# SDR 99ZZZX235

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N248F
- Make and model: Amtr MINI500
- Aircraft serial: 402B
- System (JASC): [6300 · Main Rotor Drive System](https://openairdocs.org/jasc/6300)
- Part: O Ring
- Condition: Pinched
- Location: Clutch
- Part time: 5 hours
- Stage of operation: IN
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX235

## Discrepancy

FILM OF OIL OBSERVED AROUND INSIDE OF THE SPRAGUE CLUTCH.  A CALL TO  REVOLUTION HELICOPTER CONFIRMED RED COLOR.  INSPECTION REVEALED NO REMAINING FLUID AND A PINCHED O-RING.  SEIZURE WAS IMMINENT.  SUBMITTER SUGGESTED POOR QC AT ASSEMBLY AND RECOMMENDED ALL CLUTCHES BE INSPECTED FOR LEAKAGE.  NO MEANS PROVIDED TO CHECK LUBRICANT QUANTITY WITHOUT DISASSEMBLY.

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