# Service difficulty reports: N1079U A list on [N1079U](https://openairdocs.org/aircraft/N1079U.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 · 59 reports - [SDR HEEA079750](https://openairdocs.org/sdr/HEEA079750.md): Control Head · malfunctioned · May 31, 2002 · N1079U · Bell 212 · Communications System > CONTROL HEAD WILL NOT RECEIVE ON 120.5 MHZ. FOUND BAD CR3 DIODE. BENCH CHECK GOOD. - [SDR HEEA076256](https://openairdocs.org/sdr/HEEA076256.md): Engine · corroded · Oct 9, 2001 · N1079U · Bell 212 · Engine (Turbine/Turboprop) > CORROSION AT 12 OCLOCK. SENT TO PRATT AND WHITNEY FOR INSPECTION AND REPAIR. - [SDR HEEA062805](https://openairdocs.org/sdr/HEEA062805.md): Gps Receiver · failed · Jul 12, 1999 · N1079U · Bell 212 · Global Positioning System > GPS RECEIVER FAILED ON SHORT FINAL. - [SDR HEEA061685](https://openairdocs.org/sdr/HEEA061685.md): Compensator · malfunctioned · Apr 5, 1999 · N1079U · Bell 212 · Engine EGT/TIT Indicating System > TRIM COMPENSATOR TURNED TO 100 DEGREES AND WILL NOT DROP TEMPS. WITHIN RANGE. - [SDR HEEA060723](https://openairdocs.org/sdr/HEEA060723.md): Gyro · inoperative · Feb 22, 1999 · N1079U · Bell 212 · Turn and Bank/Rate of Turn Indicator > RATE GYRO TURN NEEDLE INOPERATIVE. - [SDR HEEA060124](https://openairdocs.org/sdr/HEEA060124.md): Pump · malfunctioned · Jan 21, 1999 · N1079U · Bell 212 · Fuel Boost Pump > LOW FUEL PRESSURE. - [SDR HEEA0016488](https://openairdocs.org/sdr/HEEA0016488.md): Inverter · inoperative · Oct 27, 1998 · N1079U · Bell 212 · AC Inverter > INVERTER INOPERATIVE. - [SDR HEEA0016415](https://openairdocs.org/sdr/HEEA0016415.md): Trim Compensator · inaccurate · Oct 23, 1998 · N1079U · Bell 212 · Engine EGT/TIT Indicating System > TRIM COMPENSATOR ADJUSTED TO 100. WILL NOT LOWER TEMP INDICATION TO WITHIN RANGE. - [SDR HEEA0016410](https://openairdocs.org/sdr/HEEA0016410.md): Generator · failed · Oct 23, 1998 · N1079U · Bell 212 · Starter-Generator > STARTER/GENERATOR WILL NOT COME ON-LINE. - [SDR HEEA0016397](https://openairdocs.org/sdr/HEEA0016397.md): Inverter · malfunctioned · Oct 23, 1998 · N1079U · Bell 212 · AC Inverter > INVERTER HAS LOW VOLTAGE OUTPUT. - [SDR 99ZZZX681](https://openairdocs.org/sdr/99ZZZX681.md): Fuel Control · malfunctioned · Jul 30, 1998 · N1079U · Bell 212 · Fuel Controlling System > WHILE IN CRUISE FLIGHT, NR 1 ENGINE TORQUE WENT LOW WHICH RESULTED IN A 20 PERCENT TORQUE SPLIT BETWEEN NR 1 AND NR 2 ENGINES. PILOT RETURNED TO BASE AND LANDED WITHOUT INCIDENT. TROUBLESHOOTING BY MAINTENANCE REVEALED DEFECTIVE FUEL CONTROL. REPLACED SAME. - [SDR HEEA0015375](https://openairdocs.org/sdr/HEEA0015375.md): Compensator · malfunctioned · Jul 29, 1998 · N1079U · Bell 212 · Engine EGT/TIT Indicating System > TRIM COMPENSATOR WILL NOT BRING TEMPERATURE ANY LOWER THAN 75 CHANGE. - [SDR HEEA0015137](https://openairdocs.org/sdr/HEEA0015137.md): Indicator · inoperative · Jul 1, 1998 · N1079U · Bell 212 · Altimeter, Barometric/Encoder > ALTIMETER INDICATOR INDICATED 150 FEET AT 1,000 AND 2,000 FEET. INOPERATIVE. - [SDR HEEA0014846](https://openairdocs.org/sdr/HEEA0014846.md): Indicator · malfunctioned · Jun 22, 1998 · N1079U · Bell 212 · Integrated Flight System > COURSE DIGITIZER OUT OF ALIGNMENT. - [SDR HEEA0014589](https://openairdocs.org/sdr/HEEA0014589.md): Altimeter · failed · Jun 4, 1998 · N1079U · Bell 212 · Altimeter, Barometric/Encoder > ALTIMETER FAILED FRICTION ERROR TEST. - [SDR HEEA0014578](https://openairdocs.org/sdr/HEEA0014578.md): Dual Ammeter · sticks · Jun 4, 1998 · N1079U · Bell 212 · DC Indicating System > DUAL AMMETER NR 2 NEEDLE IS STICKING. - [SDR HEEA0014502](https://openairdocs.org/sdr/HEEA0014502.md): Transmitter · failed · Jun 4, 1998 · N1079U · Bell 212 · Engine BMEP/Torque Indicating > TORQUEMETER READS LOW, OUT OF TOLERANCE. - [SDR HEEA0013700](https://openairdocs.org/sdr/HEEA0013700.md): Beacon · weak · Apr 2, 1998 · N1079U · Bell 212 · Exterior Lighting > BEACON IS WEAK. - [SDR HEEA0013681](https://openairdocs.org/sdr/HEEA0013681.md): Indicator · stuck · Apr 2, 1998 · N1079U · Bell 212 · Engine BMEP/Torque Indicating > INDICATOR NEEDLE STUCK AT ZERO. - [SDR HEEA0013596](https://openairdocs.org/sdr/HEEA0013596.md): Indicator · failed · Mar 26, 1998 · N1079U · Bell 212 · Engine RPM Indicating System > NR 2 NEEDLE READING HIGH. - [SDR HEEA0013325](https://openairdocs.org/sdr/HEEA0013325.md): Epirb · defective · Mar 5, 1998 · N1079U · Bell 212 · Emergency Locator Beacon > EPIRB CASE IS SWOLLEN. CORROSION IN ANTENNA MOUNT. - [SDR HEEA0012485](https://openairdocs.org/sdr/HEEA0012485.md): Epirb · defective · Jan 6, 1998 · N1079U · Bell 212 · Emergency Locator Beacon > EPIRB ANTENNA BROKEN AND BODY CRACKS IN BOTTOM. - [SDR HEEA0011722](https://openairdocs.org/sdr/HEEA0011722.md): Bearing · worn · Oct 22, 1997 · N1079U · Bell 212 · Main Rotor Head > M/R DAMPER BEARINGS WORN. - [SDR HEEA0011452](https://openairdocs.org/sdr/HEEA0011452.md): Tach Generator · shaft worn · Oct 10, 1997 · N1079U · Bell 212 · Rotor Drive Indicating System > ROTOR TACH GEN SHAFT WORN. - [SDR HEEA0011365](https://openairdocs.org/sdr/HEEA0011365.md): Indicator · failed · Oct 9, 1997 · N1079U · Bell 212 · Engine Indicating System > NR1 NEEDLE DOES NOT INDICATE. - [SDR HEEA0011264](https://openairdocs.org/sdr/HEEA0011264.md): Liner Assy · burnt · Oct 8, 1997 · N1079U · Bell 212 · Turbine Engine Combustion Section > COMBUSTION LINER ASSY BURNT LOUVERS. - [SDR HEEA0011247](https://openairdocs.org/sdr/HEEA0011247.md): Cvr · wont test · Oct 7, 1997 · N1079U · Bell 212 · Audio/Video Monitoring > CVR WILL NOT TEST. - [SDR HEEA0011116](https://openairdocs.org/sdr/HEEA0011116.md): Vane Ring Assy · cracked · Sep 30, 1997 · N1079U · Bell 212 · Powerplant System > VANE RING ASSY CRACKED BEYOND LIMITS. - [SDR HEEA0011102](https://openairdocs.org/sdr/HEEA0011102.md): Harness · failed · Sep 30, 1997 · N1079U · Bell 212 · Powerplant System > HARNESS BURNT PROBE TIP. - [SDR HEEA0010356](https://openairdocs.org/sdr/HEEA0010356.md): Cvr · malfunction · Jun 26, 1997 · N1079U · Bell 212 · Audio/Video Monitoring > CVR HAS EXCESSIVE NOISE ON TAPE. - [SDR HEEA0010082](https://openairdocs.org/sdr/HEEA0010082.md): Radar Altimeter · defective · Jun 11, 1997 · N1079U · Bell 212 · Ground Proximity System > DH BUG WILL NOT GO PAST 1800 FEET AND FLAG WILL NOT PULL. ALSO NEEDLE IS OFF 20 FEET. - [SDR HAIHEEA9598](https://openairdocs.org/sdr/HAIHEEA9598.md): Indicator · precesses · Apr 24, 1997 · N1079U · Bell 212 · Attitude Gyro and Indicating System > PRECESSES 5 PERCENT RIGHT AND 5 PERCENT NOSE UP IN 10 MINUTES OF FLIGHT. - [SDR HAIHEEA9300](https://openairdocs.org/sdr/HAIHEEA9300.md): Indicator · reads high · Apr 1, 1997 · N1079U · Bell 212 · Engine Oil Pressure > PRESSURE SIDE READS HIGH. TEMP SIDE HAS EXCESSIVE FRICTION ERROR. - [SDR HEEA979205](https://openairdocs.org/sdr/HEEA979205.md): Encoder · sticks · Mar 12, 1997 · N1079U · Bell 212 · Altimeter, Barometric/Encoder > INCONSISTENT OUTPUT AND NEEDLE INTERMITTENTLY STICKS. TIME SINCE REPAIR 1008:55. - [SDR HEEA978993](https://openairdocs.org/sdr/HEEA978993.md): Fuel Probe · failed · Feb 10, 1997 · N1079U · Bell 212 · Fuel Quantity Sensor > FUEL PROBE READS HIGH OUT OF TOLERANCE. - [SDR HEEA968637](https://openairdocs.org/sdr/HEEA968637.md): Damper Assy · leaking · Dec 10, 1996 · N1079U · Bell 212 · Main Rotor Head > DAMPER LEAKING OIL. - [SDR HEEA968452](https://openairdocs.org/sdr/HEEA968452.md): Indicator · defective · Nov 6, 1996 · N1079U · Bell 212 · Integrated Flight System > HSI INDICATOR COURSE SELECT KNOB HARD TO TURN. TIME SINCE REPAIR 237:35. - [SDR HEEA968071](https://openairdocs.org/sdr/HEEA968071.md): Shaft · corroded · Oct 3, 1996 · N1079U · Bell 212 · Tail Rotor Gearbox > SHAFT IS CORRODED.( FOUND EXCESSIVE CORROSION IN SPLINES "N" (REF. BHT 412 CR&0 SEC. 65-00-00 PAGE 133 FIG. 65-40) BEYOND LIMITS. REPLACED WTH SERVICEABLE SHAFT. - [SDR HEEA968027](https://openairdocs.org/sdr/HEEA968027.md): Indicator · intermittent · Oct 3, 1996 · N1079U · Bell 212 · Engine RPM Indicating System > #1 NEEDLE HAS INTERMITTENT OPERATION. - [SDR HEEA967770](https://openairdocs.org/sdr/HEEA967770.md): Indicator · failed · Sep 3, 1996 · N1079U · Bell 212 · Engine BMEP/Torque Indicating > TORQUEMETER #1 NEEDLE HAS NO INDICATION. - [SDR HEEA967257](https://openairdocs.org/sdr/HEEA967257.md): Transceiver · mis wired · May 22, 1996 · N1079U · Bell 212 · VHF Communications System > HUM ON LINE AND AUDIO CUTS OUT WHEN POWER SUPPLY IS DECREASED BELOW +280. FOUND THE INPUT AND OUTPUT OF U2 WAS WIRED WRONG. REWIRED U2 CORRECTLY AND UNIT MEETS MANUFACTURERS SPECS. REPAIRED. - [SDR HEEA966998](https://openairdocs.org/sdr/HEEA966998.md): Damper Assy · defective · Apr 15, 1996 · N1079U · Bell 212 · Main Rotor Head > FLUID CONTAMINATION AND GLASS IS UNREADABLE. - [SDR HEEA966997](https://openairdocs.org/sdr/HEEA966997.md): Damper Assy · defective · Apr 15, 1996 · N1079U · Bell 212 · Main Rotor Head > FLUID CONTAMINATION AND GLASS IS UNREADABLE. - [SDR HEEA966920](https://openairdocs.org/sdr/HEEA966920.md): Indicator · defective · Apr 4, 1996 · N1079U · Bell 212 · Weather Radar System > UNIT HAD BROKEN "MAP" SWITCH, REPLACED SWITCH WITH SPARE. REPAIRED.TROUBLESHOT UNIT FURTHER AND FOUND VIDEO BOARD TO BE INTERMITTENT AND LOGIC #2BOARD BAD. CAUSES DISTORTED DISPLAY. - [SDR HEEA966636](https://openairdocs.org/sdr/HEEA966636.md): Control Unit · defective · Feb 5, 1996 · N1079U · Bell 212 · DC Generating System > CONTROL UNIT DEFECTIVE. GENERATOR WOULD NOT COME ON LINE. - [SDR HEEA966634](https://openairdocs.org/sdr/HEEA966634.md): Control Unit · defective · Feb 5, 1996 · N1079U · Bell 212 · DC Generating System > #2 GENERATOR KICKS OFF LINE WHEN ANY INVERTER IS TURNED ON. - [SDR HEEA956256](https://openairdocs.org/sdr/HEEA956256.md): Gear Assy · worn · Dec 13, 1995 · N1079U · Bell 212 · Main Rotor Drive System > WORN SEAL RIDE AREA. - [SDR HEEA956123](https://openairdocs.org/sdr/HEEA956123.md): Transceiver · defective · Nov 22, 1995 · N1079U · Bell 212 · VHF Communications System > TRANSMIT BREAKS UP. - [SDR HEEA955976](https://openairdocs.org/sdr/HEEA955976.md): Indicator · wont test · Nov 8, 1995 · N1079U · Bell 212 · Weather Radar System > WILL NOT TEST. INOPERATIVE. - [SDR HEEA955846](https://openairdocs.org/sdr/HEEA955846.md): Control Unit · defective · Oct 5, 1995 · N1079U · Bell 212 · VHF Communications System > INSPECT FOR CORROSION. INSPECTED CONTROL UNIT, BUT FOUND NO CORROSION. HOWEVER, FOUND THUMBWHEEL TO BE INTERMITTENTLY DIALING UP WRONG FREQUENCIES. REPLACED 1 EACH S1 THUMBWHEEL. REPAIRED. Next page: https://openairdocs.org/aircraft/N1079U/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 = 'N1079U' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N1079U/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.