# SDR COZA20230309141

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 2023
- Submitted: March 10, 2023
- Operation: Air carrier
- Aircraft: N732KA
- Make and model: Boeing 737-59D
- Registry model: [Boeing 737-59D](https://openairdocs.org/model/boeing-737-59d) (OpenAirDocs)
- Aircraft serial: 25065
- Aircraft time: 46,389 hours, 39,751 cycles
- Engine: Cfmint CFM563C1
- Engine time: 38,408 hours, 30,295 cycles
- System (JASC): [7100 · Powerplant System](https://openairdocs.org/jasc/7100)
- Part: None
- Condition: None
- Stage of operation: CR
- How discovered: V
- Nature of condition: R
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COZA20230309141

## Discrepancy

IN CRUISE FLIGHT THE LEFT ENGINE SURGED REPEATEDLY.  THE ENGINE STOPPED SURGING WHEN AT FLIGHT IDLE.  AIRCRAFT LANDED WITH THE LEFT ENGINE AT IDLE POWER.

---
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.