# SDR SWIA2025102400927

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2025
- Submitted: October 24, 2025
- Operation: Air carrier
- Aircraft: [N124SY](https://openairdocs.org/aircraft/N124SY), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000439
- Aircraft time: 27,855 hours, 16,310 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- 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/SWIA2025102400927

## Discrepancy

CRACK LH HORIZONTAL RIB 12 UPPER FWD FLANGE AFT RIVET AND AFT FLANGE FWD RIVET.     (C-CHECK RO 10/23/2025)REMOVED AND REPLACED LH HORIZONTAL RIB 12A REF ETD2025-170-929972. REPLACED WITH OEM PART AND THERE IS NO CHANGE TO WEIGHT AND BALANCE,

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