# Service difficulty reports: N624MB, cancelled May 17, 2013 A list on [N624MB, cancelled May 17, 2013](https://openairdocs.org/deregistered/N624MB-2013-05-17.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR HEEA062917](https://openairdocs.org/sdr/HEEA062917.md): Power Supply · failed · Jul 13, 1999 · N624MB · Bolkms BO105S · Passenger Compartment Lighting > POWER UNIT BLOWS FUSE. - [SDR HEEA061797](https://openairdocs.org/sdr/HEEA061797.md): Transducer · reads high · Apr 6, 1999 · N624MB · Bolkms BO105S · Fuel Pressure Indicator > TRANSDUCER INDICATES HIGH OIL PRESSURE. - [SDR HEEA060232](https://openairdocs.org/sdr/HEEA060232.md): Transceiver · malfunctioned · Jan 22, 1999 · N624MB · Bolkms BO105S · VHF Communications System > FREQUENCY GOES TO 120.00 MHZ WHEN POWER IS CYCLED. - [SDR HEEA0016727](https://openairdocs.org/sdr/HEEA0016727.md): Regulator · failed · Nov 6, 1998 · N624MB · Bolkms BO105S · AC Regulator > GENERATOR WILL NOT COME ON-LINE. - [SDR HEEA0016705](https://openairdocs.org/sdr/HEEA0016705.md): Indicator · sticking · Nov 6, 1998 · N624MB · Bolkms BO105S · Engine RPM Indicating System > OIL INDICATION'S NR 2 NEEDLE INTERMITTENTLY STICKS ON ZERO. - [SDR HEEA0016700](https://openairdocs.org/sdr/HEEA0016700.md): Oil Cooler · leaking · Nov 6, 1998 · N624MB · Bolkms BO105S · Engine Oil Cooler > OIL COOLER LEAKING FROM CENTER OF COOLER ASSY. - [SDR HEEA0015917](https://openairdocs.org/sdr/HEEA0015917.md): Transducer · failed · Aug 28, 1998 · N624MB · Bolkms BO105S · Fuel Pressure Indicator > NO OIL PRESSURE READING ON ENGINE. - [SDR HEEA0014177](https://openairdocs.org/sdr/HEEA0014177.md): Gps · failed · May 12, 1998 · N624MB · Bolkms BO105S · Global Positioning System > GPS INOPERATIVE. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT HAS BURNT PANEL LIGHTS. TIME SINCE REPAIR 100:30. - [SDR HEEA0013737](https://openairdocs.org/sdr/HEEA0013737.md): Indicator · sticks · Apr 2, 1998 · N624MB · Bolkms BO105S · Engine EGT/TIT Indicating System > EXH TEMP NEEDLE STICKS ON HIGH SIDE. - [SDR HEEA0013595](https://openairdocs.org/sdr/HEEA0013595.md): Indicator · failed · Mar 26, 1998 · N624MB · Bolkms BO105S · Engine RPM Indicating System > NR2 NEEDLE DOESN'T MOVE WHEN POWER IS APPLIED. - [SDR HEEA0013497](https://openairdocs.org/sdr/HEEA0013497.md): Gps 150 · failed · Mar 19, 1998 · N624MB · Bolkms BO105S · Global Positioning System > CANNOT ACQUIRE SATELLITES FOR 1 1/2 HOURS ON 1ST FLIGHT OF DAY. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT TO TAKE EXCESSIVELY LONG TO LOCK ON. - [SDR HEEA0013190](https://openairdocs.org/sdr/HEEA0013190.md): Gps · failed · Mar 4, 1998 · N624MB · Bolkms BO105S · Global Positioning System > INNER KNOB ON GPS WILL NOT SELECT CORRECT CHOICE INTERMITTENTLY. - [SDR HEEA0013108](https://openairdocs.org/sdr/HEEA0013108.md): Gps · failed · Mar 2, 1998 · N624MB · Bolkms BO105S · Global Positioning System > GPS DISPLAY FADES OUT AFTER 3 TO 4 MINUTES. NOTE: FADES MORE AT NIGHT. TIME SINCE REPAIR 0:00. - [SDR HEEA0012066](https://openairdocs.org/sdr/HEEA0012066.md): Igniter Box · failed · Nov 19, 1997 · N624MB · Bolkms BO105S · Exciter > IGNITER BOX BROKEN INSULATION AT CONNECTING POINT. - [SDR HEEA0011942](https://openairdocs.org/sdr/HEEA0011942.md): Tot Indicator · failed · Nov 12, 1997 · N624MB · Bolkms BO105S · Engine EGT/TIT Indicating System > EXCESSIVE FRICTION ERROR. SENT TO MASCO FOR INSPECTION AND REPAIR. - [SDR HEEA0011875](https://openairdocs.org/sdr/HEEA0011875.md): Floor Plate · corroded · Nov 10, 1997 · N624MB · Bolkms BO105S · Fuselage Miscellaneous Structure > FLOOR PLATE CORRODED AND SEPARATED BEYOND REPAIR. - [SDR HEEA0011548](https://openairdocs.org/sdr/HEEA0011548.md): Shaft · corroded · Oct 16, 1997 · N624MB · Bolkms BO105S · Tail Rotor Drive Shaft > T/R SHAFT REPAIR BEARING SEAT ZONE D DUE TO CORROSION. - [SDR HEEA0010084](https://openairdocs.org/sdr/HEEA0010084.md): Transmitter · out of tol · Jun 11, 1997 · N624MB · Bolkms BO105S · Fuel Indicating System > INDICATES OUT OF TOLERANCE. - [SDR HEEA0010047](https://openairdocs.org/sdr/HEEA0010047.md): Indicator · fluctuates · Jun 5, 1997 · N624MB · Bolkms BO105S · Engine Oil Temperature > #2 ENGINE OIL TEMPERATURE FLUCTUATING. - [SDR HEEA0010023](https://openairdocs.org/sdr/HEEA0010023.md): Indicator · failed · Jun 3, 1997 · N624MB · Bolkms BO105S · Engine Oil Pressure > #1 ENGINE OIL PRESSURE CLIMBED INTO THE YELLOW. SENT FOR INSPECTION AND REPAIR. - [SDR HEEA968491](https://openairdocs.org/sdr/HEEA968491.md): Clutch · worn excessively · Nov 20, 1996 · N624MB · Bolkms BO105S · Engine/Transmission Coupling > INNER CAGE WORN BEYOND LIMITS AT 600 HOUR INSPECTION. REPLACED WITH SERVICEABLE CLUTCH ASSEMBLY. - [SDR HEEA968439](https://openairdocs.org/sdr/HEEA968439.md): Transceiver · defective · Nov 6, 1996 · N624MB · Bolkms BO105S · VHF Communications System > LED LIGHTS WORK INTERMITTENTLY. - [SDR HEEA967700](https://openairdocs.org/sdr/HEEA967700.md): Transceiver · defective · Aug 29, 1996 · N624MB · Bolkms BO105S · VHF Communications System > STANDBY SIDE HAS BURNT SEGMENTS. - [SDR HEEA967222](https://openairdocs.org/sdr/HEEA967222.md): Clock · broken · May 9, 1996 · N624MB · Bolkms BO105S · Independent Instruments > STOPPER FOR WINDER IS BROKEN. - [SDR HEEA966892](https://openairdocs.org/sdr/HEEA966892.md): Transceiver · defective · Apr 2, 1996 · N624MB · Bolkms BO105S · ATC Transponder System > TOWER REPORTS UNIT INTERMITTENT. REPLACED INOPERATIVE CR202 MIXER DIODE. ALSO REPLACED FACEPLATE ASSEMBLY DUE TO BROKEN KNOB. REPLACED DETERIORATED R477 RESISTOR. REPLACED WEAK V301 PHOTODETECTOR. ADJUSTED FREQUENCY AND PULSE AND ADJUSTED FOR BEST SLS LEVE - [SDR HEEA966699](https://openairdocs.org/sdr/HEEA966699.md): Blade · cracked · Feb 20, 1996 · N624MB · Bolkms BO105S · Main Rotor Blades > M/R BLADE NOSE AND NECK SHELLS CRACKED AND SEPARATED AT ROOT END AREA. - [SDR HEEA966698](https://openairdocs.org/sdr/HEEA966698.md): Blade · cracked · Feb 20, 1996 · N624MB · Bolkms BO105S · Main Rotor Blades > M/R BLADE NOSE AND NECK SHELLS CRACKED AND SEPARATED AT ROOT END AREA. - [SDR HEEA966355](https://openairdocs.org/sdr/HEEA966355.md): Caliper · defective · Jan 4, 1996 · N624MB · Bolkms BO105S · Brake > PISTON WILL NOT RETRACT. REPLACED WITH SERVICEABLE CALIPER. - [SDR HEEA956168](https://openairdocs.org/sdr/HEEA956168.md): Indicator · intermittent · Dec 5, 1995 · N624MB · Bolkms BO105S · Main Rotor Indicating System > NEEDLE HAS AN INTERMITTENT INDICATION. - [SDR HEEA956167](https://openairdocs.org/sdr/HEEA956167.md): Transmitter · defective · Dec 5, 1995 · N624MB · Bolkms BO105S · Engine BMEP/Torque Indicating > NEEDLE HAS AN INTERMITTENT INDICATION. - [SDR HEEA955661](https://openairdocs.org/sdr/HEEA955661.md): Brake Housing · defective · Aug 31, 1995 · N624MB · Bolkms BO105S · Main Rotor Brake > ROTOR BRAKE PUCKS REMAIN IN THE EXTENDED POSITION DRAGGING ON ROTOR BRAKE DISC. PUCKS WILL NOT FULLY RETRACT. INSTALLED SERVICEABLE ROTOR BRAKE CALIPER ASSEMBLY. - [SDR HEEA955526](https://openairdocs.org/sdr/HEEA955526.md): Shaft Seal · leak · Aug 2, 1995 · N624MB · Bolkms BO105S · Main Rotor Head > SEALING LIP ON SEALS FOUND TO BE DEFECTIVE CAUSING OIL TO LEAK OUT OF MAIN ROTOR HEAD. - [SDR HEEA955415](https://openairdocs.org/sdr/HEEA955415.md): Indicator · out of tolerance · Jul 24, 1995 · N624MB · Bolkms BO105S · Main Rotor Indicating System > INDICATOR READS LOW OUT OF TOLERANCE. - [SDR HEEA955414](https://openairdocs.org/sdr/HEEA955414.md): Transmitter · reads low · Jul 24, 1995 · N624MB · Bolkms BO105S · Main Rotor Indicating System > READS LOW OUT OF TOLERANCE. - [SDR HEEA955395](https://openairdocs.org/sdr/HEEA955395.md): Indicator · wont calib · Jul 20, 1995 · N624MB · Bolkms BO105S · Main Rotor Indicating System > INDICATOR WILL NOT CALIBRATE. - [SDR HEEA955394](https://openairdocs.org/sdr/HEEA955394.md): Transmitter · wont calib · Jul 20, 1995 · N624MB · Bolkms BO105S · Main Rotor Indicating System > WILL NOT CALIBRATE. - [SDR HEEA955184](https://openairdocs.org/sdr/HEEA955184.md): Ring Washer · defective · Jun 13, 1995 · N624MB · Bolkms BO105S · Main Rotor Transmission Mount > CLAW OVERLAPS AND DOESN'T SIT FLUSH IN TRANSMISSION MOUNT PAD. UNABLE TO GET BEARING IN CLAW. ## 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 = 'N624MB' AND deregistration_id = 'N624MB-2013-05-17' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N624MB-2013-05-17/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.