# SDR CALA2026042015538

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2026
- Submitted: April 20, 2026
- Operation: Air carrier
- Aircraft: [N37255](https://openairdocs.org/aircraft/N37255), registered now
- Make and model: Boeing 737824
- 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: 141A811220
- 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/CALA2026042015538

## Discrepancy

L1 DOOR CUTOUT LOWER SILL AREA,, ONE ANGLE ATTACHED TO THE INNER CHORD HAS CORROSION ON UPPER SURFACE BETWEEN BS 328 AND BS 344.   . REMOVED, LOCATED, DRILLED AND INSTALLED NEW INNER ANGLE IAW SRM 51-40-05 AND  DWG 141A8112 REV-.

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