# SDR CA150708006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2015
- Submitted: April 22, 2016
- Operation: General aviation
- Make and model: Dhav DHC8301
- Aircraft time: 58,489 hours
- Engine: Pwa PW123
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Precooler
- Condition: Cracked
- Location: Engine Oil
- Part time: 24,919 hours
- Stage of operation: CR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA150708006

## Discrepancy

(CAN) ENGINE TEMPS FOUND 90 DEGREES HOTTER ON ONE SIDE THAN THE OTHER UPON INVESTIGATION, THE PRE- COOLER ON THAT SIDE WAS FOUND CRACKED AND WITH PIECES MISSING.  CRACKS FOUND ON WELDS AND LOOKS LIKE GENERAL FATIGUE, AS A SIDE NOTE THE LAST REPAIR DONE ON THIS PART WAS ALSO FOR A CRACKED WELD. PRE COOLER REPLACED AND AIRCRAFT RTS.

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