# Service difficulty reports: N485EC, cancelled Jul 10, 2009

A list on [N485EC, cancelled Jul 10, 2009](https://openairdocs.org/deregistered/N485EC-2009-07-10.md).

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

- [SDR 74509272007](https://openairdocs.org/sdr/74509272007.md): Relay · failed · Sep 27, 2007 · N485EC · Bolkms BO105S · Passenger Compartment Lighting
  > ODOR OF BURNING INSULATION DETECTED IN CABIN. NO SMOKE PRESENT. CHECKED FOR TRIPPED CIRCUIT BREAKERS. NONE FOUND. RECYCLED/RESET BOTH GENERATORS TO CHECK LOAD ON EACH. NO PROBLEMS DETECTED AND RESTORED BOTH GENERATORS. CONTINUED TO FINAL LANDING AT BASE
- [SDR 75408212007](https://openairdocs.org/sdr/75408212007.md): Unknown · odor · Aug 21, 2007 · N485EC · Bolkms BO105S · Air Distribution System
  > FUEL ODOR NOTICEABLE AFTER TAKEOFF. THE AIRCRAFT RETURNED TO BASE. MAINTENANCE INSPECTED BELLY, SUMP DRAINS, AND DRAIN PORTS, FOUND NO EVIDENCE OF LEAKS. ALSO, THE MECHANIC INSPECTED BOTH ENGINES FOR EVIDENCE OF FUEL LEAKS, FOUND NONE. MAINTENANCE OPERATIO
- [SDR R7MR35306](https://openairdocs.org/sdr/R7MR35306.md): Transmitter · leaking · Jun 4, 2002 · N485EC · Bolkms BO105S · Engine Oil Pressure
  > PRESSURE TRANSMITTER, LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 2002F00313](https://openairdocs.org/sdr/2002F00313.md): Transmitter · inoperative · Nov 11, 2001 · N485EC · Bolkms BO105S · Engine Oil Pressure
  > PRESSURE TRANSMITTER INOPERATIVE. ERRATIC OPERATION. REPLACED WITH NEW, CORRECTED PROBLEM. (M)
- [SDR R7MR34237](https://openairdocs.org/sdr/R7MR34237.md): Indicator · failed · Oct 25, 2001 · N485EC · Bolkms BO105S · Rotor Drive Indicating System
  > TRIPLE RPM INDICATOR, UNIT INOPERATIVE. OUT OF BOX FAILURE. NR 2 NEEDLE READS 12 PERCENT LOW. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 2001F00697](https://openairdocs.org/sdr/2001F00697.md): Actuator · intermittent · Aug 22, 2001 · N485EC · Bolkms BO105S · Fuel Controlling System
  > THROTTLE TRIM LINK ACTUATOR, OPERATES INTERMITTENTLY. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (M)
- [SDR R7MR33353](https://openairdocs.org/sdr/R7MR33353.md): Actuator · inoperative · Apr 11, 2001 · N485EC · Bolkms BO105S · Power Lever
  > UNIT INOPERATIVE, N2 TRIM ON NR 1 ENGINE DOES NOT WORK. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR R7MR33080](https://openairdocs.org/sdr/R7MR33080.md): Gearbox · contaminated · Mar 29, 2001 · N485EC · Bolkms BO105S · Tail Rotor Drive System
  > AFTER SERVICING THE GEARBOX AND ON FIRST RUN THE PILOT NOTICED A CHIP LIGHT. THE AIRCRAFT WAS SHUTDOWN AND THE GEARBOX INSPECTED. UPON REMOVING THE OIL SITE GLASS THE MECHANIC NOTICED BLACK MATERIAL AND VER SMALL SPECKS OF SHINY METALLIC PARTICLES IN THE OIL
- [SDR R7MA75432437](https://openairdocs.org/sdr/R7MA75432437.md): Transmitter · inoperative · Nov 25, 2000 · N485EC · Bolkms BO105S · Engine Oil Pressure
  > PRESSURE TRANSMITTER INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 20001017SH018](https://openairdocs.org/sdr/20001017SH018.md): Switch · inoperative · Aug 1, 2000 · N485EC · Bolkms BO105S · Engine Oil Indicating System
  > OIL PRESSURE WARNING SWITCH UNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
- [SDR 2000ZZZX748](https://openairdocs.org/sdr/2000ZZZX748.md): Indicator · reads high · Jan 20, 2000 · N485EC · Bolkms BO105S · Engine RPM Indicating System
  > ROTOR NEEDLE WILL NOT ALIGN WITH ENGINE NEEDLES. INDICATES APPROXIMATELY 2 PERCENT HIGH. MOISTURE NOTICED ON INDICATOR LENS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 99ZZZX4336](https://openairdocs.org/sdr/99ZZZX4336.md): Actuator · inoperative · Aug 11, 1999 · N485EC · Bolkms BO105S · Fuel Controlling System
  > FUEL CONTROL ACTUATOR INOPERATIVE. WILL NOT MOVE IN EITHER DIRECTION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 2000ZZZX801](https://openairdocs.org/sdr/2000ZZZX801.md): Transmitter · inoperative · Jul 26, 1999 · N485EC · Bolkms BO105S · Fuel Indicating System
  > TRANSMMITTER INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 99ZZZX842](https://openairdocs.org/sdr/99ZZZX842.md): Transmitter · erratic · Jan 7, 1999 · N485EC · Bolkms BO105S · Fuel Indicating System
  > PRESSURE TRANSMITTER ERRATIC. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 99ZZZX844](https://openairdocs.org/sdr/99ZZZX844.md): Transmitter · inoperative · Sep 25, 1998 · N485EC · Bolkms BO105S · Fuel Indicating System
  > PRESSURE TRANSMITTER UNIT INOPERATIVE. INDICATOR PEGGED. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 98ZZZX3706](https://openairdocs.org/sdr/98ZZZX3706.md): Combustion Case · cracked · Sep 14, 1998 · N485EC · Bolkms BO105S · Turbine Engine Combustion Section
  > DURING DAILY INSPECTION, ARM PIT AREA OF COMBUSTION CASE FOUND CRACKED, APPROXIMATELY 2.50 INCHES LONG. PILOTS NOTED APPROXIMATELY 20 DEGREES TOT INCREASE ON THAT ENGINE ON PRIOR FLIGHT. REPLACED PART.
- [SDR 98ZZZX3104](https://openairdocs.org/sdr/98ZZZX3104.md): Transmitter · erratic · Jul 2, 1998 · N485EC · Bolkms BO105S · Fuel Indicating System
  > PRESSURE TRANSMITTER HAS ERRATIC INDICATIONS. INSTALLED S/N COULD BE 12917. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 98ZZZX3105](https://openairdocs.org/sdr/98ZZZX3105.md): Transmitter · failed · Apr 11, 1998 · N485EC · Bolkms BO105S · Fuel Indicating System
  > PRESSURE TRANSMITTER UNIT INOPERATIVE. FUEL PRESURE INDICATOR MAXING OUT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 98ZZZX3103](https://openairdocs.org/sdr/98ZZZX3103.md): Transmitter · failed · Mar 23, 1998 · N485EC · Bolkms BO105S · Fuel Indicating System
  > PRESSURE TRANSMITTER UNIT INOPERATIVE. INDICATING HIGH PRESSURE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 98ZZZX1802](https://openairdocs.org/sdr/98ZZZX1802.md): Transmitter · failed · Mar 2, 1998 · N485EC · Bolkms BO105S · Fuel Indicating System
  > PRESSURE TRANSMITTER UNIT CAUSES PRESSURE GAUGE FLUCTUATION ON HIGH SIDE. TRANSMITTER REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 98ZZZX1801](https://openairdocs.org/sdr/98ZZZX1801.md): Transmitter · failed · Feb 25, 1998 · N485EC · Bolkms BO105S · Fuel Indicating System
  > PRESSURE TRANSMITTER UNIT CAUSES PRESSURE GAUGE FLUCTUATION ON HIGH SIDE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 98ZZZX1800](https://openairdocs.org/sdr/98ZZZX1800.md): Transmitter · failed · Feb 14, 1998 · N485EC · Bolkms BO105S · Fuel Indicating System
  > PRESSURE TRANSMITTER UNIT CAUSES PRESSURE GAUGE FLUCTUATION ON HIGH SIDE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 98ZZZX1799](https://openairdocs.org/sdr/98ZZZX1799.md): Transmitter · failed · Feb 2, 1998 · N485EC · Bolkms BO105S · Fuel Indicating System
  > PRESSURE TRANSMITTER UNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 98ZZZX1798](https://openairdocs.org/sdr/98ZZZX1798.md): Transmitter · failed · Dec 31, 1997 · N485EC · Bolkms BO105S · Fuel Indicating System
  > PRESSURE TRANSMITTER UNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 97ZZZX5068](https://openairdocs.org/sdr/97ZZZX5068.md): Transmitter · erratic · Oct 24, 1997 · N485EC · Bolkms BO105S · Fuel Pressure Indicator
  > PRESSURE TRANSMITTER ERRATIC. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 97ZZZX4112](https://openairdocs.org/sdr/97ZZZX4112.md): Transmitter · malfunction · May 28, 1997 · N485EC · Bolkms BO105S · Fuel Pressure Indicator
  > PRESSURE TRANSMITTER FALSE INDICATIONS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 97ZZZX4114](https://openairdocs.org/sdr/97ZZZX4114.md): Transmitter · intermittent · May 11, 1997 · N485EC · Bolkms BO105S · Fuel Pressure Indicator
  > TRANSMITTER UNIT SENDS FALSE INDICATIONS INTERMITTENTLY. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 97ZZZX4113](https://openairdocs.org/sdr/97ZZZX4113.md): Transmitter · intermittent · Apr 8, 1997 · N485EC · Bolkms BO105S · Fuel Pressure Indicator
  > TRANSMITTER UNIT OPERATES INTERMITTENTLY. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 97ZZZX2561](https://openairdocs.org/sdr/97ZZZX2561.md): Transmitter · defective · Mar 19, 1997 · N485EC · Bolkms BO105S · Fuel Pressure Indicator
  > PRESSURE TRANSMITTER UNIT CAUSES PRESSURE GAUGE TO FLUCTUATE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 97ZZZX2562](https://openairdocs.org/sdr/97ZZZX2562.md): Transmitter · failed · Feb 17, 1997 · N485EC · Bolkms BO105S · Fuel Pressure Indicator
  > FUEL PRESSURE GAUGE PEGS HIGH AS SOON AS MASTER POWER IS TURNED ON. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 97ZZZX2563](https://openairdocs.org/sdr/97ZZZX2563.md): Transmitter · failed · Jan 27, 1997 · N485EC · Bolkms BO105S · Fuel Pressure Indicator
  > WITH BOOST PUMP OF FUEL PRESSURE GAUGE INDICATES 1 BAR. WITH PUMP ON, THE GAUGE WILL PEG HIGH. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.

## 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 = 'N485EC' AND deregistration_id = 'N485EC-2009-07-10'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N485EC-2009-07-10/reports

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