# SDR CALA2026101220287

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2026
- Submitted: October 12, 2026
- Operation: Air carrier
- Aircraft: [N16703](https://openairdocs.org/aircraft/N16703), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28764
- Aircraft time: 85,798 hours, 31,915 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: 182A4001
- 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/CALA2026101220287

## Discrepancy

LEFT HORIZONTAL STAB LOWER SKIN, ONE CRACK SIGNAL NOTED AT HSS 101.90 INBD SIDE, LOCATED TO 10.25 INCH FWD FROM AFT SPAR, CRACK LENGTH 1.079 INCH, PERFORMED REPAIR TO THE LT HORIZONTAL STAB LOWER SKIN IAW SRM 55-10-01-2R-11.

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