# SDR CALA2022100602707

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 2022
- Submitted: October 6, 2022
- Operation: Air carrier
- Aircraft: [N41140](https://openairdocs.org/aircraft/N41140), registered now
- Make and model: Boeing 757224
- Aircraft serial: 30353
- Aircraft time: 85,850 hours, 17,967 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Floor Support
- Part number: 143N5015
- Condition: Corroded
- Location: Rbl 20 To Rbl50
- 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/CALA2022100602707

## Discrepancy

(B757-53-3-0480) MAIN CABIN FLOOR STRUCTURE STA 720 RBL 20 TO RB L 50 UPPER STRAP CORRODED ON UPPER SURFACE.  TRANSCRIBED FROM HA ECO GSO NRC# 9282322

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