# SDR CA120417017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2012
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Gulstm GIV
- Engine: Rroyce TAY6118
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Drive Shaft
- Part number: 1159SCC21317
- Condition: Gouged
- Location: Flap Sys
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA120417017

## Discrepancy

(CAN) DURING A ROUTINE INSPECTION THE LT AND RT OTBD FLAP DRIVE SHAFTS WERE FOUND TO HAVE GOUGES LOCATED RT WERE THEY PASS THROUGH A LIGHTNING HOLE AT RBS 230 OF IT`S RESPECTIVE WING.  DRIVE SHAFTS TO BE REPLACED.  UNSURE OF CAUSE.

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