# SDR 96ZZZX1724

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [National Flight Services Inc, repair station DSCR311D](https://openairdocs.org/faa-repair-station/DSCR311D/national-flight-services-inc.md) (OpenAirDocs)
- Engine: Garrtt TPE33112UHR
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Seal
- Part number: 31038391
- Condition: Flange Cracked
- Location: Turb 1st Stage
- Part time: 10,508 hours
- 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/96ZZZX1724

## Discrepancy

DURING SCHEDULED HOT SECTION INSPECTION, FOUND AIR SEAL CRACKED AT SEALING FLANGE.   THIS IS A CRITICAL LIFE-LIMITED COMPONENT.  LIFE-LIMIT IS 20,000 CYCLES.  SUBMITTER SUGGESTS ALLIED SIGNAL ENGINEERING DETERMINE/CORRECT CAUSE OF CRACKING.  THIS IS THE 22ND MALFUNCTION/DEFECT REPORT SUBMITTED ON THIS TOPIC BY THIS REPAIR STATION ALONE.  PART TOTAL CYCLES, 10,865.

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