AD 2018-07-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A350-941 | Airworthiness Directives; Airbus Airplanes |
Unsafe Condition
Occurrences have been reported by Airbus A350 operators of malfunctions of Station Position Pick-Off Units (SPPU). Investigations indicated that internal wiring failures occurred due to water ingress via certain electrical connectors, inducing subsequent icing during flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Performing repetitive SPPU calibration tests, and applying the corresponding airplane fault isolation if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
All Airbus Model A350-941 airplanes
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.