# Service difficulty reports: N133EH

A list on [N133EH](https://openairdocs.org/aircraft/N133EH.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

- [SDR ERAA098179](https://openairdocs.org/sdr/ERAA098179.md): Governor · split · Aug 11, 2004 · N133EH · Bolkms BO105S · Turbine Governor
  > 10 PERCENT TORQUE SPLIT WHEN ADJUSTED ALL THE WAY UP, LADDER GOVERNOR DROPS OUT OF SERVICE LIMITS. OVERHAULED IAW HONEYWELL OHM FORM 15 1095A.
- [SDR ERAA097526](https://openairdocs.org/sdr/ERAA097526.md): Float · leaking · Aug 9, 2004 · N133EH · Bolkms BO105S · Emergency Flotation Section
  > CYLINDER LEAKING. CYLINDER SQUIB VALVE ASSY TO BE LEAKING. REMOVED SQUIB VALVE/MANIFOLD ASSY FROM CYLINDER. REMOVED AND REPLACED O-RING AND BACK UP RING. VALVE TO MANIFOLD JUNCTION AND RE-INSTALLED VALVE/MANIFOLD ASSY ONTO CYLINDER. RE-CHARGED CYLINDER A
- [SDR ERAA097507](https://openairdocs.org/sdr/ERAA097507.md): Compressor · cracked · Jul 14, 2004 · N133EH · Bolkms BO105S · Turbine Engine Compressor Section
  > CRACKED AND FOD ON IMPELLER VANES. OVERHAULED COMPRESSOR, COMPLIED WITH CEB A-1392 ADAPTER COUPLING.
- [SDR ERAA097093](https://openairdocs.org/sdr/ERAA097093.md): Engine · fod · Jul 14, 2004 · N133EH · Bolkms BO105S · Engine (Turbine/Turboprop)
  > ENGINE HAS HARD CLUTCH ENGAGEMENT. GEARBOX PILOT BORE DELAMINATED, COMPRESSOR FOD. INSPECTED ENGINE ASSY IAW RR OMM CH 72-00-00 PARA I.D. (4). INSTALLED SERVICEABLE COMPRESSOR AND GEARBOX.
- [SDR ERAA096641](https://openairdocs.org/sdr/ERAA096641.md): Shim · missing · Jul 14, 2004 · N133EH · Bolkms BO105S · Turbine Governor
  > GOVERNOR HAS ONLY 178.4 HOURS SINCE OVERHAUL AT ACRO. SHIMS ARE MISSING ON DRIVESHAFT. RETURNING ON ERA REPAIR ORDER RW-899866 REQUESTING WARRANTY REPAIR.
- [SDR ERAA098195](https://openairdocs.org/sdr/ERAA098195.md): Transmitter · cracked · Jun 22, 2004 · N133EH · Bolkms BO105S · Fuel Quantity Sensor
  > FUEL PROBE FLOAT STICKS. FOUND CASE CRACKED. REPLACED CASE ASSY. UNIT THEN FUNCTIONALLY TESTED GOOD.
- [SDR ERAA097105](https://openairdocs.org/sdr/ERAA097105.md): Rotor Head · leaking · May 24, 2004 · N133EH · Bolkms BO105S · Main Rotor Head
  > LEAKING INBOARD SEAL. SEALS WORN, WEAR RINGS GROOVED, FLAT WASHERS WARPED. DISASSEMBLED TO FACILITATE INBOARD SEAL REPLACEMENT. VISUALLY INSPECTED AND FOUND SLIGHT CORROSION, REPAIRED.
- [SDR ERAA097505](https://openairdocs.org/sdr/ERAA097505.md): Governor · binding · Mar 30, 2004 · N133EH · Bolkms BO105S · Turbine Governor
  > GOVERNOR HAS BINDING ARM. UNABLE TO TEST AS RECEIVED DUE TO SEIZED THROTTLE. BUSHING SEIZED, INTERNAL BEARINGS FOUND ROUGH/DRY. REPAIRED AND TESTED IAW HONEYWELL OHM FORM 15-1095A.
- [SDR ERAA086448](https://openairdocs.org/sdr/ERAA086448.md): Bleed Valve · failed · Apr 25, 2003 · N133EH · Bolkms BO105CBS · Compressor Bleed Control
  > BLEED VALVE / COMPRESSOR STALL: OVERHAULED BLEED VALVE CHANGED NECESSARY PARTS..
- [SDR ERAA077292](https://openairdocs.org/sdr/ERAA077292.md): Bearing · failed · Nov 15, 2001 · N133EH · Bolkms BO105S · Tail Rotor Gearbox
  > BEARING ROLLER FALLS OUT OF CAGE.
- [SDR ERAA074830](https://openairdocs.org/sdr/ERAA074830.md): Squib Valve · corroded · Jul 30, 2001 · N133EH · Bolkms BO105S · Emergency Flotation Section
  > SQUIB VALVE CORRODED. VALVE BODY IS BULGING (OR PERTRUDING) AS INDICATED ON VALVE. CORRECTIVE ACTION: SQUIB VALVE REMOVED FROM AIRCRAFT AND TAGGED AS UNSERVICEABLE.
- [SDR ERAA065409](https://openairdocs.org/sdr/ERAA065409.md): Bearing · failed · Nov 10, 1999 · N133EH · Bolkms BO105S · Turbine Engine Compressor Section
  > ENGINE MAKING METAL; 2 1/2 BEARING FAILED, MINOR FOD 1ST STAGE COMPRESSOR.
- [SDR ERAA065407](https://openairdocs.org/sdr/ERAA065407.md): Engine · making metal · Nov 10, 1999 · N133EH · Bolkms BO105S · Engine (Turbine/Turboprop)
  > ENGINE MAKING METAL (2 1/2 BEARING FAILURE)
- [SDR ERAA064362](https://openairdocs.org/sdr/ERAA064362.md): Case Half · delaminating · Sep 9, 1999 · N133EH · Bolkms BO105S · Turbine Engine Compressor Section
  > CASE HALF OVERHAULED 7/98. CASE HAS 326.3 HOURS SINCE O/H AND PLASTIC IS DELAMINATING ON SIDE.
- [SDR ERAA062369](https://openairdocs.org/sdr/ERAA062369.md): Bevel Gear Set · making metal · Apr 20, 1999 · N133EH · Bolkms BO105S · Main Rotor Gearbox
  > TRANSMISSION MAKING METAL. GEAR SET BREAKING DOWN.
- [SDR ERAA96247](https://openairdocs.org/sdr/ERAA96247.md): Governor · malfunction · Jun 14, 1996 · N133EH · Bolkms BO105S · Turbine Governor
  > GOVERNOR CAUSES TORQUE SPLIT 12% ON TAKEOFF AND CRUISE. GOVERNOR WAS OVERHAULED 9-18-96.
- [SDR ERAA96232](https://openairdocs.org/sdr/ERAA96232.md): Bearing · making metal · May 3, 1996 · N133EH · Bolkms BO105S · Tail Rotor Gearbox
  > BEARING WITH 16.7 HRS ROUGH, GEARBOX MAKING METAL.
- [SDR ERAA96206](https://openairdocs.org/sdr/ERAA96206.md): Roller Bearing · making metal · Mar 1, 1996 · N133EH · Bolkms BO105S · Tail Rotor Gearbox
  > GEARBOX MAKING METAL. ROLLERS ARE ROUGH, METAL CHIPS FOUND ON ROLLERS.
- [SDR ERAA96204](https://openairdocs.org/sdr/ERAA96204.md): Roller Bearing · making metal · Feb 26, 1996 · N133EH · Bolkms BO105S · Tail Rotor Gearbox
  > GEARBOX MAKING METAL. INNER RACE HAS DAMAGE THAT CAN BE FELT WITH A PROBE.
- [SDR ERAA96203](https://openairdocs.org/sdr/ERAA96203.md): Roller Bearing · making metal · Feb 26, 1996 · N133EH · Bolkms BO105S · Tail Rotor Gearbox
  > NEW BEARING THAT HAS PITTING ON OUTER RACE, GEARBOX MAKING METAL.
- [SDR ERAA96202](https://openairdocs.org/sdr/ERAA96202.md): Bearing · making metal · Feb 26, 1996 · N133EH · Bolkms BO105S · Tail Rotor Gearbox
  > GEARBOX MAKING METAL, OUTER RACE HAS PITS, ROLLERS ARE ROUGH.

## 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 = 'N133EH' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N133EH/reports

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