# SDR 99ZZZX48

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N487AL](https://openairdocs.org/aircraft/N487AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53204
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Disc Pack
- Part number: 406040340101
- Condition: Damaged
- Location: T/R Drive
- 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/99ZZZX48

## Discrepancy

DURING 25-HOUR INSPECTION, FOUND GAP BETWEEN THE NR 1 DISC (MOST FORWARD) AND NR 2 DISC BEYOND .015 INCH.  (THE NR 1 DISC IS THE ONE WITH THE PART NUMBERS SHOWING).

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