# SDR CHQA200800224

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2008
- Submitted: November 17, 2008
- Operation: Air carrier
- Aircraft: N570RP
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145821
- Aircraft time: 11,412 hours, 9,466 cycles
- Engine: Allsn AE3007A
- Engine time: 17,060 hours, 13,977 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Carbon Seal
- Part number: 23073567
- Condition: Leaking
- Location: Nr 1 Engine
- Stage of operation: AP
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CHQA200800224

## Discrepancy

FLIGHT 6050, AVP TO LGA - ON SHORT FINAL, THE FLIGHT CREW RECEIVED A LAV SMOKE INDICATION ON EICAS.  THE AIRCRAFT LANDED WITHOUT INCIDENT.  MAINTENANCE TROUBLESHOT THE FAULT AND FOUND THAT THE MESSAGE WAS PRESENT ONLY WHEN OPERATING OFF OF THE NR 1 BLEED SYSTEM.  THE AIRCRAFT WAS THEN FERRIED TO CMH WHERE THE ZERO CARBON SEAL WAS REPLACED AND THERE WERE NO FURTHER INDICATIONS.

---
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.