Failure of the Bleed Air Precooler-Exchanger of the Engine 2

TASK 36-11-00-810-862-A
Failure of the Bleed Air Precooler-Exchanger of the Engine 2

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 36-11-42-000-001	Removal of the Bleed-Air Precooler Exchanger
AMM 36-11-42-400-001	Installation of the Bleed-Air Precooler Exchanger

3. Fault Confirmation
Subtask 36-11-00-710-168-A ** ON A/C NOT FOR ALL

A. Test
(1) Not Applicable

4. Fault Isolation
Subtask 36-11-00-810-110-A ** ON A/C NOT FOR ALL

A. If the fault symptom is identified by the maintenance message:
PRECOOLER

replace the EXCHANGER-BLEED AIR PRECOOL [7150HM2] AMM 36-11-42-000-001 and AMM 36-11-42-400-001.

(1) If the fault continues:

do a check and repair the clogged duct between the fan of the engine and the fan air valve (9HA2).

Subtask 36-11-00-710-169-A ** ON A/C NOT FOR ALL

B. Test
(1) Do the engine start procedure.
(2) Make sure that the ECAM warning AIR ENG 2 BLEED FAULT is not shown on the upper ECAM DU.

[Rev.8 from Aug 2018] 2026.04.04 04:33:46 UTC