# SDR USAA951190

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 3, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N417US](https://openairdocs.org/aircraft/N417US), registered now
- Make and model: Boeing 737401
- Aircraft serial: 23984
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floor Beam
- Condition: Corroded
- Location: Bs 986
- Part time: 19,934 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA951190

## Discrepancy

INT - DURING Q-5 CHECK VISUAL INSPECTION, FOUND 1 TO 2 INCH DIAMETER SPOTS OF CORROSION ON THE FLOOR BEAM AT SCREW HOLES, BS 986 LBL 45 TO RBL 45.  CUT OFF 'T' CAP AND INSTALLED NEW 'T' CAP AND REPAIR ANGLE.  REPAIRED PER EA 40072A.  CORROSION TASK NR C53-107-02, CORROSION LEVEL 2.  (M)

---
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.