# SDR U2RA201211140004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2012
- Submitted: November 15, 2012
- Operation: Air carrier
- Aircraft: [N176CA](https://openairdocs.org/aircraft/N176CA), registered now
- Make and model: Boeing 757-28A
- Registry model: [Boeing 757-28A](https://openairdocs.org/model/boeing-757-28a) (OpenAirDocs)
- Aircraft serial: 24543
- Aircraft time: 67,065 hours, 20,179 cycles
- Engine: Rroyce RB211535E4
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 143N537022
- Condition: Corroded
- Location: Zone 100
- Part time: 67,065 hours, 20,179 cycles
- 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/U2RA201211140004

## Discrepancy

FORWARD CARGO BS 640-660 RBL 7.55" FLOOR SUPPORT HAS CORROSION AT ANCHOR NUT ATTACH AREAS, LENGTH 2.5", WIDTH 1", DEPTH .018", ORIGINAL MATERIAL THICKNESS .063", REMAINING MATERIAL THICKNESS .045".  FLOOR SUPPORT REPLACED IAW DWG 143N5370.

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