# SDR IPXA10559385

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2010
- Submitted: April 21, 2010
- Operation: Air carrier
- Aircraft: [N451UP](https://openairdocs.org/aircraft/N451UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 27739
- Aircraft time: 24,602 hours, 13,768 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- 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/IPXA10559385

## Discrepancy

INSPECTION TYPE:C4 DUE TO RCD PROCESS COCKPIT FLOOR CORROSION BLENDS REQUIRES SEPARATE NRC FOR REPAIR RE-ENFORCEMENT DOUBLERS, THIS NRC IS FOR BS 239-271, RBL 10 TO RBL 16 FOR ATS ER 10-2221.  REPAIR PER ATS ER 10-2221.

---
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.