# SDR CALA2026030514367

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2026
- Submitted: March 5, 2026
- Operation: Air carrier
- Aircraft: [N14731](https://openairdocs.org/aircraft/N14731), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28799
- Aircraft time: 81,669 hours, 30,078 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Stiffener
- Condition: Cracked
- Location: Zone 300
- 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/CALA2026030514367

## Discrepancy

CRACK FOUND ON RT STABILIZER INSPAR RIB, HSS 92.7, ON INBD SIDE, AT VERTICAL STIFFINER NR 1 AND STIFFENER NR 2.   REPAIRED THE CRACK THE RT STAB INSPAR RIB, IAW SRM 55-10-09-2R-4, AND SRM 55-10-01-2R-11.

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