# SDR AU970436

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Engine: Lyc O320H2AD
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Valve
- Part number: LW16740
- Condition: Unapproved Part
- Location: Recip Eng Exh
- Component: Lyc, O320H2AD
- 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/AU970436

## Discrepancy

(AUS) WHEN FITTING A NEW CYLINDER KIT TO THE ENGINE IT WAS FOUND THAT THE INCORRECT EXHAUST VALVE WAS FITTED TO THE CYLINDER - EXHAUST VALVE PNO LW16740 (ANGLE VALVE CYLINDER) WAS FITTED INSTEAD OFTHE CORRECT PNO LW19001 - PERSONNEL/MAINTENANCE ERROR - UNAPPROVED PART

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