# SDR NACA20070018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 2007
- Submitted: October 1, 2007
- Operation: Air carrier
- Aircraft: N6174C
- Make and model: Doug DC-6A
- Registry model: [Doug DC-6A](https://openairdocs.org/model/douglas-dc-6a) (OpenAirDocs)
- Aircraft serial: 44075
- Aircraft time: 53,003 hours
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Bolt
- Part number: AN4DD10
- Condition: Sheared
- Location: Mlg Uplock
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA20070018

## Discrepancy

LANDING GEAR UNSAFE CONDITION IN NEUTRAL.  FOUND RIGHT UPLATCH SHEAR BOLT SHEARED.  REPLACED BOLT AND PERFORMED GEAR SWING PER NAC PURDUE MB6-0-1.  OPS CHECKED GOOD.

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