# SDR DALA1129515531

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2011
- Submitted: April 28, 2011
- Operation: Air carrier
- Aircraft: N531US
- Make and model: Boeing 757251
- Aircraft serial: 23846
- Aircraft time: 72,678 hours, 29,915 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Bs 1660 Rbl48
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1129515531

## Discrepancy

PAX CABIN FLOOR STA 1660, RBL 48" HAS CORROSION REMOVED CORROSION IAW SRM 53-00-51 L=2.9 W=1.95, D=.020 MAT. .125 OUT OF LIMITS.  DETAIL III, CUT OUT DAMAGED AREA IAW SRM 53-00-51, REPAIR 5, FABRICATED NEW PART LOC & DRILLED TEE IAW SRM 53-00-51 INSTALLED TEE CHORD IAW SRM 53-00-51.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.