# Service difficulty reports: N163BK, cancelled Dec 7, 2015 A list on [N163BK, cancelled Dec 7, 2015](https://openairdocs.org/deregistered/N163BK-2015-12-07.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR QMLA2014120314136](https://openairdocs.org/sdr/QMLA2014120314136.md): Structure · cracked · Dec 3, 2014 · N163BK · Bolkms BK117A4 · Fuselage Miscellaneous Structure > DURING REPLACEMENT OF MAIN TRANSMISSION STAY ASSEMBLY PN 117-11182-03 FOUND 5 CRACKS EMANATING FROM RIVETS NEAR THE AREA OF THE STAY ASSEMBLY. - [SDR QMLA2014042514043](https://openairdocs.org/sdr/QMLA2014042514043.md): Connector · dirty · Apr 25, 2014 · N163BK · Bolkms BK117A4 · Tail Rotor Drive System Wiring > ACFT HAD UNCOMMANDED YAW, CONTINUED AFTER PRESSING STABILIZATION CUT OFF PUSH BUTTON. LANDED AT NEARBY AIRPORT WITHOUT FURTHER INCIDENT. INSPECTED ALL T/R LINKAGE FROM NOSE TO TAIL, WITHOUT REMOVING MEDICAL FLOOR WITH NO DEFECTS FOUND. INSPECTED DRIVE SHAFT - [SDR QMLA2012071212115](https://openairdocs.org/sdr/QMLA2012071212115.md): Cyclic Control · binding · Jul 12, 2012 · N163BK · Bolkms BK117A4 · Main Rotor Control > DURING MX TEST FLIGHT, AFTER COMPLETION OF 3600 HR INSPECTION, COMPLETED GROUND RUN AND HOVER CHECKS. PROCEEDED TO TAKEOFF, AT APPROX 100 FT AGL SLOWLY ACCELERATED ACFT THROUGH ETL, CYCLIC CONTROL LOCKED UP IN THE PITCH AXIS. NOSE OF ACFT CONTINUED TO PITCH - [SDR QMLA2012042112062](https://openairdocs.org/sdr/QMLA2012042112062.md): Engine · power loss · Apr 21, 2012 · N163BK · Bolkms BK117A4 · Engine (Turbine/Turboprop) > ON APPROACH, MASTER CAUTION LIGHT ILLUMINATED WITH A NR 1 ENGINE LOW LIGHT FOLLOWED BY A LARGE TORQUE SPLIT ( NR 1 LOW AT 20 PERCENT AND NR 2 HIGH AT 80 PERCENT). ABORTED APPROACH AND PROCEEDED TO NEAREST AIRPORT FOR A PRECAUTIONARY LANDING. WHILE ON APPROA - [SDR QMLA2010071910039](https://openairdocs.org/sdr/QMLA2010071910039.md): Firewall · cracked · Jul 19, 2010 · N163BK · Bolkms BK117A4 · Nacelle/Pylon, Bulkhead/Firewall > CRACK IN FIREWALL AFT MOUNTING HOLE. - [SDR R7MR706335141](https://openairdocs.org/sdr/R7MR706335141.md): Seal Ring · worn · May 9, 2002 · N163BK · Bolkms BK117A3 · Turbine Section > FIRST TURBINE SHROUD SEAL RING WORN BEYOND SERVICE LIMITS. REPLACED WITH NEW UNIT CORRECTED PROBLEM. - [SDR R7MR34817](https://openairdocs.org/sdr/R7MR34817.md): Seal · leaking · Feb 2, 2002 · N163BK · Bolkms BK117A3 · Turbine Section > NR 2 BEARING SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR R7MR34816](https://openairdocs.org/sdr/R7MR34816.md): Seal · leaking · Feb 2, 2002 · N163BK · Bolkms BK117A3 · Turbine Engine Combustion Section > NR 3 BEARING SEAL, LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR SDRS2001002](https://openairdocs.org/sdr/SDRS2001002.md): Bearing · failed · May 25, 2001 · N163BK · Bolkms BK117A3 · Main Rotor Control > THE AC EXPERIENCED ABNORMAL UNCOMMANDED YAW AND ROLL MOTION ON LANDING. LATERAL CYCLIC BELLCRANK CENTER BEARING FOUND TO HAVE FAILED. THIS CAUSED THE BELLCRANK TO HAVE EXCESSIVE PLAY RESULTING IN LOSS OF POSITIVE CYCLIC CONTROL. AC PERFORMED SUCCESSFUL LAND - [SDR R7MR706335151](https://openairdocs.org/sdr/R7MR706335151.md): Rotor · eroded · May 15, 2001 · N163BK · Bolkms BK117A3 · Turbine Engine Compressor Section > ROTOR HAS EROSION. PENDING FURTHER INSPECTION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR R7MR706335135](https://openairdocs.org/sdr/R7MR706335135.md): Fuel Nozzle · cracked · May 15, 2001 · N163BK · Bolkms BK117A3 · Fuel Injector Nozzle > FUEL NOZZEL CRACKED. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR R7MR33351](https://openairdocs.org/sdr/R7MR33351.md): Bushing · worn · May 15, 2001 · N163BK · Bolkms BK117A3 · Autopilot System > BUSHINGS WORN BEYOND SERVICEABLE LIMITS AND ALSO LEAKS HYDRAULIC FLUID. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR R7MR706335136](https://openairdocs.org/sdr/R7MR706335136.md): Curl · cracked · May 9, 2001 · N163BK · Bolkms BK117A3 · Turbine Engine Combustion Section > CURL CRACKED BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR R7MR33075](https://openairdocs.org/sdr/R7MR33075.md): Seal · leaking · Oct 25, 2000 · N163BK · Bolkms BK117A3 · Turbine Engine Compressor Section > LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR R7MR33074](https://openairdocs.org/sdr/R7MR33074.md): Seal · leaking · Oct 25, 2000 · N163BK · Bolkms BK117A3 · Turbine Engine Compressor Section > LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR R7MR33070](https://openairdocs.org/sdr/R7MR33070.md): Seal · leaking · Oct 25, 2000 · N163BK · Bolkms BK117A3 · Turbine Section > LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR R7MR33061](https://openairdocs.org/sdr/R7MR33061.md): Curl · burned · Oct 25, 2000 · N163BK · Bolkms BK117A3 · Turbine Engine Combustion Section > EXCESSIVE BURN IN SOME AREAS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR R7MR33059](https://openairdocs.org/sdr/R7MR33059.md): Shroud · damaged · Oct 25, 2000 · N163BK · Bolkms BK117A3 · Turbine Section > EXCESSIVE GP BLADE TIP RUB. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR R7MR33055](https://openairdocs.org/sdr/R7MR33055.md): Spring · worn · Oct 25, 2000 · N163BK · Bolkms BK117A3 · Turbine Section > WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR R7MR33054](https://openairdocs.org/sdr/R7MR33054.md): Seal Ring · worn · Oct 25, 2000 · N163BK · Bolkms BK117A3 · Turbine Section > WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR R7MR33051](https://openairdocs.org/sdr/R7MR33051.md): Sleeve · worn · Oct 25, 2000 · N163BK · Bolkms BK117A3 · Turbine Section > WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR 20000918SH006](https://openairdocs.org/sdr/20000918SH006.md): Ignition Lead · shorted · Jun 28, 2000 · N163BK · Bolkms BK117A3 · Ignition Harness (Distribution) > IGNITION HAD INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X) - [SDR 20001107SH029](https://openairdocs.org/sdr/20001107SH029.md): Seal · worn · Jun 10, 2000 · N163BK · Bolkms BK117A3 · Turbine Section > SEAL RING - FIRST TURBINE SHROUD, WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X) - [SDR 20001107SH028](https://openairdocs.org/sdr/20001107SH028.md): Spring · worn · Jun 10, 2000 · N163BK · Bolkms BK117A3 · Turbine Section > SPRING - SEAL RING EXPANDER, WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X) - [SDR 20000721SH004](https://openairdocs.org/sdr/20000721SH004.md): Manifold · malfunctioned · Jun 2, 2000 · N163BK · Bolkms BK117A3 · Engine Fuel Distribution > FUEL MANIFOLD ASSY CAUSES ENGINE TO RUN HOT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X) - [SDR 20000720SH013](https://openairdocs.org/sdr/20000720SH013.md): Fitting · cracked · Apr 26, 2000 · N163BK · Bolkms BK117A3 · Empennage Flight Control Surfaces, Attach Fittings > UPON INSPECTION, NOTICED A CRACK BEHIND UPPER LEFT BOLT HOLE EXTENDING TO RIVET HOLE. (X) - [SDR 20000721SH003](https://openairdocs.org/sdr/20000721SH003.md): Blade · debonded · Feb 2, 2000 · N163BK · Bolkms BK117A3 · Main Rotor Blades > LEADING EDGE SKIN UNDER BONDED PV-FILM IN NOSE AREA TO APPROXIMATELY BLADE STA 922 (SECTION 1) IS DEBONDING ON TRAILING EDGE, BOTH UPPER/LOWER SURFACES. (X) - [SDR 20000721SH002](https://openairdocs.org/sdr/20000721SH002.md): Blade · debonded · Feb 2, 2000 · N163BK · Bolkms BK117A3 · Main Rotor Blades > LEADING EDGE SKIN UNDER BONDED PV-FILM IN NOSE AREA TO APPROXIMATELY BLADE STA 922 (SECTION 1) IS DEBONDING ON TRAILING EDGE, BOTH UPPER/LOWER SURFACES. (X) - [SDR 20000721SH001](https://openairdocs.org/sdr/20000721SH001.md): Blade · debonded · Feb 2, 2000 · N163BK · Bolkms BK117A3 · Main Rotor Blades > LEADING EDGE SKIN UNDER BONDED PV-FILM IN NOSE AREA TO APPROXIMATELY BLADE STA 922 (SECTION 1) IS DEBONDING ON TRAILING EDGE, BOTH UPPER/LOWER SURFACES. (X) - [SDR 20000720SH014](https://openairdocs.org/sdr/20000720SH014.md): Blade · debonded · Feb 2, 2000 · N163BK · Bolkms BK117A3 · Main Rotor Blades > LEADING EDGE SKIN UNDER BONDED PV-FILM IN NOSE AREA TO APPROX BLADE STA 922 (SECTION 1) IS DEBONDING ON TRAILING EDGE, BOTH UPPER/LOWER SURFACES. (X) - [SDR 2000ZZZX778](https://openairdocs.org/sdr/2000ZZZX778.md): Tube · leaking · Nov 19, 1999 · N163BK · Bolkms BK117A3 · Engine Fuel Distribution > TUBE LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR 2000ZZZX777](https://openairdocs.org/sdr/2000ZZZX777.md): Combustion Chamb · damaged · Nov 19, 1999 · N163BK · Bolkms BK117A3 · Turbine Engine Combustion Section > EXCESSIVE BURN IN SOME AREAS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR 2000ZZZX751](https://openairdocs.org/sdr/2000ZZZX751.md): Seal · leaking · Nov 19, 1999 · N163BK · Bolkms BK117A3 · Turbine Engine Combustion Section > SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR 99ZZZX4074](https://openairdocs.org/sdr/99ZZZX4074.md): Lead · worn · Aug 27, 1999 · N163BK · Bolkms BK117A3 · Ignition Harness (Distribution) > LEAD WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR 99ZZZX774](https://openairdocs.org/sdr/99ZZZX774.md): Tail Pipe · warped · Nov 9, 1998 · N163BK · Bolkms BK117A3 · Engine Collector/Tailpipe/Nozzle > TAIL PIPE HAS EXCESSIVE WARPAGE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR 99ZZZX840](https://openairdocs.org/sdr/99ZZZX840.md): Switch · inoperative · Sep 24, 1998 · N163BK · Bolkms BK117A3 · Rotor Drive Indicating System > THERMO SWITCH UNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR 99ZZZX771](https://openairdocs.org/sdr/99ZZZX771.md): Sensor · inoperative · Sep 24, 1998 · N163BK · Bolkms BK117A3 · Engine Oil Pressure > SENSOR UNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR 99ZZZX212](https://openairdocs.org/sdr/99ZZZX212.md): Control Unit · failed · Mar 9, 1998 · N163BK · Bolkms BK117A3 · Exterior Lighting > CONTROL UNIT FOR EXTERNAL LIGHTS HAS INTERNAL SHORT. TRIPPED CIRCUIT BREAKERS UPON INSTALLATION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR 98ZZZX1796](https://openairdocs.org/sdr/98ZZZX1796.md): Bearing · worn · Jan 26, 1998 · N163BK · Bolkms BK117A3 · Tail Rotor Head > BEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM. - [SDR 98ZZZX1356](https://openairdocs.org/sdr/98ZZZX1356.md): Blade · defective · Jan 26, 1998 · N163BK · Bolkms BK117A3 · Tail Rotor Blades > T/R BLADE PAINT BEGINNING TO PEEL. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR 98ZZZX1355](https://openairdocs.org/sdr/98ZZZX1355.md): Blade · defective · Jan 26, 1998 · N163BK · Bolkms BK117A3 · Tail Rotor Blades > T/R BLADE PAINT BEGINNING TO PEEL. 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 = 'N163BK' AND deregistration_id = 'N163BK-2015-12-07' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N163BK-2015-12-07/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.