AD 2017-09-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Helicopters Deutschland GmbH | Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters |
Unsafe Condition
Detached air inlet cover ring (ring), which could become stuck between the air inlet and the cyclic stick, restricting movement of the cyclic stick. This condition could result in loss of helicopter control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 100 hours time-in-service (TIS), manually inspect each ring to determine if it is loose. If a ring is loose, before further flight, glue the ring on the air inlet using an adhesive (CM 687 or CM 6044 or equivalent) and rivet the ring to the air inlet in accordance with the Accomplishment Instructions in the applicable Alert Service Bulletin. If a ring is not loose, within 400 hours TIS, manually inspect the ring again. If the ring is loose, before further flight, glue the ring on the air inlet using an adhesive and rivet the ring to the air inlet.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 100 hours time-in-service (TIS) for loose rings; within 400 hours TIS for non-loose rings.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Airbus Helicopters Deutschland GmbH Model MBB-BK 117 C-2 (including configuration C-2e) helicopters, serial number 9004 through 9725, and Model MBB-BK 117 D-2 helicopters, serial number 20003 through 20045, with an air inlet part number (P/N) B212M20C1005 installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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