ENGINEERING ORDER N° IM A320-72/1628webapp.ifrskeyes.com/GED/AMSFSKUPRD/(1628) IM-A320-72...ITEM QTY PART NUMBER DESCRIPTION REMARK 1 1 IAE 2P16369 Electrical Test 2 1 M81969/14-10

ENGINEERING ORDER N° IM A320-72/1628

Engineering Management Pudahuel, Santiago, Chile

WORK ORDER : …………….

ITEM NUMBER : …………….

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Form R145-38 Rev 0

19) PART LIST

ITEM QTY PART NUMBER DESCRIPTION REMARKS

1 1 5A1857 Rivet

2 1 5A1875* Reusable Engine Identification

Plate Supply by IAE Representative

3 1 5A1942* Reusable Engine Identification

Plate Supply by IAE Representative

4 A/R HAA18704** Jumper Assembly Alternative PN 2A2315




(*) Engine Identification Plate will be not available in our Stockroom only it will be supply by IAE Representative when Sky Airline requires. (**) This PN will be used only in case that the Jumper pin required changes, with the new Engine Rate configuration.

20) TOOL LIST

ITEM QTY PART NUMBER DESCRIPTION REMARK

1 1 IAE 2P16369 Electrical Test

2 1 M81969/14-10 Removal/installing tool





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21) TABLE I

APPLICABILITY ACCOMPLISHMENT

Engines V2524-A5 and V2527E-A5 All Serial Number

Power Plant Engineering will inform to planning department case by case which Engine Serial Number will be applicable to this modification.





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Form R145-38 Rev 0

22) REVISION RECORD

N° REVISION ITEM DESCRIPTION DATE

0

ALL

ORIGINAL RELEASE

Jun 05, 2015





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TASK DESCRIPTION MEC LICENSE

& SIGNATURE

INSPECTOR &

SIGNATURE

ACCOMPLISHMENT INSTRUCTIONS

A. Record the following data:

1) A/C MSN_______________

2) ESN _______________

3) Position ___________

4) Current Engine Model _______________

5) New Engine Model _______________

6) Data Entry Plug Variable N° _______________

7) EEC PN_______________ SN____________ SOFTWARE __________

8) P/N Engine Data Plate ________________

9) FMU PN_________________ SN___________

M

I

B. Select the applicable FMU Table 2, 3 or 4 from Figure 1, sheets 1, 2 and 3, to

determine which (if any) Service Bulletins must be incorporated into the subject

engine before performing an engine model rating change.

M

I

C. Remove the Data Entry Plug by the procedure given in Reference AMM

Chapter/Section 73-22-35-300-010-A01, Replace the jumpers, contacts or

connector, VRS3500.

M

I

D. Disassemble the Data Entry Plug assembly Part No.2A3106 by the procedure

specified in Chapter/Section 73-22-35-300-010-A01, Replace the jumpers, contacts

or connector, VRS3500 and figure 2.

NOTE: The Data Entry Plug assembly can be disassembled as necessary to permit

the installation of the necessary jumper wires.

M

I

E. Record the following information in the corresponding fields on Figure

3A from the Data Entry Plug Connector:

1) Engine Serial Number

2) Bump Rating

3) Variant

4) EPR Modifier

M

I





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ACCOMPLISHMENT INSTRUCTIONS MEC LICENSE &

SIGNATURE

INSPECTOR &

SIGNATURE

F. Mark the existing Data Entry Plug connections on the diagram in Figure 3A. M

I

G. After marking the existing Data Entry Plug wiring in Figure 3A, make sure all the

connections originate from the ground pin to the non-ground pin. If not, re-arrange

the marking to meet this requirement. See Figure 4 for an illustration of which pins

are the ground pins. See Figure 5 for an example of correcting the marking of the

Data Entry Plug diagram.

NOTE: Jumper wires are utilized for the Variant, Engine Serial Number and EPR

Modifier. Only the jumpers for the Variant require removal. The other

connections need to be maintained per steps (H) through (K) below.

M

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H. Locate the current variant number in either Table 5 or Table 6 if the engine is a

Standard A5 engine, (or) Table 7 or Table 8 if the engine is a Select One™ engine.

Make note of the pin connections for Channel A and B listed in this table. Highlight

only these pin connections in Figure 3A. Refer to figures 6 and 7 for details.

M

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I. Using the same table from step (H), locate the variant of the desired new engine

thrust rating. Mark these pin connections on the diagram in Figure 3B.

NOTE: Desired new engine thrust could be find in the Engine Data Plate

M

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J. Now ignore the highlighted variant connections in Figure 3A (the old variant

connections) and copy the rest of the connections to the diagram in Figure 3B.

CAUTION: WHILE RE-WIRING THE DATA ENTRY PLUG PER FIGURE 3B FOR

NEW ENGINE VARIANT, DO NOT DISCONNECT THE GROUND

PINS.

M

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K. Determine the jumper pin changes required from the differences between the

diagrams in Figure 3A and 3B and any new jumpers needed. See Figure 2, and

AMM Chapter/Section 73-22-35-300-010-A01, Replace the jumpers, contacts or

connector, VRS3500, Figure/Item No. 01-100).

CAUTION: INSTALLATION OF AN INCORRECTLY WIRED DATA ENTRY PLUG

CAN LEAD TO OPERATIONAL ISSUES INCLUDING THE

POSSIBILITY OF AN ENGINE SURGE.

M

I





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SIGNATURE

INSPECTOR &

SIGNATURE

L. Modify the Data Entry Plug connector by the procedure specified in AMM,


connector, VRS3500.

M

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M. Assemble the Data Entry Plug assembly by the procedure specified in AMM


connector, VRS3500.

M

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N. Do a check of the wiring I.A.W. the procedure specified in AMM Chapter/Section 73-

22-35-300-010-A01, Replace the jumpers, contacts or connector, VRS3500.

M

I

O. Mark the Data Entry Plug backshell with the new Variant Number by the vibration

peen procedure specified in V2500 SPM Chapter/section 70-09-00, Marking of

Parts and Figure 9.

M

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P. Install the Data Entry Plug by the procedure specified in AMM Chapter/Section 73-


M

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Q. Record the new power rate of the engine in the identification plate as follow:

1) Record with a X the type of the engine identification plate in according to figure

10:

i. Non-Reusable engine identification plate P/N 5A1874: _______

ii. Reusable engine identification plate P/N 5A1875: _______

iii. Reusable engine identification plate P/N 5A1942: _______

2) If the register engine identification plate is reusable P/N 5A1875, remove and

install a new power rate indication rivet PN 5A1857. Refer to figure 11 and figure

12.

a) Drill a hole 0.098 - 0.101 in. (2,5 - 2,56 mm.) diameter at the circle

marked on the Engine Identification Plate at the designated rating, and

deburr the hole.

b) Install the Engine Rating Indicator, P/N 5A1857 (IAE Rivet) through the

Engine Identification Plate, P/N 5A1875 at the designated rating and

squeeze with the power riveter.

M

M

M

M

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SIGNATURE

INSPECTOR &

SIGNATURE

3) If the register engine identification plate is reusable P/N 5A1942, remove and install

a new power rate indication rivet PN 5A1857. Refer to figure 11and figure 12.

a) Drill a hole 0.098 - 0.101 in. (2,5 - 2,56 mm.) diameter at the circle

marked on the Engine Identification Plate at the designated rating, and

deburr the hole.

b) Install the Engine Rating Indicator, P/N 5A1857 (IAE Rivet) through the

Engine Identification Plate, P/N 5A1875 at the designated rating and

squeeze with the power riveter.

4) If the register engine identification plate is only one use, P/N’s 5A1465, 5A1855 or

5A1874, notified to Power Plant Engineering in order to obtain from IAE a new

identification plate with the followings PN’s Non-Reusable Plate PN 5A1874 or

Reusable Engine Identification Plate PN 5A1875 or PN 5A1942.

M

M

I I

R. Check the Data Entry Plug wiring by interrogating the MCDU, when the engine is

installed on the aircraft. Use the procedure specified in Chapter/Section of AMM 73-


M

I

S. Perform an operational test of the EEC i.a.w. AMM 73-22-34. M I

T. Record new data:

1) A/C MSN_______________

2) ESN _______________

3) Position ___________

4) New Engine Model _______________

5) New Data Entry Plug Variable N° _______________

6) EEC PN_______________ SN________________ SOFTWARE __________

7) P/N Engine Data Plate ________________

8) FMU PN_________________ SN___________

M

I





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Figure 1 - Sheet 1





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Figure 1 - Sheet 2





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Figure 1 - Sheet 3





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Data Entry Plug Assembly

Figure 2





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Figure 3A





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Figure 3B





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Figure 4





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Correct marking example

Figure 5





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Figure 6





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Figure 7





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Figure 8





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IDENTIFICATION OF THE DATA ENTRY PLUG ASSEMBLY TO THE NEW PART NUMBER

Figure 9





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ENGINE IDENTIFICATION PLATE

Figure 10





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ENGINE RATING IDENTIFICATOR RIVET

Figure 11





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ENGINE RATING IDENTIFICATOR PLATE

Figure 12





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Deviation Record Sheet

Paragraph Observation Action Authorized by Performed by

Documents

ENGINEERING ORDER N° IM A320-72/1628webapp.ifrskeyes.com/GED/AMSFSKUPRD/(1628) IM-A320-72...ITEM QTY PART NUMBER DESCRIPTION REMARK 1 1 IAE 2P16369 Electrical Test 2 1 M81969/14-10