# SDR SWIA202160974

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2021
- Submitted: September 13, 2021
- Operation: Air carrier
- Aircraft: [N170PQ](https://openairdocs.org/aircraft/N170PQ), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15170
- Aircraft time: 31,717 hours, 21,797 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Corroded
- Location: Bs 310-319 S20r
- 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/SWIA202160974

## Discrepancy

*CORROSION ON INTERCOSTAL ATTACHED TO STGR 20R BETWEEN FS 310.00 €“ 319.00      (C-CHECK RO 9/8/2021)    REMOVED AND REPLACED INTERCOSTAL AT STGR 20R BETWEEN FS310 AND FS319. REF. CRJ900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 AND DWG# SH670-31950 REV. Y SHEET 9. / COMPLIED WITH SKYWEST TASK CARD 51-900-1002-SKY (CL600-2D24) STRUCTURAL MAJOR REPAIR (**RII**)

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