AD 67-10-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Dowty Propellers | (c) R130/4-20-4/ | DOWTY-ROTOL PROPELLERS Models (c) R.186/4-30-4/16, (c) R.175/4-30-4/13E, (c) R.130/4-20-4/12E, and (c) R.148/4-20-4/21E Propellers |
| aircraft | Dowty Propellers | (c) R148/4-20-4/ | DOWTY-ROTOL PROPELLERS Models (c) R.186/4-30-4/16, (c) R.175/4-30-4/13E, (c) R.130/4-20-4/12E, and (c) R.148/4-20-4/21E Propellers |
| aircraft | Dowty Propellers | (c) R175/4-30-4/ | DOWTY-ROTOL PROPELLERS Models (c) R.186/4-30-4/16, (c) R.175/4-30-4/13E, (c) R.130/4-20-4/12E, and (c) R.148/4-20-4/21E Propellers |
| aircraft | Dowty Propellers | (c) R186/4-30-4/ | DOWTY-ROTOL PROPELLERS Models (c) R.186/4-30-4/16, (c) R.175/4-30-4/13E, (c) R.130/4-20-4/12E, and (c) R.148/4-20-4/21E Propellers |
Unsafe Condition
Failure of the propeller cylinders, P/N's RA.38581, RA.38581/1, RA.44133, RA.44133/1, RA.44709 and RA.62807, due to cracks.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the propeller cylinder retaining nut threads for cracks using ultrasonic techniques or an equivalent approved method. Replace the propeller cylinder if cracks are found before further flight.
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Compliance Time
Compliance required as indicated, unless already accomplished.
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Affected Aircraft
Dowty- Rotol Propellers models (c) R.186/4-30-4/16, (c) R.175/4-30-4/13E, (c) R.130/4-20-4/12E, and (c) R.148/4-20-4/21E installed on specific aircraft: Armstrong Whitworth Argosy AW-650, Fairchild F-27 and F-27B, Viscount 745D, and Viscount 744.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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