# SDR IXXA201306120006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2013
- Submitted: June 12, 2013
- Operation: Air carrier
- Aircraft: [N620DL](https://openairdocs.org/aircraft/N620DL), registered now
- Make and model: Boeing 757-2Y0
- Registry model: [Boeing 757-2Y0](https://openairdocs.org/model/boeing-757-2y0) (OpenAirDocs)
- Aircraft serial: 22910
- Aircraft time: 76,960 hours, 38,364 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Bs 1075
- 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/IXXA201306120006

## Discrepancy

CORROSION WAS DISCOVERED ON THE UPPER CARGO FLOOR SUPPORT BS 1075, LBL 47, FLOOR AREA INBD SURFACE.  BLENDED AREA OF CORROSION IAW SRM 53-00-52.  PERFORMED ULTRASONIC INSPECTION OF AREA IAW NDT MM PART 4, 51-00-10. MATERIAL REMOVED IS OUT OF LIMITS.  FABRICATED NEW FLOOR SUPPORT FROM 7075-T611,  ALUMINUM IAW BAC 1506-1108.  INSTALLED NEW SECTION OF FLOOR SUPPORT IAW SRM 51-40-01.

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