLUCTUATES FROM 25 TO 50 DEG ON BATTERY POWER. REMOVED AND REPLACED #2 ENGINE TOT BOX IAW 77-22-00-900-801-A01. MTF MOC COMPLETED IAW RFM, NO
- [SDR SWAA2025061379494](https://openairdocs.org/sdr/SWAA2025061379494.md): Egt Indication · illuminated · Jun 7, 2025 · N8669B · Boeing 7378H4
  > AFTER ROTATION THE NUMBER 2 ENGINE EXCEEDED THE EGT LIMITATION. THE EGT WAS SOLID RED AND WE SAW 906 COMPLETED QRH ENGINE CONSISTENTLY RAN 50-60 HIGHER THAN NUMBER 1 ENGINE BUT WITHIN NORMAL PARAMETER<[01] C/W EA 25-171-01518;[02] ENTERING CORRECT SELECT REFER
- [SDR YENA2025051400491](https://openairdocs.org/sdr/YENA2025051400491.md): Sensor · failed · May 14, 2025 · N2151J · Airbus A321271NX
  > FLT#73, JFK-EDI. (ETOPS) ' NAC TEMP FLASHING AT 365 DEG SHUT ENG 1 DOWN PIC CALLED MCC NO RESET AFTER SECOND ENG START ADVISORY MG NAC TEMP 365 AND INCREASING ( ECAM INDICATIONS (LOWER DISPLAY) 1) NACELLE TEMPERATURE); REMOVED AND REPLACED ENG #1 CORE TEMP SE
- [SDR QR9R2025051200002](https://openairdocs.org/sdr/QR9R2025051200002.md): Thermocouple · out of tolerance · May 12, 2025 · Bolkms BK117C2
  > WHILE TAKING OFF TO A HOVER ENG PA DISP CAUTION MESSAGE APPEARED ON 1 & 2. TOT INDICATIONS TURNED YELLOW AND ENG #1 INDICATED -580 TOT AND ENG #2 TOT INDICATION DROPPED TO 0 AND THEN CLIMBED BACK TO -225. NO OTHER INDICATIONS WERE NOTED AND NO POWER LOSS WAS N
- [SDR AALA202504140323](https://openairdocs.org/sdr/AALA202504140323.md): Warning Message · false indication · Apr 12, 2025 · N960AN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: NUMBER 1 ENGINE EGT OVER TEMP ON TAKEOFF, EGT REACHED 962 DEGREES C FOR 20 SECONDS. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT LAS. INSPECTED NUMBER 1 ENGINE INLET AND EXHAUST. NO DEFECTS FOUN
- [SDR AALA202504071775](https://openairdocs.org/sdr/AALA202504071775.md): Duct · blown · Mar 24, 2025 · N650AW · Airbus A320232
  > AIRCRAFT WAS GROUNDED: AFTER TAKEOFF NAC TEMP FLASHING ON RIGHT ENG. TEMP UP TO 380.EGT RIGHT ENGINE 630. NAC TEMP REMAINS FLASHING AT 320 IN SLOWCRUISE. RT ENG MADE SURGING SOUND AT THRUST SET AT TAKEOFF. NO ASYMMETRIC THRUST FELT. AIRCRAFT DIVERTED TO TU
- [SDR QR9R2025031700004](https://openairdocs.org/sdr/QR9R2025031700004.md): Thermocouple · out of tolerance · Mar 17, 2025 · Bolkms BK117C2
  > DURING HOVERING FLIGHT, ENG PA DIS (TOT) ENG #1 READING 540 C, ENG #2 READING 220 C. DURING TROUBLESHOOTING FOR #2 ENGINE TOT INDICATION LOW, FOUND #2 ENG BOTTOM OUTBOARD THERMOCOUPLE BAD. READS OUT TOLERANCE ON RESISTANCE CHECKS IAW ENGINE MANUAL 77-22-00-210
- [SDR QR9R2025031100005](https://openairdocs.org/sdr/QR9R2025031100005.md): Thermocouple · failed · Mar 11, 2025 · Bolkms BK117C2
  > FLI DEGRADED ON THE NUMBER ONE ENGINE FOR TOT AFTER START UP. TROUBLESHOOTING REVEALED #1 ENGINE THERMOCOUPLE BOX FAILED CONTINUITY CHECK OF THE EQUIPPED BOARD; RED MODULES EXCEEDS THE ALLOWABLE LIMITS. REPLACED THERMOCOUPLE BOX IAW SAFRAN 77-22-00-900-802-A01
- [SDR DXTA2025031702572](https://openairdocs.org/sdr/DXTA2025031702572.md): Shutoff Valve · malfunctioned · Mar 3, 2025 · N376QS · Cessna 680SOV
  > LEFT ENGINE ITT EXCEEDANCE. WHILE IN CLIMB ABOUT 38,000 FEET WITH THRUST SET AT MCT, THE LEFT ENGINE ITT WENT INTO THE YELLOW BAND. AFTER 20 SECONDS THE YELLOW BAND TURNED RED AND THEN WE PULLED THE POWER BACK TO REDUCE THE ITT. HIGHEST ITT OBSERVED WAS 930, A
- [SDR DXTA2025030702572](https://openairdocs.org/sdr/DXTA2025030702572.md): Engine · overtemp · Mar 3, 2025 · N376QS · Cessna 680SOV
  > LEFT ENGINE ITT EXCEEDANCE. WHILE IN CLIMB ABOUT 38,000 FEET WITH THRUST SET AT MCT, THE LEFT ENGINE ITT WENT INTO THE YELLOW BAND. AFTER 20 SECONDS THE YELLOW BAND TURNED RED AND THEN WE PULLED THE POWER BACK TO REDUCE THE ITT. HIGHEST ITT OBSERVED WAS 930, A
- [SDR AALA202502111588](https://openairdocs.org/sdr/AALA202502111588.md): Thermocouple · inoperative · Feb 10, 2025 · N118NN · Airbus A321231
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO SEA DUE TO THE FLIGHT CREW REPORTING THAT THE #1 ENGINE EGT GUAGE SHOWS AMBER XX INFLIGHT. THE AIRCRAFT LANDED SAFELY AT SEA AND TAXIED TO THE GATE UNDER ITS OWN POWER. MAINTENANCE F
- [SDR YQSA20250205001](https://openairdocs.org/sdr/YQSA20250205001.md): Warning Message · activated · Feb 4, 2025 · N590SH · Beech C90
  > CRUISING AT FL230 WHEN ITT ON RIGHT SPIKED TO 900-1000 DEGREES C. TORQUE FELL SHORTLY AFTER DROPPING TO "0". RPM WAS 200RPM FROM PROP WINDMILLING. IDENTIFIED RIGHT ENGINE AS FAILED AND SECURED ENGINE PER THE MEMORY ITEMS FROM THE CHECKLIST. ANNOUNCED EMERGENC
- [SDR HALA20250121026](https://openairdocs.org/sdr/HALA20250121026.md): Thermocouple · broken · Jan 19, 2025 · N393HA · Airbus A330243
  > ETOPS - #ENG 1 HP/IP TURBINE VENT OVERHEAT CHANNEL A THERMOCOUPLE BROKEN. REPLACED THERMOCOUPLE AS HP/IP BEARING COMPARTMENT VENT TUBE BORESCOPE AND CLEANING PER TC A2010-0709-PART 01 OPS/LK CHK GOOD OK FOR SVC.
- [SDR KC8A20241211005](https://openairdocs.org/sdr/KC8A20241211005.md): Sensor · faulted · Dec 11, 2024 · N298CK · Lear 35A
  > RIGHT ENGINE ROLLED BACK AND SHUT DOWN ON DESCENT. REPLACED RH ENGINE INLET PRESSURE AND TEMPERATURE SENSOR WITH A SERVICEABLE INSPECTED/TESTED SENSOR. COMPLIED WITH GROUND RUN AND ADJUSTMENT PROCEDURES. NO DEFECTS NOTED. ALL WORK WAS ACCOMPLISHED IN ACCORDANC
- [SDR CVGA20241114001](https://openairdocs.org/sdr/CVGA20241114001.md): Engine · overtemp · Nov 11, 2024 · N849UP · Beech B300
  > #1 ENG ITT CLIMBED QUICKLY TO OVER 1000 DEGREES AND FLUCTUATED BETWEEN 1000 AND 1100 DEGREES FOR OVER ONE MINUTE. EMERGENCY DECLARED.
- [SDR YENA2024111101443](https://openairdocs.org/sdr/YENA2024111101443.md): Engine · abnormal · Nov 7, 2024 · N595JB · Airbus A321271N
  > FLT#2224, MCO- DCA- (AIRCRAFT DIVERTED TO RDU).' MULTIPLE ENG 1 ENG FAULTS IN FLIGHT/ ENG 1 MODE FAULT AUTO THRUST OFF ENG 1 REVERSER FAUT / ENG 1 EGT OVR TEMP SHORT FINAL.' (SUPPLEMENTAL INFORMATION TO FOLLOW)
- [SDR DALA2024110810767](https://openairdocs.org/sdr/DALA2024110810767.md): Shaft · damaged · Nov 7, 2024 · N375DN · Airbus A321211
  > SHIP 3075-ATB- RETURNING TO BOS DUE TO NBR 2 ENGINE EGT OVERTEMP. CORRECTIVE ACTION: EGT REACHED 985. REPLACED VBV FLEXIBLE SHAFT, FERRIED TO MSP AND REPLACED NBR 2 ENGINE. (LP 6094804)
- [SDR CALA2024102400914](https://openairdocs.org/sdr/CALA2024102400914.md): Thermocouple · faulty · Oct 22, 2024 · N76064 · Boeing 767424ER
  > AT ABOUT 105KTS LEFT ENG EGT GAUGE COMPLETELY BLANKED OUT...RTO ENG NORMAL ON TAXI IN UPDATED MAA CODE FIX USING VENDOR MAA SCREEN CONTACT TOMC UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. CONTACT TOMC LOCAL MAIN
- [SDR CALA2024101700850](https://openairdocs.org/sdr/CALA2024101700850.md): Thermocouple · faulted · Oct 14, 2024 · N37419 · Boeing 737924ER
  > ENG 1 EXCEEDANCE AT APPROX 800 AGL. RETURNED TO LIMITS IMMEDIAT ELY. LOADED PICTURES 1 IN FLIGHGT AND 1 POST FLIGHT CURRENT EXCEEDANCE AND T49.5 READINGS. REF FIM 71-06 TASK 805 AND FIM TASK 71-00-00-800-804-F00, FOUND RECENT FAULT DURING EEC BITE CHECK FOR
- [SDR DXTA2024092300587](https://openairdocs.org/sdr/DXTA2024092300587.md): Engine · warning message · Sep 18, 2024 · N784QS · Bombdr BD1001A10
  > IN CLIMB DETENT IN A CLIMB APPROX 27000 FEET R ENGINE EXCEEDANCE CAS ILLUMINATED. WE DID NOT NOTICE A RED ENGINE INSTRUMENT BEFORE WE REDUCED POWER. CONTINUED CLIMB AT A REDUCED POWER SETTING, AND WHILE FNISHING CHECKLIST, N2 GRADUALLY CLIMBED TO 98.1 AND R EN
- [SDR I5PA2024072488806](https://openairdocs.org/sdr/I5PA2024072488806.md): Thermocouple · faulty · Jul 24, 2024 · N888LT · Boeing 757230
  > FLT: N/A. ESI - RH ENG HOT SECTION INSP. REQUIRED DISCREPANCIES: RH ENG EGT EXCEEDANCE, HOT SECTION INSPECTION REQUIRED. CORRECTIVE ACTION: PERFORMED RH ENG HOT SECTION INSP. PER AMM 72-00-00-206-530-P00. NO DEFECTS NOTED. PERFORMED RESISTANCE CHECK ON 6 EA T
- [SDR I5PA2024072488805](https://openairdocs.org/sdr/I5PA2024072488805.md): Thermocouple · faulty · Jul 24, 2024 · N888LT · Boeing 757230
  > FLT: N/A. ESI - RH ENG HOT SECTION INSP. REQUIRED. DISCREPANCIES: RH ENG EGT EXCEEDANCE, HOT SECTION INSPECTION REQUIRED. CORRECTIVE ACTION: PERFORMED RH ENG HOT SECTION INSP. PER AMM 72-00-00-206-530-P00. NO DEFECTS NOTED. PERFORMED RESISTANCE CHECK ON 6 EA
- [SDR SWAA2024072315410](https://openairdocs.org/sdr/SWAA2024072315410.md): Engine · deteriorated · Jul 22, 2024 · N8640D · Boeing 7378H4
  > ON CLIMB OUT EGT EXCEED 925' ON #2 ENGINE (ENGINE EXCEEDENCES PAGE SHOWS PEAK 957'; RED 950' FOR 7.8S)<[01] PERFORMED GVI OF #2 ENGINE INLET AND EXHAUST; INSPECTED EGT PROBS CONNECTORS AND NO DEFFECTS FOUND. PER POWERPLANT ENGINEERING TSR TRACKING #2024005074
- [SDR CALA2024062601895](https://openairdocs.org/sdr/CALA2024062601895.md): Solenoid Valve · faulted · Jun 20, 2024 · N490UA · Airbus A320232
  > #2 ENGINE EGT EXCEEDANCE ON TAKE OFF. #2 ENGINE EGT EXCEEDANCE ON TAKE OFF, 77-00-00-810-818-B. REPORTING MAX OF 651 FOR 29 SECONDS. WILL CONFIRM REPORT ON A/C. ALSO FAULTING CHA 2.5 BLD ACT/ HC/EEC2. REF TSM 77-00-00-810-818-B PARA 4.F.(6) & AMM REMOVED BO
- [SDR DXTA2024040511404](https://openairdocs.org/sdr/DXTA2024040511404.md): Engine · damaged · Apr 4, 2024 · N609QS · Cessna 560XL
  > JUST AFTER TAKEOFF AROUND 200 FEET AGL WE NOTICED A BURNING SMELL AND FOUND THAT THE ITT ON THE RIGHT ENGINE WAS UP NEAR 800 DEGREES. WHEN WE REDUCED POWER TO LEVEL OFF AND RETURN TO THE AIRPORT THE TEMPERATURE REDUCED INTO THE NORMAL RANGE AND THE SMELL SEEME
- [SDR 2024F00080](https://openairdocs.org/sdr/2024F00080.md): Egt Indication · activated · Mar 15, 2024 · N746KA · Swrngn SA227AC
  > LH SRL COMPUTER INDICATES SPIKES, OPEN FUEL BY PASS.
- [SDR CALA2024030500638](https://openairdocs.org/sdr/CALA2024030500638.md): Thermocouple · intermittent · Mar 2, 2024 · N73270 · Boeing 737824
  > RIGHT EGT INDICATION 931 ON CLIMB APROX 15000. RAPIDLY DECREASED TO 890 RAPIDLY DECREASED TO PER DFD 142 REPORT - DURING CLIMB, E2 ESN 874762 HAD AN EGT EXCE EDANCE FOR 143 SECS OVER 895 DEG C WITH A PEAK OF 930 DEG C. PER AMM TASK 71-00-00-800-804-F00, FIGURE
- [SDR ASAA2023110846082](https://openairdocs.org/sdr/ASAA2023110846082.md): Unknown · unknown · Nov 8, 2023 · N593AS · Boeing 737890
  > REF TC78273000 #1 ENG DISPLAYS ECONOMIC FAULT 77-20871 THE TOP LEFT EGT SIGNAL T495S4 IS OUT OF RANGE. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023110546004](https://openairdocs.org/sdr/ASAA2023110546004.md): Unknown · unknown · Nov 5, 2023 · N472AS · Boeing 737990ER
  > WHILE ACCOMP TC 78273000 N'1 ENG ECONOMIC FAULT 77-20871 "TOP LEFT EGT SIGNAL OUT OF RANGE ". GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023110546002](https://openairdocs.org/sdr/ASAA2023110546002.md): Unknown · unknown · Nov 5, 2023 · N589AS · Boeing 737890
  > PERFORMED T/C 78273000 INTERROGATE THE FMC CDU FOR ENGINE FAULTS ENG#2 EEC BITE TEST FOUND ENG @2 ECONOMIC FAULT MESSAGE 77-20872 THE TOP LEFT EGT SIGNAL (T495S4) IS OUT OF RANGE. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023110446000](https://openairdocs.org/sdr/ASAA2023110446000.md): Unknown · unknown · Nov 4, 2023 · N419AS · Boeing 737990ER
  > FOUND FC 77-20862 ON #2 ENG BOTTOM LEFT EGT SIGNAL OUT OF RANGE. DURING FMC CDU INTERROGATION. (ECONOMIC FAULT). GROUNDED - YES. ON DEFERRAL.

Next page: https://openairdocs.org/jasc/7720/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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
```

This list as a web page: https://openairdocs.org/jasc/7720/reports

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