# SDR CWQR20121221055

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2012
- Submitted: December 21, 2012
- Operation: General aviation
- Aircraft: N600QS
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605664
- Aircraft time: 5,220 hours
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Tube
- Part number: 665560045
- Condition: Cracked
- Location: Bleed Air Sys
- 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/CWQR20121221055

## Discrepancy

DURING AN APU CHANGE,  FOUND A 2.5" CRACK IN THE BLEED AIR TUBE ATTACHMENT FLANGE.  DISCOVERED VISUALLY AND THE CRACK DID NOT EXTEND INTO THE TUBE, NO BLEED AIR LEAK.

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