# SDR CALA2026010212635

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2025
- Submitted: January 2, 2026
- Operation: Air carrier
- Aircraft: [N73276](https://openairdocs.org/aircraft/N73276), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31594
- Aircraft time: 75,028 hours, 26,786 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- 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/CALA2026010212635

## Discrepancy

CRACK FOUND AT LT HORIZONTAL STAB LOWER SKIN AT HSS 147.90 , INBD ROW, 15.5" FROM FRONT SPAR. CRACK LENGTH 0.75".  REMOVED DAMAGE AT LT HORIZONTAL STAB LOWER SKIN AT HSS 1 47.90" FABRICATED REPAIR PARTS & INSTALLED REPAIR 11 IAW SRM 55-10-01-2R-11, REPAIR 11. REPAIR 11 IS A CATEGORY B REPAIR DUE FOR SUPPLEMENTAL INSPECTIONS FOR DAMAGE TOLERANCE ASSEMENT IAW SRM 55-10-01, PARAGRAPH 5. REPAIR 11.

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