# SDR CWQR.2011.11

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2011
- Submitted: May 5, 2011
- Operation: General aviation
- Aircraft: [N645QS](https://openairdocs.org/aircraft/N645QS), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605145
- Aircraft time: 8,717 hours
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: Angle
- Part number: 66536011213
- 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/CWQR.2011.11

## Discrepancy

THE CRACKED APU CONTAINMENT BOX ANGLES WERE FOUND DURING APU REPLACEMENT.  BOTH ANGLES WERE FOUND CRACKED PAST THE LAST RIVET IN THE BEND RADIUS.

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