AD 69-19-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Dowty Propellers | (c) R130/4-20-4/ | DOWTY ROTOL Models (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 Models (c) R.130/4-20-4/12E and (c) R.148/4-20-4/21E Propellers |
Unsafe Condition
Cracked hub arm threads in Dowty Rotol propellers could result in propeller failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect hub arm threads using Service Bulletin 61-608 or equivalent method. Remove from service hub and driving center assemblies with specified part numbers and serial numbers based on time in service thresholds. Replace hubs with cracked threads before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Compliance required as indicated, unless already accomplished. Inspections must be done within 400 hours' time in service after the effective date or before 3,000 hours' time since last inspection, depending on time in service. Removal from service must occur within 400 hours' time in service after the effective date or upon reaching specified total hours (20,000 or 30,000).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Dowty Propellers models (c) R.130/4-20-4/12E and (c) R.148/4-20-4/21E installed on British Aircraft Corporation Viscount 744 and 745D airplanes, with specific serial numbers listed in paragraph (c) and part numbers RA.48546, RA.59601, RA.59602, and others in paragraph (e).
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.