Result of the Operational Test of the Logics that Activates the ELAC 1#amp#2 and SEC 1 STBY PWR SPLY not Satisfactory

TASK 27-96-00-810-801-A
Result of the Operational Test of the Logics that Activates the ELAC 1&2 and SEC 1 STBY PWR SPLY not Satisfactory

1. Possible Causes

RELAY-ELAC 1 BATT SPLY BREAKING [35CE]
ELAC-1 [2CE1]
PSDU-ELAC 1 [43CE]
C/B- [16CE1]
RELAY-SEC 1 BATT SPLY BREAKING [37CE]
SEC-1 [1CE1]
PSDU-SEC 1 [45CE]
C/B-FLT CTL/SEC1/STBY SPLY [22CE]
RELAY-ELAC 2 ANN SPLY [40CE2]
RELAY-SEC 2 SPLY [46CE]
RELAY-ELAC 2/SEC2 SPLY RELAY DRIVE [50CE]
P/BSW-FLT CTL/ELAC 2 [6CE2]
RELAY - ELAC2 SPLY [53CE]
RELAY-ELAC 2 SPLY [44CE]
RELAY-ELAC 2 EMER SPLY [48CE]
C/B-FLIGHT CONTROLS/ELAC2/STBY SPLY [16CE2]
PRESS SW-B HYD, FLT CTL [10CE1]
RELAY - ELAC2 SPLY [64CE]
LGCIU-1 [5GA1]
SEC-3 [1CE3]
wiring
SEC-2 [1CE2]

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 27-95-00-810-834-A	Loss of the Side Stick Priority Indication on the Glareshield Panel
ASM 279202
AIPC 27920301
ASM 279204
AIPC 27920802
AIPC 27920803
AIPC 27920804
ASM 279227
AMM 27-93-34-000-001	Removal of the ELAC
AMM 27-93-34-400-001	Installation of the ELAC
AMM 27-94-34-000-001	Removal of the SEC
AMM 27-94-34-400-001	Installation of the SEC
AMM 27-96-00-710-018	Operational Test of Logics Activating ELAC 1&2, & SEC 1 STBY PWR SPLY & Ability of SEC 1&2 to Achieve Pitch CTL & Ability of Sidestick Priority Function
AMM 32-31-71-000-001	Removal of the LGCIU
AMM 32-31-71-400-001	Installation of the LGCIU

3. Fault Confirmation
Subtask 27-96-00-710-050-A

A. Test
Do the operational test AMM 27-96-00-710-018

4. Fault Isolation
Subtask 27-96-00-810-051-A

A. If during the test, when you open the circuit breakers 15CE1 and 21CE1:
(1) The ELAC1 FAULT warning comes into view:
(a) Remove the RELAY-ELAC 1 BATT SPLY BREAKING [35CE] AIPC 27920803
(b) Do a check of the resistance of the relay 35CE.
1 If the resistance is less than 280 ohms:

Replace the relay 35CE AIPC 27920803.
Replace the ELAC-1 [2CE1] AMM 27-93-34-000-001 AMM 27-93-34-400-001.

2 If the resistance is more than 400 ohms:

Replace the RELAY-ELAC 1 BATT SPLY BREAKING [35CE] AIPC 27920803.

3 If the resistance is between 280 and 400 ohms:

Go to para (c).

Replace the ELAC-1 [2CE1] AMM 27-93-34-000-001 AMM 27-93-34-400-001.

(e) If the fault continues:

Replace the PSDU-ELAC 1 [43CE] AIPC 27920803.

(f) If the fault continues:

Replace the C/B- [16CE1] AIPC 27920804.

(g) If the fault continues:

Replace the RELAY-ELAC 1 BATT SPLY BREAKING [35CE] AIPC 27920803.

(h) If the fault continues, do a check of the wiring:

From the relay 35CE pin X2 to the ELAC1 pin 13G ASM 279202
From the ground to the ELAC1 pin 14G
From the PSDU 43CE pin 4 to the first terminal block
From the PSDU 43CE pin 1 to the ground
From the relay 35CE pin A2 to the PSDU pin 2
From the circuit breaker 16CE1 to the relay 35CE pin A1
From the relay 35CE pin X1 to the first terminal block.

(2) The SEC1 FAULT warning comes into view:
(a) Remove the RELAY-SEC 1 BATT SPLY BREAKING [37CE] AIPC 27920803.
(b) Do a check of the resistance of the relay:
1 If the resistance is less than 280 ohms:

Replace the relay (37CE) AIPC 27920803.
Replace the SEC-1 [1CE1] AMM 27-94-34-000-001 AMM 27-94-34-400-001.

2 If the resistance is more than 400 ohms:

Replace the RELAY-SEC 1 BATT SPLY BREAKING [37CE] AIPC 27920803.

3 If the resistance is between 280 and 400 ohms:

Go to para (c).

Replace the SEC-1 [1CE1] AMM 27-94-34-000-001 AMM 27-94-34-400-001.

(e) If the fault continues:

Replace the PSDU-SEC 1 [45CE] AIPC 27920803.

(f) If the fault continues:

Replace the C/B-FLT CTL/SEC1/STBY SPLY [22CE] AIPC 27920804.

(g) If the fault continues:

Replace the RELAY-SEC 1 BATT SPLY BREAKING [37CE] AIPC 27920803.

(h) If the fault continues, do a check of the wiring:

From the relay 37CE pin X2 to the SEC1 pin 14A ASM 279204.
From the ground to the SEC1 pin 14B
From the PSDU 45CE pin 4 to the first terminal block
From the PSDU 45CE pin 1 to the ground
From the relay 37CE pin A2 to the PSDU pin 2
From the circuit breaker 22 CE to the relay 37 CE pin A
From the relay 37 CE pin X1 to the first terminal block.

Subtask 27-96-00-810-052-A

B. If during the test, when you open the GA circuit breakers and circuit breaker 15CE2:
(1) The ELAC2 FAULT warning and the FAULT legend of the ELAC2 pushbutton switch do not come into view:
(a) Replace the RELAY-ELAC 2 ANN SPLY [40CE2] AIPC 27920803.
(b) If the fault continues, replace the relay 48CE.
(c) If the fault continues, do a check and repair the wiring:

From the relay 48CE pin X1 to the C/B.
From the relay 48CE pin X2 to the ground.
ASM 279202.

(2) Only the FAULT legend of the ELAC2 pushbutton switch does not come into view:
(a) Replace the RELAY-SEC 2 SPLY [46CE] AIPC 27920803.
(b) If the fault continues:

Replace the RELAY-ELAC 2/SEC2 SPLY RELAY DRIVE [50CE] AIPC 27920803.

Replace the RELAY-ELAC 2 ANN SPLY [40CE2] AIPC 27920803.

(d) If the fault continues:

Replace the P/BSW-FLT CTL/ELAC 2 [6CE2] AIPC 27920802.

(e) If the fault continues, do a check and repair the wiring:
1 From the relay 50CE pin B2 to the relay 46CE pin A3
2 From the relay 50CE pin A3 to the ground
3 From the relay 46CE pin A1 to the ground
4 From the relay 46CE pin A2 to the relay 40CE2 pin A3
5 From the relay 40CE2 pin A2 to the pushbutton switch 6CE2 pin A3.
ASM 279202.

Subtask 27-96-00-810-053-A

C. If during the test, when you open the circuit breaker 19CE1:
(1) During the 30 second time delay, the ELAC2 FAULT warning stays in view:

Replace the RELAY - ELAC2 SPLY [53CE] AIPC 27920803

(a) If the fault continues:

Replace the RELAY-ELAC 2 SPLY [44CE] AIPC 27920803.

(b) If the fault continues:

Replace the RELAY-ELAC 2 EMER SPLY [48CE] AIPC 27920803.

Replace the RELAY-ELAC 2/SEC2 SPLY RELAY DRIVE [50CE] AIPC 27920803.

(d) If the fault continues:

Replace the C/B-FLIGHT CONTROLS/ELAC2/STBY SPLY [16CE2] AIPC 27920804.

(e) if the fault continues, do a check of the wiring:

From the circuit breaker 16CE2 to the relay 53CE pins A1, B1.
From the circuit breaker 16CE2 to the relay 35CE pin B2
From the relay 53CE pin A2 to the first terminal block
From the relay 53CE pin X1 to the relay 44CE pin A1
From the relay 53CE pin X2 to the relay 50CE pin A2
From the relay 50CE pin A3 to the ground
From the relay 44CE pin X1 to the relay 48CE pin B3
From the relay 44CE pin X2 to the relay 50CE pin A2
From the relay 44CE pin X1 to the relay 44CE pin A2
From the relay 35CE pin B1 to the relay 48CE pin B2.
ASM 279202.

(2) After the 30 second time delay, if the ELAC2 FAULT warning does not come into view:

Replace the RELAY-ELAC 2/SEC2 SPLY RELAY DRIVE [50CE] AIPC 27920803.

(a) If the fault continues:

Replace the PRESS SW-B HYD, FLT CTL [10CE1] AIPC 27920301.

(b) If the fault continues:

Do a check of the wiring from the relay 48CE pin B3 to the relay 50CE pin X1 and the wiring from the relay 50CE pin X2 to the ground.

Subtask 27-96-00-810-054-A

D. If during the test, when you depressurize the Blue hydraulic system (the GA circuit breakers, the circuit breakers 15CE2 and 19CE1 are open):
(1) The ELAC2 FAULT warning stays in view:

Replace the RELAY-ELAC 2/SEC2 SPLY RELAY DRIVE [50CE] AIPC 27920803.

(a) If the fault continues:

Replace the PRESS SW-B HYD, FLT CTL [10CE1] AIPC 27920301.

(b) If the fault continues, do a check of the wiring:

From the relay 48CE pin B3 to the relay 50CE pin X1
From the relay 50CE pin X2 to the ground.

Subtask 27-96-00-810-055-B

E. If during the test, when you close the GA circuit breakers, the ELAC2 FAULT warning stays in view:

Replace the RELAY - ELAC2 SPLY [64CE] AIPC 27920803.

(1) If the fault continues:

Replace the LGCIU-1 [5GA1] AMM 32-31-71-000-001 AMM 32-31-71-400-001.

(2) If the fault continues, do a check of the wiring:

From the LGCIU 1 pin 11D to the relay 64CE pin A1
From the relay 64CE pin A1 to the relay 64CE pin X1
From the relay 64CE pin B1 to the relay 44CE pin X2
From the relay 64CE pin A2 to the relay 48CE pin A3
From the relay 48CE pin A2 to the relay 35CE pin B1
From the relay 64CE pin B2 to the ground
From the relay 64CE pin X2 to the ground.

Subtask 27-96-00-810-056-A

F. If during the test, when you release the ELAC1 pushbutton switch, the ELAC2 FAULT warning comes into view:

Replace the RELAY-SEC 1 BATT SPLY BREAKING [37CE] AIPC 27920803.

(1) If the fault continues, do a check of the wiring:

From the relay 35CE pin B1 to the relay 37CE pin B1
From the relay 35CE pin B2 to the relay 37CE pin B2.

Subtask 27-96-00-810-057-A

G. If during the test, when you push the ELAC1 pushbutton switch, the ELAC2 FAULT warning stays in view:

Replace the RELAY-ELAC 1 BATT SPLY BREAKING [35CE] AIPC 27920803.

Subtask 27-96-00-810-050-A

H. If during the test, with the circuit breakers 15CE1 and 15CE2 open (ELACs de-energized) the SEC does not do the servoing of its related surface:
(1) On the SD, the symbols of the L and R spoilers 2 are in amber:

Replace the SEC-3 [1CE3] AMM 27-94-34-000-001 and AMM 27-94-34-400-001.

(a) If the fault continues:

Do a check and repair the wiring from the SEC 3 (1CE3) COM and MON to the terminal block (DSI 19) ASM 279227.

(2) On the SD, the symbols of the L and R spoilers 3, and the symbols B of the L and R elevators are in amber:

Replace the SEC-1 [1CE1] AMM 27-94-34-000-001 and AMM 27-94-34-400-001.

(a) If the fault continues:

Do a check and repair the wiring from the SEC 1 (1CE1) COM and MON to the terminal block (DSI 18) ASM 279227.

(3) On the SD, the symbols of the L and R spoilers 4 are in amber:

Replace the SEC-1 [1CE1] AMM 27-94-34-000-001 and AMM 27-94-34-400-001.

(a) If the fault continues:

Do a check and repair the wiring from the SEC 1 (1CE1) COM and MON to the terminal block (DSI 19) ASM 279227.

(4) On the SD, the symbols of the L and R spoilers 5, the symbol G of the L elevator and the symbol G of the L aileron are in amber:

Replace the SEC-2 [1CE2] AMM 27-94-34-000-001 and AMM 27-94-34-400-001.

(a) If the fault continues:

Do a check and repair the wiring from the SEC 2 (1CE2) COM and MON to the terminal block (DSI 18) ASM 279227.

(5) On the SD, the symbol Y of the R elevator is in amber:

Replace the SEC-2 [1CE2] AMM 27-94-34-000-001 and AMM 27-94-34-400-001.

(a) If the fault continues:

Do a check and repair the wiring from the SEC 2 (1CE2) COM and MON to the terminal block (DSI 19) ASM 279227.

(6) On the SD, the symbol G of the R aileron is in amber:

Replace the SEC-1 [1CE1] AMM 27-94-34-000-001 and AMM 27-94-34-400-001.

(a) If the fault continues:

Do a check and repair the wiring from the SEC 1 (1CE1) COM and MON to the terminal block (DSI 17) ASM 279227.

Subtask 27-96-00-810-058-A

I. During the operational test of the sidestick priority function, with the takeover and priority pushbutton switch pushed:

If the red arrow of the SIDE STICK PRIORITY F/O (CAPT) annunciator on panel 130VU (131VU) does not come on:

(1) Do the trouble shooting procedure (Ref. TSM TASK 27-95-00-810-834).

Subtask 27-96-00-710-051-A

J. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:28:25 UTC