# Service difficulty reports: N54197, cancelled Feb 17, 1999

A list on [N54197, cancelled Feb 17, 1999](https://openairdocs.org/deregistered/N54197-1999-02-17.md).

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

- [SDR HEEA0012135](https://openairdocs.org/sdr/HEEA0012135.md): Filter Assy · defective · Nov 28, 1997 · N54197 · Bolkms BO105S · Engine Oil Storage (Airframe Furnished)
  > FOUND FILTER ASSY SCREEN ON OUTPUT SIDE BROKEN.
- [SDR HEEA0011906](https://openairdocs.org/sdr/HEEA0011906.md): Indicator · failed · Nov 10, 1997 · N54197 · Bolkms BO105S · Engine Oil Indicating System
  > INDICATOR WAS REMOVED FROM BOWL AND CLEANED. INSTALLED INDICATOR BACK ON BOWL, TESTED AND INDICATOR STILL DID NOT WORK. SCRAPPED INDICATOR AND REPLACED WITH SERVICEABLE PART.
- [SDR HEEA0011810](https://openairdocs.org/sdr/HEEA0011810.md): Power Supply · failed · Nov 6, 1997 · N54197 · Bolkms BO105S · Exterior Lighting
  > POWER SUPPLY INOPERATIVE. SHORTED TAILBOOM PLUG.
- [SDR HEEA0011796](https://openairdocs.org/sdr/HEEA0011796.md): Warning Box · failed · Nov 5, 1997 · N54197 · Bolkms BO105S · Main Rotor Indicating System
  > RPM WARN BOX WARNING GOES OFF INADVERTENTLY.
- [SDR HEEA0011625](https://openairdocs.org/sdr/HEEA0011625.md): Transmitter · failed · Oct 22, 1997 · N54197 · Bolkms BO105S · Fuel Pressure Indicator
  > INDICATOR DROPPED TO ZERO.
- [SDR 99ZZZX409](https://openairdocs.org/sdr/99ZZZX409.md): Blade · damaged · Oct 6, 1997 · N54197 · Bolkms BO105CBS · Turbine Section
  > THE PILOT REPORTED THE NR 2 ENGINE BEGAN TO 'BOG DOWN' DURING A PRECAUTIONARY LANDING TO AN OFFSHORE PLATFORM AFTER THE NR 2 ENGINE FIRE WARNING LIGHT ILLUMINATED. METALURGICAL EXAMINATION BY THE ENGINE MANUFACTURER REVEALED THE FIRST STAGE TURBINE WHEEL HAD
- [SDR HEEA0011149](https://openairdocs.org/sdr/HEEA0011149.md): Indicicator · failed · Oct 2, 1997 · N54197 · Bolkms BO105S · Engine RPM Indicating System
  > INDICATOR DOES NOT INDICATE ABOVE 5%. EXCESSIVE FRICTION ERROR.
- [SDR HEEA0011148](https://openairdocs.org/sdr/HEEA0011148.md): Indicicator · failed · Oct 2, 1997 · N54197 · Bolkms BO105S · Engine RPM Indicating System
  > RPM GAUGE WILL NOT GO PAST 5%.
- [SDR HEEA0010009](https://openairdocs.org/sdr/HEEA0010009.md): Skid Tube · corroded · Jun 2, 1997 · N54197 · Bolkms BO105S · Main Landing Gear Strut/Axle/Truck
  > SKID TUBE CORRODED BEYOND LIMITS AT THIS REPAIR STATION AS MARKED.040.
- [SDR HAIHEEA9985](https://openairdocs.org/sdr/HAIHEEA9985.md): Oil Cooler · hole elongated · May 30, 1997 · N54197 · Bolkms BO105S · Engine Oil Cooler
  > UPPER SUPPORT HOLE ELONGATED.
- [SDR HAIHEEA9941](https://openairdocs.org/sdr/HAIHEEA9941.md): Indicator · erratic · May 28, 1997 · N54197 · Bolkms BO105S · Engine EGT/TIT Indicating System
  > ERRATIC AND EXCESSIVE ERROR.
- [SDR HAIHEEA9812](https://openairdocs.org/sdr/HAIHEEA9812.md): Pump · shaft bent · May 7, 1997 · N54197 · Bolkms BO105S · Hydraulic Pump (Electric/Engine), Main
  > HYD PUMP SHAFT IS BENT.
- [SDR HAIHEEA9752](https://openairdocs.org/sdr/HAIHEEA9752.md): Shaft · corroded · Apr 30, 1997 · N54197 · Bolkms BO105S · Tail Rotor Drive Shaft
  > REPAIR DUE TO CORROSION AT ZONE D AND WEAR AT ZONE F.
- [SDR HAIHEEA9584](https://openairdocs.org/sdr/HAIHEEA9584.md): Indicator · erratic · Apr 24, 1997 · N54197 · Bolkms BO105S · Engine EGT/TIT Indicating System
  > EXH TEMP INDICATOR ERRATIC AND EXCESSIVE FRICTION ERROR.
- [SDR HAIHEEA9577](https://openairdocs.org/sdr/HAIHEEA9577.md): Fuel Cell · blistered · Apr 24, 1997 · N54197 · Bolkms BO105S · Fuel Storage
  > FUEL CELL HAS EXCESSIVE BLISTERING.
- [SDR HAIHEEA9573](https://openairdocs.org/sdr/HAIHEEA9573.md): Transmitter · defective · Apr 24, 1997 · N54197 · Bolkms BO105S · Main Rotor Indicating System
  > MAST MOMENT INDICATOR READS LOW OUT OF TOLERANCE.
- [SDR HAIHEEA9572](https://openairdocs.org/sdr/HAIHEEA9572.md): Indicator · reads low · Apr 24, 1997 · N54197 · Bolkms BO105S · Main Rotor Indicating System
  > MAST MOMENT INDICATOR READS LOW OUT OF TOLERANCE.
- [SDR HEEA978906](https://openairdocs.org/sdr/HEEA978906.md): Spline Adapter · below specs · Jan 20, 1997 · N54197 · Bolkms BO105S · Turbine Engine Compressor Section
  > RECEIVING INSPECTION REVEALED: MEASURED.0034 BELOW BLUEPRINT SPECS (.8994 MIN) ON EXTERNAL SPLINES.
- [SDR HEEA968720](https://openairdocs.org/sdr/HEEA968720.md): Transmitter · defective · Dec 13, 1996 · N54197 · Bolkms BO105S · Main Rotor Indicating System
  > TRANSMITTER LIGHT INTERMITTENTLY COMES ON.
- [SDR HEEA968719](https://openairdocs.org/sdr/HEEA968719.md): Indicator · defective · Dec 13, 1996 · N54197 · Bolkms BO105S · Main Rotor Indicating System
  > MAST MOMENT INDICATOR LIGHT COMES ON INTERMITTENTLY. OUT OF TOLERANCE.
- [SDR HEEA968674](https://openairdocs.org/sdr/HEEA968674.md): Gear Box · making metal · Dec 11, 1996 · N54197 · Bolkms BO105S · Tail Rotor Gearbox
  > INTERMEDIATE GR BOX MAKING METAL, FRONT SEAL LEAKS.
- [SDR HEEA968587](https://openairdocs.org/sdr/HEEA968587.md): Wheel · defective · Nov 25, 1996 · N54197 · Bolkms BO105S · Turbine Section
  > ENGINE REMOVED DUE TO COMPRESSOR OVERHAUL. PERFORMED HOT END INSPECTION ON TURBINE DUE TO COMPRESSOR FOD. UPON INSPECTION OF TURBINE NOTED MINOR SULFIDATION ON ALL #1 WHEEL BLADES. SCRAPPED 1ST STAGE WHEEL.
- [SDR HEEA968354](https://openairdocs.org/sdr/HEEA968354.md): Indicator · failed · Oct 14, 1996 · N54197 · Bolkms BO105S · Main Rotor Indicating System
  > MAST MOMENT LIGHT COMES ON AT ANY TIME WITHOUT THE NEEDLE LEAVING THE GREEN ARC.
- [SDR HEEA968353](https://openairdocs.org/sdr/HEEA968353.md): Transmitter · defective · Oct 14, 1996 · N54197 · Bolkms BO105S · Main Rotor Indicating System
  > MAST MOMENT RED LIGHT INTERMITTENTLY COMES ON IN GREEN AREA.
- [SDR HEEA967721](https://openairdocs.org/sdr/HEEA967721.md): Blade · damaged · Aug 30, 1996 · N54197 · Bolkms BO105S · Tail Rotor Blades
  > LEADING EDGE DAMAGE.
- [SDR HEEA967623](https://openairdocs.org/sdr/HEEA967623.md): Nozzle Vanes · cracked · Aug 2, 1996 · N54197 · Bolkms BO105S · Turbine Section
  > ENGINE REMOVED DUE TO CRACKED COMPRESSOR SCROLL. TURBINE DISASSEMBLED DUE TO LOW POWER ON TEST CELL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: CRACKED BEYOND SERVICEABLE LIMITS ON NR 1 NOZZLE VANES AND EXCESSIVE RUNOUT BEYOND SERVICEABLE LIMITS O
- [SDR HEEA967622](https://openairdocs.org/sdr/HEEA967622.md): Nozzle Vanes · cracked · Aug 2, 1996 · N54197 · Bolkms BO105S · Turbine Section
  > ENGINE REMOVED DUE TO CRACKED COMPRESSOR SCROLL. TURBINE DISASSEMBLED DUE TO LOW POWER ON TEST CELL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: CRACKED BEYOND SERVICEABLE LIMITS ON NR 1 NOZZLE VANES AND EXCESSIVE RUNOUT BEYOND SERVICEABLE LIMITS O
- [SDR HEEA967608](https://openairdocs.org/sdr/HEEA967608.md): Transceiver · defective · Jul 31, 1996 · N54197 · Bolkms BO105S · ATC Transponder System
  > DOESN'T WORK IN AIRCRAFT USING TEST EQUIPMENT. FOUND FREQUENCY WOULD DROP OFF LINE WHEN VIBRATED. REPLACED V101 CAVITY TUBE. REPAIRED. ALSO REPLACED V301 PHOTOCELL. REPAIRED. BENCH CHECK GOOD.
- [SDR HEEA967514](https://openairdocs.org/sdr/HEEA967514.md): Exciter · defective · Jul 5, 1996 · N54197 · Bolkms BO105S · Exciter
  > EXCITER WILL NOT START ENGINES AND NEW IGNITER PLUG POPS VERY SLOWLY.
- [SDR HEEA966656](https://openairdocs.org/sdr/HEEA966656.md): Encoder · erratic · Feb 6, 1996 · N54197 · Bolkms BO105S · Altimeter, Barometric/Encoder
  > ENCODER HAS ERRATIC OUTPUT.
- [SDR HEEA955834](https://openairdocs.org/sdr/HEEA955834.md): Blade · cracked · Oct 5, 1995 · N54197 · Bolkms BO105S · Main Rotor Blades
  > BLADE NOSE AND NECK SHELL CRACK IN THE ROOT AREA. FIBERGLASS IN THE ROOT AREA ALSO DISCOLORED AND SEPARATED FROM THE ROVINGS.
- [SDR HEEA955508](https://openairdocs.org/sdr/HEEA955508.md): Regulator · malfunction · Aug 2, 1995 · N54197 · Bolkms BO105S · DC Regulator
  > GENERATOR WILL NOT COME ON LINE. REPLACED Q4 TRANSISTOR P/N 03-0044-28. BENCH CHECK GOOD.
- [SDR HEEA955507](https://openairdocs.org/sdr/HEEA955507.md): Regulator · malfunction · Aug 2, 1995 · N54197 · Bolkms BO105S · DC Regulator
  > GENERATOR WILL NOT COME ON LINE. SCRAPPED VOLTAGE REGULATOR AT PHI.
- [SDR HEEA955348](https://openairdocs.org/sdr/HEEA955348.md): Blade · cracked · Jul 11, 1995 · N54197 · Bolkms BO105S · Main Rotor Blades
  > NOSE AND NECK SHELL CRACKED IN ROOT END AREA.
- [SDR HEEA955083](https://openairdocs.org/sdr/HEEA955083.md): Regulator · defective · May 25, 1995 · N54197 · Bolkms BO105S · DC Regulator
  > DELAY IN COMING ON LINE. REPLACED R65 RESISTOR P/N 05-508624 ON CIRCUIT BOARD 51565-312R. BENCH CHECK GOOD.
- [SDR HEEA955071](https://openairdocs.org/sdr/HEEA955071.md): Wheel · sulfidation · May 24, 1995 · N54197 · Bolkms BO105S · Turbine Section
  > ENGINE REMOVED DUE TO TURBINE 1750 HOUR INSPECTION AND BURNT 1ST STAGE NOZZLE. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: MINOR SULFIDATION ON ALL 1ST STAGE WHEEL BLADES. SCRAPPED 1ST STAGE WHEEL.
- [SDR 95ZZZX3336](https://openairdocs.org/sdr/95ZZZX3336.md): Air Tube · hole chafed · May 12, 1995 · N54197 · Bolkms BO105CBS · Turbine Section
  > IN CRUISE FLIGHT, PILOT EXPERIENCED AN ENGINE TORQUE SPLIT, NR 1 ENGINE DROPPING OFF-LINE. LANDED ON OFFSHORE PLATFORM WITHOUT INCIDENT. FOUND HOLE CHAFED IN AIR TRANSFER TUBE, WITH ASSOCIATED CRACKS. ALLISON IPC, CHAPTERS 2-60, FIGURE 13, ITEM 24.
- [SDR HEEA954545](https://openairdocs.org/sdr/HEEA954545.md): Wheel · sulfidation · Mar 16, 1995 · N54197 · Bolkms BO105S · Turbine Section
  > ENGINE REMOVED DUE TO 1750 HOUR INSPECTION AND TURBINE OVERHAUL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: SULFIDATION ON ALL 1ST STAGE WHEEL BLADES. SCRAPPED 1ST STAGE WHEEL.
- [SDR HEEA954388](https://openairdocs.org/sdr/HEEA954388.md): Blade · cracked · Feb 16, 1995 · N54197 · Bolkms BO105S · Tail Rotor Blades
  > CRACKED PARALLEL TO THRUSTPLATE.
- [SDR HEEA954387](https://openairdocs.org/sdr/HEEA954387.md): Blade · separation · Feb 16, 1995 · N54197 · Bolkms BO105S · Tail Rotor Blades
  > TIP BLOCK SEPARATION.
- [SDR HEEA954376](https://openairdocs.org/sdr/HEEA954376.md): Transmitter · defective · Feb 15, 1995 · N54197 · Bolkms BO105S · Engine Oil Pressure
  > #2 ENGINE OIL PRESSURE FLUCTUATING AT IDLE. REPLACED WITH SERVICEABLE TRANSMITTER.

## 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 = 'N54197' AND deregistration_id = 'N54197-1999-02-17'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N54197-1999-02-17/reports

---
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