# Service difficulty reports: N22347, cancelled Feb 21, 2017

A list on [N22347, cancelled Feb 21, 2017](https://openairdocs.org/deregistered/N22347-2017-02-21.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 4 · 152 reports

- [SDR HEEA087257](https://openairdocs.org/sdr/HEEA087257.md): Bearing · worn · Jun 11, 2003 · N22347 · Bell 412 · Tail Rotor Control System
  > TEFLON BAD ON BEARING. REPLACED BEARING (2 EA) MS276434 DUE TO WEAR. REPAIRED.
- [SDR HEEA086663](https://openairdocs.org/sdr/HEEA086663.md): Battery · discharged · May 22, 2003 · N22347 · Bell 412 · Battery/Charger System
  > BATTERY DEAD. REPAIRED.
- [SDR HEEA086646](https://openairdocs.org/sdr/HEEA086646.md): Crosstube · debonded · May 21, 2003 · N22347 · Bell 412 · Main Landing Gear Strut/Axle/Truck
  > CROSSTUBE CENTER PIVOT SUPPORT UNBONDED.
- [SDR HEEA086638](https://openairdocs.org/sdr/HEEA086638.md): Blade · debonded · May 21, 2003 · N22347 · Bell 412 · Main Rotor Blades
  > LOWER FRETTING PADS IS UNBONDED, THE TRAILING EDGE POCKET AT THE ROOT HAS WATER TRAPPED INSIDE. SENT TO ROTOR BLADES, INC. FOR INSPECTION AND REPAIR.
- [SDR HEEA086593](https://openairdocs.org/sdr/HEEA086593.md): Circuit Board · corroded · May 21, 2003 · N22347 · Bell 412 · Entertainment System
  > PA AMP HAS CORROSION. FOUND CORROSION ON PC BOARD. UNIT WORKS INTERMITTENTLY, CONNECTOR P2 AND PINS BAD, UNIT COVER BAD. CLEANED CORROSION ON PC BOARD, REPLACED CONNECTOR P2, PINS AND UNIT COVER. REPAIRED. BENCH CHECK GOOD.
- [SDR HEEA085004](https://openairdocs.org/sdr/HEEA085004.md): Float · leaking · Feb 27, 2003 · N22347 · Bell 412 · Emergency Flotation Section
  > FLOAT BAG ASSY LEAKS. SCRAPPED.
- [SDR HEEA084980](https://openairdocs.org/sdr/HEEA084980.md): Actuator · stuck · Feb 27, 2003 · N22347 · Bell 412 · Autopilot Main Servo
  > ACTUATOR YAW CONTROL STUCK, WILL NOT MOVE.
- [SDR HEEA084973](https://openairdocs.org/sdr/HEEA084973.md): Crosstube · failed · Feb 27, 2003 · N22347 · Bell 412 · Main Landing Gear Strut/Axle/Truck
  > MLG CROSSTUBE FAILED DEFLECTION CHECK. SCRAPPED.
- [SDR HEEA084971](https://openairdocs.org/sdr/HEEA084971.md): Cap · worn · Feb 27, 2003 · N22347 · Bell 412 · Main Landing Gear Strut/Axle/Truck
  > MLG CROSSTUBE CAP RUBBER WORN. REPAIRED.
- [SDR HEEA084930](https://openairdocs.org/sdr/HEEA084930.md): Structure · corroded · Feb 27, 2003 · N22347 · Bell 412 · Landing Gear Doors
  > NLG DOOR STRUCTURE HAS CORROSION. REPAIRED.
- [SDR HEEA084923](https://openairdocs.org/sdr/HEEA084923.md): Indicator · fluctuates · Feb 27, 2003 · N22347 · Bell 412 · Engine Oil Pressure
  > INDICATOR DISPLAYING FLUCTUATING OIL PRESSURE INDICATIONS.
- [SDR HEEA084824](https://openairdocs.org/sdr/HEEA084824.md): Rod Bearing · worn · Feb 21, 2003 · N22347 · Bell 412 · Main Rotor Head
  > MAIN ROTOR HEAD HAS A WORN ROD BEARING. REPAIRED.
- [SDR HEEA084820](https://openairdocs.org/sdr/HEEA084820.md): Rod Bearing · worn · Feb 21, 2003 · N22347 · Bell 412 · Main Rotor Head
  > MAIN ROTOR HEAD HAS A WORN BEARING. REPAIRED.
- [SDR HEEA084806](https://openairdocs.org/sdr/HEEA084806.md): Bearing · debonded · Feb 21, 2003 · N22347 · Bell 412 · Main Rotor Head
  > SPINDLE BEARING UNBONDED FROM SPINDLE. REPAIRED.
- [SDR HEEA084763](https://openairdocs.org/sdr/HEEA084763.md): Float · leaking · Feb 21, 2003 · N22347 · Bell 412 · Emergency Flotation Section
  > EMERGENCY FLOAT LEAKING.
- [SDR HEEA084725](https://openairdocs.org/sdr/HEEA084725.md): Skid · gouged · Feb 17, 2003 · N22347 · Bell 412 · Wheel/Ski/Float
  > GOUGED NEAR AFT CROSSTUBE SADDLE AND HAS CORROSION IN VARIOUS PLACES.
- [SDR HEEA084646](https://openairdocs.org/sdr/HEEA084646.md): Transponder · inoperative · Feb 14, 2003 · N22347 · Bell 412 · ATC Transponder System
  > TRANSPONDER INOPERATIVE. FOUND HEADER P305, TRANSISTOR Q206, DISPLAY DS103 AND PHOTOCELL V101 BAD. ALSO FOUND CARBON UNDER P305 BETWEEN PINS 12 AND 13. REPLACED HEADER, TRANSISTOR, DISPLAY AND PHOTOCELL AND REMOVED CARBON. REPAIRED. BENCH CHECK GOOD.
- [SDR HEEA084623](https://openairdocs.org/sdr/HEEA084623.md): Transceiver · damaged · Feb 14, 2003 · N22347 · Bell 412 · VHF Communications System
  > VHF TRANSCEIVER BNC CONNECTOR PULLED OUT. REPLACED BROKEN J9082 RF CONNECTOR. REPAIRED PROBLEM. ALSO REPLACED BAD Q102 TRANSISTOR INSULATOR. ADJUSTED CARRIER SQUELCH, MIC GAIN, TRANSMIT COMPRESSOR AND SIDETONE. BENCH CHECK GOOD.
- [SDR HEEA084591](https://openairdocs.org/sdr/HEEA084591.md): Link · worn · Feb 14, 2003 · N22347 · Bell 412 · Main Rotor Mast/Swashplate
  > HUB AND SLEEVE ASSY HAS A WORN LINK. REPAIRED.
- [SDR HEEA084580](https://openairdocs.org/sdr/HEEA084580.md): Bearing · worn · Feb 14, 2003 · N22347 · Bell 412 · Main Rotor Mast/Swashplate
  > MAIN ROTOR MAST LINK HAS WORN BEARINGS. REPAIRED.
- [SDR HEEA084561](https://openairdocs.org/sdr/HEEA084561.md): Blade · damaged · Feb 14, 2003 · N22347 · Bell 412 · Main Rotor Blades
  > MAIN ROTOR BLADE HAS A HOLE IN TOP SKIN AT STA 93 WITH MULTIPLE BRANCHES.
- [SDR HEEA084551](https://openairdocs.org/sdr/HEEA084551.md): Blade · damaged · Feb 14, 2003 · N22347 · Bell 412 · Main Rotor Blades
  > MAIN ROTOR BLADE OUTBOARD ABRASION STRIP HAS EROSION HOLE THROUGH THE STRIP. SENT TO INTERNATIONAL AVIATION COMPOSITES FOR INSPECTION AND REPAIR.
- [SDR HEEA084540](https://openairdocs.org/sdr/HEEA084540.md): Indicator · will not test · Feb 14, 2003 · N22347 · Bell 412 · Altimeter, Barometric/Encoder
  > STANDBY ALTIMETER WILL NOT TEST. REPAIRED.
- [SDR HEEA084502](https://openairdocs.org/sdr/HEEA084502.md): Light · inoperative · Feb 14, 2003 · N22347 · Bell 412 · Exterior Lighting
  > ANTI COLLISION LIGHT INTERNAL MECHANISM INOPERATIVE. IN SHOP REPAIR.
- [SDR HEEA084493](https://openairdocs.org/sdr/HEEA084493.md): Cover · worn · Feb 14, 2003 · N22347 · Bell 412 · Emergency Flotation Section
  > EMERGENCY FLOAT COVER IS WORN. REPLACED WITH SERVICEABLE FLOAT COVER.
- [SDR HEEA084492](https://openairdocs.org/sdr/HEEA084492.md): Cover · worn · Feb 14, 2003 · N22347 · Bell 412 · Emergency Flotation Section
  > EMERGENCY FLOAT COVER IS WORN. REPLACED WITH SERVICEABLE FLOAT COVER.
- [SDR HEEA084489](https://openairdocs.org/sdr/HEEA084489.md): Crosstube · cracked · Feb 14, 2003 · N22347 · Bell 412 · Wheel/Ski/Float
  > FWD CROSSTUBE COLLAR CRACKED. IN SHOP FOR REPAIR.
- [SDR HEEA083601](https://openairdocs.org/sdr/HEEA083601.md): Pedestal · inoperative · Jan 14, 2003 · N22347 · Bell 412 · Weather Radar System
  > RADAR ANTENNA PEDESTAL WILL NOT TILT. SHOP REPAIR.
- [SDR HEEA083479](https://openairdocs.org/sdr/HEEA083479.md): Duct · cracked · Jan 10, 2003 · N22347 · Bell 412 · Engine Collector/Tailpipe/Nozzle
  > EXHAUST DUCT CRACKED. TO BE SENT TO VENDOR.
- [SDR HEEA080438](https://openairdocs.org/sdr/HEEA080438.md): Connector · dirty · Jul 8, 2002 · N22347 · Bell 412 · Engine/Transmission Coupling
  > COMBINING BOX OIL PRESSURE FLUCTUATING. FOUND CONNECTOR PLUG AT OIL PRESSURE TRANSMITTER DIRTY AND THE COMBINING BOX VEN PLUG. CLEANED PLUG AND VENT.
- [SDR HEEA080289](https://openairdocs.org/sdr/HEEA080289.md): Blade · damaged · Jun 27, 2002 · N22347 · Bell 412 · Main Rotor Blades
  > OUTBOARD ABRASION STRIP HAS SEVERAL HOLES. TO BE SENT TO VENDOR FOR REPAIR.
- [SDR HEEA079726](https://openairdocs.org/sdr/HEEA079726.md): Interphone · malfunctioned · May 30, 2002 · N22347 · Bell 412 · Interphone/Passenger Announcement (PA) System
  > COMM 1 AND COMM 2 AUDIO SELECT KNOB WON'T MUTE AUDIO. FOUND SWITCHES S1, S2, S3, S4, S9, S10, S11, LIGHT PANEL, VOLUME AND TRANSMIT KNOBS BAD. REPLACED. BENCH CHECK GOOD.
- [SDR HEEA079113](https://openairdocs.org/sdr/HEEA079113.md): Crosstube · corroded · May 21, 2002 · N22347 · Bell 412 · Main Landing Gear Strut/Axle/Truck
  > CROSSTUBE IS CORRODED BEYOND LIMITS ON TOP SIDE BETWEEN SADDLES.
- [SDR HEEA078488](https://openairdocs.org/sdr/HEEA078488.md): Gearbox · damaged · Apr 26, 2002 · N22347 · Bell 412 · Engine/Transmission Coupling
  > MAIN ROTOR COMBINING GEARBOX HAS LOW OIL PRESSURE.
- [SDR HEEA077035](https://openairdocs.org/sdr/HEEA077035.md): Engine · failed · Nov 1, 2001 · N22347 · Bell 412 · Engine (Turbine/Turboprop)
  > SHORTLY AFTER DEPARTURE, IN CRUISE, PILOT HEARD SQUEAL, BANG AND LOW RPM AUDIO. NOTED NR 2 ENGINE FAILED. SECURED ENGINE AND COMPLETED FLIGHT WITH RUN ON LANDING.
- [SDR HEEA077001](https://openairdocs.org/sdr/HEEA077001.md): Connector · shorted · Oct 31, 2001 · N22347 · Bell 412 · Fuel Indicating System
  > FUEL VALVE LIGHT CAME ON. MAINTENANCE FOUND SHORTED CANNON PLUG AT NR 2 ENGINE LORI VALVE CAUSING FUEL VALVE TO CYCLE.
- [SDR HEEA076272](https://openairdocs.org/sdr/HEEA076272.md): Engine · overspeed · Oct 9, 2001 · N22347 · Bell 412 · Engine (Turbine/Turboprop)
  > N1 OVERSPEED AT 116 PERCENT. REPLACED WITH SERVICEABLE ENGINE.
- [SDR HEEA076268](https://openairdocs.org/sdr/HEEA076268.md): Engine · overspeed · Oct 9, 2001 · N22347 · Bell 412 · Engine (Turbine/Turboprop)
  > N1 OVERSPEED AT 116 PERCENT.
- [SDR HEEA076262](https://openairdocs.org/sdr/HEEA076262.md): Engine · stalled · Oct 9, 2001 · N22347 · Bell 412 · Engine (Turbine/Turboprop)
  > COMPRESSOR STALLS AND ITT OVER 1000 DEGREES. SENT TO PRATT AND WHITNEY FOR INSPECTION AND REPAIR.
- [SDR HEEA076260](https://openairdocs.org/sdr/HEEA076260.md): Engine · oscillates · Oct 9, 2001 · N22347 · Bell 412 · Engine (Turbine/Turboprop)
  > TORQUE OSCILLATIONS. SENT TO PRATT AND WHITNEY FOR INSPECTION AND REPAIR.
- [SDR HEEA076301](https://openairdocs.org/sdr/HEEA076301.md): Oil Cooler · leaking · Oct 1, 2001 · N22347 · Bell 412 · Main Rotor Drive System
  > OIL COOLER SEEPING.
- [SDR HEEA075589](https://openairdocs.org/sdr/HEEA075589.md): Receiver · failed · Aug 27, 2001 · N22347 · Bell 412 · VHF Communications System
  > BAD FROM STOCK. FOUND AT 60 DEGREES TO. NEEDLE DOES NOT FOLLOW WHEN TURNING COMPASS. SENT TO GREATLAKES AVIONICS FOR WARRANTY REPAIR.
- [SDR HEEA073644](https://openairdocs.org/sdr/HEEA073644.md): Gps · failed · Jun 19, 2001 · N22347 · Bell 412 · Global Positioning System
  > CANNOT FIND ITSELF. IN SHOP REPAIR.
- [SDR HEEA072458](https://openairdocs.org/sdr/HEEA072458.md): Crosstube · corroded · Apr 10, 2001 · N22347 · Bell 412 · Main Landing Gear Strut/Axle/Truck
  > CORRODED BEYOND LIMITS UNDER BOTH SADDLE MOUNTS. SCRAPPED AND REPLACED WITH SERVICEABLE TUBE.
- [SDR HEEA065196](https://openairdocs.org/sdr/HEEA065196.md): Indicator · failed · Nov 17, 1999 · N22347 · Bell 412 · Fuel Pressure Indicator
  > FUEL PRESSURE INDICATOR CANNOT CALIBRATE, UNIT IS NON-LINEAR THROUGH SCALE, BENCH CHECK BAD, FADED RANGE MARKINGS.
- [SDR HEEA065111](https://openairdocs.org/sdr/HEEA065111.md): Gyro · malfunctioned · Nov 12, 1999 · N22347 · Bell 412 · Integrated Flight System
  > GYRO CAUSED RATE NEEDLE TO MOVE WHILE AIRCRAFT STATIC.
- [SDR HEEA063369](https://openairdocs.org/sdr/HEEA063369.md): Indicator · reads low · Aug 13, 1999 · N22347 · Bell 412 · Main Rotor Indicating System
  > TRIPLE TACHOMETER READS 2 PERCENT LOWER THAN PILOT'S.
- [SDR HEEA063293](https://openairdocs.org/sdr/HEEA063293.md): Blade · damaged · Aug 10, 1999 · N22347 · Bell 412 · Main Rotor Blades
  > SEVERAL PIN HOLES IN THE OUTBOARD LEADING EDGE STRIP. THE INBOARD TAB AND CENTER TAB HAD SOME SEPARATION.
- [SDR HEEA063292](https://openairdocs.org/sdr/HEEA063292.md): Blade · cracked · Aug 10, 1999 · N22347 · Bell 412 · Main Rotor Blades
  > BLADE HAD SEVERAL PIN HOLES IN THE OUTBOARD LEADING EDGE STRIP. THE INBOARD TRIM TAB WAS CRACKED.
- [SDR HEEA062831](https://openairdocs.org/sdr/HEEA062831.md): Gearbox · damaged · Jul 12, 1999 · N22347 · Bell 412 · Tail Rotor Gearbox
  > COULD NOT MOUNT GEARBOX - FOUND STUDS BENT. REPLACED WITH SERVICEABLE ASSY.

Next page: https://openairdocs.org/deregistered/N22347-2017-02-21/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 = 'N22347' AND deregistration_id = 'N22347-2017-02-21'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N22347-2017-02-21/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.