# SDR CALA2023041901154

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2023
- Submitted: April 19, 2023
- Operation: Air carrier
- Aircraft: [N87531](https://openairdocs.org/aircraft/N87531), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 39999
- Aircraft time: 39,408 hours, 13,629 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Beam
- Part number: 147A5506
- Condition: Corroded
- Location: Sta 986lbl34&43
- 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/CALA2023041901154

## Discrepancy

B737-53-3-0711 MAIN CABIN FLOOR BEAM UPPER SURFACE HAS CORROSION STA 986 LBL 34 & LBL 43 REPAIRED FLOOR BEAM STA 986 IAW SRM 53-70-51-2R-6 SEE PARTIAL WO RK FOR WORK ACCOMPLISHED. DATA WAS TRANSCRIBED FROM PAPER DOC AE RSALE WO 3875 NR 29571 WORK ACP BY MECH V937322 INSP BY AQC009

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