# SDR CALA2023042601250

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2023
- Submitted: April 26, 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): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Crease Beam
- Part number: 147A8540U8
- Condition: Corroded
- Location: Sta963-992
- 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/CALA2023042601250

## Discrepancy

B737-53-3-0711 MAIN CABIN FLOOR RT CREASE BEAM HAS CORROSION STA 963-992 INNER CHORD P/N 147A954OU8 WAS REPLACED ON R/H MAIN CABIN FLOOR STA 963-992 IAW B737 SRM 57-40-02-0G-0 PAR 4.B (1) AND 7.A.(1). DATA WAS TRANSCRIBED FROM PAPER DOC AERSALE WO 3875 NR 29572 WOR K ACP BY MECH V940628 INSP BY AQC009

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