# SDR USAA950912

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N404US](https://openairdocs.org/aircraft/N404US), registered now
- Make and model: Boeing 737401
- Aircraft serial: 23886
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floor Beam
- Condition: Cracked
- Location: Bs 520
- Part time: 19,507 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/USAA950912

## Discrepancy

CLT- DURING A Q-4 EDDY CURRENT CHECK, INSPECTION FOUND A 1.9 INCH CRACK ON STA 520 EXTENDING 1 INCH INBOARD AND .9 INCH OUTBOARD OF RBL 45.5 OF FLOOR BEAM.  INSTALLED REPAIR DOUBLER AND RADIUS FILLERS AND NEW VERTICAL ANGLE PER EA 39548.  (M)

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