# SDR 2023FA0000294

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 2023
- Submitted: June 2, 2023
- Operation: General aviation
- Aircraft: [N194LE](https://openairdocs.org/aircraft/N194LE), registered now
- Make and model: Robsin R22BETAII
- Aircraft serial: 4094
- Aircraft time: 9,126 hours
- Engine: Lyc O360J2A
- Engine time: 667 hours
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Rocker
- Condition: Damaged
- Location: Valve Train
- Part time: 667 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2023FA0000294

## Discrepancy

DURING ROUTINE MX, LYCOMING SB388C (EXHAUST VALVE GUIDE INSPECTION) FOUND 3 OF 4 EXHAUST ROCKER ARMS, PUSH RODS & LIFTER SOCKETS TO HAVE MECHANICAL DAMAGE "HEAVY SCUFF". LYCOMING FACTORY OVERHAULED, O-360-J2A, S/N L-41749-36E,  ETT: 667.2, ETSO: 330.6

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