# SDR ASOA201100129

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2011
- Submitted: January 21, 2011
- Operation: Air carrier
- Aircraft: [N837AS](https://openairdocs.org/aircraft/N837AS), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7271
- Aircraft time: 29,215 hours, 25,929 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Doubler
- Condition: Corroded
- Location: Floor Panel
- 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/ASOA201100129

## Discrepancy

LT PRESSURE FLOOR SKIN DOUBLER OTBD OF LBL 36 AT FS 449+85 IS CORRODED. REMOVED CORROSION ON LT PRESSURE FLOOR SILL ASSY (SKIN DOUBLER) IAW REO 601R-53-41-666.  REF MATERIAL LOSS FOR PRESSURE FLOOR SILL ASSY ANGLE WAS .010 FROM PREVIOUS BLENDOUT DATED 1/21/09.  REMOVED .007 MORE MATERIAL MAKING .017 TOTAL MATERIAL LOSS.  REMAINING MATERIAL IS .063., MINIMUM ALLOWABLE MATERIAL THICKNESS IS .055 IAW REO 601R-53-41-666.  AREA FOUND IN LIMITS IAW REO 601R-53-41-666.  TREATED, PRIMED AND TOP COATED AREA IAW REO 601R-53-41-666.  PERFORMED EDDY CURRENT OF LT FLOOR SKIN DOUBLER REPAIRED AREAS IAW NDTM 51-20-06.  NO INDICATIONS NOTED AT THIS TIME.   APPLIED CIC IAW REO 601R-53-41-666, 2-2 STEP F.

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