# SDR 2014FA0000556

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2014
- Submitted: September 25, 2014
- Operation: Air carrier
- Aircraft: N851A
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605575
- Aircraft time: 5,221 hours, 4,791 cycles
- Engine: Lyc O290
- System (JASC): [2170 · Humidity Control System](https://openairdocs.org/jasc/2170)
- Part: Tube
- Part number: 66150405
- Condition: Delaminated
- Location: Coaleser Sock
- Part time: 5,221 hours, 4,791 cycles
- Stage of operation: NR
- 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/2014FA0000556

## Discrepancy

INSPECTING HUMIDITY REGULATOR FOUND PARTICLES OF FLAKED OFF MATERIAL TRAPPED IN THE SOCK.  INSPECTED UPSTREAM AND FOUND THAT THE COATING IN THE TUBE WAS FLAKING OFF.

---
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.