# SDR 2011FA0000418

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2011
- Submitted: June 24, 2011
- Operation: General aviation
- Aircraft: [N560PC](https://openairdocs.org/aircraft/N560PC), registered now
- Make and model: Cessna 152
- Registry model: [Cessna 152](https://openairdocs.org/model/cessna-152) (OpenAirDocs)
- Aircraft serial: 15281915
- Aircraft time: 10,955 hours
- Engine: Lyc O235L2C
- Engine time: 1,278 cycles
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Nut
- Part number: STD587
- Condition: Loose
- Location: Rocker Adjust
- Stage of operation: CR
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2011FA0000418

## Discrepancy

ROCKER ADJUSTMENT JAM NUT LOOSENED; ALLOWED ADJUSTER TO BACK OUT; CAUSED EXCESSIVE VALVE CLEARANCE; PARTIAL LOSS OF POWER AND FORCED OFF-FIELD LANDING.

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