# SDR R61A20100370

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2010
- Submitted: August 5, 2010
- Operation: Air carrier
- Aircraft: N821MD
- Make and model: Emb ERJ 170-100SU
- Registry model: [EMB ERJ 170-100SU](https://openairdocs.org/model/embraer-erj-170-100su) (OpenAirDocs)
- Aircraft serial: 17000042
- Aircraft time: 15,847 hours, 10,755 cycles
- System (JASC): [3810 · Potable Water System](https://openairdocs.org/jasc/3810)
- Part: Doubler
- Part number: 17086657003
- Condition: Corroded
- Location: Potable Water
- Part time: 15,847 hours, 10,755 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/R61A20100370

## Discrepancy

WHILE THE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL 2 CORROSION WAS FOUND AT POTABLE WATER BOX DOUBLER.  MAINTENANCE REMOVED & REPLACED DOUBLER IAW EMB 170 SRM 51-43-04.  A/C STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

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