# SDR CALA2023061401858

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2023
- Submitted: June 14, 2023
- Operation: Air carrier
- Aircraft: [N54711](https://openairdocs.org/aircraft/N54711), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28782
- Aircraft time: 77,277 hours, 27,793 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Unknown
- Part number: 147A3211
- Condition: Corroded
- Location: Sta 967
- 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/CALA2023061401858

## Discrepancy

(SUPPORT TASK) PASSENGER CABIN FLOOR STRUCTURE AT STR 20 RH JUST FWD OF STA 967 RH HAS CORROSION ON THE UPPER HAT FLANGE ON STR 20 RH

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