# SDR 2005FA0001199

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2005
- Submitted: August 23, 2005
- Operation: General aviation
- Aircraft: [N121CW](https://openairdocs.org/aircraft/N121CW), registered now
- Make and model: Cessna 172S
- Registry model: [Cessna 172S](https://openairdocs.org/model/cessna-172s) (OpenAirDocs)
- Aircraft serial: 172S8975
- Engine: Lyc IO360L2A
- System (JASC): [6113 · Propeller Spinner Section](https://openairdocs.org/jasc/6113)
- Part: Bulkhead
- Condition: Cracked
- Location: Prop Spinner
- Part time: 194 hours
- 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/2005FA0001199

## Discrepancy

DURING ANNUAL/ 100 HOUR INSPECTION, FOUND SPINNER FWD BULKHEAD CRACKED AROUND 2 HOLES OF THE MOUNTING BOLTS.  BOLTS PULLING EDGES OF BULKHEAD HOLES INTO CHAMFER OF THE PROP HOLES, CREATING STRESS AROUND THESE BULKHEAD HOLES LEADING TO CRACKS.  (K)

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