HP Bleed Valve blocked in the closed position or regulation too low on Engine 1 without associated maintenance message

TASK 36-11-00-810-936-A
HP Bleed Valve blocked in the closed position or regulation too low on Engine 1 without associated maintenance message

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 36-11-00-810-837-A	Failure of the HP Bleed Valve of the Engine 1 Blocked in the Closed Position

3. Fault Confirmation
Subtask 36-11-00-710-380-A ** ON A/C NOT FOR ALL

A. Do the Last Leg Report Test of the BMC 1

4. Fault Isolation
Subtask 36-11-00-810-224-A ** ON A/C NOT FOR ALL

A. If the Last Leg Report Test of the BMC 1 shows the maintenance message:
36-11-51
HP BLEED-V 4000HA1
OR SENSE LINE

do the following trouble shooting procedure (Ref. TSM TASK 36-11-00-810-837)

[Rev.8 from Aug 2018] 2026.04.04 04:33:50 UTC