# SDR 96ZZZX2192

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N123NH
- Make and model: Bell 206L-4
- Registry model: [Bell 206L-4](https://openairdocs.org/model/bell-helicopter-textron-canada-206l-4) (OpenAirDocs)
- Aircraft serial: 52076
- System (JASC): [7810 · Engine Collector/Tailpipe/Nozzle](https://openairdocs.org/jasc/7810)
- Part: Exhaust Stack
- Part number: 206064600005
- Condition: Cracked
- Location: Engine
- Part time: 3,886 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX2192

## Discrepancy

DURING A DAILY INSPECTION AT THE LAST FLIGHT OF THE DAY, THE MECHANIC NOTED THE ENGINE EXHAUST STACK WAS CRACKED.  THE CRACK ORIGINATED AT THE CENTER WELDED SEAM APPROXIMATELY 2 INCHES FROM THE FLANGE ON THE FORWARD SIDE OF THE STACK.  THE CRACK CONTINUED DOWNWARD AND CONTINUED APPROXIMATELY 4 INCHES ALONG THE WELDED SEAM OF THE FLANGE.  REPLACED THE EXHAUST STACK, PN 206-064-300-005, IAW BELL 206L-4 MM.

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