# SDR DALA2016051804030

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2016
- Submitted: May 19, 2016
- Operation: Air carrier
- Aircraft: [N666DN](https://openairdocs.org/aircraft/N666DN), registered now
- Make and model: Boeing 757232
- Aircraft serial: 25034
- Aircraft time: 81,201 hours, 37,034 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Bs 1660-1681
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2016051804030

## Discrepancy

MAIN CABIN FLOOR SUPPORT CORRODED BETWEEN BS 1660-1681 LBL 52CP53-251-01I.  REMOVED CORROSION ON MAIN CABIN FLOOR SUPPORT BETWEEN BS 1660-1681, LBL 52 IAW SRM 51-10-02 AREA WITH MATERIAL LOSS 100 PERCENT.  FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51.  R & R FLOOR SUPPORT, PN 146N5246U5, PO 666DN00161 IAW SRM 51-40-02 AND DWG 146N5230, 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.