# Service difficulty reports: N23023, cancelled Jul 22, 1999 A list on [N23023, cancelled Jul 22, 1999](https://openairdocs.org/deregistered/N23023-1999-07-22.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 · 64 reports - [SDR HEEA062893](https://openairdocs.org/sdr/HEEA062893.md): Actuator · inoperative · Jul 16, 1999 · N23023 · Bell 412 · Entrance Stairs > STEP ACTUATOR RECEIVED INOPERATIVE. ACTUATOR WILL NOT RETRACT. - [SDR HEEA062873](https://openairdocs.org/sdr/HEEA062873.md): Antenna · malfunctioned · Jul 13, 1999 · N23023 · Bell 412 · Global Positioning System > GPS SIGNAL INTERMITTENT. - [SDR HEEA061779](https://openairdocs.org/sdr/HEEA061779.md): Indicator · damaged · Apr 8, 1999 · N23023 · Bell 412 · Flight Management Computing Hardware System > CSI HAD LOOSE INTERNAL PART. TIGHTENED 3 EACH LOOSE SCREWS. REPAIRED. ALSO ADJUSTED RESOLVER AND VOR/LOC METER NEEDLE MOVEMENT. BENCH CHECK GOOD. - [SDR HEEA061333](https://openairdocs.org/sdr/HEEA061333.md): Actuator · sticks · Mar 24, 1999 · N23023 · Bell 412 · Main Rotor Control > FORCE TRIM STICKING ON ACTUATOR ROTARY. - [SDR HEEA060770](https://openairdocs.org/sdr/HEEA060770.md): Control Unit · failed · Feb 22, 1999 · N23023 · Bell 412 · DC Generating System > NR 1 GENERATOR WILL NOT COME ON-LINE. - [SDR HEEA060766](https://openairdocs.org/sdr/HEEA060766.md): Control Unit · failed · Feb 22, 1999 · N23023 · Bell 412 · DC Generating System > GENERATOR WOULD NOT COME ON LINE. - [SDR HEEA060744](https://openairdocs.org/sdr/HEEA060744.md): Spindle · separated · Feb 22, 1999 · N23023 · Bell 412 · Main Rotor Head > SPINDLE DAMPER SEPARATED. - [SDR HEEA060728](https://openairdocs.org/sdr/HEEA060728.md): Starter · inoperative · Feb 22, 1999 · N23023 · Bell 412 · Starter-Generator > STARTER/GENERATOR WILL NOT COME ON LINE. - [SDR HEEA060681](https://openairdocs.org/sdr/HEEA060681.md): Blade · failed · Feb 22, 1999 · N23023 · Bell 412 · Engine (Turbine/Turboprop) > ROTOR BLADE FAILURE. - [SDR HEEA060637](https://openairdocs.org/sdr/HEEA060637.md): Blade · torn · Feb 16, 1999 · N23023 · Bell 412 · Main Rotor Blades > EROSION SHIELD TORN ON THE OUTER END. - [SDR HEEA0016590](https://openairdocs.org/sdr/HEEA0016590.md): Gyro · failed · Oct 28, 1998 · N23023 · Bell 412 · Integrated Flight System > POINTER ON BOTTOM OF ATTITUDE GAUGE NOT CENTERED. - [SDR HEEA0016579](https://openairdocs.org/sdr/HEEA0016579.md): Control Unit · failed · Oct 28, 1998 · N23023 · Bell 412 · DC Generating System > GENERATOR DID NOT COME ON-LINE. - [SDR HEEA0016543](https://openairdocs.org/sdr/HEEA0016543.md): Trim Compensator · inoperative · Oct 28, 1998 · N23023 · Bell 412 · Engine EGT/TIT Indicating System > TRIM COMPENSATOR INOPERATIVE ONLY 10 DIFFERENCE. - [SDR HEEA0016541](https://openairdocs.org/sdr/HEEA0016541.md): Trim Compensator · fluctuates · Oct 28, 1998 · N23023 · Bell 412 · Engine EGT/TIT Indicating System > TRIM COMPENSATOR'S INDICATOR FLUCTUATES. - [SDR HEEA0016539](https://openairdocs.org/sdr/HEEA0016539.md): Trim Compensator · fluctuates · Oct 28, 1998 · N23023 · Bell 412 · Engine EGT/TIT Indicating System > ITT FLUCTUATES AND CANNOT ADJUST BIAS. - [SDR HEEA0016526](https://openairdocs.org/sdr/HEEA0016526.md): Tarsyn333 · precessing · Oct 28, 1998 · N23023 · Bell 412 · Auto Flight System > ATTITUDE INDICATOR PRECESSES. - [SDR HEEA0016525](https://openairdocs.org/sdr/HEEA0016525.md): Trim Computer · malfucntioned · Oct 28, 1998 · N23023 · Bell 412 · Autopilot Computer > AFCS WILL NOT BEEP LEFT OR RIGHT. - [SDR HEEA0016515](https://openairdocs.org/sdr/HEEA0016515.md): Actuator · intermittent · Oct 28, 1998 · N23023 · Bell 412 · Main Rotor Control > ROTARY ACTUATOR HAS INTERMITTENT OPERATION. - [SDR HEEA0016502](https://openairdocs.org/sdr/HEEA0016502.md): Indicator · sticking · Oct 27, 1998 · N23023 · Bell 412 · Engine EGT/TIT Indicating System > ITT INDICATION NEEDLE STICKS ON ENGINE STARTS. - [SDR HEEA0016495](https://openairdocs.org/sdr/HEEA0016495.md): Indicator · malfunctioned · Oct 27, 1998 · N23023 · Bell 412 · Altimeter, Barometric/Encoder > INDICATOR HAS EXCESSIVE FRICTION ERROR - NEEDLE SLOW TO RESPOND. - [SDR HEEA0015881](https://openairdocs.org/sdr/HEEA0015881.md): Tarsyn333 · precessing · Aug 27, 1998 · N23023 · Bell 412 · Autopilot System > DIRECTIONAL GYRO NOISY AND PRECESSES. - [SDR HEEA0015773](https://openairdocs.org/sdr/HEEA0015773.md): Float Bag · leaking · Aug 26, 1998 · N23023 · Bell 412 · Emergency Flotation Section > FLOAT BAG ASSEMBLY LEAKING - UNBONDED TOP-OFF VALVE. - [SDR HEEA0015557](https://openairdocs.org/sdr/HEEA0015557.md): Engine · failed · Aug 14, 1998 · N23023 · Bell 412 · Engine (Turbine/Turboprop) > REPAIR DUE TO OIL CONSUMPTION AND HIGH CYCLED COMPRESSOR TURBINE DISC. - [SDR HEEA0015553](https://openairdocs.org/sdr/HEEA0015553.md): Blade · unbonded · Aug 14, 1998 · N23023 · Bell 412 · Tail Rotor Blades > SEPARATION AT TAIL ROTOR BLADE TIP. - [SDR HEEA0015416](https://openairdocs.org/sdr/HEEA0015416.md): Compensator · failed · Jul 30, 1998 · N23023 · Bell 412 · Engine EGT/TIT Indicating System > ITT FLUCTUATES AND CANNOT ADJUST BIAS. S - [SDR HEEA0015264](https://openairdocs.org/sdr/HEEA0015264.md): Tarsyn 333 · failed · Jul 27, 1998 · N23023 · Bell 412 · Autopilot System > CO-PILOT'S HSI WILL NOT WORK, UNIT FUNCTION CHECK BAD, FAILED TEST 1.1 ON SST BENCH. D.G. WILL NOT COME VALID. - [SDR HEEA0015130](https://openairdocs.org/sdr/HEEA0015130.md): Tarsyn · failed · Jul 1, 1998 · N23023 · Bell 412 · Autopilot System > TARSYN FAILED PITCH AND ROLL TEST SST BENCH. - [SDR HEEA0014579](https://openairdocs.org/sdr/HEEA0014579.md): Control Unit · inoperative · Jun 4, 1998 · N23023 · Bell 412 · DC Regulator > GENERATOR CONTROL UNIT INOPERATIVE. - [SDR HEEA0014154](https://openairdocs.org/sdr/HEEA0014154.md): Generator · failed · May 11, 1998 · N23023 · Bell 412 · Starter-Generator > WILL NOT COME ON LINE AFTER SHUTDOWN. FOUND NOT TO MOTOR WITH START SWITCH ENGAGED. - [SDR HEEA0014106](https://openairdocs.org/sdr/HEEA0014106.md): Control Unit · failed · May 1, 1998 · N23023 · Bell 412 · DC Regulator > GENERATOR WOULD NOT COME ON LINE. - [SDR HEEA0014071](https://openairdocs.org/sdr/HEEA0014071.md): Tarsyn · failed · Apr 29, 1998 · N23023 · Bell 412 · Autopilot System > FAILS TEST 6.2 ON SST. COMPASS CARD WILL NOT MOVE. - [SDR HEEA0013792](https://openairdocs.org/sdr/HEEA0013792.md): Exciter · failed · Apr 2, 1998 · N23023 · Bell 412 · Exciter > EXCITER INTERMITTENT. CAUSED ENGINE TO FLAME OUT AT START, 40 N1. - [SDR HEEA0013747](https://openairdocs.org/sdr/HEEA0013747.md): Airspeed Ind · failed · Apr 2, 1998 · N23023 · Bell 412 · Airspeed/Mach Indicator > AIRSPEED INDICATOR DOES NOT INDICATE BELOW 25 KNOTS. - [SDR HEEA0013725](https://openairdocs.org/sdr/HEEA0013725.md): Control Unit · failed · Apr 2, 1998 · N23023 · Bell 412 · DC Regulator > GENERATOR WOULD NOT COME ON LINE. - [SDR HEEA0013606](https://openairdocs.org/sdr/HEEA0013606.md): Indicator · sticking · Mar 26, 1998 · N23023 · Bell 412 · DC Indicating System > INDICATOR HANDS STICKING AND OUT OF TOLERANCE. - [SDR HEEA0013479](https://openairdocs.org/sdr/HEEA0013479.md): Indicator · defective · Mar 19, 1998 · N23023 · Bell 412 · Fuel Quantity Indicator > WHEN TURNED OFF INDICATOR RISES TO 150 LBS. - [SDR HEEA0013394](https://openairdocs.org/sdr/HEEA0013394.md): Trim Compensator · failed · Mar 18, 1998 · N23023 · Bell 412 · Engine EGT/TIT Indicating System > READS 80 DEGREES TOO HIGH. ENGINE TRIM COMPENSATOR FAILED. - [SDR HEEA0013383](https://openairdocs.org/sdr/HEEA0013383.md): Switch · failed · Mar 18, 1998 · N23023 · Bell 412 · Fuel Quantity Indicator > CAPACITANCE OUT OF TOLERANCE. - [SDR HEEA0013382](https://openairdocs.org/sdr/HEEA0013382.md): Probe · failed · Mar 18, 1998 · N23023 · Bell 412 · Fuel Quantity Sensor > PROBE CAUSES INDICATOR TO RISE 200 LBS. - [SDR HEEA0013291](https://openairdocs.org/sdr/HEEA0013291.md): Actuator Rotary · intermittent · Mar 4, 1998 · N23023 · Bell 412 · Main Rotor Control > ROTARY ACTUATOR INTERMITTENT OPERATION. - [SDR HEEA0012959](https://openairdocs.org/sdr/HEEA0012959.md): Indicator · defective · Feb 10, 1998 · N23023 · Bell 412 · Altimeter, Barometric/Encoder > ALTIMETER INDICATOR HAS RATTLING NOISE IN INSTRUMENT. - [SDR HEEA0010494](https://openairdocs.org/sdr/HEEA0010494.md): Cone Lower · liner worn · Jul 16, 1997 · N23023 · Bell 412 · Main Rotor Head > LOWER CONE TEFLON LINER WORN AND TORN. - [SDR HEEA0010083](https://openairdocs.org/sdr/HEEA0010083.md): Cone · scored · Jun 11, 1997 · N23023 · Bell 412 · Main Rotor Head > M/R HEAD LOWER CONE TEFLON SCORED. - [SDR HEEA0010075](https://openairdocs.org/sdr/HEEA0010075.md): Blade · cracked · Jun 11, 1997 · N23023 · Bell 412 · Main Rotor Blades > SKIN CRACK ON THE UPPER SURFACE AT STATION 114 WITH WATER DRIPPING FROM THE AREA. THE OUTBOARD LEADING EDGE STRIP HAS SOME DEEP EROSION PITS. - [SDR HAIHEEA9856](https://openairdocs.org/sdr/HAIHEEA9856.md): Adapter · corroded · May 13, 1997 · N23023 · Bell 412 · Main Rotor System > ADAPTER HAS CORROSION ON SEAL RIDE. - [SDR HAIHEEA9434](https://openairdocs.org/sdr/HAIHEEA9434.md): Indicator · precesses · Apr 19, 1997 · N23023 · Bell 412 · Attitude Gyro and Indicating System > ADI PRECESSES. - [SDR HEEA979177](https://openairdocs.org/sdr/HEEA979177.md): Blade · not drilled · Mar 12, 1997 · N23023 · Bell 412 · Main Rotor Blades > RECEIVED FROM THE VENDOR WITH A NEW LEADING EDGE ABRASION STRIP INSTALLED BUT THE HOLES WERE NEVER DRILLED FOR THE WEIGHT POCKET. - [SDR HEEA979109](https://openairdocs.org/sdr/HEEA979109.md): Support · worn · Feb 11, 1997 · N23023 · Bell 412 · Main Rotor Head > GIMBAL RING ATTACH. WORN EAR ON SUPPORT WILL NOT HOLD P/N 204-011-497-103 BUSHING AND WORE P/N 204-011-463-105 BOLT. - [SDR HEEA979076](https://openairdocs.org/sdr/HEEA979076.md): Blade · cracked · Feb 11, 1997 · N23023 · Bell 412 · Main Rotor Blades > BLADE OUTBOARD LEADING EDGE ABRASION STRIP WITH A CHORDWISE CRACK NEAR THE INBOARD END. THE EROSION SHIELD HAS AN EXCESSIVE JAGGED EDGE NEAR THE TIP. - [SDR HEEA979073](https://openairdocs.org/sdr/HEEA979073.md): Blade · cracked · Feb 11, 1997 · N23023 · Bell 412 · Main Rotor Blades > T/R BLADE HAS PARTIAL CHORDWISE CRACK ON THE OUTBOARD LEADING EDGE ABRASION STRIP AT THE SPLICE AREA. Next page: https://openairdocs.org/deregistered/N23023-1999-07-22/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 = 'N23023' AND deregistration_id = 'N23023-1999-07-22' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N23023-1999-07-22/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.