# SDR DAT2004F00004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2004
- Submitted: November 9, 2004
- Operation: Air carrier
- Aircraft: [N937MA](https://openairdocs.org/aircraft/N937MA), registered now
- Make and model: Stbros SD330
- Aircraft serial: SH3040
- Engine: Pwa PT6A45R
- Propeller: Hartzl HCB5MP3
- System (JASC): [1430 · Fasteners](https://openairdocs.org/jasc/1430)
- Part: Bolt
- Part number: B3339
- Condition: Cracked
- Location: Propeller
- Part time: 457 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DAT2004F00004

## Discrepancy

IAW SDR REPLACEMENT OF POWER SECTION AND PROPELLER FOR VIABRATION, ON 09/01/04 (7) OF THE (8) PROP ATTACHMENT BOLTS, PN B3339 WERE FOUND CRACKED.  ALL (8) PROP ATTACHMENT BOLTS, PN B3339, AND WASHERS PN A2048-2 WERE REMOVED AND REPLACED WITH NEW ONES PURCHASED FROM VENDOR.  AD86-06-02 WAS COMPLIED WITH IAW MFG SERVICE INSTRUCTIONS 140A AND IS NEXT DUE AT 20201.4 TAT  AIRCRAFT WAS RETURNED TO SERVICE.

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