# SDR CWQR20160216004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2016
- Submitted: February 16, 2016
- Operation: Air carrier
- Aircraft: [N686QS](https://openairdocs.org/aircraft/N686QS), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605661
- Aircraft time: 8,101 hours
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Air Duct
- Part number: 665560045
- Condition: Cracked
- Location: Apu
- 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/CWQR20160216004

## Discrepancy

DURING AN INSPECTION WE FOUND THE APU AIR DUCT MOUNTING FLANGE CRACKED WHERE IT ATTACHES TO THE DUCT ASSEMBLY.  REPLACED AIR DUCT WITH UPGRADED 6655600-49 ASSEMBLY & SENT A SERVICE CONDITION REPORT 745481 TO MFG.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.