# SDR FDEA202006251355

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2020
- Submitted: July 7, 2020
- Operation: Air carrier
- Aircraft: [N959FD](https://openairdocs.org/aircraft/N959FD), registered now
- Make and model: Boeing 757236
- Aircraft serial: 25133
- Aircraft time: 52,470 hours, 24,281 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 143N54101
- Condition: Corroded
- Location: Fuselage
- 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/FDEA202006251355

## Discrepancy

MAIN CABIN FLOOR SUPPORT STA 740 - 720 LBL 60 CORRODED.  REMOVED CORROSION AT FLOOR SUPPORT STA 720 TO STA 740 LBL 60 ORIGINAL MAT .050" 100%  MAT LOSS OUT OF LIMITS IAW SRM 53-00-51-1A DETAIL III.  REMOVED, FABRICATED AND INSTALLED FLOOR SUPPORT IAW SRM 51-40-02-OG AND DWG 143N5410 REV F.

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