# SDR R61A2021060400478

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2021
- Submitted: June 5, 2021
- Operation: Air carrier
- Aircraft: [N730YX](https://openairdocs.org/aircraft/N730YX), 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: 17000518
- Aircraft time: 13,768 hours, 9,133 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Part number: 17031107051
- Condition: Cracked
- Location: Lt Wing
- 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/R61A2021060400478

## Discrepancy

WHILE AC WAS IN FOR HVY CK FOUND SUSPECT CRACK FOUND ON LH WING SPAR 1 FITTING AT WINGLET ATTACHMENT. REPLACED SPAR 1 FITTING PN 170-31107-051 IAW SRM 51-43-03, 51-43-04. SEE AAR NRC# 4500907-5000-0051 FOR WORK PERFORMED. AC WAS RTS. MAJOR

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