# SDR CHQA201100393

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2011
- Submitted: October 18, 2011
- Operation: Air carrier
- Aircraft: N374SK
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145544
- Aircraft time: 26,089 hours, 21,315 cycles
- Engine: Allsn AE3007A
- Engine time: 16,589 hours, 15,092 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Precooler
- Part number: 14530609401
- Part serial: 2550
- Condition: Cracked
- Location: Zone 500
- Part time: 21,949 hours, 21,031 cycles
- 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/CHQA201100393

## Discrepancy

DURING CRUISE, RECEIVED A BLEED 1 LEAK MESSAGE ON THE EICAS.  AIRCRAFT DIVERTED AND LANDED WITHOUT INCIDENT.  MAINTENANCE REPLACED THE PRECOOLER AND THE PRECOOLER DISCHARGE DUCT.  OPS AND LEAK CHECKED GOOD WITH NO FURTHER DEFECTS NOTED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.