# Service difficulty reports: JASC 7740

A list on [JASC 7740](https://openairdocs.org/jasc/7740.md).

Reports filed under 7740 · Engine Integrated Instrument System, newest first.

Page 1 of 2 · 53 reports

- [SDR ABXA20251106289](https://openairdocs.org/sdr/ABXA20251106289.md): Sensor · defective · Nov 6, 2025 · N364CM · Boeing 767338
  > DURING TAXI, RIGHT ENGINE N1 STARTED ON 2 STARTS AND NO N1 INDICATION ON SEI SHOWS 0. AIRCRAFT RETURNED TO BLOCKS (BTB). REMOVED AND REPLACED N1 SPEED SENSOR IAW B767 AMM 77-12-01. OPS CHECK GOOD. A/C REMAINS ETOPS 180. STANDBY INDICATOR REINSTALLED IAW B
- [SDR G1IA202503064087](https://openairdocs.org/sdr/G1IA202503064087.md): Display · frozen · Feb 24, 2025 · N378HH · Pilats PC12
  > EIS GAUGES: TRQ, ITT, NG, FUEL QTY AND FL/H USED ALL FROZE. THIS PROBLEM WAS INTERMITTENT AT FIRST, THEN THE LAST 15 MINUTES, THE GAUGES FROZE.
- [SDR SIMA20220727001](https://openairdocs.org/sdr/SIMA20220727001.md): Engine Vane Cont · vibration · Jul 27, 2022 · N258NN · Emb ERJ170200LR
  > ENGINE 2 HIGH LP VIB CLIMBING THROUGH 11,OOO; HIGH VIBRATIONS DID NOT GO AWAY CLIMBING THROUGH FL; 200. QRH PROCEDURE ACOMPLISHED/EMERGENCY DECLARED/ OVERWEIGHT LANDING. -C/A-A FULL WORKSCOPE WAS PERFORMED TO TROUBLESHOOT VIBRATIONS ON RH ENGINE 902446, FAN BL
- [SDR SIMA20220310001](https://openairdocs.org/sdr/SIMA20220310001.md): None · none · Mar 10, 2022 · N244NN · Emb ERJ170200LR
  > SUPPLEMENTAL CA FOR UNABLE TO KEEP E2 VIBRATION IN GREEN. DECLARED EMERGENCY---E2---HAD TO ADJUST THROTTLE TO KEEP VIBE IN GREEN.CONTINUED TO MIA - ON CLIMBOUT #2 ENG LP INDICATED 4.0. FOLLOWED PROCEDURE AND WHEN POWER WAS REDUCED INDICATION REDUCED TO 3.5. IN
- [SDR 2021F00355](https://openairdocs.org/sdr/2021F00355.md): Transmitter · unserviceable · Nov 26, 2021 · N531EG · Cndair CL6002C10
  > IN FLIGHT AT APPROX 8000FT, WE NOTICED RH OIL PRESS INDICATION OF ZERO, RAN QRC/QRH FOR NON MSG LOW OIL PRESSURE. OIL PRESSURE REMAINED AT ZERO, OIL TEMP INCREASING QRH DROVE US TO TO SHUT DOWN RH ENGINE; DID NOT RECEIVED THE RH ENG OIL PRESSURE WARNING MSG, O
- [SDR UIEA2020092202047](https://openairdocs.org/sdr/UIEA2020092202047.md): Indicator · malfunctioned · Sep 18, 2020 · N1229A · Boeing 767306
  > STANDBY ENGINE INDICATOR INOP. SYSTEM BITE GOOD, PER AMM 77-41-00. NO OTHER FAULTS, OPS CHECK GOOD.
- [SDR UIEA2020081431763](https://openairdocs.org/sdr/UIEA2020081431763.md): Indicator · dim · Aug 12, 2020 · N1321A · Boeing 767306
  > STANDBY ENGINE INDICATOR GAUGE IS SO DIM IT'S NEARLY IMPOSSIBLE TO READ.(<P>REMOVED AND REPLACED STANDBY ENG IND IAW B767 AMM 77-41-01. OPS CHECKS GOOD AT THIS TIME.<BR /></P>)
- [SDR UIEA2020052001090](https://openairdocs.org/sdr/UIEA2020052001090.md): Indicator · broken · May 18, 2020 · N1489A · Boeing 76731K
  > STANBY ENGINE INDICATOR TEST SWITCH BROKEN(<P>REMOVED AND REPLACED STANDBY ENGINE INDICATOR IAW B767 AMM 77-41-01/401. OPS CHECK GOOD.<BR /></P>)
- [SDR UIEA2020050800992](https://openairdocs.org/sdr/UIEA2020050800992.md): Indicator · failed · May 5, 2020 · N645GT · Boeing 767324
  > DURING OP CHECK OF SEI THE SEI FAILED(<P>REMOVED AND REPLACED SEI (STAND BY ENGINE INDICATOR) AS PER B767-300 AMM 77-41-00 AND CHECKS GOOD.</P>)
- [SDR UIEA2020031900497](https://openairdocs.org/sdr/UIEA2020031900497.md): Screw · out of adjust · Mar 19, 2020 · N1321A · Boeing 767306
  > STANDBY ENGINE INDICATOR DOES NOT SHOW INDICATIONS WITH SWITCH IN ON POSITION.(<P>FOUND SCREW OVERTIGHTENED. TIGHTENED SCREWS IAW B767 AMM 77-41-01-434-008-H00. THEN PERFORMED SEI BITE PER AMM 77-41-00-745-001-H00. OPS CHECK TESTED OK.<BR /></P>)
- [SDR UIEA2020020650186](https://openairdocs.org/sdr/UIEA2020020650186.md): Warning Message · false activation · Feb 5, 2020 · N649GT · Boeing 767375
  > L ENG ANALOG N2 STATUS MSG(<P>PERFORMED STANDBY ENGINE INDICATOR BITE, REF AMM 77-41-00. PERFORMED ENG IDLE RUN IAW AMM 71-00-00. NO FAULTS NOTED.<BR /></P>)
- [SDR UIEA2019111425892](https://openairdocs.org/sdr/UIEA2019111425892.md): Indicator · malfunctioned · Nov 11, 2019 · N1511A · Boeing 767383
  > ENGINE STANDBY INDICATOR INOP.(<P>PERFORMED ENG RUN AT IDLE PER B767 AMM 71-00-00, OPS TEST NORMAL PER B767 AMM 77-41-01.<BR /></P>)
- [SDR UIEA2019062104547](https://openairdocs.org/sdr/UIEA2019062104547.md): Indicator · no test · Jun 21, 2019 · N1327A · Boeing 76737D
  > STANDBY ENG INDICATOR WILL NOT PERFORM BITE FUNCTION. REMOVED AND REPLACED THE STANDBY ENG INDICATOR IAW AMM 77-41-01, OPERATIONAL TESTED NORMAL.
- [SDR AALA201905209001](https://openairdocs.org/sdr/AALA201905209001.md): Instrument Panel · unreliable · May 19, 2019 · N9615W · Doug MD83
  > AIRCRAFT WAS GROUNDED: DURING CLIMB WITH CLIMB THRUST SELECTED ON TRI, ALL THE RIGHT ENGINE PARAMETERS FLUCTUATE. EPR + -.02/N1 +- 1%/ EGT + - 5 DEGREE C/N2 +- 1/2%/FF ALSO. RIGHT THROTTLE DID NOT MOVE. NO ICING. ENGINE ANTI-ICE ON OR OFF. OSCILLATION APPROX.
- [SDR UIEA2019031403538](https://openairdocs.org/sdr/UIEA2019031403538.md): Indicator · failed · Mar 11, 2019 · N641GT · Boeing 76738E
  > PER TASK CARD A-77-304-01 TALLY 8027 STANDBY ENGINE INDICATIOR (ETOPS) BITE TEST FAILED(<P>REMOVED AND REPLACED STANDBY ENGINE INDICATOR IAW AMM 77-41-01. BITE TEST SATISFACTORY IAW 77-41-01.</P>)
- [SDR UIEA2018071201441](https://openairdocs.org/sdr/UIEA2018071201441.md): Indicator · faulty · Jul 11, 2018 · N1093A · Boeing 76736N
  > STBY ENG INDICATOR HAS FAILED FLAG INDICATIONS. REMOVED AND REPLACED STBY ENG INDICATOR ( SEI) AS PER AMM 77-41-01.
- [SDR DXTA2018071301171](https://openairdocs.org/sdr/DXTA2018071301171.md): Electronic Unit · malfunctioned · Jul 10, 2018 · N269QS · Amd FALCON2000
  > AFTER DEPARTURE, WHEN THE GEAR CAME INTO THE WELLS, THE CREW BEGAN TO SMELL A HOT ELECTRICAL ODOR. IT GOT STRONGER FOR A COUPLE OF MINUTES, AND THEN STAYED THE SAME. WE DECLARED AN EMERGENCY AND RETURNED FOR LANDING AT KBOS. THE FIRE DEPARTMENT EQUIPMENT DE
- [SDR UIEA2018062801283](https://openairdocs.org/sdr/UIEA2018062801283.md): Indicator · broken · Jun 27, 2018 · N1997A · Boeing 76733A
  > STAND BY ENGINE INDICATOR BITE SCREW BROKEN. REMOVED AND REPLACED STAND BY INDICATOR IAW AMM 77-41-01.
- [SDR COEA2017092801983](https://openairdocs.org/sdr/COEA2017092801983.md): Indicator · failed · Sep 28, 2017 · N983FE · Cessna 208B
  > 20 MINUTES AFTER DEPARTURE, THE NG INDICATION DROPPED TO 20 PERCENT AT FULL POWER. ALL OTHER ENGINE PARAMETERS WERE NORMAL. THE PILOT DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NG INDICATOR. OPS CHECKED GOOD. AIRCRAFT RETURN
- [SDR AALA201707129011](https://openairdocs.org/sdr/AALA201707129011.md): Warn Panel · faulty · Jul 9, 2017 · N9622A · Doug MD83
  > AIRCRAFT WAS GROUNDED. TUS-DFW FLIGHT ABORTED TAKEOFF AT 15 KNOTS ACCOUNT LEFT ENGINE PRESSURE RATIO INDICATION. REMOVED AND REPLACED LEFT ENGINE PRSSURE RATIO TRANSMITTER PER AMM 77-11-02 (AALA201707119013) AND ENGINE DISPLAY PANEL PER AMM 77-42-00. OPERA
- [SDR UIEA2013013100046](https://openairdocs.org/sdr/UIEA2013013100046.md): Indicator · intermittent · Jan 31, 2013 · N643GT · Boeing 7673JHF
  > STANBY ENGINE INDICATION INTERMITTENT. REMOVED AND INSTALLED STANBY ENGINE INDICATOR IAW AMM 77-41-01, OPS CHECKED GOOD.
- [SDR 9JLA2012073103552](https://openairdocs.org/sdr/9JLA2012073103552.md): Indicator · defective · Jul 27, 2012 · N523KW · Cessna 560XL
  > CREW REPORTED THE NR 1 ENGINE N2 INDICATOR WAS INTERMITTENT. REMOVED THE N2, OIL TEMP/PRESSURE INDICATOR, INSTALLED AN O/H UNIT. FUNCTIONAL CHECKS SATISFACTORY.
- [SDR UALA2012071603835](https://openairdocs.org/sdr/UALA2012071603835.md): Indicator · faulty · Jul 14, 2012 · N656UA · Boeing 767322
  > STANDBY ENGINE INDICATOR BLANK WHEN SELECTED ON. REPLACED STANDBY ENGINE INDICATOR PER MM, OPS NORMAL.
- [SDR 2008UALA06240](https://openairdocs.org/sdr/2008UALA06240.md): Indicator · no test · Oct 21, 2008 · N595UA · Boeing 757222
  > STANDBY ENGINE INDICATOR (SEI) WILL NOT BITE TEST. REPLACED SEI. OP CHECKS NORMAL.
- [SDR CA080109009](https://openairdocs.org/sdr/CA080109009.md): Converter · faulty · Jan 7, 2008 · Cndair CL6002B16
  > (CAN) DURING ENGINE START, AT ABOUT 40 TO 50 PERCENT, N2, ALL LIGHTS ON THE ITT TAPE INSTANTLY LIGHTED UP. WE IMMEDIATELY SHUTDOWN ENGINE. RESIDUAL ITT WAS ONLY 56 AND NR9702, AFTER MOTORING. VISUALLY INSPECTED THE ENGINE FOR SIGNS OF HEAT OR DAMAGE AND FOUND
- [SDR C2XA07IA229](https://openairdocs.org/sdr/C2XA07IA229.md): Resistor · loose · Nov 1, 2007 · N22971 · Emb EMB145LR
  > IAH - FLT 2185 - DURING CLIMB THE CREW REPORTED THAT ENGINE 1 WAS SURGING ON TAKEOFF AND LOST 5% ON N1. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND RE-SECURED THE TRIM RESISTOR IN THE ENGINE 1 -A- HAR
- [SDR AC2A117289](https://openairdocs.org/sdr/AC2A117289.md): Pickup · inoperative · Aug 31, 2007 · N430CF · Bell 430
  > NR 1 ECU FAILED FIXED FLOW. AIRCRAFT WAS REPOSITIONING FOR TAKEOFF, AT A HOVER, THEN SET LIGHT ON SKIDS, PLACED INTO MANUAL MODE, THROTTLE REDUCED, SET FULL ON GROUND AND SHUTDOWN WITH NO FUTHER ISSUES.
- [SDR SIMA200723201](https://openairdocs.org/sdr/SIMA200723201.md): Accelerometer · failed · Aug 17, 2007 · N521AE · Cndair CL6002C10
  > NUMBER TWO ENGINE N1 VIBRATION INDICATION WENT 1.8 - DIVERTED TO LIT. REMOVED AND REPLACED RIGHT ENGINE VIBRATION ACCELEROMETER IAW CRJ AMM 77-31-01. OPERATIONAL CHECK GOOD, AIRCRAFT RETURNED TO SERVICE.
- [SDR CA050926001](https://openairdocs.org/sdr/CA050926001.md): Display · smoke · Sep 23, 2005 · Bombdr DHC8402
  > (CAN) DURING WALK-AROUND, DC PWR HAD BEEN APPLIED AND ONLY ENGINE DISPLAY AND NR 2 MFD HAD BEEN TURNED ON. SHORTLY AFTER (AROUND 1MIN) BIG GREEN T FOR THE TESTING MODE FLASHED ON NR 1 MFD (NOTICE THAT THE SWITCH FOR THIS MFD WAS STILL OFF). A BURNED ODOR CAME
- [SDR HEEA084466](https://openairdocs.org/sdr/HEEA084466.md): Battery · discharged · Feb 13, 2003 · N6251X · Bell 206L3
  > PROCESSOR HAS A DEAD INTERNAL BATTERY. IN SHOP FOR REPAIR.
- [SDR HEEA084465](https://openairdocs.org/sdr/HEEA084465.md): Computer · malfunctioned · Feb 13, 2003 · N6251Y · Bell 206L3
  > PROCESSOR WILL NOT COMMUNICATE WITH LAPTOP.
- [SDR HEEA084464](https://openairdocs.org/sdr/HEEA084464.md): Battery · discharged · Feb 13, 2003 · N6251Y · Bell 206L3
  > PROCESSOR HAS LOW INTERNAL BATTERY VOLTAGE.
- [SDR HEEA083000](https://openairdocs.org/sdr/HEEA083000.md): Computer · failed · Jan 6, 2003 · N81SP · Bell 206L3
  > COMPUTER HAS MULTIPLE NR FAULTS.
- [SDR HEEA082999](https://openairdocs.org/sdr/HEEA082999.md): Computer · failed · Jan 6, 2003 · N31077 · Bell 206L3
  > COMPUTER INCORRECTLY RECORDED OVER TORQUE. REPLACED WITH SERVICEABLE PART.
- [SDR HEEA082998](https://openairdocs.org/sdr/HEEA082998.md): Computer · failed · Jan 6, 2003 · N54641 · Bell 206L3
  > UNABLE TO COMMUNICATE TO COMPUTER.
- [SDR HEEA082997](https://openairdocs.org/sdr/HEEA082997.md): Computer · failed · Jan 6, 2003 · N62127 · Bell 206L4
  > COMPUTER FAILS ENGINE TORQUE VALUES, READINGS INDICATE ALL 9'S.
- [SDR HEEA082996](https://openairdocs.org/sdr/HEEA082996.md): Computer · failed · Jan 6, 2003 · N62127 · Bell 206L4
  > COMPUTER HAS FAULT LIGHT WIRE WAS SHORTED TO GROUND ON FACTORY HARNESS.
- [SDR HEEA082995](https://openairdocs.org/sdr/HEEA082995.md): Computer · failed · Jan 6, 2003 · N54641 · Bell 206L3
  > INTELLISTART COMPUTER LIGHT WON'T STAY OUT.
- [SDR AUS20021100](https://openairdocs.org/sdr/AUS20021100.md): Warning System · failed · Oct 7, 2002 · Boeing 767330
  > (AUS) LOSS OF EICAS SCREEN INFORMATION. A 18 CIRCUIT BREAKER ON PANEL P6 OUT.
- [SDR HEEA080703](https://openairdocs.org/sdr/HEEA080703.md): Computer · malfunctioned · Jul 30, 2002 · N41128 · Bell 206L3
  > INTELLASTART PROCESSOR INTERNAL BATTERY FAULT.
- [SDR HEEA080702](https://openairdocs.org/sdr/HEEA080702.md): Computer · malfunctioned · Jul 30, 2002 · N53119 · Bell 206L3
  > HAD SOLENOID FAULT WITH NO LAMP ILLUMINATED CAUSING ENGINE TO OVERTEMP..
- [SDR HEEA080701](https://openairdocs.org/sdr/HEEA080701.md): Computer · malfunctioned · Jul 30, 2002 · N6251X · Bell 206L3
  > WILL NOT COMMUTE WITH COMPUTER AND INTELLISTART LIGHT STAYS ON.
- [SDR HEEA080700](https://openairdocs.org/sdr/HEEA080700.md): Computer · malfunctioned · Jul 30, 2002 · N3116P · Bell 206L3
  > INTELLASTART PROCESSOR MALFUNCTION, CANNOT DOWNLOAD DATA LOG.
- [SDR R7MR016235263](https://openairdocs.org/sdr/R7MR016235263.md): Computer · inoperative · Jun 5, 2002 · N101HN · Urocop EC135P1
  > DATA COLLECTION UNIT (DCU). UNIT INOPERATIVE. LOOSES TOTAL COUNT FORWARD AND BACKWARD. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR RAIA00205149](https://openairdocs.org/sdr/RAIA00205149.md): Panel · inoperative · May 10, 2002 · N563HK · Jetair JETSTM4101
  > 5367-STL- RIGHT TORQUE GAUGE WENT BLANK. MAINTENANCE REMOVED AND REPLACED ENGINE INSTRUMENT PANEL.
- [SDR HEEA079393](https://openairdocs.org/sdr/HEEA079393.md): Computer · malfunctioned · Sep 10, 2001 · N41791 · Bell 206L3
  > INTELLISTART LIGHT STAYS ON, COULDN'T ACCESS WITH MLP. SENT TO ALTAIR AVIONICS CORP. FOR INSPECTION AND REPAIR.
- [SDR HEEA075958](https://openairdocs.org/sdr/HEEA075958.md): Computer · malfunctioned · Sep 10, 2001 · N41791 · Bell 206L3
  > INTELLISTART LIGHT STAYS ON, COULDN'T ACCESS WITH MLP. SENT TO ALTAIR AVIONICS CORP. FOR INSPECTION AND REPAIR.
- [SDR HEEA073092](https://openairdocs.org/sdr/HEEA073092.md): Computer · failed · May 14, 2001 · N30KH · Bell 206L3
  > INTELLASTART CAUTION LIGHTS COMES ON INTERMITTENTLY AND WILL NOT LINK TO LAPTOP COMPUTER. SYSTEM FAILED DOWNLOAD PORT TEST.
- [SDR CA010212021](https://openairdocs.org/sdr/CA010212021.md): Control Panel · failed · Jan 24, 2001 · Pilats PC1245
  > (CAN) ON FINAL APPROACH, A FLUCTUATING OIL PRESSURE WAS NOTED ON THE E.I.S. PANEL. THE AIRCRAFT WAS LANDED, AND TAXIED TO HANGAR WITH OIL PRESSURE STILL FLUCTUATING. AFTER OIL LEVEL CHECKED OK. THE E.I.S. PANEL WAS REPLACED, AND OIL PRESSURE THEN RETURNED TO N
- [SDR SIMA2581](https://openairdocs.org/sdr/SIMA2581.md): Switch · inoperative · Sep 14, 2000 · N393AE · Saab 340B
  > LAX - FLT 9784 - DURING TAKEOFF ROLL, LEFT ENGINE OIL PRESSURE DROPPED TO ZERO. MAINTENANCE REMOVED AND REPLACED THE TRANSDUCER PRESSURE SWITCH IAW SAAB MM. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (X)

Next page: https://openairdocs.org/jasc/7740/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 = '7740'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/7740/reports

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