AD 2021-07-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Various | Airworthiness Directives; Airbus Helicopters |
Unsafe Condition
Inconsistencies between inspections and maintenance actions required by ADs and inspections and maintenance actions specified in the applicable maintenance manual have been identified, which may lead to an unsafe condition on these products.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect each bearing holder damper bushing for wear, a crack, tears, and play between each bushing and support plate; each bearing holder for a crack, fretting, and corrosion around the attachment holes; and each rubber sleeve for rotation, crazing, play between the inner races and the rubber sleeve, and lack of integrity of the elastomer. Depending on the inspection results, remove certain parts from service. Replace certain part-numbered TR bearings with one part-numbered bearing and repetitively inspect one part-numbered bearing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 100 hours time-in-service (TIS), and thereafter at intervals not to exceed 165 hours TIS
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Airbus Helicopters Model AS350B, AS350B1, AS350B2, AS350B3, AS350BA, AS350C, AS350D, AS350D1, AS355E, AS355F, AS355F1, AS355F2, AS355N, and AS355NP helicopters with a bearing part number (P/N) 593404, 6007-2RS1MT47CA, P9107NPP7, 83A851BC3, or 83A851B-1C3, or manufacturer part number (MP/N) 704A33-651-010, 704A33-651-111, 704A33-651-143, or 704A33-651-181 installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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