# SDR CALA2026042315628

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2026
- Submitted: April 23, 2026
- Operation: Air carrier
- Aircraft: [N37255](https://openairdocs.org/aircraft/N37255), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30610
- Aircraft time: 77,618 hours, 29,101 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Angle
- Part number: 654A00041073
- Condition: Corroded
- Location: Zone 200
- 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/CALA2026042315628

## Discrepancy

LEFT FLOOR CREASE BEAM AT L1 DOOR FROM STA 348 TO STA 280 HAS CORROSION AND BARE METAL IN SEVERAL AREAS.  REMOVED, LOCATED, DRILLED AND INSTALLED NEW INNER CHORD REF B737 NG SRM 51-40-05 AND BAC DWG 141A8110 REV A.

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