# SDR CALA2020050200898

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2020
- Submitted: May 2, 2020
- Operation: Air carrier
- Aircraft: [N73256](https://openairdocs.org/aircraft/N73256), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30611
- Aircraft time: 62,016 hours, 22,446 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A5504
- 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/CALA2020050200898

## Discrepancy

AFT CABIN FLOOR BEAM UPPER SURFACE HAS CORROSION SPOT AT FITTING B.S.947.5 R.BL.50". (REF NR 9172585) FLOOR BEAM OUT OF LIMITS CUTOUT UPPER T SECTION AND INSTALLED REPAIR FROM STA 947.5 BETWEEN LBL 7.80 TO RBL 51.60 AS PER B737 SRM 53-70-51 REPAIR 5.

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