# SDR CALA2026090219188

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2026
- Submitted: September 2, 2026
- Operation: Air carrier
- Aircraft: [N39415](https://openairdocs.org/aircraft/N39415), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 32826
- Aircraft time: 57,202 hours, 20,545 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Part number: 182A53064
- 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/CALA2026090219188

## Discrepancy

CRACK FOUND AT RT HORIZONTAL STAB RIB HSS 138.70  LOWER FLANGE INBD ROW AT STIFFENER NR 3, CRACK DIRECTION 9 O'CLOCK.  ACCOMPLISHED REPAIR OF RT HORIZONTAL STAB RIB NR 7 LOWER CHORD COMMON TO STIFFENER NR 3 AT HSS 138.70 IAW SRM 55-10-09-2R-5, FIGURE 203. INSPECTION HAS BEEN C/W.

---
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.