# SDR R61A2020112400811

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2020
- Submitted: December 7, 2020
- Operation: Air carrier
- Aircraft: N873RW
- Make and model: Emb ERJ 170-100SU
- Registry model: [EMB ERJ 170-100SU](https://openairdocs.org/model/embraer-erj-170-100su) (OpenAirDocs)
- Aircraft serial: 17000144
- Aircraft time: 33,043 hours, 21,440 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Precooler
- Part number: 10012463
- Part serial: 2008060625
- Condition: Cracked
- Location: Bleed Sys
- Part time: 29,282 hours, 22,441 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/R61A2020112400811

## Discrepancy

LOST BLEED 1, FOLLOWED BLEED 2 IN FLIGHT.  DECLARED EMERGENCY, LANDED WITHOUT INCIDENT.  R & R BLEED PRESSURE REGULATING VALVE.  UPON FURTHER INVESTIGATION, FOUND E1 PRECOOLER CRACKED.  R & R E1 PRECOOLER.

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