# SDR 99ZZZX3709

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 31, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [StandardAero Business Aviation Services, L.L.C., repair station UO2R221L](https://openairdocs.org/faa-repair-station/UO2R221L/standardaero-business-aviation-services-l-l-c.md) (OpenAirDocs)
- Engine: Garrtt TFE73131G
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Diffuser
- Part number: 30770492
- Condition: Cracked
- Location: Compressor
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX3709

## Discrepancy

FOUND SUBJECT PART CRACKED ON BACK FACE, 2 EACH CRACKS.  APPROXIMATELY AT THE 4 O'CLOCK POSITION.  CRACK LENGTH 1.0 INCH AND 0.75 INCH.  ALLIED SIGNAL HAS BEEN NOTIFIED.

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