# SDR SWIA2021070959356

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 2021
- Submitted: July 9, 2021
- Operation: Air carrier
- Aircraft: [N899SK](https://openairdocs.org/aircraft/N899SK), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15112
- Aircraft time: 28,886 hours, 22,195 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Door Sill
- Condition: Corroded
- Location: Bs 319-349
- 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/SWIA2021070959356

## Discrepancy

* CORROSION DETECTED ON SERV DOOR LWR SILL (OTBD) "ANGLE" SEVERAL PLACES BETWEEN F.S. 319.70 AND 349.00 (MARKED).     (C-CHECK RO 7/7/2021)    REMOVED AND REPLACED NEW LOWER SILL OUTBOARD ANGLE ON SERVICE DOOR REF CRJ900 SRM 51-42-06-001-001-A01 AND DWG SH670-31950 REV Y. COMPLY WITH TASK CARD 51-900-1002-SKY AND FORM M-337. SEE CONTINUE CARD FOR MORE DETAILS

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