# SDR CALA2026073018114

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2026
- Submitted: July 30, 2026
- Operation: Air carrier
- Aircraft: [N87507](https://openairdocs.org/aircraft/N87507), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31637
- Aircraft time: 58,761 hours, 21,283 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: 182A400116
- 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/CALA2026073018114

## Discrepancy

LEFT HORIZONTAL STAB LOWER SURFACE SKIN CRACKED AT HSS 111.1.   CRACK COMFIRMED.  CUT OUT CRACK & REMOVED TWO DOUBLERS,  NDT OPEN HOLE INSP & CUT OUT, NDT GOOD. FABRICATED NEW FILLER AND DOUBLER IAW SRM 55-10-01-2R-11.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.