AD 2016-25-28

final rule
Data completeness: 80%

Airworthiness Directives; Airbus Helicopters

AD Number
2016-25-28
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2015-5807
FR Citation
81 FR 94942

Applicability

TypeManufacturerModelDetails
aircraft Airbus Helicopters Model AS355NP Airworthiness Directives; Airbus Helicopters

Unsafe Condition

The left-hand and right-hand fire extinguishing discharge systems were incorrectly connected, leading to the potential discharge of the fire extinguisher in the wrong engine compartment in the event of a fire.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Remove and install the fire extinguishing system pipes in accordance with Airbus Helicopters' service information. Remove any placards on the instrument panel if installed.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 600 hours time-in-service or at the next annual inspection, whichever occurs first.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Airbus Helicopters Model AS355NP helicopters with an Arrius 1A1 fire extinguishing system 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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