# SDR 99ZZZX2087

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [Aviation Propellers Inc, repair station ME4R359M](https://openairdocs.org/faa-repair-station/ME4R359M/aviation-propellers-inc.md) (OpenAirDocs)
- Propeller: Mcauly D3A32C88
- System (JASC): [6114 · Propeller Hub Section](https://openairdocs.org/jasc/6114)
- Part: Hub
- Part number: D6608C88
- Condition: Cracked
- Location: Propeller
- 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/99ZZZX2087

## Discrepancy

PROPELLER RECEIVED FOR 5-YEAR OVERHAUL.  DURING HUB INSPECTION, DISCOVERED CRACK IN NR 2 BLADE SOCKET 4 THREADS IN AT 2 DEGREE TO 3 DEGREE POSITION ABOUT 1 INCH LONG.  CRACK DISCOVERED USING A 10X POWER MICROSCOPE.

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