# SDR CALA2026012713320

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2026
- Submitted: January 27, 2026
- Operation: Air carrier
- Aircraft: [N54241](https://openairdocs.org/aircraft/N54241), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28953
- Aircraft time: 79,178 hours, 29,560 cycles
- System (JASC): [5713 · Wing, Longeron/Stringer](https://openairdocs.org/jasc/5713)
- Part: Stringer
- Part number: 112A3209205
- Condition: Cracked
- Location: Zone 500
- 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/CALA2026012713320

## Discrepancy

LEFT WING INTERNAL FUEL TANK UPPER STRINGER U-9 CRACKED BETWEEN RIB 16 AND RIB 17.   ACCOMPLISHED PERMANENT REPAIR IAW ECRA 5720-03602 AND  REO-G25734.

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