# SDR Z1R2003F00002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2003
- Submitted: October 29, 2003
- Operation: Air carrier
- Aircraft: [N761AF](https://openairdocs.org/aircraft/N761AF), registered now
- Make and model: Skrsky S76C
- Aircraft serial: 760524
- System (JASC): [1430 · Fasteners](https://openairdocs.org/jasc/1430)
- Part: Screw
- Part number: 7615009143041
- Condition: Broken
- Location: M/R Tip Cap
- Part time: 903 hours
- 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/Z1R2003F00002

## Discrepancy

BLUE BLADE TIP CAP M/R SCREW.  CORROSION AROUND ALL SCREWS, FIRST TWO THREADS.  SEVERAL SCREWS APPEARED TO NO HAVE A FLUSH MOUNTING UNDER THE SCREW END.  LENDING EDGE TOP SCREW HAD DEVELOPED A CRACK ( 90 PERCENT THROUGH SCREW) AND BROKE UPON REMOVAL.  LARGE SCREWS, INSTALLATION TORQUE 100 IN/LBS BREAK AWAY TORQUE UPON REMOVAL WAS 170-100 IN/LBS.(K)

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