# Service difficulty reports: N911BY, cancelled Jul 15, 2013

A list on [N911BY, cancelled Jul 15, 2013](https://openairdocs.org/deregistered/N911BY-2013-07-15.md).

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

Page 1 of 2 · 87 reports

- [SDR QML2008F00013](https://openairdocs.org/sdr/QML2008F00013.md): Computer · faulted · Sep 13, 2008 · N911BY · Bolkms BK117A4 · Autopilot System
  > WHILE RETURNING TO BASE, CREW NOTICED AN INCREASING STRONG ELECTRICAL ODOR AS THE ACFT TURNED FINAL. CONTINUED TO THE LANDING AREA AND PUT THE ACFT OUT OF SERVICE. CREW SAW NO SMOKE BUT ONLY THE ODOR. MAINTENANCE FOUND YAW COMPUTER TO BE FAULTY AND REPLACED
- [SDR R7MA33788](https://openairdocs.org/sdr/R7MA33788.md): Shroud · worn · Nov 17, 2001 · N911BY · Bolkms BK117A4 · Turbine Section
  > EXCESSIVE GP BLADE TIP RUB. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR R7MA33789](https://openairdocs.org/sdr/R7MA33789.md): Nozzle · cracked · Nov 17, 2000 · N911BY · Bolkms BK117A4 · Fuel Injector Nozzle
  > CRACKED BEYOND SERVICEABLE (NOT REPAIRABLE) LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR R7MR33010](https://openairdocs.org/sdr/R7MR33010.md): Bearing · damaged · Aug 25, 2000 · N911BY · Bolkms BK117A4 · Turbine Engine Compressor Section
  > EXCESSIVE PITTING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR R7MR33005](https://openairdocs.org/sdr/R7MR33005.md): Harness · shorted · Aug 25, 2000 · N911BY · Bolkms BK117A4 · Engine Indicating System
  > INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR R7MR32996](https://openairdocs.org/sdr/R7MR32996.md): Seal · warped · Aug 25, 2000 · N911BY · Bolkms BK117A4 · Turbine Engine Compressor Section
  > EXCESSIVE WARPAGE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR R7MR32995](https://openairdocs.org/sdr/R7MR32995.md): Shroud · damaged · Aug 25, 2000 · N911BY · Bolkms BK117A4 · Turbine Section
  > EXCESSIVE GP BLADE TIP RUB. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR R7MR32990](https://openairdocs.org/sdr/R7MR32990.md): Spring · worn · Aug 25, 2000 · N911BY · Bolkms BK117A4 · Turbine Section
  > WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNITS, CORRECTED PROBLEM.
- [SDR R7MR32989](https://openairdocs.org/sdr/R7MR32989.md): Seal Ring · worn · Aug 25, 2000 · N911BY · Bolkms BK117A4 · Turbine Section
  > WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNITS, CORRECTED PROBLEM.
- [SDR 20001018SH015](https://openairdocs.org/sdr/20001018SH015.md): Light · worn · Jul 27, 2000 · N911BY · Bolkms BK117A4 · Exterior Lighting
  > CLEAR TAIL LIGHT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
- [SDR 20000607SH012](https://openairdocs.org/sdr/20000607SH012.md): Bearing · worn · Mar 31, 2000 · N911BY · Bolkms BK117A4 · Tail Rotor Head
  > BEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH2 EACH NEW UNITS, CORRECTED PROBLEM. (X)
- [SDR 20000919SH012](https://openairdocs.org/sdr/20000919SH012.md): Seal · leaking · Feb 29, 2000 · N911BY · Bolkms BK117A4 · Turbine Section
  > LEAKING BYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
- [SDR 20000919SH011](https://openairdocs.org/sdr/20000919SH011.md): Seal · leaking · Feb 29, 2000 · N911BY · Bolkms BK117A4 · Turbine Section
  > LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
- [SDR 20000919SH010](https://openairdocs.org/sdr/20000919SH010.md): Curl · burned · Feb 29, 2000 · N911BY · Bolkms BK117A4 · Turbine Engine Combustion Section
  > EXCESSIVE BURN IN SOME AREAS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
- [SDR 20000919SH009](https://openairdocs.org/sdr/20000919SH009.md): Shroud · damaged · Feb 29, 2000 · N911BY · Bolkms BK117A4 · Turbine Section
  > EXCESSIVE GP BLADE TIP RUB. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
- [SDR 20000919SH008](https://openairdocs.org/sdr/20000919SH008.md): Diffuser · cracked · Feb 29, 2000 · N911BY · Bolkms BK117A4 · Turbine Engine Compressor Section
  > DIFFUSER ASSY CRACKED BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
- [SDR 20000919SH007](https://openairdocs.org/sdr/20000919SH007.md): Seal · worn · Feb 29, 2000 · N911BY · Bolkms BK117A4 · Turbine Section
  > WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
- [SDR 20000919SH006](https://openairdocs.org/sdr/20000919SH006.md): Seal · worn · Feb 29, 2000 · N911BY · Bolkms BK117A4 · Turbine Section
  > SEAL WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
- [SDR 20000919SH004](https://openairdocs.org/sdr/20000919SH004.md): Seal · leaking · Feb 29, 2000 · N911BY · Bolkms BK117A4 · Turbine Engine Accessory Drive
  > LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
- [SDR 20000508SH035](https://openairdocs.org/sdr/20000508SH035.md): Seal · worn · Jul 15, 1999 · N911BY · Bolkms BK117A4 · Turbine Engine Combustion Section
  > SEAL RING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
- [SDR 20000508SH034](https://openairdocs.org/sdr/20000508SH034.md): Blade · worn · Jul 15, 1999 · N911BY · Bolkms BK117A4 · Turbine Section
  > EXCESSIVE GP BLADE TIP RUB. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
- [SDR 20000508SH033](https://openairdocs.org/sdr/20000508SH033.md): Seal · melted · Jul 15, 1999 · N911BY · Bolkms BK117A4 · Turbine Section
  > SEAL, NR 3 BEARING, LEAKING BEYOND SERVICE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
- [SDR 20000508SH032](https://openairdocs.org/sdr/20000508SH032.md): Seal · leaking · Jul 15, 1999 · N911BY · Bolkms BK117A4 · Turbine Engine Compressor Section
  > SEAL, NR 2 BEARING, LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
- [SDR 99ZZZX3863](https://openairdocs.org/sdr/99ZZZX3863.md): Guide · worn · May 28, 1999 · N911BY · Bolkms BK117A4 · Passenger/Crew Doors
  > WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 99ZZZX3862](https://openairdocs.org/sdr/99ZZZX3862.md): Catcher · worn · May 28, 1999 · N911BY · Bolkms BK117A4 · Passenger/Crew Doors
  > CATCHER WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 99ZZZX3861](https://openairdocs.org/sdr/99ZZZX3861.md): Catcher · worn · May 28, 1999 · N911BY · Bolkms BK117A4 · Passenger/Crew Doors
  > CATCHER WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 2000ZZZX769](https://openairdocs.org/sdr/2000ZZZX769.md): Manifold · malfunctioned · May 19, 1999 · N911BY · Bolkms BK117A4 · Engine Fuel Distribution
  > IMPROPER NOZZLE SPRAY PATTERN. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 2000ZZZX756](https://openairdocs.org/sdr/2000ZZZX756.md): Shroud · damaged · May 19, 1999 · N911BY · Bolkms BK117A4 · Turbine Section
  > SHROUD HAD EXCESSIVE GP BLADE TIP RUB. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 2000ZZZX755](https://openairdocs.org/sdr/2000ZZZX755.md): Seal · leaking · May 19, 1999 · N911BY · Bolkms BK117A4 · Turbine Engine Combustion Section
  > SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 99ZZZX3864](https://openairdocs.org/sdr/99ZZZX3864.md): Bearing · worn · May 7, 1999 · N911BY · Bolkms BK117A4 · Tail Rotor System
  > BEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 99ZZZX4072](https://openairdocs.org/sdr/99ZZZX4072.md): Lead · worn · Apr 6, 1999 · N911BY · Bolkms BK117A4 · Ignition Harness (Distribution)
  > LEAD WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 99ZZZX3884](https://openairdocs.org/sdr/99ZZZX3884.md): Bearing · worn · Mar 19, 1999 · N911BY · Bolkms BK117A4 · Tail Rotor System
  > BEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 99ZZZX3883](https://openairdocs.org/sdr/99ZZZX3883.md): Bearing · worn · Jan 8, 1999 · N911BY · Bolkms BK117A4 · Tail Rotor System
  > BEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 99ZZZX853](https://openairdocs.org/sdr/99ZZZX853.md): Bearing · worn · Oct 22, 1998 · N911BY · Bolkms BK117A4 · Tail Rotor Head
  > BEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 98ZZZX4113](https://openairdocs.org/sdr/98ZZZX4113.md): Rotor Assy · damaged · Sep 8, 1998 · N911BY · Bolkms BK117A4 · Turbine Engine Combustion Section
  > FAILED SB LT101-72-10-0153 (Q-ROTOR INSPECTION). EXCESSIVE IBPT BLADE SHIFT. REPLACED WITH USED UNIT, CORRECTED PROBLEM. PART TC: 3,518.5.
- [SDR 99ZZZX691](https://openairdocs.org/sdr/99ZZZX691.md): Exciter · failed · Aug 18, 1998 · N911BY · Bolkms BK117A4 · Exciter
  > EXCITER INOPERATIVE. IGNITERS WILL NOT SPARK (NOT VERY EXCITABLE). REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 99ZZZX1699](https://openairdocs.org/sdr/99ZZZX1699.md): Seal · worn · May 12, 1998 · N911BY · Bolkms BK117A4 · Turbine Engine Combustion Section
  > SEAL WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. PART TC: 6,926.0.
- [SDR 98ZZZX3741](https://openairdocs.org/sdr/98ZZZX3741.md): Seal · leaking · May 12, 1998 · N911BY · Bolkms BK117A4 · Turbine Engine Compressor Section
  > SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 98ZZZX3740](https://openairdocs.org/sdr/98ZZZX3740.md): Bearing · corroded · May 12, 1998 · N911BY · Bolkms BK117A4 · Turbine Engine Compressor Section
  > BEARING HAS EXCESSIVE PITTING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 98ZZZX3739](https://openairdocs.org/sdr/98ZZZX3739.md): Seal · leaking · May 12, 1998 · N911BY · Bolkms BK117A4 · Turbine Section
  > SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 98ZZZX3720](https://openairdocs.org/sdr/98ZZZX3720.md): Shaft · corroded · May 12, 1998 · N911BY · Bolkms BK117A4 · Turbine Engine Compressor Section
  > SHAFT HAS EXCESSIVE PITTING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES: 1,661.3.
- [SDR 98ZZZX3718](https://openairdocs.org/sdr/98ZZZX3718.md): Tube Assy · leaking · May 12, 1998 · N911BY · Bolkms BK117A4 · Turbine Engine Oil System
  > TUBE ASSY LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 98ZZZX3717](https://openairdocs.org/sdr/98ZZZX3717.md): Bearing · corroded · May 12, 1998 · N911BY · Bolkms BK117A4 · Turbine Engine Reduction Gear
  > BEARING HAS EXCESSIVE PITTING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 98ZZZX3716](https://openairdocs.org/sdr/98ZZZX3716.md): Nozzle Assy · malfunctioned · May 12, 1998 · N911BY · Bolkms BK117A4 · Turbine Section
  > UNABLE TO GET CORRECT FLOW WHICH RESULTED IN ENGINE LOW POWER WITH HIGH EGT. -08 WEFA NEEDS TO BE BETWEEN 3.592 AND 3.600. WEFA FOR DISCREPANT UNIT IS 3.692 WHICH IS TOO HIGH FOR FLEET. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 98ZZZX3372](https://openairdocs.org/sdr/98ZZZX3372.md): Rotor Assy · failed · May 12, 1998 · N911BY · Bolkms BK117A4 · Turbine Section
  > FAILED SB LT101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT. REPLACED WITH USED UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES: 4,571.4.
- [SDR 98ZZZX1809](https://openairdocs.org/sdr/98ZZZX1809.md): Bearing · worn · Jan 27, 1998 · N911BY · Bolkms BK117A4 · Tail Rotor Head
  > BEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.
- [SDR 98ZZZX1358](https://openairdocs.org/sdr/98ZZZX1358.md): Blade · defective · Jan 27, 1998 · N911BY · Bolkms BK117A4 · Tail Rotor Blades
  > T/R BLADE PAINT BEGINNING TO PEEL. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 98ZZZX1357](https://openairdocs.org/sdr/98ZZZX1357.md): Blade · defective · Jan 27, 1998 · N911BY · Bolkms BK117A4 · Tail Rotor Blades
  > T/R BLADE PAINT BEGINNING TO PEEL. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 98ZZZX1808](https://openairdocs.org/sdr/98ZZZX1808.md): Bearing · worn · Nov 6, 1997 · N911BY · Bolkms BK117A4 · Tail Rotor Head
  > BEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.
- [SDR 97ZZZX4658](https://openairdocs.org/sdr/97ZZZX4658.md): Blade · cracked · Jul 15, 1997 · N911BY · Bolkms BK117A4 · Main Rotor Blades
  > M/R BLADE FAILED BLADE INSPECTION. EXCESSIVE SKIN BULGING AND CRACKS.

Next page: https://openairdocs.org/deregistered/N911BY-2013-07-15/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 n_number = 'N911BY' AND deregistration_id = 'N911BY-2013-07-15'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N911BY-2013-07-15/reports

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