# SDR CALA2026090119158

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2026
- Submitted: September 1, 2026
- Operation: Air carrier
- Aircraft: [N53442](https://openairdocs.org/aircraft/N53442), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33536
- Aircraft time: 53,820 hours, 19,324 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: 182A40021
- 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/CALA2026090119158

## Discrepancy

CRACK FOUND AT LT HORIZONTAL STAB HSS 138.70 ,LOWER SKIN, 9" FROM FRONT SPAR, INBD ROW.  REPAIR DOUBLER INSTALLATION AT LT HORIZONTAL STAB LOWER SKIN IAW SRM 55-10-01-2R-11 AND SRM 51-40-02-0G-0.

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