# SDR IWV2006F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2006
- Submitted: June 5, 2006
- Operation: Air carrier
- Aircraft: N18VV
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0619
- Engine: Cont TSIO520*
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Channel
- Part number: 56541111
- Condition: Cracked
- Location: Lt Engine
- Part time: 15,951 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IWV2006F00000

## Discrepancy

DURING COMPLIANCE WITH AD 2005-12-13 BY INSTALLATION OF SPAR MOD KIT SK402-47B IT WAS DISCOVERED THAT THE LT NACELLE OB ENGINE SUPPORT BEAM CHANNEL PN 56541111 HAD A 1.75 INCH CRACK RUNNING  LONGITUDINALLY ON THE IB RADIUS.  THE AREA OF THE CRACK IS IN A LOCATION WHERE THAT PORTION OF THE CHANNEL IS TO BE REMOVED AND NEW CHANNEL INSTALLED IAW SK402-47B.  (K)

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