# SDR A6WA202012297497

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2020
- Submitted: December 29, 2020
- Operation: Air carrier
- Aircraft: [N457AW](https://openairdocs.org/aircraft/N457AW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7854
- Aircraft time: 37,789 hours, 36,912 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 601R31145218
- Condition: Corroded
- Location: Cabin
- 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/A6WA202012297497

## Discrepancy

PRESSURE FLOOR ANGLE AND PANEL AT FS 449.875 TO FS 461, RBL 42, STR 17, W/L 73.50, STR 17 HAS CORROSION.  AIRCRAFT REMOVED FROM SERVICE.  REMOVED CORROSION FROM (2 EA) POSITIONS AT FS 449.875 TO FS 461, RBL 42, STR 17, W/L 73.50, STR 17.  REWORKED DIMENSIONS (P1)=1.9 L X 0.7 W, (P2)=3.3 L X 0.7 W, REF REO 601R-53-41-666 REV (C).  PERFORMED HFEC INSPECTION ON PRESSURE FLOOR ANGLE AT FS 449.875 TO FS 461, RBL 42, STR 17, W/L 73.50, STR 17 REO 601R-53-41-666 REV (C) DATED 2012-11-06 AND CRJ 200 PART 1 REV 42 NDTM 51-20-06, NO INDICATION NOTED.  EDDY CURRENT TESTER S/N: 200051301 CAL DUE: 01/24/21.  PERFORMED UT THICKNESS MEASUREMENT ON BLENDED AREA OF PRESSURE FLOOR ANGLE AT FS 449.875 TO FS 461, RBL 42, STR 17, W/L 73.50, STR 17.  (P1) THICKNESS .043, (P2) THICKNESS .078, EVALUATED BLENDS FOUND TO BE WITHIN LIMITS, REF REO 601R-53-41-666 REV (C) DATED 2012-11-06 AND CRJ 200 PART 4 REV 42 NDTM 51-00-001.  UT GAUGE S/N: DBT-CT-1033 CAL DUE: 02-19-21.  APPLIED PROTECTIVE FINISH TO BLENDS, REF REO 601R-53-41-666 REV (C) DATED 2012-11-06.

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