# SDR F3LA200300009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 17, 2003
- Submitted: January 20, 2003
- Operation: Air carrier
- Aircraft: N303FL
- Make and model: Boeing 737-3M8
- Registry model: [Boeing 737-3M8](https://openairdocs.org/model/boeing-737-3m8) (OpenAirDocs)
- Aircraft serial: 25039
- Aircraft time: 35,592 hours, 16,191 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- 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/F3LA200300009

## Discrepancy

DURING C-4 CHECK, INSPECTION REPORTED CABIN FLOORBEAM AT STA 987.5, RBL 24.25 TO LBL 45.50, SHOWED SIGNS OF CONTAMINATION AND BLUE WATER CONTAMINATION.  BLENDED CORROSION ON FLOORBEAM UPPER CAP AND FOUND TO BE OUT OF LIMITS PER SRM 53-60-51, FIG 101.  FABRICATED AND INSTALLED UPPER CAP PER SRM 53-00-51, FIG 202, AND SOPM 20-41-02.

---
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.