# SDR 2009FA0000887

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 22, 2009
- Submitted: October 23, 2009
- Operation: General aviation
- Aircraft: [N411Z](https://openairdocs.org/aircraft/N411Z), registered now
- Engine: Cont GTSIO520H
- Engine time: 1,172 hours
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Gear
- Part number: 653580
- Condition: Worn
- Location: Cranshaft
- Part time: 1,172 hours
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2009FA0000887

## Discrepancy

DURING INSPECTION OF RIGHT ENGINE STARTER DRIVE UNIT PER AD 2007-05-15 FOUND THE CRANKSHAFT GEAR WORN BEYOND ACCEPTABLE LIMITS. REPLACED WITH KIT R-EQ6642 CONTAING NEW GEAR AND OVERHAULED STARTER DRIVE UNIT.

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