# SDR 97ZZZX3149

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 1997
- 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 D2AF34C30
- System (JASC): [6114 · Propeller Hub Section](https://openairdocs.org/jasc/6114)
- Part: Hub
- Part number: D4035C30
- Condition: Cracked
- Location: Nr 2 Socket
- Part time: 1,314 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/97ZZZX3149

## Discrepancy

PROPELLER WAS RECEIVED FOR ROUTINE OVERHAUL.  AFTER DISASSEMBLY, HUB WAS FOUND CRACKED IN NR 2 BLADE SOCKET, 2 THREADS IN AT THE 6 O'CLOCK POSITION ABOUT 1.5 INCHES LONG.  CRACK DISCOVERED USING A 10X POWER MICROSCOPE.

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