# SDR ERAA094451

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2003
- Submitted: May 10, 2004
- Operation: Air carrier
- Aircraft: [N124EH](https://openairdocs.org/aircraft/N124EH), registered now
- Make and model: Bolkms BO105S
- Aircraft serial: S559
- Aircraft time: 14,912 hours
- System (JASC): [6520 · Tail Rotor Gearbox](https://openairdocs.org/jasc/6520)
- Part: Shaft
- Condition: Scored
- Location: Gearbox
- Part time: 6,135 hours
- Component: Gearbox
- Component part number: 4619003003
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ERAA094451

## Discrepancy

TAILROTOR SHAFTS SCORED.  SENT FOR REPAIR.  SHAFT BEYOND LIMITS.  SCRAPPED IAW BO-105 MM CHAPTER 33 FIG 33-12 ACTION TAKEN:  REMOVED AND SCRAPPED TAIL ROTOR SHAFT 5/1454.  INSTALLED NEW SHAFT 5/2185 IAW BO-105 MM CHAPTER 33 PARA 33-22.  REAMED BUSHINGS AS REQUIRED, PRO-SEALED AS REQUIRED.

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