# SDR CALA2026070717590

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 27, 2026
- Submitted: July 7, 2026
- Operation: Air carrier
- Aircraft: [N12216](https://openairdocs.org/aircraft/N12216), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28776
- Aircraft time: 83,996 hours, 31,123 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: 141A324140
- Condition: Corroded
- Location: Zone 100
- 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/CALA2026070717590

## Discrepancy

CORROSION AT STRINGER 27L, BS 360.  INSTALLED A REPAIR IAW SRM 53-00-03-2R-1, DWG 143A3230 AND  ESR 4-15312 REV P2.

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