# SDR 20000829SH017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2000
- Submitted: August 29, 2000
- Operation: General aviation
- Aircraft: [N911ED](https://openairdocs.org/aircraft/N911ED), registered now
- Make and model: Bell 222U
- Registry model: [Bell 222U](https://openairdocs.org/model/bell-222u) (OpenAirDocs)
- Aircraft serial: 45771
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Nut
- Part number: 12NH8EB080
- Condition: Unserviceable
- Location: M/R Ptich Horn
- Part time: 506 hours
- Component: M/R Hub, Bell
- 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/20000829SH017

## Discrepancy

NUT P/N 12NH-8 AND P/N EB080.  LOOSE TORQUE IF INSTALLED IAW ASB 222U-98-54, ASB HAS NO WASHER INSTALLED UNDER THE HEAD OF THE NUT.  THE NUT BECOMES DEFORMED AND LOSES TORQUE.  CORRECTED ASB 222U-98-54 TO SHOW A WASHER P/N 140-007-33-28=3, AND NEW NUT P/N 7594S820.  (X)

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