# Service difficulty reports: N494PH

A list on [N494PH](https://openairdocs.org/aircraft/N494PH.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 · 77 reports

- [SDR HEER20190830230](https://openairdocs.org/sdr/HEER20190830230.md): Skin · corroded · Aug 30, 2019 · N494PH · Bell 407 · Fuselage Main, Plate/Skin
  > FORWARD SHELL ASSEMBLY WAS FOUND TO BE CORRODED - OUTER SKIN AND OUTER CORNER SKIN. THE REPAIR DOCUMENTATION WILL BE SUBMITTED FOR FAA APPROVAL. THE FORWARD SHELL ASSEMBLY WILL THEN BE REPAIRED IN ACCORDANCE WITH THE FAA-APPROVED REPAIR DATA.
- [SDR HEER20161118555](https://openairdocs.org/sdr/HEER20161118555.md): Bearing · spalled · Nov 18, 2016 · N494PH · Bell 407 · Turbine Section
  > REMOVED NR 5 BEARING DUE TO SPALLING ON OUTER RACE AT SPLIT. UPGRADED THE NR 5 BEARING.
- [SDR HEER20160129130](https://openairdocs.org/sdr/HEER20160129130.md): Bearing · spalled · Jan 29, 2016 · N494PH · Bell 407 · Turbine Section
  > ENGINE REMOVED 1-16-2016, DUE TO METAL ON UPPER AND LOWER CHIP PLUGS. REPLACED NR 5 BEARING DUE TO SPALLING ON OUTER RACE, BALLS AND DAMAGED SEPERATOR. REPLACED BEARING.
- [SDR HEEA132849](https://openairdocs.org/sdr/HEEA132849.md): Skin · dented · Jan 6, 2012 · N494PH · Bell 407 · Fuselage Main, Plate/Skin
  > FWD LOWER SKIN WAS FOUND DENTED/CRACKED. OPEN
- [SDR HEEA129892](https://openairdocs.org/sdr/HEEA129892.md): Bearing · spalled · May 10, 2010 · N494PH · Bell 407 · Turbine Section
  > TURBINE HAS SPALLING BALLS AND OUTER RACE. REPLACED WITH NEW BEARING.
- [SDR HEEA088003](https://openairdocs.org/sdr/HEEA088003.md): Frahm · broken · Jun 28, 2003 · N494PH · Bell 407 · Main Rotor Head
  > FRAHM ASSY HAS A SPRING BROKEN. REPLACED WITH SERVICEABLE PART.
- [SDR HEEA087497](https://openairdocs.org/sdr/HEEA087497.md): Shaft · rough · Jun 12, 2003 · N494PH · Bell 407 · Tail Rotor Drive Shaft
  > BLOWER ASSY FWD BEARING ROUGH. REPLACED.
- [SDR HEEA087463](https://openairdocs.org/sdr/HEEA087463.md): Igniter · worn · Jun 12, 2003 · N494PH · Bell 407 · Spark Plug/Igniter
  > IGNITER WORN. REPLACED IGNITER.
- [SDR HEEA087367](https://openairdocs.org/sdr/HEEA087367.md): Panel · cracked · Jun 11, 2003 · N494PH · Bell 407 · Passenger/Crew Doors
  > CREW DOOR PANEL CRACKED BEYOND REPAIR. TO BE SENT TO BELL HELICOPTER TEXTRON.
- [SDR HEEA087296](https://openairdocs.org/sdr/HEEA087296.md): Spring · broken · Jun 11, 2003 · N494PH · Bell 407 · Main Rotor Head
  > FRAHM ASSY HAS A BROKEN SPRING. REPLACED SPRING (2 EA) 407310104105 DUE TO BROKEN. REPAIRED.
- [SDR HEEA086992](https://openairdocs.org/sdr/HEEA086992.md): Bleed Valve · loose · Jun 3, 2003 · N494PH · Bell 407 · Compressor Bleed Valve
  > BLEED VALVE BODY EXCESSIVELY LOOSE. REPLACED.
- [SDR HEEA086983](https://openairdocs.org/sdr/HEEA086983.md): Nozzle · bent · Jun 3, 2003 · N494PH · Bell 407 · Fuel Injector Nozzle
  > FUEL NOZZEL BENT. SCRAPPED.
- [SDR HEEA086982](https://openairdocs.org/sdr/HEEA086982.md): Bearing · separated · Jun 3, 2003 · N494PH · Bell 407 · Main Rotor Head
  > BLUE BLADE FEATHERING BEARING SEPARATED.
- [SDR HEEA086959](https://openairdocs.org/sdr/HEEA086959.md): Starter Gen · vibration · Jun 3, 2003 · N494PH · Bell 407 · Starter-Generator
  > STARTER GEN HAS A HIGH FREQUENCY VIBRATION. REPAIRED. NO PROBLEM FOUND.
- [SDR HEEA086942](https://openairdocs.org/sdr/HEEA086942.md): Cover · missing · Jun 3, 2003 · N494PH · Bell 407 · Emergency Flotation Section
  > EMERGENCY FLOAT COVER MISSING AFT FLAP. TO BE SENT TO VENDOR.
- [SDR HEEA084398](https://openairdocs.org/sdr/HEEA084398.md): Switch · sticking · Feb 12, 2003 · N494PH · Bell 407 · Interphone/Passenger Announcement (PA) System
  > ICS/RADIO SWITCH INTERMITTENTLY STICKS IN TRANSMIT POSITION.
- [SDR HEEA084388](https://openairdocs.org/sdr/HEEA084388.md): Light · inoperative · Feb 12, 2003 · N494PH · Bell 407 · Independent Instruments
  > CLOCK LIGHT INOPERATIVE.
- [SDR HEEA084356](https://openairdocs.org/sdr/HEEA084356.md): Signal Cond Unit · malfunctioned · Feb 11, 2003 · N494PH · Bell 407 · Fuel Indicating System
  > SIGNAL COND UNIT MALFUNCTIONED, LOW LEVEL LIGHT INOPERATIVE.
- [SDR HEEA084252](https://openairdocs.org/sdr/HEEA084252.md): Trim Panel · cracked · Jan 20, 2003 · N494PH · Bell 407 · Fuselage Miscellaneous Structure
  > INTERIOR TRIM PANEL CRACKED.
- [SDR HEEA084240](https://openairdocs.org/sdr/HEEA084240.md): Panel · broken · Jan 20, 2003 · N494PH · Bell 407 · Fuselage Miscellaneous Structure
  > CABIN INTERIOR PANEL BROKEN.
- [SDR HEEA084228](https://openairdocs.org/sdr/HEEA084228.md): Panel · cracked · Jan 20, 2003 · N494PH · Bell 407 · Flight Compartment Equipment
  > SEAT PANEL CRACKED.
- [SDR HEEA084227](https://openairdocs.org/sdr/HEEA084227.md): Panel · cracked · Jan 20, 2003 · N494PH · Bell 407 · Passenger/Crew Doors
  > CREW/PAX DOOR PANEL CRACKED.
- [SDR HEEA084226](https://openairdocs.org/sdr/HEEA084226.md): Trim Panel · cracked · Jan 20, 2003 · N494PH · Bell 407 · Fuselage Miscellaneous Structure
  > INTERIOR TRIM PANEL CRACKED.
- [SDR HEEA084217](https://openairdocs.org/sdr/HEEA084217.md): Panel · cracked · Jan 20, 2003 · N494PH · Bell 407 · Fuselage Miscellaneous Structure
  > PAX DOOR INTERIOR PANEL CRACKED.
- [SDR HEEA083981](https://openairdocs.org/sdr/HEEA083981.md): Bearing · worn · Jan 17, 2003 · N494PH · Bell 407 · Engine Mount Section
  > ENGINE BIPOD MOUNT HAS A WORN BEARING.
- [SDR HEEA083945](https://openairdocs.org/sdr/HEEA083945.md): Rotor Head · damaged · Jan 17, 2003 · N494PH · Bell 407 · Tail Rotor Head
  > TAIL ROTOR HEAD MAKING A CLICKING NOISE WHEN BLADE IS FLAPPED. REPAIRED.
- [SDR HEEA083908](https://openairdocs.org/sdr/HEEA083908.md): Oil Cooler · leaking · Jan 17, 2003 · N494PH · Bell 407 · Main Rotor Gearbox
  > MAIN ROTOR OIL COOLER LEAKING.
- [SDR HEEA083895](https://openairdocs.org/sdr/HEEA083895.md): Universal · worn · Jan 16, 2003 · N494PH · Bell 407 · Main Rotor Drive System
  > MAIN ROTOR UNIVERSAL HAS BEARING WEAR.
- [SDR HEEA083894](https://openairdocs.org/sdr/HEEA083894.md): Universal · worn · Jan 16, 2003 · N494PH · Bell 407 · Main Rotor Drive System
  > MAIN ROTOR UNIVERSAL HAS BEARING WEAR.
- [SDR HEEA083887](https://openairdocs.org/sdr/HEEA083887.md): Universal · worn · Jan 16, 2003 · N494PH · Bell 407 · Main Rotor Drive System
  > MAIN ROTOR UNIVERSAL HAS BEARING WEAR.
- [SDR HEEA083884](https://openairdocs.org/sdr/HEEA083884.md): Universal · worn · Jan 16, 2003 · N494PH · Bell 407 · Main Rotor Drive System
  > MAIN ROTOR UNIVERSAL HAS BEARING WEAR.
- [SDR HEEA083820](https://openairdocs.org/sdr/HEEA083820.md): Swashplate · leaking · Jan 16, 2003 · N494PH · Bell 407 · Main Rotor Mast/Swashplate
  > MAIN ROTOR SWASHPLATE IS LEAKING GREASE. REPAIRED.
- [SDR HEEA083796](https://openairdocs.org/sdr/HEEA083796.md): Bearing · unstaked · Jan 15, 2003 · N494PH · Bell 407 · Engine Mount Section
  > REAR MOUNT BEARING IS UNSTAKED. REPLACED WITH SERVICEABLE PART.
- [SDR HEEA083779](https://openairdocs.org/sdr/HEEA083779.md): Line · leaking · Jan 15, 2003 · N494PH · Bell 407 · Turbine Engine Oil System
  > LINE SEEPING OIL. REPLACED WITH SERVICEABLE PART.
- [SDR HEEA083745](https://openairdocs.org/sdr/HEEA083745.md): Nozzle · bent · Jan 15, 2003 · N494PH · Bell 407 · Turbine Section
  > ENGINE NOZZLE BENT. SCRAPPED.
- [SDR HEEA083729](https://openairdocs.org/sdr/HEEA083729.md): Gauge · inaccurate · Jan 15, 2003 · N494PH · Bell 407 · Emergency Flotation Section
  > EMERGENCY FLOAT PRESSURE GAUGE GIVING INACCURATE INDICATIONS.
- [SDR HEEA083728](https://openairdocs.org/sdr/HEEA083728.md): Latch · worn · Jan 15, 2003 · N494PH · Bell 407 · Passenger/Crew Doors
  > PAX DOOR LATCH WORN.
- [SDR HEEA080203](https://openairdocs.org/sdr/HEEA080203.md): Gauge · leaking · Jun 26, 2002 · N494PH · Bell 407 · Emergency Flotation Section
  > EMERGENCY FLOAT BOTTLE GAUGE IS LEAKING.
- [SDR HEEA080202](https://openairdocs.org/sdr/HEEA080202.md): Relief Valve · leaking · Jun 26, 2002 · N494PH · Bell 407 · Emergency Flotation Section
  > EMERGENCY FLOAT BOTTLE RELIEF VALVE LEAKING.
- [SDR HEEA080028](https://openairdocs.org/sdr/HEEA080028.md): Link · worn · Jun 10, 2002 · N494PH · Bell 407 · Tail Rotor Control System
  > TAIL ROTOR LINK ASSY HAS WORN BEARINGS.
- [SDR HEEA079225](https://openairdocs.org/sdr/HEEA079225.md): Cover · torn · May 24, 2002 · N494PH · Bell 407 · Emergency Flotation Section
  > EMERGENCY FLOAT COVER IS TORN.
- [SDR HEEA079207](https://openairdocs.org/sdr/HEEA079207.md): Trunnion · worn · May 24, 2002 · N494PH · Bell 407 · Tail Rotor Head
  > TAIL ROTOR PITCH LINK ASSY TRUNNION WORN.
- [SDR HEEA079196](https://openairdocs.org/sdr/HEEA079196.md): Panel · cracked · May 24, 2002 · N494PH · Bell 407 · Fuselage Miscellaneous Structure
  > FUSELAGE TRIM PANEL CRACKED.
- [SDR HEEA079190](https://openairdocs.org/sdr/HEEA079190.md): Mount · separated · May 23, 2002 · N494PH · Bell 407 · Engine/Transmission Coupling
  > ENGINE/TRANSMISSION COUPLING MOUNT WEAK AND SEPARATED.
- [SDR HEEA079169](https://openairdocs.org/sdr/HEEA079169.md): Bearing · deteriorated · May 23, 2002 · N494PH · Bell 407 · Main Rotor Drive System
  > MAIN ROTOR DRIVE BEARING HAS A WEAK AND DETERIORATED BOOT.
- [SDR HEEA079165](https://openairdocs.org/sdr/HEEA079165.md): Boot · torn · May 23, 2002 · N494PH · Bell 407 · Tail Rotor Head
  > TAIL ROTOR HEAD BOOT IS TORN.
- [SDR HEEA079153](https://openairdocs.org/sdr/HEEA079153.md): Swashplate · damaged · May 23, 2002 · N494PH · Bell 407 · Main Rotor Mast/Swashplate
  > MAIN ROTOR SWASHPLATE PUSHING UP GREASE THROUGH UPPER SEAL.
- [SDR HEEA079052](https://openairdocs.org/sdr/HEEA079052.md): Cover · mismarked · May 15, 2002 · N494PH · Bell 407 · Emergency Flotation Section
  > RECEIVED COVER WITH P/N 206-050-247-138 FOR RIGHT HAND AFT POSITION. COVER FWD AND AFT FLAPS ARE SET UP FOR LEFT HAND.
- [SDR HEEA078896](https://openairdocs.org/sdr/HEEA078896.md): Shaft · stripped · May 13, 2002 · N494PH · Bell 407 · Main Rotor Control
  > STRIPPED BARREL NUT ON SHAFT.
- [SDR HEEA078576](https://openairdocs.org/sdr/HEEA078576.md): Hose · chafed · Apr 5, 2002 · N494PH · Bell 407 · Hydraulic System, Main
  > HYDRAULIC HOSE CHAFING ON THE FIRE SLEEVE FROM THE MLG DOOR SUPPORT.

Next page: https://openairdocs.org/aircraft/N494PH/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 = 'N494PH' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N494PH/reports

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