# SDR 96ZZZX5410

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N838PC](https://openairdocs.org/aircraft/N838PC), registered now
- Make and model: Piper PA-44-180T
- Registry model: [Piper PA-44-180T](https://openairdocs.org/model/piper-pa-44-180t) (OpenAirDocs)
- Aircraft serial: 448107056
- Propeller: Hartzl HCC3YR
- System (JASC): [6114 · Propeller Hub Section](https://openairdocs.org/jasc/6114)
- Part: Hub
- Part number: D32512
- Condition: Corroded
- Location: Propeller
- Part time: 2,000 hours
- 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/96ZZZX5410

## Discrepancy

AFTER CLEANING OF HUB AND NDT, HUB WAS CORRODED BADLY ON THE INSIDE OF THE HUB ONLY.  THE CAUSE OF THIS IS THE USE OF NON-APPROVED AUTO GREASE.  SUBMITTER STATED IF THIS WAS NOT FOUND, IT IS POSSIBLE A CRACK AND FAILURE OF THE HUB WOULD OCCUR.

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