# SDR 95ZZZX488

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Engine: Cont IO520*
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Rotor Cap
- Part number: 629117
- Condition: Defective
- Location: Valve
- 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/95ZZZX488

## Discrepancy

THREE EACH VALVE ROTOR CAPS RECEIVED ON 3 NEW CYLINDERS.  TWO OF THE 3 WILL NOT ROTATE.  ONE OF THE 3 HAS NO INTERNAL PARTS.  ONE VALVE ROTOR CAP BROKEN.  TOTAL TIME 350 HOURS.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.