Flap Flag Indication Does Not Agree With Flap Position

TASK 27-51-00-810-843-A
Flap Flag Indication Does Not Agree With Flap Position

1. Possible Causes

IPPU-FLAP [3CN]

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 27-51-00-810-833-A	Flap Position Indication Disagree

3. Fault Confirmation
Subtask 27-51-00-710-073-A

A. Procedure
(1) Examine the post flight report for a CFDS fault message with the FIN 3CN A or 3CN B shown.

4. Fault Isolation
Subtask 27-51-00-810-094-A

A. Procedure
(1) If the FIN 3CN A or 3CN B is shown:
(a) This is an IPPU-FLAP [3CN] fault.
(b) For the trouble-shooting procedure (Ref. 27 CFDS).
(2) If the FIN 3CN A or 3CN B is not shown, do the trouble shooting (Ref. TSM TASK 27-51-00-810-833).

[Rev.8 from Aug 2018] 2026.04.04 04:27:40 UTC