# Service difficulty reports: JASC 7721

A list on [JASC 7721](https://openairdocs.org/jasc/7721.md).

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

Page 1 of 2 · 62 reports

- [SDR SWAA2024080823958](https://openairdocs.org/sdr/SWAA2024080823958.md): Probe · failed · Aug 5, 2024 · N235WN · Boeing 7377H4
  > RED 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
- [SDR 2023FA0000564](https://openairdocs.org/sdr/2023FA0000564.md): Cylinder Head · cracked · Sep 21, 2023 · N748CM · Cirrus SR22T
  > CRACKED #5 CYLINDER HEAD
- [SDR CALA2023072602333](https://openairdocs.org/sdr/CALA2023072602333.md): Thermocouple · out of range · Jul 22, 2023 · N47414 · Boeing 737900ER
  > R 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 US
- [SDR 2023F00148](https://openairdocs.org/sdr/2023F00148.md): Probe · defective · Feb 23, 2023 · Boeing 7378
  > DURANTE CARRETERO NO ARRANCO MOTOR 2, SE REEMPLAZA PROBETA T49-5, DE ACUERDO A EL AMM 77-21-01
- [SDR SWIA20230205](https://openairdocs.org/sdr/SWIA20230205.md): Not Reported · failed · Feb 5, 2023 · N610CZ · Emb ERJ170200LR
  > BEFORE 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 AT
- [SDR CALA2023010900064](https://openairdocs.org/sdr/CALA2023010900064.md): Hmu · inoperative · Jan 9, 2023 · N78509 · Boeing 737824
  > LEFT 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. P
- [SDR OZCA340084221207](https://openairdocs.org/sdr/OZCA340084221207.md): Periseal · unserviceable · Dec 7, 2022 · N671BC · Saab SF340A
  > #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.
- [SDR SWIA202266912](https://openairdocs.org/sdr/SWIA202266912.md): Blades · damaged · Nov 27, 2022 · N881AS · Cndair CL6002B19
  > NR 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 UNRECOV
- [SDR HALA2022112800300](https://openairdocs.org/sdr/HALA2022112800300.md): Fastener · loose · Nov 25, 2022 · N392HA · Airbus A330243
  > ETOPS- 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. OK
- [SDR CALA2022112103193](https://openairdocs.org/sdr/CALA2022112103193.md): Harness · failed · Nov 21, 2022 · N831UA · Airbus A319131
  > ENG 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 COMME
- [SDR GTIA2022101336720](https://openairdocs.org/sdr/GTIA2022101336720.md): None · none · Oct 11, 2022 · N637NK · Airbus A320232
  > "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
- [SDR SWIA202266598](https://openairdocs.org/sdr/SWIA202266598.md): None · shutdown · Oct 9, 2022 · N693BR · Cndair CL6002B19
  > IN 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 AN
- [SDR YENA2022092300950](https://openairdocs.org/sdr/YENA2022092300950.md): Solenoid Valve · failed · Sep 20, 2022 · N971JT · Airbus A321231
  > FLT#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 VAL
- [SDR NACA2022080200003](https://openairdocs.org/sdr/NACA2022080200003.md): Harness · shorted · Aug 2, 2022 · N379CX · Boeing 767323
  > WHILE 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 INFO
- [SDR GTIA2022080136560](https://openairdocs.org/sdr/GTIA2022080136560.md): Engine · none · Jul 31, 2022 · N672NK · Airbus A321231
  > SHORT 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.
- [SDR CALA2022070801675](https://openairdocs.org/sdr/CALA2022070801675.md): Egt Indication · warning message · Jul 8, 2022 · N649UA · Boeing 767322
  > RT 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 T
- [SDR NACA2022070600004](https://openairdocs.org/sdr/NACA2022070600004.md): None · none · Jul 6, 2022 · N379CX · Boeing 767323
  > DURING 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.
- [SDR YENA2022041800379](https://openairdocs.org/sdr/YENA2022041800379.md): Egt Indication · false indication · Apr 17, 2022 · N712JB · Airbus A320232
  > FLT#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 ME
- [SDR HALA2022030400068](https://openairdocs.org/sdr/HALA2022030400068.md): None · none · Mar 3, 2022 · N390HA · Airbus A330243
  > AFTER 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 ALUME
- [SDR GTIA2022013136250](https://openairdocs.org/sdr/GTIA2022013136250.md): None · none · Jan 30, 2022 · N640NK · Airbus A300*
  > REJECTED 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.
- [SDR ABXA202212414](https://openairdocs.org/sdr/ABXA202212414.md): Cable · broken · Jan 24, 2022 · N767AX · Boeing 767281
  > DURING 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 BR
- [SDR YENA2021112200772](https://openairdocs.org/sdr/YENA2021112200772.md): Egt Indication · damaged · Nov 21, 2021 · N958JB · Airbus A321231
  > FLT 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 FAD
- [SDR YV3R2020052900268](https://openairdocs.org/sdr/YV3R2020052900268.md): Probe · inoperative · Apr 29, 2020 · Robsin R44RAVENII
  > CUSTOMER REPORTED CYLINDER HEAD TEMPERATURE PROBE P/N: 3080-38 WAS INOPERATIVE.
- [SDR UIEA2019102865791](https://openairdocs.org/sdr/UIEA2019102865791.md): Igniter · failed · Oct 26, 2019 · N1487A · Boeing 76731K
  > OVERTEMP 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,
- [SDR EPUA201908087001](https://openairdocs.org/sdr/EPUA201908087001.md): Probe · false indication · Aug 7, 2019 · N4301C · Piper PA31350
  > LEFT ENGINE CHT RED LINE IN CRUISE FLIGHT. REMOVED AND REPLACED LH ENGINE CHT PROBE IAW PA31 MM 77-20-03. OPS CHECK GOOD.
- [SDR YV3R201906200120](https://openairdocs.org/sdr/YV3R201906200120.md): Probe · erratic · Jun 10, 2019 · N898GB · Robsin R44RAVENII
  > CUSTOMER REPORTED CYLINDER HEAD TEMPERATURE (CHT) INDICATION IS ERRATIC ABOVE IDLE SPEED.
- [SDR YV3R2019012200104](https://openairdocs.org/sdr/YV3R2019012200104.md): Probe · inoperative · May 30, 2019 · N144BB · Robsin R44RAVENII
  > CUSTOMER REPORTED CYLINDER HEAD TEMPERATURE PROBE P/N: 3080-38 IS INOPERATIVE.
- [SDR YV3R2019012200102](https://openairdocs.org/sdr/YV3R2019012200102.md): Probe · inoperative · May 30, 2019 · Robsin R44RAVENII
  > CUSTOMER REPORTED CYLINDER HEAD TEMPERATURE PROBE P/N: 3080-38 DOS NOT READ (INDICATE).
- [SDR YV3R2019012200101](https://openairdocs.org/sdr/YV3R2019012200101.md): Probe · inoperative · May 30, 2019 · N144BB · Robsin R44RAVENII
  > CUSTOMER REPORTED CYLINDER AHEAD TEMPERATURE PROBE P/N: 3080-38 IS INOPERATIVE.
- [SDR UIEA2016062700476](https://openairdocs.org/sdr/UIEA2016062700476.md): Cable · loose · Jun 27, 2016 · N648GT · Boeing 76733AER
  > NR 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.
- [SDR BSYA2012019](https://openairdocs.org/sdr/BSYA2012019.md): Probe · defective · May 14, 2012 · N140S · Beech 58
  > AFTER 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.
- [SDR BSYA2012017](https://openairdocs.org/sdr/BSYA2012017.md): Probe · defective · Mar 27, 2012 · N400RP · Beech 58
  > SHORTLY 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.
- [SDR 2011F00190](https://openairdocs.org/sdr/2011F00190.md): Probe · malfunctioned · Aug 23, 2011 · N46FA · Piper PA31350
  > CHT GAUGE IN COCKPIT PEGGED HIGH. ALL OTHER INDICATIONS NORMAL. ACFT RETURNED TO BASE. CHT PROBE FOUND TO HAVE AN OPEN CIRCUIT.
- [SDR BSYA2011028](https://openairdocs.org/sdr/BSYA2011028.md): Probe · failed · Aug 3, 2011 · N106TG · Piper PA31350
  > AFTER DEPARTING LCK TO GO TO FWA THE LEFT CHT INDICATION QUIT, THEN RETURNED TO LCK. MAINTENANCE REMOVED AND REPLACED CHT PROBE OPS CHECKED GOOD.
- [SDR CA110303001](https://openairdocs.org/sdr/CA110303001.md): Sensor · failed · Feb 28, 2011 · Boeing 767375
  > (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 73-21-02
- [SDR BSYA2009036](https://openairdocs.org/sdr/BSYA2009036.md): Probe · failed · Jun 18, 2009 · N1859K · Beech 58
  > AFTER TAKEOFF OUT OF DPA, THE LEFT CHT PEGGED OUT. RETURNED TO DPA. REMOVED AND REPLACED CHT PROBE, OPS CHECKS GOOD.
- [SDR CA081029002](https://openairdocs.org/sdr/CA081029002.md): Probe · malfunctioned · Oct 27, 2008 · Piper PA31
  > (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.
- [SDR BSY2008F00013](https://openairdocs.org/sdr/BSY2008F00013.md): Probe · malfunctioned · Sep 26, 2008 · N62500 · Beech 58
  > LT CYLINDER HEAD TEMP, WENT ABOVE RED LINE ON TAKEOFF, PILOT THEN RETURNED TO DEPARTURE. REMOVED AND REPLACE CHT PROBE. (K)
- [SDR 3611](https://openairdocs.org/sdr/3611.md): Probe · inoperative · May 11, 2008 · N820CN · Cirrus SR22
  > AIRCRAFT 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 REPLAC
- [SDR BSYA200700016](https://openairdocs.org/sdr/BSYA200700016.md): Probe · defective · Dec 18, 2007 · N3695V · Beech 58
  > EN 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.
- [SDR 2350](https://openairdocs.org/sdr/2350.md): Probe · shorted · May 31, 2007 · N851CD · Cirrus SR22
  > DURING 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 THE
- [SDR HEEA088645](https://openairdocs.org/sdr/HEEA088645.md): Indicator · damaged · Jul 27, 2003 · N854PH · Aerosp AS355*
  > LT MOUNTING NUTS INSIDE INDICATOR SPIN WITH SCREWS. TO BE SENT TO VENDOR.
- [SDR HEEA077455](https://openairdocs.org/sdr/HEEA077455.md): Indicator · stuck · Dec 3, 2001 · N856PH · Snias AS350B
  > T4 INDICATOR NEEDLE STICKS INTERMITTENTLY AT 700 DURING START.
- [SDR HEEA077451](https://openairdocs.org/sdr/HEEA077451.md): Indicator · damaged · Dec 3, 2001 · N856PH · Snias AS350B
  > T4 INDICATOR WAS RECEIVED WITH RATTLE NOISE INSIDE. DID NOT INSTALL ON AIRCRAFT. WAS ISSUED AND RETIRED UNSERVICEABLE. SOUNDS LIKE LOOSE SCREW INSIDE.
- [SDR HEEA076629](https://openairdocs.org/sdr/HEEA076629.md): Indicator · worn · Oct 4, 2001 · N856PH · Snias AS350B
  > ERRATIC INDICATIONS. SENT TO AMERICAN EUROCOPTER CORP. FOR CREDIT AGAINST REPLACEMENT PART PURCHASED. REFERENCE: RMA# R032847.
- [SDR B2O2002F00010](https://openairdocs.org/sdr/B2O2002F00010.md): Thermocouple · inoperative · Aug 30, 2001 · N44911 · Doug C54BDC
  > CHT THERMOCOUPLE INOPERATIVE. CHANGED CHT THERMOCOUPLE.
- [SDR CA010522019](https://openairdocs.org/sdr/CA010522019.md): Cylinder · separated · May 8, 2001 · Cessna 172
  > (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 DESTR
- [SDR CA010323006](https://openairdocs.org/sdr/CA010323006.md): Exhaust Valve · broken · Mar 7, 2001 · Piper PA31350
  > (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 FO
- [SDR CA010403012](https://openairdocs.org/sdr/CA010403012.md): Cylinder · cracked · Mar 5, 2001 · Dhav DHC3
  > (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.
- [SDR CA010313017](https://openairdocs.org/sdr/CA010313017.md): Spark Plug · damaged · Feb 15, 2001 · Beech 76
  > (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

Next page: https://openairdocs.org/jasc/7721/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 = '7721'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/7721/reports

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