ECB 59KD Fault (APS 3200)

TASK 49-00-00-810-911-A
ECB 59KD Fault (APS 3200)

1. Possible Causes

ELECTRONIC CONTROL BOX [59KD]

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 49-00-00-710-008	Operational Test of the APU
AMM 49-61-34-000-002	Removal of the Electronic Control Box (ECB) (APS 3200)
AMM 49-61-34-400-002	Installation of the Electronic Control Box (ECB) (APS 3200)

3. Fault Confirmation
Subtask 49-00-00-710-270-A ** ON A/C NOT FOR ALL

A. Do the operational test of the APU AMM 49-00-00-710-008.

4. Fault Isolation
Subtask 49-00-00-810-162-B ** ON A/C NOT FOR ALL

A. If the APU Last Leg Report gives the maintenance message:

ECB 59KD:
Fault Code Number: 024 or 064 or 066 or 071 or 073 or 082 or 089 or 100 or 101 or 107 or 117

replace the ELECTRONIC CONTROL BOX [59KD] AMM 49-61-34-000-002 and AMM 49-61-34-400-002.

Subtask 49-00-00-710-271-A ** ON A/C NOT FOR ALL

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:34:25 UTC