# SDR CALA0400633

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2004
- Submitted: September 13, 2004
- Operation: Air carrier
- Aircraft: [N17321](https://openairdocs.org/aircraft/N17321), registered now
- Make and model: Boeing 7373T0
- Aircraft serial: 23372
- Aircraft time: 59,625 hours, 27,180 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: BAC1518399
- Condition: Corroded
- Location: Fuselage
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA0400633

## Discrepancy

INSPECTION FOUND FLOORBEAM UPPER FLANGE CORRODED AT STA 986.5, LBL 45 TO RBL 45.  THE CORRODED SECTION OF FLOORBEAM WAS REMOVED AND A NEW SECTION OF FLOORBEAM WAS INSTALLED IAW SRM 53-00-51, FIGURE 202 AND ECRA 5310-03851.

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