Fault conditions that cannot be reset with the Slat/Flap Control Handle and is inhibiting the slat and/or flap system operation controlled by the Slat Flap Control Unit 1.

• Slat/Flap Control Unit (SFCU) 1 (A124)
• Slat/Flap Control Unit (SFCU) 2 (A95)

Advisory Wire/Service Bulletin:

• AW700-27-0373 - SFCU -17: "SLAT-FLAP HALFSPD" EICAS Nuisance Message

Forum Articles/Infoservice/Newsletter: None

Criteria that can latch the SFCU:

• Slat/flap control handle fault (latched first time)
• Slat or flap motor over-temperature fault (latched second time)
• Under-speed fault or jam condition (latched third time)
• Invalid SFCU ID fault (latched first time)
• Uncommanded motion fault (latched third time)
• Over-speed fault (latched first time)
• Asymmetry fault (latched first time)
• Flap skew fault (latched first time)
• Slat motor wiring fault or flap motor wiring fault

Performing a SLAT FLAP RESET on the EMS CDU may clear this message. The latched fault can be cleared by doing the AMM 27−51−05−910−801 "Clear Slat/Flap Control Unit (SFCU) Latched Faults".

1. When SFCU 1 or 2 is reporting another fault in CAIMS, perform the troubleshooting of the other CAIMS fault.
2. Do close out.