# Service difficulty reports: N117M, cancelled Feb 22, 2013 A list on [N117M, cancelled Feb 22, 2013](https://openairdocs.org/deregistered/N117M-2013-02-22.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR RMXA091420097023](https://openairdocs.org/sdr/RMXA091420097023.md): Keelbeam · corroded · Sep 11, 2009 · N117M · Bolkms BK117A3 · Fuselage Main, Keel > DURING OTHER UNSCHEDULED MX, CORROSION WAS DISCOVERED ON BOTH FUSELAGE KEEL BEAM CAPS; PN 117-21303-05. A REPAIR SCHEME WAS REQUESTED AND RECEIVED FROM THE MFG. CORRODED AREAS OF THE KEEL BEAM CAPS WILL BE REMOVED AND REPAIR SPLICES INSTALLED. - [SDR TI1R001463](https://openairdocs.org/sdr/TI1R001463.md): Transmitter · shorted · May 15, 2001 · N117M · Bolkms BK117A1 · Main Rotor Indicating System > TORQUE TRANSMITTER - POPS CIRCUIT BREAKER. REMOVED AND REPLACED. - [SDR TI1R001462](https://openairdocs.org/sdr/TI1R001462.md): Indicator · shorted · May 15, 2001 · N117M · Bolkms BK117A1 · Main Rotor Indicating System > MAST MOMENT INDICATOR - POPS CIRCUIT BREAKER. REMOVED AND REPLACED. - [SDR 20000413SH018](https://openairdocs.org/sdr/20000413SH018.md): Pump · worn · Feb 3, 2000 · N117M · Bolkms BK117A1 · Hydraulic Pump (Electric/Engine), Main > SPLINES ON HYDRAULIC PUMP WORN. REMOVED AND REPLACED. (X) - [SDR 20000406SH019](https://openairdocs.org/sdr/20000406SH019.md): Indicator · intermittent · Dec 22, 1999 · N117M · Bolkms BK117A1 · Engine RPM Indicating System > ROTOR NEEDLE DROPS INTERMITTENTLY. (X) - [SDR 99ZZZX3282](https://openairdocs.org/sdr/99ZZZX3282.md): Bearing · cracked · Aug 3, 1999 · N117M · Bolkms BK117A1 · Main Rotor Mast/Swashplate > DURING A MAST NUT TORQUE CHECK, A MECHANIC NOTICED EXCESSIVE AXIAL PLAY IN MAIN ROTOR MAST. UPON MEASURING PLAY, IT WAS FOUND TO BE OUT OF LIMITS AND TRANSMISSION WAS SENT TO OVERHAUL SHOP FOR EVALUATION. TRANSMISSION WAS INSPECTED AND THIS BALLBEARING WAS F - [SDR 99ZZZX2864](https://openairdocs.org/sdr/99ZZZX2864.md): Indicator · intermittent · Feb 12, 1999 · N117M · Bolkms BK117A1 · Engine RPM Indicating System > ENGINE N1 INDICATOR NEEDLE DROPS OFF INTERMITTENTLY. REMOVED AND REPLACED. - [SDR 99ZZZX1281](https://openairdocs.org/sdr/99ZZZX1281.md): Rotor Assy · defective · Sep 28, 1998 · N117M · Bolkms BK117A1 · Turbine Section > POSSIBLY IMBALANCE OF ROTOR. C/W SB 0192. REMOVED AND REPLACED. - [SDR 98ZZZX1772](https://openairdocs.org/sdr/98ZZZX1772.md): Indicator · failed · Apr 1, 1998 · N117M · Bolkms BK117A1 · Engine RPM Indicating System > NG INDICATOR INTERMITTENT OPERATION. AT TIMES, WILL NOT MOVE OFF ZERO. REMOVED AND REPLACED. - [SDR 98ZZZX950](https://openairdocs.org/sdr/98ZZZX950.md): Indicator · failed · Jan 29, 1998 · N117M · Bolkms BK117A1 · Visual Omnirange (VOR) System > RMI INDICATOR 'OFF' FLAG WILL NOT STOW. REMOVED AND REPLACED. - [SDR 98ZZZX571](https://openairdocs.org/sdr/98ZZZX571.md): Manifold · leaks · Jul 30, 1997 · N117M · Bolkms BK117A4 · Engine Fuel Distribution > SUBMITTER STATES EXCESSIVE FUEL MANIFOLD LEAKS OVER THE LAST 18 MONTHS. ALLIED SIGNAL IS IN THE PROCESS OF RELEASING AN ASB LIMITING THE LIFE OF THE FUEL MANIFOLD TUBES. OTHER OPERATORS SUBMITTER CONTACTED ARE HAVING THE SAME PROBLEMS. OMNIFLIGHT HAS GONE T - [SDR 98ZZZX581](https://openairdocs.org/sdr/98ZZZX581.md): Manifold · leaks · Jan 23, 1997 · N117M · Bolkms BK117A4 · Engine Fuel Distribution > SUBMITTER STATES EXCESSIVE FUEL MANIFOLD LEAKS OVER THE LAST 18 MONTHS. ALLIED SIGNAL IS IN THE PROCESS OF RELEASING AN ASB LIMITING THE LIFE OF THE FUEL MANIFOLD TUBES. OTHER OPERATORS SUBMITTER CONTACTED ARE HAVING THE SAME PROBLEMS. OMNIFLIGHT HAS GONE T - [SDR 98ZZZX580](https://openairdocs.org/sdr/98ZZZX580.md): Manifold · leaks · Jan 23, 1997 · N117M · Bolkms BK117A4 · Engine Fuel Distribution > SUBMITTER STATES EXCESSIVE FUEL MANIFOLD LEAKS OVER THE LAST 18 MONTHS. ALLIED SIGNAL IS IN THE PROCESS OF RELEASING AN ASB LIMITING THE LIFE OF THE FUEL MANIFOLD TUBES. OTHER OPERATORS SUBMITTER CONTACTED ARE HAVING THE SAME PROBLEMS. OMNIFLIGHT HAS GONE T - [SDR 96ZZZX5696](https://openairdocs.org/sdr/96ZZZX5696.md): Bevel Gearshaft · defective · Sep 27, 1996 · N117M · Bolkms BK117A1 · Tail Rotor Gearbox > UNABLE TO GET CORRECT CONTACT PATTERN. ONLY A SPLIT CONTACT PATTERN. - [SDR 96ZZZX5695](https://openairdocs.org/sdr/96ZZZX5695.md): Bevel Gear · defective · Sep 27, 1996 · N117M · Bolkms BK117A1 · Tail Rotor Gearbox > UNABLE TO GET CORRECT CONTACT PATTERN. ONLY A SPLIT PATTERN. - [SDR 96ZZZX5694](https://openairdocs.org/sdr/96ZZZX5694.md): Actuator · leaking · Sep 20, 1996 · N117M · Bolkms BK117A1 · Tail Rotor Control System > ACTUATOR EXCESSIVE LEAKAGE. - [SDR 96ZZZX4769](https://openairdocs.org/sdr/96ZZZX4769.md): Transceiver · failed · Jul 16, 1996 · N117M · Bolkms BK117A1 · VHF Communications System > INSTALLED UNIT, TURNED ON POWER, CONTROL HEAD GUARD INDICATOR LIGHTS ILLUMINATED, AND STAYED LIT EVEN WITH NO GUARD MODULE INSTALLED. - [SDR 96ZZZX435](https://openairdocs.org/sdr/96ZZZX435.md): Bushing · worn · Dec 13, 1995 · N117M · Bolkms BK117A3 · Tail Rotor Blades > WORN BUSHING AND WORN FIBER SEAL. REMOVED AND REPLACED. - [SDR 95ZZZX5050](https://openairdocs.org/sdr/95ZZZX5050.md): Switch · inoperative · Aug 10, 1995 · N117M · Bolkms BK117A3 · Exterior Lighting > SEARCH LIGHT SWITCH INOPERATIVE (IN THE EXTEND POSITION). REMOVED AND REPLACED. - [SDR 95ZZZX5049](https://openairdocs.org/sdr/95ZZZX5049.md): Blade · eroded · Jul 3, 1995 · N117M · Bolkms BK117A3 · Tail Rotor Blades > BLADE LEADING EDGE ERODED. - [SDR 95ZZZX3103](https://openairdocs.org/sdr/95ZZZX3103.md): Indicator · malfunction · Apr 25, 1995 · N117M · Bolkms BK117A3 · Fuel Quantity Indicator > NR 1 SUPPLY NEEDLE DROPPED TO ZERO THEN CAME BACK UP. SAME PROBLEM AS BEFORE. WAS TESTED AND NO MALFUNCTION NOTED, BUT HERE IT IS AGAIN FAILED AFTER ONLY 12 DAYS SINCE DIAGNOSIS. - [SDR 95ZZZX2558](https://openairdocs.org/sdr/95ZZZX2558.md): Bellcrank · worn bearing · Mar 21, 1995 · N117M · Bolkms BK117A3 · Tail Rotor Control System > BEARING WORN, SMALL HOLE. REMOVED AND REPLACED. ## 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 = 'N117M' AND deregistration_id = 'N117M-2013-02-22' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N117M-2013-02-22/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.