# Service difficulty reports: N9190Y

A list on [N9190Y](https://openairdocs.org/aircraft/N9190Y.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

- [SDR HEEA084650](https://openairdocs.org/sdr/HEEA084650.md): Retainer · corroded · Feb 12, 2003 · N9190Y · Bolkms BO105S · Main Rotor Head
  > INTERGRANULAR CORROSION ON GRIP SEAL RETAINER. REPAIRED.
- [SDR HEEA065137](https://openairdocs.org/sdr/HEEA065137.md): Indicator · malfunctioned · Nov 15, 1999 · N9190Y · Bolkms BO105S · Rotor Drive Indicating System
  > MAST MOMENT INDICATOR UNRELIABLE.
- [SDR HEEA061812](https://openairdocs.org/sdr/HEEA061812.md): Regulator · failed · Apr 8, 1999 · N9190Y · Bolkms BO105S · DC Regulator
  > UNABLE TO ADJUST VOLTAGE ON VOLTAGE REGULATOR.
- [SDR HEEA0016759](https://openairdocs.org/sdr/HEEA0016759.md): Indicator · failed · Nov 6, 1998 · N9190Y · Bolkms BO105S · Fuel Quantity Indicator
  > FUEL LEVEL GAUGE SUPPLY SIDE INDICATION OFF.
- [SDR HEEA0016685](https://openairdocs.org/sdr/HEEA0016685.md): Warning Box · malfunctioned · Nov 5, 1998 · N9190Y · Bolkms BO105S · Main Rotor Indicating System
  > RPM WARNING LIGHT COMES ON IN FLIGHT CRUISE WITH NO AUDIO.
- [SDR HEEA0016643](https://openairdocs.org/sdr/HEEA0016643.md): Transponder · failed · Nov 5, 1998 · N9190Y · Bolkms BO105S · ATC Transponder System
  > TRANSPONDER WILL NOT TRANSMIT.
- [SDR HEEA0014606](https://openairdocs.org/sdr/HEEA0014606.md): Indicator · faulty · Jun 5, 1998 · N9190Y · Bolkms BO105S · Engine EGT/TIT Indicating System
  > TOT INDICATOR HAS EXCESSIVE FRICTION ERROR. TIME SINCE REPAIR 24:00 HOURS.
- [SDR HEEA0013646](https://openairdocs.org/sdr/HEEA0013646.md): Indicator · defective · Mar 26, 1998 · N9190Y · Bolkms BO105S · Engine EGT/TIT Indicating System
  > EXH TEMP INDICATOR NON LINEAR THROUGHOUT SCALE.
- [SDR HEEA0013506](https://openairdocs.org/sdr/HEEA0013506.md): Blade · cracked · Mar 19, 1998 · N9190Y · Bolkms BO105S · Main Rotor Blades
  > M/R BLADE NOSE AND NECK SHELL CRACKED AND SEPARATED.
- [SDR HEEA0013505](https://openairdocs.org/sdr/HEEA0013505.md): Blade · cracked · Mar 19, 1998 · N9190Y · Bolkms BO105S · Main Rotor Blades
  > M/R BLADE NOSE AND NECK SHELL CRACKED AND SEPARATED.
- [SDR HEEA0012511](https://openairdocs.org/sdr/HEEA0012511.md): Valve · failed · Jan 6, 1998 · N9190Y · Bolkms BO105S · Engine Oil Shutoff Valve
  > OIL SYS VALVE WILL NOT OPEN.
- [SDR HEEA0012092](https://openairdocs.org/sdr/HEEA0012092.md): Pipe · stripped · Nov 19, 1997 · N9190Y · Bolkms BO105S · Engine Fuel Distribution
  > CONNECTING PIPE CORRODED AND STRIPPED OUT.
- [SDR HEEA0012046](https://openairdocs.org/sdr/HEEA0012046.md): Indicator · failed · Nov 19, 1997 · N9190Y · Bolkms BO105S · Main Rotor Indicating System
  > MAST MOMENT INDICATOR BLOWS FUSES.
- [SDR HEEA0012045](https://openairdocs.org/sdr/HEEA0012045.md): Transmitter · failed · Nov 19, 1997 · N9190Y · Bolkms BO105S · Engine BMEP/Torque Indicating
  > TORQUE TRANSMITTER BLOWS FUSES.
- [SDR HEEA0010052](https://openairdocs.org/sdr/HEEA0010052.md): Elt · malfunction · Jun 5, 1997 · N9190Y · Bolkms BO105S · Emergency Locator Beacon
  > ELT WOULD NOT SHUT OFF.
- [SDR HAIHEEA9690](https://openairdocs.org/sdr/HAIHEEA9690.md): Warning Box · malfunction · Apr 30, 1997 · N9190Y · Bolkms BO105S · Rotor Drive Indicating System
  > IN FLIGHT AT 100% N2 RPM WARNING LIGHT FLASHES CONTINUALLY.
- [SDR HAIHEEA9574](https://openairdocs.org/sdr/HAIHEEA9574.md): Elt · malfunction · Apr 24, 1997 · N9190Y · Bolkms BO105S · Emergency Locator Beacon
  > ELT ACTIVATES WHEN RADIO IS KEYED ON 123.05. TIME SINCE REPAIR 7:20.
- [SDR HAIHEEA9565](https://openairdocs.org/sdr/HAIHEEA9565.md): Elt · malfunction · Apr 24, 1997 · N9190Y · Bolkms BO105S · Emergency Locator Beacon
  > ELT ACTIVATES EVERY TIME MIKE IS KEYED.
- [SDR HAIHEEA9563](https://openairdocs.org/sdr/HAIHEEA9563.md): Elt · malfunction · Apr 24, 1997 · N9190Y · Bolkms BO105S · Emergency Locator Beacon
  > ELT TRANSMITS IN OFF POSITION. INTERNAL BATTERY DISCONNECTED.
- [SDR HEEA978901](https://openairdocs.org/sdr/HEEA978901.md): Nozzle Vane · cracked · Jan 20, 1997 · N9190Y · Bolkms BO105S · Turbine Section
  > NOZZLE CRACKED. ENGINE REMOVED DUE TO LOW POWER AND TURBINE CYCLES. UPON INSPECTION OF TURBINE PARTS NOTED: CRACKED AND BOWED BEYOND SERVICEABLE LIMITS ON NR 1 NOZZLE VANES. INSTALLED A NEW NR 1 NOZZLE.
- [SDR HEEA968649](https://openairdocs.org/sdr/HEEA968649.md): Nozzle · out of limits · Dec 10, 1996 · N9190Y · Bolkms BO105S · Turbine Section
  > TURBINE REMOVED DUE TO 1750 HOUR INSPECTION. UPON INSPECTION OF TURBINE PARTS NOTED: GROOVED AND EXCESSIVE RUNOUT BEYOND SERVICEABLE LIMITS ON #4 NOZZLE 3RD STAGE TIP PATH (T/R.0055) AND 4TH STAGE TIP PATH (T/R.005) MAX ALLOWABLE TIP PATH RUNOUT.004. INST
- [SDR HEEA968477](https://openairdocs.org/sdr/HEEA968477.md): Coupling · failed insp · Nov 13, 1996 · N9190Y · Bolkms BO105S · Turbine Engine Reduction Gear
  > TURBINE REMOVED DUE TO 1750 HOUR INSPECTION DUE. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: FAILED NO-GO GUAGE INSPECTION ON N1 COUPLING INTERNAL SPLINES. INSTALLED NEW PART.
- [SDR HEEA968459](https://openairdocs.org/sdr/HEEA968459.md): Valve · defective · Nov 6, 1996 · N9190Y · Bolkms BO105S · Engine Oil Shutoff Valve
  > INTERMITTENT OPERATION. INSPECTED BY ACCESSORY OVERHAUL SHOP AND FOUND VALVE TO BE INOPERATIVE.
- [SDR HEEA968416](https://openairdocs.org/sdr/HEEA968416.md): Transceiver · defective · Nov 4, 1996 · N9190Y · Bolkms BO105S · ATC Transponder System
  > TOWER REPORTED INTERMITTENT OPERATION. FOUND POWER OUT LOW, PERFORMED PRELIMINARY INSPECTION. FOUND FUSE F401 BLOWS WHEN UNIT IS TURNED ON. REPLACED V101 CAVITY TUBE V301 PHOTOCELL, ALSO REPLACED R477 RESISTOR. TROUBLESHOT UNIT, FOUND SWITCH BOARD BEING SHO
- [SDR HEEA968327](https://openairdocs.org/sdr/HEEA968327.md): Indicator · reads high · Oct 14, 1996 · N9190Y · Bolkms BO105S · Engine EGT/TIT Indicating System
  > READS HIGH AND EXCESSIVE FRICTION ERROR.
- [SDR HEEA968288](https://openairdocs.org/sdr/HEEA968288.md): Transmitter · failed · Oct 14, 1996 · N9190Y · Bolkms BO105S · Fuel Quantity Sensor
  > STICKS AT BOTTOM OF PROBE AND FLANGE WARPED. SENT TO FIVE STAR TECHNOLOGIES, INC. FOR INSPECTION AND REPAIR.
- [SDR HEEA967783](https://openairdocs.org/sdr/HEEA967783.md): Nozzle · defective · Sep 4, 1996 · N9190Y · Bolkms BO105S · Turbine Section
  > ENGINE REMOVED DUE TO UNABLE TO INSTALL 6 & 7 OIL PRESSURE NOZZLE. UPON INSPECTION OF TURBINE PARTS NOTED: EXCESSIVE RUNOUT BEYOND SERVICEABLE LIMITS ON #2 NOZZLE 1ST (.006 RUNOUT) AND 2ND (.005 RUNOUT) TIP PATHS. REPLACED DISCREPANT PART.
- [SDR HEEA967667](https://openairdocs.org/sdr/HEEA967667.md): Control Unit · failed · Aug 16, 1996 · N9190Y · Bolkms BO105S · VHF Communications System
  > CONTROL WILL NOT POWER UP.
- [SDR HEEA967627](https://openairdocs.org/sdr/HEEA967627.md): Nozzle · cracked · Aug 2, 1996 · N9190Y · Bolkms BO105S · Turbine Section
  > ENGINE REMOVED DUE TO CARBON 6 & 7 OIL PRESSURE STRUT. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: CRACKED BEYOND SERVICEABLE LIMITS ON #1 NOZZLE VANES. REPLACED DISCREPANT PART.
- [SDR HEEA955830](https://openairdocs.org/sdr/HEEA955830.md): Receiver · defective · Oct 5, 1995 · N9190Y · Bolkms BO105S · Long-Range Navigation (LORAN) System
  > WILL NOT ADJUST WITH LEFT HAND KNOB.
- [SDR HEEA955819](https://openairdocs.org/sdr/HEEA955819.md): Clutch · locked up · Sep 29, 1995 · N9190Y · Bolkms BO105S · Engine/Transmission Coupling
  > CLUTCH LOCKED UP AND CAUSED DAMAGE TO PINION AND F/W SHAFT. REPLACED CLUTCH WITH SERVICEABLE CLUTCH.
- [SDR HEEA955163](https://openairdocs.org/sdr/HEEA955163.md): Valve · intermittent · Jun 13, 1995 · N9190Y · Bolkms BO105S · Aircraft Fuel Distribution System
  > INTERMITTENTLY INOPERATIVE. INSPECTED BY ACCESSORY OVERHAUL SHOP AND FOUND SOLENOID OPERATES, BUT THE VALVE STICKS AFTER VALVE WARMS UP.
- [SDR HEEA955049](https://openairdocs.org/sdr/HEEA955049.md): Indicator · failed · May 19, 1995 · N9190Y · Bolkms BO105S · Main Rotor Indicating System
  > NO INDICATION.
- [SDR HEEA955048](https://openairdocs.org/sdr/HEEA955048.md): Transmitter · defective · May 19, 1995 · N9190Y · Bolkms BO105S · Main Rotor Indicating System
  > NO INDICATION.

## 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 n_number = 'N9190Y' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N9190Y/reports

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