# SDR ASAA0955837

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 2009
- Submitted: June 5, 2009
- Operation: Air carrier
- Aircraft: [N557AS](https://openairdocs.org/aircraft/N557AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35176
- Aircraft time: 11,368 hours, 3,306 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Making Metal
- Location: Nr 1
- 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/ASAA0955837

## Discrepancy

FOUND NON MAGNETIC FLAKE DEBRIS IN SCAVENGE FILTER DURING ACCOMPLISHMENT OF TC 74479002.  MATERIAL HAS BEEN VISUALLY IDENTIFIED AS SILVER COATING (NR 1 ENGINE).  ON PLT REINSPECT DEFERRAL.

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