# SDR AUS20030105

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2003
- Submitted: March 25, 2003
- Operation: General aviation
- Make and model: Maule MX-7-180
- Registry model: [Maule MX-7-180](https://openairdocs.org/model/maule-mx-7-180) (OpenAirDocs)
- Engine: Lyc O360C1F
- Propeller: Hartzl HCC2YR1
- System (JASC): [1430 · Fasteners](https://openairdocs.org/jasc/1430)
- Part: Bolt
- Condition: Wrong Part
- Part time: 1,085 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AUS20030105

## Discrepancy

(AUS) THE MAJORITY OF THE BOLTS USED IN THE AIRCRAFT ARE AN TYPE BOLTS WITH A DRILLED SHANK COMBINED WITH A SELF LOCKING NUT. UNAPPROVED PART. PERSONNEL/MAINTENANCE ERROR.

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