# SDR SWIA2020032649402

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 2020
- Submitted: March 26, 2020
- Operation: Air carrier
- Aircraft: [N709BR](https://openairdocs.org/aircraft/N709BR), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7850
- Aircraft time: 38,208 hours, 32,915 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Panel
- Condition: Corroded
- Location: Fuselage
- 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/SWIA2020032649402

## Discrepancy

* CORROSION ON FUSELAGE AT MULTIPLE FASTENER LOCATIONS FOR PANELS 191BB AND 192BB BETWEEN APPROXIMATELY FS 409+64 AND FS409+100 BELOW STR20L AND STR20R (MARKED).   (C-CHECK) RO 3/25/2020   REMOVED CORROSION ON FUSELAGE AT MULTIPLE FASTENER LOCATIONS FOR PANELS 191BB AND 192BB BETWEEN APPROXIMATELY FS 409+64 AND FS409+100 BELOW STR20L AND STR20R. REF CRJ200 SRM. NDT COMPLIED WITH PERF'D U/T INSP ON FUSELAGE SKIN BLEND OUTS IAW CRJ200 NDTM USING TUC7933 CAL DUE 04/30/20. MINIMUM THICKNESS IS .054. NDT REPORT ATTACHED. EVALUATED BLENDED AREAS. (TOTAL 35 FASTENER HOLES) ORIGINAL MATERIAL THICKNESS .058€? REF CRJ200 SRM PAGE 2 AND 5. REMAINING THICKNESS AT FOLLOWING LOCATIONS #1 .056€?, #2 .057€?, #3 .058€?, #4 .057€?, #5 .057€?, #6 .057€?, #6 .057€?, #7 .056€?, #8 .057€?, #9 .057€?, #10 .057€?, #11 .057€? #12 .056€?, #13 .057€?, #14 .056€?, #15 .056€?, #16 .054€? #17 .057€?, #18 .055€?, #19 .057€? #20 .057€?, #21 .056€?, #22 .057€?, #23 .057€? #24 .056€?, #25 .058€?, #26 .055€?, #27 .058€?, #28 .056€?, #29 .057€?, #30 .057€?, #31 .057€?, #32 .056€?, #33 .055€?, #34 .057€?, AND #35 .057€?. NO ALLOWABLE DAMAGE IN BLENDED AREAS THEREFORE FOUND TO BE OUT OF LIMITS. REF CRJ200 SRM ALL THICKNESS WERE MARKED ON PART. SEE STEP 3 OF THIS CONTI

---
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.