# SDR R61A201902112168

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2019
- Submitted: February 11, 2019
- Operation: Air carrier
- Aircraft: N821MD
- 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: 17000042
- Aircraft time: 36,337 hours, 27,174 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Part number: 17062462601
- Condition: Cracked
- Location: Horizontal Stab
- 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/R61A201902112168

## Discrepancy

WHILE AIRCRAFT WAS IN FOR ACCEPTANCE/BRIDGE PACKAGE MAINTENANCE FOUND RIB 12A ON LH HORIZONTAL STAB CRACKED @ UPPER SURFACE ATTACH FLANGE AT THE 4TH AND 5TH FASTENER HOLES FROM THE FRONT.  REMOVED AND REPLACED RIB 12A (PN 170-62462-601) IAW EMB SRM 51-40-08. SEE EAMS W/O H6673, SN# 0114 FOR WORK PERFORMED.  (MAJOR: FCS# 55-10-00-005)

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