Loss of the Air Data Display on the CAPT PFD with the AIR DATA Selector Switch at CAPT/3

TASK 34-11-00-810-895-A
Loss of the Air Data Display on the CAPT PFD with the AIR DATA Selector Switch at CAPT/3

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 34-11-00-810-868-A	Loss of the Attitude Data on the CAPT PFD with the ATT HDG Selector Switch at CAPT/3
AMM 31-63-34-000-001	Removal of the DMC
AMM 31-63-34-400-001	Installation of the DMC
ASM 316804

3. Fault Confirmation
Subtask 34-11-00-700-056-A

A. Test
Not applicable, the fault is evident.

4. Fault Isolation
Subtask 34-11-00-810-214-A

A. If the air data indications go out of view on the CAPT PFD with the AIR DATA selector switch at CAPT/3:

(1) If there is no ground signal:

(a) If the fault continues:

do a check and repair the wiring of the AIR DATA selector switch (15FP):
pin A/5 to the ground point
pin A/6 to the first terminal block ASM 316804.

(2) If there is a ground signal:

[Rev.8 from Aug 2018] 2026.04.04 04:32:19 UTC