# SDR SWIA202054785

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 3, 2020
- Submitted: December 30, 2020
- Operation: Air carrier
- Aircraft: [N802SK](https://openairdocs.org/aircraft/N802SK), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15061
- Aircraft time: 36,533 hours, 23,029 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Structure
- Condition: Corroded
- Location: Waste Water
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA202054785

## Discrepancy

INTERNAL STRUCTURE FOR THE FWD LAV WASTE WATER SERVICING CUT-OUT HAS CORROSION ON THE LOWER SURFACE AT APPROXIMATELY STGR 23R AND FS 379, MARKED.  C-CHECK RO 12/26/2020.  FOUND REMAINING MATERIAL OF THE FWD LAV WASTE LOWER DIAPHRAGM TO BE BEYOND ALLOWABLE DAMAGE LIMITS.  REMOVED AND INSTALLED NEW FWD LAV WASTE LOWER DIAPHRAGM, REF CRJ 900 SRM AND DWG.  SEE CONTINUATION CARD FOR DETAILS.  COMPLETED FORM M337, ALL OPERATIONS AND LEAK CHECKS GOOD, NO DEFECTS NOTED.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.