# SDR 2026FA0000181

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 19, 2025
- Submitted: March 12, 2026
- Operation: General aviation
- Aircraft: [N73345](https://openairdocs.org/aircraft/N73345), registered now
- Make and model: Cessna 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (OpenAirDocs)
- Aircraft serial: 17267390
- Aircraft time: 273 hours
- System (JASC): [6110 · Propeller Assembly](https://openairdocs.org/jasc/6110)
- Part: Bulkhead
- Part number: 05503214
- Condition: Cracked
- Location: Propeller
- Stage of operation: IN
- How discovered: W
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2026FA0000181

## Discrepancy

FOUND SPINNER BULKHEAD CRACKED 273 HRS.  REPLACED BULKHEAD WITH NEW P/N: 0550321-4

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