AD 71-18-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | McCauley Propeller Systems | 2AF34C55 | MCCAULEY Model 2AF34C55, 2AF34C55-A, B, C, D, E, F, G, H, HM, J, JM, K, KM, L, LM, M and N Propellers |
Unsafe Condition
Counterweight assembly failures
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Propellers must be modified in accordance with McCauley Service Bulletin Nos. 93 dated 21 April 1971 and 93-1 dated 30 June 1971 or later FAA approved revision or an equivalent method approved by the Chief, Engineering and Manufacturing Branch, Eastern Region.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 100 hours time in service for propellers with 750 hours or more time in service as of 08/31/1971; prior to the accumulation of 850 hours in service for propellers with less than 750 hours in service as of 08/31/1971
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
McCauley Propeller Systems Model 2AF34C55, 2AF34C55-A, B, C, D, E, F, G, H, HM, J, JM, K, KM, L, LM, M and N propellers
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.