# SDR 99ZZZX855

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N951AM](https://openairdocs.org/aircraft/N951AM), registered now
- Make and model: Bolkms BK117A3
- Aircraft serial: 7017
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Bushing
- Part number: 134616P
- Condition: Worn
- Location: T/R Hub
- Part time: 426 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX855

## Discrepancy

TEFLON LINERS WORN BEYOND SERVICEABLE LIMITS.  REPLACED WITH NEW UNIT, CORRECTED PROBLEM.

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