# SDR FDEA202006251351

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2020
- Submitted: July 3, 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: 143N55223
- 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/FDEA202006251351

## Discrepancy

MAIN CABIN FLOOR SUPPORT STA 680 - 700 LBL 63 CORRODED.  REMOVED CORROSION AT FLOOR SUPPORT STA 680 TO STA 700 LBL 63 ORIGINAL MAT .056", MAT   LOSS .017" , REMAINING .039", FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51-1A DETAIL III.  REMOVED, FABRICATED AND INSTALLED FLOOR SUPPORT IAW SRM 51-40-02-OG AND B DWG 143N5522 REV-.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.