# SDR ERAA079871

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2002
- Submitted: June 17, 2002
- Operation: Air carrier
- Make and model: Bolkms BO105C
- System (JASC): [5302 · Rotorcraft Tail Boom](https://openairdocs.org/jasc/5302)
- Part: Structure
- Condition: Cracked
- Location: Tailboom
- Component: Tailboom
- Component part number: 10530051
- 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/ERAA079871

## Discrepancy

90 DEGREE GEARBOX FITTING EXFOLIATED / INNER GRAINULAR CORROSION, CRACKED HORIZONTAL STABILIZER DOUBLER LEFT SIDE, SEVERAL CORRODED RIVETS & NUT PLEATER.   INSTALLED NEW 90 DEGREE GEARBOX FITTING, NEW HORIZONTAL STABILIZER DOUBLER AND REPLACED ALL NECESSARY NUT PLATE AS NEEDED.  CLEANED  TREATED  AND REPAIRED CORROSION AREAS AS INDICATED.

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