# SDR R61A20110258

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2011
- Submitted: September 8, 2011
- Operation: Air carrier
- Aircraft: N822MD
- Make and model: Emb ERJ 170-100SU
- Registry model: [EMB ERJ 170-100SU](https://openairdocs.org/model/embraer-erj-170-100su) (OpenAirDocs)
- Aircraft serial: 17000043
- Aircraft time: 17,442 hours, 12,400 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: PO0005872010
- Condition: Cracked
- Location: Lt Wing
- Part time: 17,442 hours, 12,400 cycles
- 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/R61A20110258

## Discrepancy

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, MAINTENANCE FOUND A CRACK ON THE LT WING UPPER SKIN AT SPAR 2, RIB 10.  MAINTENANCE PERFORMED A MAJOR REPAIR TO CRACK ON THE LT WING UPPER SKIN AT SPAR 2, RIB 10 IAW EMB ETD'S 2011-170-104208 REV B AND 2011-170/02998.  REFERENCE PO 000587-2010 FOR FABRICATION OF PART.  AIRCRAFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK.

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