# SDR ASAA0955557

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2009
- Submitted: May 11, 2009
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 8,367 hours, 2,463 cycles
- Engine: Cfmint CFM567B27
- Engine time: 8,367 hours, 2,463 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Malfunctioned
- Location: Nr 1
- Part time: 8,367 hours, 2,463 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA0955557

## Discrepancy

ECM DATA SHOWS LOWER THAN NORMAL EGT MARGIN ON THE NR 1 ENGINE.  GROUNDED YES.  PERFORMED CLEANING OF THE NR 1 ENG.  GAS PATH WITH PURE WATER.

---
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.