# SDR R61A2020123100962

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2020
- Submitted: December 31, 2020
- Operation: Air carrier
- Aircraft: [N639RW](https://openairdocs.org/aircraft/N639RW), registered now
- Make and model: Emb ERJ 170-100 SE
- Registry model: [EMB ERJ 170-100 SE](https://openairdocs.org/model/embraer-erj-170-100-se) (OpenAirDocs)
- Aircraft serial: 17000057
- Aircraft time: 43,885 hours, 27,456 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: 17031033021
- 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/R61A2020123100962

## Discrepancy

WHILE AC WAS IN FOR HEAVY CHECK, CRACK FOUND ON LEADING EDGE SKIN PN 170-31033-021 AT SLAT 2 CUTOUT.  REPAIRED IAW SRM 57-49-01 REP 6, SEE AAR NRC NR 4500827-5000-0009.  AC REMAINS IN YQG FOR COMPLETION.

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