# SDR 96ZZZX5188

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N178AC](https://openairdocs.org/aircraft/N178AC), registered now
- Make and model: Skrsky S64F
- Aircraft serial: 64097
- System (JASC): [6410 · Tail Rotor Blades](https://openairdocs.org/jasc/6410)
- Part: Blade Bolt
- Part number: 73676HA78
- Condition: Fractured
- Location: Red T/R Blade
- Part time: 76 hours
- Stage of operation: CL
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX5188

## Discrepancy

CLIMB, 50-60 KTS IAS ABOUT 1K FPM RATE , PILOT  NOTED VIBRATION IN T/R.  RETURNED ORIG TAKEOFF POINT, LANDED.  VIBRATION BECAME STRONGER DURING DESCENT.  FOUND 8 BOLTS RETAINING T/R BLADE, 1 EA BOLT HEAD  MISSING AND NEVER FOUND.  3 EA BOLT HEADS BROKEN ABOUT 3RD THREAD OTBD FROM SHANK, AND 2 BOLTS HAD NO TORQUE REMAINING.    RED T/R BLADE REPLACED AND ACFT INSPECTED FOR  PROBLEMS, NONE FOUND.   THIS IS UPDATED MDR.

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