# SDR SIMA20120701004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2012
- Submitted: July 5, 2012
- Operation: Air carrier
- Aircraft: [N683AE](https://openairdocs.org/aircraft/N683AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500833
- Aircraft time: 20,454 hours, 17,725 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Clamp
- Part number: 8151138TSS36S40
- Condition: Undertorqued
- Location: Bleed Air Sys
- Stage of operation: CL
- 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/SIMA20120701004

## Discrepancy

ON FLIGHT 3308 THE CREW REPORTED THAT THEY RECEIVED AN ENGINE 2 BLEEDC LEAK MESSAGE DURING CLIMBOUT.  ELECTED TO RETURN TO CVG AND DECLARED AN EMERGENCY.  LANDED WITHOUT INCIDENT.  REMOVED PANELS FOR ENTIRE BLEED 2 SYSTEM.  TROUBLESHOT SYSTEM AND FOUND PRECOOLER V-BAND CLAMP UNDER TORQUED AND UPPER PORTION OF DUCT (P/N 816619-1) HAD BLOWN OFF OF NR 2 PACK.  TORQUED PRECOOLER CLAMP AS NEEDED AND REMOVED AND REPLACED PACK FLEXIBLE DUCT COUPLER AND CLAMP.  RAN SYSTEM.  FOUND LEAK CHECK TO BE GOOD.  INSTALLED ALL PANELS FOR BLEED 2 SYSTEM.  RAN AIRCRAFT AND OPS CHECKED BLEED 2 SYSTEM FOR SEVERAL MINS AT TAKEOFF POWER.  THE OPERATIONAL CHECK WAS GOOD.  THE AIRCRAFT WAS RETURNED TO SERVICE.

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