ENGINE TYPE CHECK [CFMI]
TASK 77-00-00-040-001-A
ENGINE TYPE CHECK
1. Reason for the Job
MMEL 77-09-01A
ENG TYPE DISAGREE ALERT
2. Job Set-up Information
A. Referenced Information
3. Job Set-up
Subtask 77-00-00-860-061-A ** ON A/C NOT FOR ALL
Subtask 77-00-00-040-055-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:37:35 UTC
ENGINE TYPE CHECK
1. Reason for the Job
MMEL 77-09-01A
ENG TYPE DISAGREE ALERT
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| TSM 77-00-00-810-890 | Type Disagree between Engine 1 and Engine 2 or between Engines and Aircraft Pin Programming |
Subtask 77-00-00-860-061-A ** ON A/C NOT FOR ALL
A. Not Applicable
4. ProcedureSubtask 77-00-00-040-055-A ** ON A/C NOT FOR ALL
A. Engine type check
(1) Make sure that both engines have the same thrust rating and bump function, if not TSM 77-00-00-810-890:
(a) On the left or right MCDU, do this check:
1 Push the line key adjacent to the FADEC 1: The ENGINE MAIN MENU page comes into view.
2 Push the line key adjacent to the LRU identification: The LRU IDENTIFICATION ENGINE 1 page comes into view.
a Read the engine 1 type on the MCDU screen:
c Push the line key adjacent to the FADEC 2: The ENGINE MAIN MENU page comes into view.
d Push the line key adjacent to the LRU identification: The LRU IDENTIFICATION ENGINE 2 page comes into view.
e Read the engine 2 type on the MCDU screen:
(3) If both engines have the same thrust rating and bump function, and match the A/C type configuration, make sure that the Aircraft is in one of these configurations, if not TSM 77-00-00-810-890:
(a) Engine type intermix configuration:
1 On the left or right MCDU, do this check:
a Push the line key adjacent to the FADEC 1: The ENGINE MAIN MENU page comes into view.
b Push the line key adjacent to the LRU identification: The LRU IDENTIFICATION ENGINE 1 page comes into view.
(b) ECU software intermix configuration:
1 On the left or right MCDU, do this check:
a Push the line key adjacent to the FADEC 1: The ENGINE MAIN MENU page comes into view.
b Push the line key adjacent to the LRU identification: The LRU IDENTIFICATION ENGINE 1 page comes into view.
d Push the line key adjacent to the FADEC 2: The ENGINE MAIN MENU page comes into view.
e Push the line key adjacent to the LRU identification: The LRU IDENTIFICATION ENGINE 2 page comes into view.
(1) Make sure that both engines have the same thrust rating and bump function, if not TSM 77-00-00-810-890:
(a) On the left or right MCDU, do this check:
1 Push the line key adjacent to the FADEC 1: The ENGINE MAIN MENU page comes into view.
2 Push the line key adjacent to the LRU identification: The LRU IDENTIFICATION ENGINE 1 page comes into view.
a Read the engine 1 type on the MCDU screen:
- Engine thrust rating and type
c Push the line key adjacent to the FADEC 2: The ENGINE MAIN MENU page comes into view.
d Push the line key adjacent to the LRU identification: The LRU IDENTIFICATION ENGINE 2 page comes into view.
e Read the engine 2 type on the MCDU screen:
- Engine thrust rating and type
| A/C MODEL | ENGINE MODEL |
|---|---|
| A319-113 | CFM56-5A4 |
| A319-114 | CFM56-5A5 |
| A320-111 A320-211 | CFM56-5A1 CFM56-5A1 |
| A320-212 | CFM56-5A3 |
(a) Engine type intermix configuration:
1 On the left or right MCDU, do this check:
a Push the line key adjacent to the FADEC 1: The ENGINE MAIN MENU page comes into view.
b Push the line key adjacent to the LRU identification: The LRU IDENTIFICATION ENGINE 1 page comes into view.
- Read the engine 1 type on the MCDU screen:
- Engine rating - Return to the screen of the SYSTEM REPORT/TEST ENG.
- Push the line key adjacent to the FADEC 2: The ENGINE MAIN MENU page comes into view.
- Push the line key adjacent to the LRU identification: The LRU IDENTIFICATION ENGINE 2 page comes into view.
- Read the engine 2 type on the MCDU screen:
- Engine rating
(b) ECU software intermix configuration:
1 On the left or right MCDU, do this check:
a Push the line key adjacent to the FADEC 1: The ENGINE MAIN MENU page comes into view.
b Push the line key adjacent to the LRU identification: The LRU IDENTIFICATION ENGINE 1 page comes into view.
- Record or print the ECU P/N on the MCDU screen:
NOTE: ECU P/N is the 10 digit number adjacent to the (2R) line key.
c Return to the screen of the SYSTEM REPORT/TEST ENG. d Push the line key adjacent to the FADEC 2: The ENGINE MAIN MENU page comes into view.
e Push the line key adjacent to the LRU identification: The LRU IDENTIFICATION ENGINE 2 page comes into view.
- Record or print the ECU P/N on the MCDU screen:
NOTE: ECU P/N is the 10 digit number adjacent to the (2R) line key.
2 Check that one of the ECU P/N recorded or printed is part of the following list (ECU standard 5AI or 5AI+) on one engine only: - 1459M55P31
- 1459M55P32
- 1459M55P33
- 1459M55P34
- 1519M83P18
- 1519M83P19
- 1519M83P20
- 1519M83P21
- 1820M27P15
- 1820M27P16
- 1820M27P17
- 1820M27P18
- 1459M55P14
- 1459M55P15
- 1459M55P16
- 1459M55P17
- 1459M55P18
- 1459M55P19
- 1459M55P20
- 1459M55P21
- 1459M55P25
- 1459M55P26
- 1459M55P27
- 1459M55P28
- 1459M55P29
- 1459M55P30
- 1519M83P01
- 1519M83P02
- 1519M83P03
- 1519M83P04
- 1519M83P05
- 1519M83P06
- 1519M83P07
- 1519M83P08
- 1519M83P12
- 1519M83P13
- 1519M83P14
- 1519M83P15
- 1519M83P16
- 1519M83P17
- 1820M27P01
- 1820M27P02
- 1820M27P03
- 1820M27P04
- 1820M27P05
- 1820M27P09
- 1820M27P10
- 1820M27P11
- 1820M27P12
- 1820M27P13
- 1820M27P14