- install the SEC 2 (Ref. AMM TASK 27-94-34-400-001).
c Remove the RLY- SEC 2 ANN SPLY (41CE2) (Ref. IPC 27920803).
_
- if the warning SEC 2 stays, install the RLY-SEC 2 ANN SPLY (41CE2) (Ref. IPC 27920803) and see Para. d_.
- if the warning SEC 2 goes off, replace the RLY-SEC 2 ANN SPLY (41CE2) (Ref. IPC 27920803).
- install the SEC 2 (Ref. AMM TASK 27-94-34-400-001).
R d_ Do a check and repair the wiring of the DSI 4/4 (SEC 2
R FAILED) signals from the FCDC1 (3CE1) and the FCDC2 (3CE2)
to the RLY-SEC 2 ANN SPLY (41CE2) (Ref. ASM 27-95/04) and
(Ref. ASM 27-95/05).
e Install the SEC 2 (Ref. AMM TASK 27-94-34-400-001).
_
(2) If the flight controls do not move according to the SEC2 servoing:
(a) Do a check of the wiring of the + 28VDC signal from the SEC 2 (1CE2) COM part and MON part to the first terminal block (Ref. ASM 27-92/04).
- if there is no continuity, repair the above wiring
- if there is continuity, see Para. (b).
(b) Do a check of the wiring of the 28VDC GND signal from the SEC 2 (1CE2) COM part and MON part to the first terminal block (Ref. ASM 27-92/04).
- if there is no continuity, repair the above wiring
- if there is continuity, see Para. (c).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞27-94-00∞∞∞∞∞∞∞∞∞∞Page A217
Feb 01/04 CES
(c) Do a check of the wiring of the SEC1 ENGAGED (DSI 01) signal from the SEC2 (1CE2) COM part and MON part to the first terminal block (Ref. ASM 27-92/04).
- if there is no continuity, repair the above wiring
- if there is continuity, see Para. (d).
(d) Do a check of the wiring from the pushbutton switch (5CE2), pin A/C1 and pin A/C3 to the first terminal block (Ref. ASM 27-92/04).
- if there is no continuity, repair the above wiring
- if there is continuity, see Para. (e).
(e) Replace the P/BSW-FLT CTL/SEC 2 (5CE2) (Ref. IPC 27920802).
(f) If the fault continues:
1_ Do a check of the wiring of the SEC DISCONNECTED IN THE RACK
(DSI 12 and DSI 28) signals from the SEC2 (1CE2) COM part and
MON part to the ground terminal (Ref. ASM 27-92/40).
- if there is no continuity, repair the above wiring.
- if there is continuity, see Para. 2_.
2_ Do a check of the wiring of the PIN PROGRAM SEC2 (DSI 08)
signal from the SEC2 (1CE2) COM part and MON part to the
ground terminal (Ref. ASM 27-92/40).
- if there is no continuity, repair the above wiring.
- if there is continuity, see Para. 3_.
3_ Do a check and repair the wiring of the DGO 03 signal from the
SEC2 (1CE2) COM part to MON part and MON part to COM part
(Ref. ASM 27-92/54).
B. Do the test given in Para. 3.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞27-94-00∞∞∞∞∞∞∞∞∞∞Page A218
Feb 01/03R
CES Loss of the BUS 3 Signal for the SEC 2
1. Possible Causes
_______________
- SEC-2 (1CE2)
- wiring of the DGO3 signal from the SEC 2 (1CE2) MON part to the COM part
- wiring of the DGO3 signal from the SEC 2 (1CE2) COM part to the MON part
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 27-94-34-000-001 Removal of the SEC (1CE1,1CE2,1CE3)
AMM 27-94-34-400-001 Installation of the SEC (1CE1,1CE2,1CE3)
AMM 27-96-00-740-001 BITE Test of the EFCS (Ground Scanning)
ASM 27-92/54
3. Fault Confirmation
__________________
A. Test
(1) Do the BITE test of the EFCS (ground scanning) (Ref. AMM TASK 27-96-00-740-001).
4. Fault Isolation
_______________
A. If the BITE test gives the maintenance message:
SEC2 MON BUS3
or
SEC2 COM BUS3
- replace the SEC-2 (1CE2) (Ref. AMM TASK 27-94-34-000-001) and (Ref. AMM TASK 27-94-34-400-001).
(1) If the fault continues:
- do a check and repair the wiring of the DGO3 signal from the SEC 2 (1CE2) MON part to the COM part if the maintenance message is SEC 2 MON BUS 3 (Ref. ASM 27-92/54) or
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