AD 2017-19-21

final rule
Data completeness: 70%

Airworthiness Directives; Airbus Helicopters

AD Number
2017-19-21
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2016-9143
FR Citation
82 FR 44509

Applicability

TypeManufacturerModelDetails
aircraft Airbus Helicopters Model EC225LP Airworthiness Directives; Airbus Helicopters

Unsafe Condition

False emergency lubrication system (EMLUB) warning. This condition, when associated with a loss of the main gearbox (MGB) oil pressure, could result in an unnecessary emergency landing or ditching.

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

Required Actions

Replace EMLUB glycol pump part number (P/N) 332A32-5051-00 with P/N 332A32-5043-00. Replace EMLUB air pressure switch P/N MA193-00 or MC7014-0-00 with P/N MC7014-1-00, and replace EMLUB glycol pressure switch P/N MA194-01 or MC7015-0-00 with P/N MC7015-1-00. Modify and re-identify the helicopter wiring harness. Replace MGB lubrication cards as specified.

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

Compliance Time

Within 500 hours time-in-service

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Affected Aircraft

Airbus Helicopters Model EC225LP helicopters, certificated in any category.

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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