# SDR 97ZZZX9

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 25, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N5JN](https://openairdocs.org/aircraft/N5JN), registered now
- Make and model: Piper PA-28-160
- Registry model: [Piper PA-28-160](https://openairdocs.org/model/piper-pa-28-160) (OpenAirDocs)
- Aircraft serial: 281528
- System (JASC): [6113 · Propeller Spinner Section](https://openairdocs.org/jasc/6113)
- Part: Bulkhead
- Part number: 6663000
- Condition: Cracked
- Location: Fwd Spinner
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX9

## Discrepancy

THE FORWARD SPINNER BOLT HOLES WERE 'DISHED' AT EACH HOLE LOCATION.  AT ONE LOCATION, THE METAL ON THE BULKHEAD WAS SO THIN A CRACK HAD DEVELOPED THROUGH THE HOLE.  SUBMITTER STATED OVERTORQUE OF THE PROP BOLTS WAS THE CAUSE OF THIS METAL STRETCHING.  THE MM LISTS THE TORQUE FOR THE .50 INCH D-BOLTS IN THE SAME AREA AS THE 3 INCH D-BOLTS.

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