# SDR USAA990578

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 1999
- Submitted: April 13, 2000
- Operation: Air carrier
- Aircraft: [N337US](https://openairdocs.org/aircraft/N337US), registered now
- Make and model: Boeing 737301
- Aircraft serial: 23235
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 986.5
- Part time: 38,169 hours
- 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/USAA990578

## Discrepancy

CLT - DURING Q-1 CHECK VISUAL INSPECTION, FOUND A 6 INCH AREA OF CORROSION AT STATION 986.5 LBL 24 FLOORBEAM, CORROSION LEVEL 2.  FABRICATED NEW PART PER SRM 51-40-02 AND DWG 6561381.  (M)

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