# Service difficulty reports: Eurocopter BK117-B2

A list on [Eurocopter BK117-B2](https://openairdocs.org/model/eurocopter-bk117-b2.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 9 · 435 reports

- [SDR QMLA2026100520075](https://openairdocs.org/sdr/QMLA2026100520075.md): Fuel Cap · loose · Oct 4, 2026 · N64UP · Bolkms BK117B2 · Fuel Storage
  > FUEL ODOR CLIMBING OUT OF AIRPORT. AFTER AN IMMEDIATE RETURN TO THE AIRPORT THE IT WAS CONFIRMED THAT THE FUEL CAP WAS SECURELY LOCKED, HOWEVER FUEL WAS VISIBLE AROUND THE EDGE OF THE CAP AND ON THE AIRFRAME. A CLOSER INSPECTION OF THE CAP SHOWED THAT, ALTHOUG
- [SDR QMLA2025010820045](https://openairdocs.org/sdr/QMLA2025010820045.md): Skin · cracked · Mar 15, 2025 · N880SL · Bolkms BK117B2 · Rotorcraft Tail Boom
  > DURING INSPECTION FOUND 2 CRACKS IN THE TOP SKIN OF THE TAILBOOM.
- [SDR QMLA2024042520042](https://openairdocs.org/sdr/QMLA2024042520042.md): Fuel Cap · loose · Apr 25, 2024 · N64UP · Bolkms BK117B2 · Fuel Storage
  > DURING TAKEOFF AND CLIMB, CREW NOTICED A FUEL SMELL AS WELL AS FUEL ON THE CLAMSHELL DOOR WINDOWS AND TAILBOOM SECTION. AIRCRAFT RETURNED TO THE AIRPORT FOR FURTHER INSPECTION. SUPPLEMENTAL INFORMATION RESEATED FUEL CAP, UNABLE TO DUPLICATE THE ISSUE.
- [SDR QMLA2024022520042](https://openairdocs.org/sdr/QMLA2024022520042.md): Unknown · odor · Apr 25, 2024 · N64UP · Bolkms BK117B2 · Air Distribution System
  > DURING TAKEOFF AND CLIMB, CREW NOTICED A FUEL SMELL AS WELL AS FUEL ON THE CLAMSHELL DOOR WINDOWS AND TAIL BOOM SECTION. AIRCRAFT RETURNED TO THE AIRPORT FOR FURTHER INSPECTION.
- [SDR QMLA2024030520030](https://openairdocs.org/sdr/QMLA2024030520030.md): Frame · cracked · Mar 5, 2024 · N880SL · Bolkms BK117B2 · Fuselage Main, Frame
  > DURING SCHEDULED INSPECTION FOUND CRACK IN 11L FRAME IN TAIL BOOM AT THE 8 O'CLOCK POSITION, 31MM LONG.
- [SDR QMLA2023052620040](https://openairdocs.org/sdr/QMLA2023052620040.md): Tail Boom · cracked · May 8, 2023 · N880SL · Bolkms BK117B2 · Rotorcraft Tail Boom
  > DURING VISUAL INSPECTIONS FOUND A CRACK AT THE 0900 O'CLOCK POSITION ON THE 11L FRAME OF THE TAIL BOOM. DURING DISASSEMBLY AND FURTHER INSPECTION FOUND CHAFE DAMAGE AT THE 0300 O'CLOCK POSITION ON THE 11L FRAME AND ALSO A CRACK ON THE SPAR ABOVE THE 10L FRAME
- [SDR QMLA20220202006](https://openairdocs.org/sdr/QMLA20220202006.md): Unknown · odor · Jan 20, 2022 · N880SL · Bolkms BK117B2 · Heating System
  > UPON STARTUP OF #1 ENGINE PILOT & CREW NOTICED AN UNUSUAL BURNING SMELL IN THE COCKPIT/CABIN OF THE AIRCRAFT. VERIFICATION THAT THE SMELL WASN'T COMING FROM OUTSIDE THE AIRCRAFT WAS CONFIRMED AND ENGINE WAS SHUT DOWN. THE SMELL WAS DESCRIBED AS POSSIBLE HOT PL
- [SDR QMLA2021101120051](https://openairdocs.org/sdr/QMLA2021101120051.md): Tail Boom · cracked · Sep 20, 2021 · N250KF · Bolkms BK117B2 · Fuselage Structure (General)
  > FOUND 16MM CRACK IN L/H SIDE OF TAIL ROTOR GEARBOX MOUNTING ACCESS HOLE ON TAILBOOM VERTCAL FIN
- [SDR CA190521024](https://openairdocs.org/sdr/CA190521024.md): Chip Detector · activated · Apr 29, 2019 · Bolkms BK117B2 · Engine (Turbine/Turboprop)
  > (CAN) THE CREW WAS JUST FINISHING UP THE COLLECTIVE PITCH STOP CHECK WHEN ENG #2 CHIP ILLUMINATED. CONDUCTED THE ENG CHIP PROCEDURE AS LISTED IN THE QRH. CHIP DID NOT CLEAR AFTER FIRST ATTEMPT OF PULSE CHIP DETECTOR SYSTEM. ADVISED ATC OF SITUATION AND REQUEST
- [SDR HDNA2019013100001](https://openairdocs.org/sdr/HDNA2019013100001.md): Wire Harness · shorted · Jan 30, 2019 · N317UH · Bolkms BK117B2 · Engine Bleed Air System Wiring
  > DURING CRUISE FLIGHT PILOT NOTICED MASTER CAUTION FLICKERING, DETERMINED IT WAS "ENG 1 LOW" LIGHT FLICKERING, BOTH ENG INDICATIONS SOLID, NO OTHER INDICATION NOTICED, DECIDED TO DO A PRECAUTIONARY LANDING AT BASE, LIGHT STOPPED FLICKERING AT APPROX 70 KNOTS, A
- [SDR QMLA2018081618097](https://openairdocs.org/sdr/QMLA2018081618097.md): Mount · cracked · Aug 16, 2018 · N270SL · Bolkms BK117B2 · Rotorcraft Tail Boom
  > DURING A PREFLIGHT, A CRACK WAS NOTICED NEAR UPPER LEFT CORNER OF TAIL ROTOR GEARBOX MOUNTING PAD. INVESTIGATED A POSSIBLE CRACK AND CLEANED AREA OF PAINT. INSPECTED THE UNDERSIDE OF THE MOUNTING PAD. AFTER CLEANING AND REMOVING PAINT A LARGE NOTICEABLE CR
- [SDR QMLA2018030418028](https://openairdocs.org/sdr/QMLA2018030418028.md): Cyclic Control · malfunctioned · Mar 4, 2018 · N1174U · Bolkms BK117B2 · Main Rotor Control
  > PILOT CLAIMED THAT IN LEVEL FLIGHT THE CYCLIC FLIGHT CONTROL WOULD NOT MOVE MORE THAN AN INCH IN ANY DIRECTION. TRIED SYSTEM 2 AND HAD THE SAME BLOCKAGE AND WENT BACK TO SYSTEM 1. NOTED TO ME THAT THE COLLECTIVE AND YAW WAS ACTING NORMAL ONLY THE CYCLIC HAD
- [SDR QMLA2018022718023](https://openairdocs.org/sdr/QMLA2018022718023.md): Gearbox · cracked · Feb 26, 2018 · N270SL · Bolkms BK117B2 · Tail Rotor Gearbox
  > THIS AIRCRAFT REMAINS OUT OF SERVICE AT THE TIME OF THIS SUBMISSION. THE AFT VERTICAL FIN SPAR WAS CLEANED TO PERFORM AD 1998-24-13. THE FOLLOWING DAY A VERY SMALL SPOT OF OIL WAS NOTICED ON THE SPAR BELOW THE LEFT SIDE OF THE T/R GEARBOX. THE GEARBOX WAS REMO
- [SDR QMLA2018022618022](https://openairdocs.org/sdr/QMLA2018022618022.md): Mount · cracked · Feb 26, 2018 · N270SL · Bolkms BK117B2 · Fuselage Main, Attach Fittings
  > THIS AIRCRAFT REMAINS OUT OF SERVICE AT THE TIME OF THIS SUBMISSION. TOP FWD ECU MOUNT TOP FIVE RIVETS SHEARED AND GUSSET CRACKED. TOP AFT MOUNT AND GUSSET FOUND ATTACHED WITH 6/32 SCREWS AND NUTPLATES, RUBBER SHIMS FOUND UNDER THE MOUNT, AND TWO SCREWS SHEARE
- [SDR QMLA2018022618021](https://openairdocs.org/sdr/QMLA2018022618021.md): Frame · cracked · Feb 26, 2018 · N270SL · Bolkms BK117B2 · Fuselage Main, Structure
  > WHILE COMPLETING THE A 2710 1800 HOUR INSPECTION, THE CABIN OVERHEAD CROSS FRAMES, BOTH WERE FOUND CRACKED ON THE LEFT SIDE END FLANGE AREA. THE FWD FRAME FOUND CRACKED IN THE LOWER ATTACH FLANGE BEND RADII AND THE AFT FRAME FLANGE FOUND CRACKED AT THE LOWER
- [SDR QMLA2017101717112](https://openairdocs.org/sdr/QMLA2017101717112.md): Fire Warning · false activation · Oct 17, 2017 · N345K · Bolkms BK117B2 · Fire Detection
  > HEARD A SINGLE CHIME. 2 MINUTES LATER, THE CHIME RETURNED CONSTANTLY. THE NR 2 ENGINE FIRE LIGHT WAS ILLUMINATED. CHECKED INDICATIONS, STARTED A TURN AND STARTED TO SLOW DOWN. THE TURN WAS TO CHECK FOR SMOKE. NO SMOKE. AFTER ABOUT 30 SECONDS THE CHIME STOPPED
- [SDR QMLA2017101117106](https://openairdocs.org/sdr/QMLA2017101117106.md): Blade · cracked · Oct 11, 2017 · N270SL · Bolkms BK117B2 · Main Rotor Blades
  > CRACK IN THE INBOARD LEADING EDGE EROSION PROTECTIVE SHELL AT THE SPLICE JOINT, UNDER THE PU TAPE. THIS WAS FOUND DURING A SCHEDULED MAINTENANCE EVENT. THE AIRCRAFT REMAINS OUT OF SERVICE AT THE TIME OF THIS SUBMISSION AWAITING REPLACEMENT MAIN ROTOR BLADES.
- [SDR QMLA2017091817094](https://openairdocs.org/sdr/QMLA2017091817094.md): Engine · making metal · Sep 18, 2017 · N64UP · Bolkms BK117B2 · Engine (Turbine/Turboprop)
  > DURING CRUISE FLIGHT, THE NR 2 ENGINE CHIP LIGHT ILLUMINATED ALONG WITH MASTER CAUTION LIGHT. ATTEMPTED TO BURN CHIP IAW RFM AND CHIP DID NOT BURN. ABORTED FLIGHT, DECLARED AN EMERGENCY. PLACED THE NR 2 ENGINE TO GROUND POSITION. NO OTHER ABNORMAL INDICATIO
- [SDR QMLA2017030317024](https://openairdocs.org/sdr/QMLA2017030317024.md): Governor · out of adjust · Mar 3, 2017 · N355AM · Bolkms BK117B2 · Turbine Governor
  > AFTER TAKEOFF AND BEFORE REACHING CRUISE ALTITUDE, THE PILOT NOTICED THE ROTOR RPM AND ENGINE NR 1 N2 WERE ON THE HIGH SIDE (RED LINE) AND ENGINE NR 2 N2 WAS IN THE GREEN ARC. ATTEMPTED TO LOWER THE RPM'S BY USING THE BEEP TRIM SWITCH, BUT COULDN'T GET THE RPM
- [SDR QMLA2017022217021](https://openairdocs.org/sdr/QMLA2017022217021.md): Splice · cracked · Feb 22, 2017 · N154AM · Bolkms BK117B2 · Rotorcraft Tail Boom
  > CRACK FOUND IN SPLICE WHILE PERFORMING SCHEDULED MAINTENANCE ON AIRCRAFT. NO EVIDENCE OF ANY NICKS OR DAMAGE THAT MIGHT HAVE CAUSED CRACK. SUSPECT CRACK WAS CAUSED BY FATIGUE.
- [SDR HDNA724312160001](https://openairdocs.org/sdr/HDNA724312160001.md): Wire · unsecure · Dec 29, 2016 · Bolkms BK117B2 · Fire Protection System Wiring
  > ON STARTUP, THE NR 2 ENGINE FIRE LIGHT FLICKERED. TECHNICIAN FOUND WIRE 2WC2A20 AT PIN C ON WARNING LIGHT UNIT. REPOSITIONED AND SECURED WIRE AT WARNING LIGHT UNIT, PERFORMED FUNCTIONAL TEST IAW MM-92-116, 92-119. NO FURTHER DEFECTS NOTED.
- [SDR QMLA2016120616138](https://openairdocs.org/sdr/QMLA2016120616138.md): Gearbox · making metal · Dec 6, 2016 · N64UP · Bolkms BK117B2 · Tail Rotor Gearbox
  > DURING RUN UP OF AIRCRAFT FOR A FLIGHT, TAIL ROTOR CHIP LIGHT ILLUMINATED. PILOT ABORTED TAKEOFF AND CALLED MECHANIC. MECHANICS INSPECTION OF TAIL ROTOR CHIP DETECTOR REVEALED A 3MM METAL CHIP IDENTIFIED AS CATEGORY E INDICATING A SIGNIFICANT FAILURE.
- [SDR 3D9A2016102500007](https://openairdocs.org/sdr/3D9A2016102500007.md): Connector · dirty · Oct 24, 2016 · N401MF · Bolkms BK117B2 · Main Rotor Drive System Wiring
  > MAIN TRANSMISSION NR 1 OIL PRESSURE IN YELLOW, WITH NO WARNING LIGHT. RETURNED TO BASE. CLEANED THE CONNECTOR ON THE NR 1 OIL PRESSURE TRANSDUCER. OPS CHECKED GOOD DURING GROUND RUN.
- [SDR QMLA2016100316114](https://openairdocs.org/sdr/QMLA2016100316114.md): Fire Warning · illuminated · Oct 3, 2016 · N117MK · Bolkms BK117B2 · Fire Detection
  > NR 2 ENGINE FIRE LIGHT ILLUMINATED.
- [SDR QMLA2016092116107](https://openairdocs.org/sdr/QMLA2016092116107.md): Frame · cracked · Sep 21, 2016 · N238BK · Bolkms BK117B2 · Rotorcraft Tail Boom
  > DURING AIRFRAME ZONE 6 INSPECTION, A SMALL CRACK WAS DISCOVERED IN THE TAILBOOM AFT FRAME. CRACK IS LOCATED ON THE RIGHT SIDE AT THE SMALL LIGHTENING HOLE AND IS APPROX 1/4 INCH IN LENGTH PROPAGATING HORIZONTALLY THROUGH THE LIGHTENING HOLE
- [SDR QMLA2016090416102](https://openairdocs.org/sdr/QMLA2016090416102.md): Warning Light · intermittent · Sep 4, 2016 · N117MK · Bolkms BK117B2 · Fire Detection
  > NR 2 ENGINE FIRE LIGHT ILLUMINATED INTERMITTENTLY.
- [SDR QMLA2016080516090](https://openairdocs.org/sdr/QMLA2016080516090.md): Gearbox · making metal · Aug 5, 2016 · N154AM · Bolkms BK117B2 · Tail Rotor Gearbox
  > WHILE PERFORMING SCHEDULED INSPECTION. DISCOVERED FOUR SMALL METAL FLAKES ON INTERMEDIATE GEARBOX CHIP DETECTOR. NOT NUMEROUS OR LARGE ENOUGH TO CAUSE A CAUTION LIGHT TO ILLUMINATE. NO METAL DEBRIS ALLOWED IAW MAINTENANCE MANUAL. GEARBOX REMOVED FROM AIRC
- [SDR QMLA2016052816056](https://openairdocs.org/sdr/QMLA2016052816056.md): Wheel · seized · May 28, 2016 · N355AM · Bolkms BK117B2 · Cabin Cooling System
  > AFTER COMPLETING PATIENT TRANSFER & APPROX 10 MINUTES FROM BASE, ACFT AC UNIT WAS TURNED ON. IMMEDIATELY A PECULIAR SMELL WAS NOTICED BY CREW, IN THE AFT CABIN. AC UNIT WAS TURNED OFF & THE SMELL STOPPED. LANDED AT BASE & NOTIFIED MECHANIC.
- [SDR QMLA201602216009](https://openairdocs.org/sdr/QMLA201602216009.md): Drain Valve · failed · Feb 22, 2016 · N64UP · Bolkms BK117B2 · Aircraft Fuel System
  > AFTER TAKEOFF, NURSE IN THE BACK THOUGHT SHE SMELLED FUEL FUMES. LANDED AT NEAREST AVAILABLE SITE, AIRPORT, WITHOUT FURTHER INCIDENT..
- [SDR HDNA201511030001](https://openairdocs.org/sdr/HDNA201511030001.md): Skin · cracked · Nov 3, 2015 · N317UH · Bolkms BK117B2 · Rotorcraft Tail Boom
  > TAIL BOOM LT SIDE, JUST ABOVE THE LE OF HORIZONTAL STABILIZER CRACKED IN STIFFENER. UPON REMOVAL OF STIFFENER PN 117-30252.17 FOUND 4 ADDITIONAL CRACKS IN TAIL BOOM SKIN AROUND HORIZONTAL STABILIZER CUT OUT. TAIL BOOM BEING SHIPPED FOR REPAIR.
- [SDR QMLA2015100815094](https://openairdocs.org/sdr/QMLA2015100815094.md): Radio · fire · Oct 8, 2015 · N911SM · Bolkms BK117B2 · VHF Communications System
  > AT APPROX 1539 HOURS ON OCTOBER 8TH 2015 ACFT EXPERIENCED AN ELEC MALFUNCTION WHICH PRODUCED SMOKE IN THE COCKPIT, NR 1 VHF RADIO FAILED. IMMEDIATELY NOTICED AN ACRID SMELL IN THE COCKPIT, BEGAN TO TURN AROUND IN AN ATTEMPT TO RETURN TO BASE, WHEN OBSERVED A
- [SDR 3D9A2015091200006](https://openairdocs.org/sdr/3D9A2015091200006.md): Engine · making metal · Sep 12, 2015 · N401DC · Bolkms BK117B2 · Engine (Turbine/Turboprop)
  > NR 1 ENGINE CHIP LIGHT ILLUMINATED IN FLIGHT. MADE PRECAUTIONARY LANDING. DISCOVERED SMALL SLIVER ON REAR BEARING SUPPORT HOUSING CHIP DETECTOR. CATEGORIZED AND TYPED AS MINOR FUZZ IAW LTS101-750B-1, MM 72-00-00 PARA 20 C & D. RETURNED TO SERVICE IAW MFG, L
- [SDR QMLA2015082715078](https://openairdocs.org/sdr/QMLA2015082715078.md): Support · cracked · Aug 27, 2015 · N64UP · Bolkms BK117B2 · Fuselage Miscellaneous Structure
  > WHILE COMPLETING TASK 26A0337-35, 12 MONTH TAIL CONE, WORN SKIN REPAIR, FOUND A CRACK ON THE FWD ECU MOUNT'S FWD SUPPORT. THE CRACK STARTS AT THE TOP OF THE SUPPORT & TERMINATES AT THE LOWER RIVET.
- [SDR QMLA2015081115069](https://openairdocs.org/sdr/QMLA2015081115069.md): O-Ring · not seated · Aug 11, 2015 · N880SL · Bolkms BK117B2 · Fuel Storage
  > FOUND FUEL CAP ORING HAD ROLLED OFF OF ITS SEAT, RESEATED ORING & FITTED FUEL CAP. COMPLETED MX FLIGHT, FUEL CAP LEAK CHECKED GOOD.
- [SDR QMLA2015070315057](https://openairdocs.org/sdr/QMLA2015070315057.md): Fire Detector · faulty · Jul 3, 2015 · N880SL · Bolkms BK117B2 · Fire Detection
  > PILOT NOTED ENG FIRE INDICATION, FOUND FALSE INDICATION DUE TO FAULTY FIRE DETECTOR. PILOT ALSO REPORTED FIRING NR 1 FIRE BOTTLE, INSPECTION REVEALED THAT THE FIRE BOTTLE DID NOT DISCHARGE. INSPECTION OF FIRE EXTINGUISHING SYS REVEALED NO DEFECTS.
- [SDR 3D9A2015062400005](https://openairdocs.org/sdr/3D9A2015062400005.md): Connector · dirty · Jun 24, 2015 · N401DC · Bolkms BK117B2 · Engine Oil System Wiring
  > NUMBER 1 ENG OIL PRESSURE GAUGE WENT TO 0 BAR INDICATION, WITH NO CORRESPONDING WARNING LIGHT. RETURNED TO BASE. CLEANED PRESSURE TRANSDUCER CONNECTOR. OPERATIONS CHECKED NORMAL DURING GND RUN.
- [SDR CA150420006](https://openairdocs.org/sdr/CA150420006.md): Engine · malfunctioned · Apr 7, 2015 · Bolkms BK117B2 · Engine (Turbine/Turboprop)
  > (CAN) DURING AN AUTOROTATION FOR INITIAL PILOT TRAINING BOTH ENGINES THROTTLES WERE RETARDED TO IDLE. IMMEDIATELY FOLLOWING THE AUTOROTATION ENTRY NR 2 ENGINE N2 WAS SEEN DECREASING THROUGH 60 PERCENT AND N1 WAS NEAR 40 PERCENT. AN OVERSHOOT WAS COMMENCED WI
- [SDR 3D9A201502200004](https://openairdocs.org/sdr/3D9A201502200004.md): Doubler · cracked · Feb 20, 2015 · N401DC · Bolkms BK117B2 · Rotorcraft Tail Boom
  > DURING DAILY PREFLIGHT CHECK, FOUND A 55 MM CRACK ON LEFT HAND TAIL BOOM TO VERTICAL FIN DOUBLER.
- [SDR CA150118002](https://openairdocs.org/sdr/CA150118002.md): Antenna · unserviceable · Jan 18, 2015 · Bolkms BK117B2 · Emergency Locator Beacon
  > (CAN) DURING A DAILY INSPECTION THE ELT ANTENNA P/N ANT-406RW INSTALLED WAS DISCOVERED TO BE LOOSE AROUND THE IT`S BASE. UPON FURTHER INVESTIGATION CRACKS WERE FOUND IN THE ADHESIVE THAT BONDS THE INTERNAL COMPONENTS TO THE BASE. THE ELT HAS BEEN REMOVED.
- [SDR QMLA2015011515005](https://openairdocs.org/sdr/QMLA2015011515005.md): Rail · cracked · Jan 15, 2015 · N117AM · Bolkms BK117B2 · Aerodynamic Fairings
  > WHILE PERFORMING AIRWORTHINESS CHECK FOUND CRACK ON RT SIDE CREST COWL RAIL AFT PORTION, LOOKED ON LT SIDE CREST COWL RAIL & FOUND ANOTHER CRACK.
- [SDR CA150112015](https://openairdocs.org/sdr/CA150112015.md): Mount · cracked · Jan 9, 2015 · Bolkms BK117B2 · Fuselage Main, Plate/Skin
  > (CAN) DURING THE DAILY INSPECTION THE ENGINEER NOTICED WHAT LOOKED LIKE A CRACK ON THE FORWARD VHF ANTENNA BASE MOUNT PROVISIONS. UPON DETAILED INSPECTION IT WAS CONFIRMED CRACKED. THE ANTENNA MOUNTING PROVISIONS WERE INSTALLED IAW DWG 117-882064 AND DRAWING 1
- [SDR 3D9A2014120600001](https://openairdocs.org/sdr/3D9A2014120600001.md): Skin · cracked · Dec 2, 2014 · N401DC · Bolkms BK117B2 · Rotorcraft Tail Boom
  > 0.75 INCH CRACK ON FUSELAGE TAIL CONE SKIN UNDER TOP RIVET OF AFT UPPER ECU MOUNT DISCOVERED DURING 6000 HOUR/6 YEAR INSPECTION.
- [SDR 3D9A20141206003](https://openairdocs.org/sdr/3D9A20141206003.md): Fitting · corroded · Nov 28, 2014 · N401DC · Bolkms BK117B2 · Main Rotor Gearbox
  > CORROSION FOUND UNDER RT LOWER TORQUE MOUNT FITTING ON MAIN TRANSMISSION CASE.
- [SDR 3D9A2014120600002](https://openairdocs.org/sdr/3D9A2014120600002.md): Floor Panel · corroded · Nov 28, 2014 · N401DC · Bolkms BK117B2 · Fuselage Floor Panel
  > CORROSION FOUND ON CABIN FLOOR SKIN AROUND THREADED INSERTS INSTALLED AS PART OF STC SR00346DE.
- [SDR QMLA2014102714127](https://openairdocs.org/sdr/QMLA2014102714127.md): Fire Detector · defective · Oct 27, 2014 · N117AM · Bolkms BK117B2 · Fire Detection
  > THE PILOT NOTED UPON POWER UP THAT THE NR 2 ENG FIRE LIGHT ILLUMINATED DIMLY. TROUBLE SHOT & FOUND A FIRE DETECTOR PROBE TO BE THE CAUSE. THIS FIRE DETECTOR WAS REPLACED & THE ACFT RETURNED TO SERVICE WITH NO ADDITIONAL DEFECTS NOTED.
- [SDR QMLA2014080414098](https://openairdocs.org/sdr/QMLA2014080414098.md): Unknown · odor · Aug 4, 2014 · N164AM · Bolkms BK117B2 · Air Distribution System
  > UPON DEPARTURE, SMELLED FUEL, THOUGHT POSSIBLY FROM VENT DUE TO ACFT BEING TOPPED OFF. UPON TURNING ON AIR CONDITIONER, MED CREW IN COPILOTS SEAT OBSERVED A GRAY MIST FROM THE COPILOT SIDE AIR VENT, INITIALLY PERCEIVED AS SMOKE, BUT WITH AN ENG COMP WASH ODOR
- [SDR QMLA2014080214097](https://openairdocs.org/sdr/QMLA2014080214097.md): Strut · damaged · Aug 2, 2014 · N64UP · Bolkms BK117B2 · Turbine Engine Air Inlet Section
  > DURING A SCHEDULED INSPECTION OF THE COMPRESSOR BLADES, AN INLET HOUSING STRUT ON THE INTAKE WAS FOUND TO HAVE A SMALL CHUNK OF METAL MISSING FROM THE TOP & BOTTOM OF THE STRUT. THIS CHUNK WAS FOUND MISSING IN THE RADIUS OF THE STRUT. THIS ENG WAS REMOVED &
- [SDR QMLA2014072214088](https://openairdocs.org/sdr/QMLA2014072214088.md): Seal · worn · Jul 25, 2014 · N911KD · Bolkms BK117B2 · Main Rotor Gearbox
  > DURING DAILY AIRWORTHINESS CHECK, NOTICED EXCESSIVE NOISE & HORIZONTAL PLAY IN M/R MAST AT TRANSMISSION UPPER BEARING AREA WHEN SHAKING M/R BLADES. DURING INVESTIGATION OF THE MAST AFTER REMOVAL, EXCESSIVE WEAR WAS EVIDENT AT THE UPPER SEAL RUNNER & WEAR INDI
- [SDR CA140619011](https://openairdocs.org/sdr/CA140619011.md): Blade · cracked · Jun 19, 2014 · Bolkms BK117B2 · Tail Rotor Blades
  > (CAN) DURING A DAILY INSPECTION OF THE T/R BLADES IT WAS NOTED THAT A HAIR LINE CRACK WAS VISBLE NEAR THE ROOT OF THE BLADE S/N 393. UPON FURTHER INVESTIGATION USING A 10X MAGIFIER THE CRACK SPAND THE CORD LENGTH OF THE BLADE. THE AIRCRAFT WAS REMOVED FROM SER
- [SDR 15MA20140330001](https://openairdocs.org/sdr/15MA20140330001.md): Probe · false indication · Mar 30, 2014 · N217M · Bolkms BK117B2 · Fire Detection
  > UPON TAKEOFF, FIRE INDICATION ON NR 1 ENGINE FLICKERED ON AND OFF FOR 5-10 SECONDS, PILOT TURNED AND LANDED, FIRE INDICATION GONE UPON LANDING, LANDED WITHOUT INCIDENT, TROUBLESHOOTING INDICATED LOWER AFT FIRE DETECTION PROBE CREATED WARNING PREMATURELY, REPLA

Next page: https://openairdocs.org/model/eurocopter-bk117-b2/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 aircraft_model_key = 'BK117B2'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/eurocopter-bk117-b2/reports

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