# SDR CALA2013111892977

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2013
- Submitted: November 19, 2013
- Operation: Air carrier
- Aircraft: [N171UA](https://openairdocs.org/aircraft/N171UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 24322
- Aircraft time: 91,712 hours, 10,774 cycles
- Engine: Pwa PW4056
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Fuselage
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013111892977

## Discrepancy

CABIN DECK FLOOR BEAM UPPER CORD HAS CORROSION AT STATION 1700, LBL 1".  CUTOUT DAMAGE & INSTALLED NEW SECTION IAW SRM 53-60-51 RPR1 NR 0388763.

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