AD 2005-06-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | France Model EC 155B and EC 155B1 | Airworthiness Directives; Eurocopter France Model EC 155B and EC 155B1 Helicopters |
Unsafe Condition
Separation of a cabin sliding door during flight, potentially leading to damage to the helicopter, forced landing, or loss of control.
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Required Actions
Revise the Limitations Section of the Rotorcraft Flight Manual to prohibit opening or closing cabin sliding doors at airspeeds of 40 knots or greater. Within 50 hours time-in-service, inspect the chamfer on the stop of the lower rail aft fitting of each cabin sliding door; if the chamfer exceeds 2mm, install an airworthy stop. Prior to each flight with a door open, visually check that the door is correctly locked in the open position. Prior to each flight with a door closed, check the locking indicator light and door handles to ensure proper closure.
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Compliance Time
Within 50 hours time-in-service for the inspection and installation of airworthy stops, before further flight for RFM revision.
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Affected Aircraft
Eurocopter France Model EC 155B and EC 155B1 helicopters with cabin sliding doors, part numbers 365A82-1064-02 (left-hand door) and 365A82-1064-03 (right-hand door), and stop part number 365A25-8085-21 installed.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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