# SDR CA990310078

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Bearings
- Part number: 4149471P015
- Condition: Wrong Part
- Location: Rotor
- Component: Ge, 2CM9ABY7
- Stage of operation: IN
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA990310078

## Discrepancy

(CAN) OEM USES SHIELDED NHBB BEARINGS.  BEARINGS REMOVED WERE BETTER QUALITY SEALED BEARINGS MADE BY NMB.  SUBMITTER STATED THIS IS AN UNAPPROVED PART.

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