# SDR 0105165504

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2001
- Submitted: January 14, 2002
- Operation: Air carrier
- Aircraft: N504US
- Make and model: Boeing 757251
- Aircraft serial: 23193
- Aircraft time: 55,542 hours, 23,061 cycles
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keelbeam
- Condition: Corroded
- 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/0105165504

## Discrepancy

During "H" check found corrosion on keel beam between BS 673-680. Repaired per EA 55-187742.

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