# SDR CWQR20120906048

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 6, 2012
- Submitted: September 12, 2012
- Operation: General aviation
- Aircraft: N301QS
- Make and model: Cessna 680CE
- Aircraft serial: 6800010
- Aircraft time: 6,178 hours
- Engine: Pwc PW306C
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: Tube
- Part number: 69553007
- Condition: Cracked
- Location: Apu Bay
- 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/CWQR20120906048

## Discrepancy

DURING A SCHEDULED MX CHECK, FOUND THIS TUBE ASSY CRACKED ABOUT HALF WAY AROUND THE FIREWALL FLANGE AT THE WELD.

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