# SDR R61A2022032400222

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2022
- Submitted: March 24, 2022
- Operation: Air carrier
- Aircraft: [N721YX](https://openairdocs.org/aircraft/N721YX), registered now
- Make and model: Emb ERJ 170-100 LR
- Registry model: [EMB ERJ 170-100 LR](https://openairdocs.org/model/embraer-erj-170-100-lr) (OpenAirDocs)
- Aircraft serial: 17000493
- Aircraft time: 16,180 hours, 10,791 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Rib
- Part number: 17062642001
- Condition: Cracked
- Location: Zone 300
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/R61A2022032400222

## Discrepancy

DURING HEAVY CHECK MAINTENANCE FOUND RIB 12A FOUND CRACKED ON LH AND RH HORIZONTAL STABILIZERS. RIB 12A CRACKS ON LH AND RH HORIZONTAL STAB REPLACED IAW REPUBLIC EO 170EO-55-10-0004_1. REF SB 170-55-0014.

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