# SDR C77A164583

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2009
- Submitted: August 2, 2009
- Operation: Air carrier
- Aircraft: N624CZ
- 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: 170000222
- Aircraft time: 3,068 hours, 1,797 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Seal
- Part number: 17016603001
- Condition: Failed
- Location: Nr 2 Bleed Sys
- Part time: 3,067 hours, 1,797 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C77A164583

## Discrepancy

NR 2 ENG BLEED FAIL IN FLIGHT.  NR 1 ENG BLEED ALREADY ON MEL (DM164384).  CREW PERFORMED EMERGENCY DESCENT TO FL 150.  AFTER INSP AND HIGH POWER ENGINE RUNS, MX FOUND NO DEFECTS WITH NR 2 ENG BLEED SYS.  AFTER INSP, MX FOUND SEAL (PN 170-16603-001) ON THE AFT SIDE OF PRECOOLER TO BE BLOWN OUT.  MX REMOVED AND REPLACED SEAL, PERFORMED HIGH PWR ENGINE RUNS WITH NO LEAKS NOTED AND SIGNED OFF.

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