# SDR S9H2010F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2010
- Submitted: May 21, 2010
- Operation: Air carrier
- Aircraft: [N548SA](https://openairdocs.org/aircraft/N548SA), registered now
- Make and model: Aerosp AS 355F1
- Registry model: [Aerosp AS 355F1](https://openairdocs.org/model/aerospatiale-as-355f1) (OpenAirDocs)
- Aircraft serial: 5167
- Engine: Allsn 250C20
- System (JASC): [5302 · Rotorcraft Tail Boom](https://openairdocs.org/jasc/5302)
- Part: Structure
- Part number: 355A14052201
- Condition: Cracked
- Location: Tailboom Stab
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/S9H2010F00000

## Discrepancy

DURING ROUTINE 100 HR INSPECTION OF TAIL ROTOR DRIVE SHAFT BEARINGS, FOUND CRACK IN THE UPPER VERTICAL STABILIZER.  REPLACED VERTICAL STABILIZER WITH SERVICEABLE UNIT.

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