# SDR AALA201905069022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 2019
- Submitted: May 7, 2019
- Operation: Air carrier
- Aircraft: N947UW
- Make and model: Emb ERJ 190-100 IGW
- Registry model: [EMB ERJ 190-100 IGW](https://openairdocs.org/model/embraer-erj-190-100-igw) (OpenAirDocs)
- Aircraft serial: 19000078
- Aircraft time: 25,474 hours, 21,135 cycles
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Condition: Cracked
- Location: Nr 2 Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201905069022

## Discrepancy

AIRCRAFT WAS GROUNDED: CREW DECLARED AN EMERGENCY INTO BOS ON ACCOUNT OF PRESSURIZATION PROBLEM. LANDED WITHOUT INCIDENT. BLEED 2 FAIL FOLLOWED BY LOSS OF PRESSURIZATION IN CRUISE. BLEED 1 WAS ON MEL. MAINTENANCE TROUBLESHOT IAW FIM TASK 36-11-00-810-837A, FAULT 36113001. FOUND NR 2 ENG FAN AIR VALVE JOINT CRACKED. REMOVED AND REPLACED THE NR 2 FAN AIR VALVE IAW AMM 36-11-09. OPS CHECK GOOD.

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