28VDC (LOGIC) LS6, LS11, LS12, LS13, LS14, LS15, T1, T2, LOGIC 1, and 2.
There is a FLSCU level sense (LS) channel to FLSS sensor FIN cross reference in step (23).
-----------------------------------------------------------------------------| LRU/SUPPLY | FLSCU-1 | FLSCU-2 | IF NO | IF FAILS BOTH | | | CONNECTOR | CONNECTOR | 28VDC GO | TESTS MARKED *| | | AND PIN | AND PIN | TO STEP | GO TO STEP | |------------------------|-----------|-----------|------------|---------------| | FLSCU-1 28VDC (LOW-A) | AA-1A | | (11) | | | FLSCU-1 28VDC (LOW-B) | AA-1C | | (12) | | | FLSCU-1 28VDC (HIGH) | AA-1B * | | (13) | (19) | | FLSCU-1 28VDC (LOGIC) | AA-1D | | (14) | | | | | | | | | FLSCU-2 28VDC (LOW-A) | | AA-1A | (15) | | | FLSCU-2 28VDC (LOW-B) | | AA-1C | (16) | | | FLSCU-2 28VDC (HIGH) | | AA-1B * | (17) | (19) | | FLSCU-2 28VDC (LOGIC) | | AA-1D | (18) | | -----------------------------------------------------------------------------
(11) Do a check of the aircraft wiring (Ref. AWM 28-46-13) between the FLSCU-1 rack connector AA, pin 1A and the C/B-FUEL/AFT LOW LVL/& OVFL/WING L (43QJ).
(a) Repair all the unserviceable wiring and connectors.
(b) Do the test given in Para. 3.B.
(12) Do a check of the aircraft wiring (Ref. AWM 28-46-13) between the FLSCU-1 rack connector AA, pin 1C and the C/B-FUEL/FWD LOW LVL/WING/L (45QJ).
(a) Repair all the unserviceable wiring and connectors.
(b) Do the test given in Para. 3.B.
(13) Do a check of the aircraft wiring (Ref. AWM 28-46-01) between the FLSCU-1 rack connector AA, pin 1B and the terminal block 202VT, terminal 1S.
(a) Repair all the unserviceable wiring and connectors.
(b) Do the test given in Para. 3.B.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 301-399, ∞∞28-46-00∞∞∞∞∞∞∞∞∞∞Page A239
May 01/05 CES
(14) Do a check of the aircraft wiring (Ref. AWM 28-26-03) between the FLSCU-1 rack connector AA, pin 1D and the C/B-FUEL/CTR TK/L & R XFR/CTL & IND (1QL).
(a) Repair all the unserviceable wiring and connectors.
(b) Do the test given in Para. 3.B.
(15) Do a check of the aircraft wiring (Ref. AWM 28-46-13) between the FLSCU-2 rack connector AA, pin 1A and the C/B-FUEL/AFT LOW LVL/& OVFL/WING R (44QJ).
(a) Repair all the unserviceable wiring and connectors.
(b) Do the test given in Para. 3.B.
(16) Do a check of the aircraft wiring (Ref. AWM 28-46-13) between the FLSCU-2 rack connector AA, pin 1C and the C/B-FUEL/FWD LOW LVL/WING/R (46QJ).
(a) Repair all the unserviceable wiring and connectors.
(b) Do the test given in Para. 3.B.
(17) Do a check of the aircraft wiring (Ref. AWM 28-46-01) between the FLSCU-2 rack connector AA, pin 1B and the terminal block 202VT, terminal 1U.
(a) Repair all the unserviceable wiring and connectors.
(b) Do the test given in Para. 3.B.
(18) Do a check (Ref. AWM 28-26-03) of the aircraft wiring between the FLSCU-2 rack connector AA, pin 1D and the C/B-FUEL/CTR TK/L & R XFR/CTL & IND (2QL).
(a) Repair all the unserviceable wiring and connectors.
(b) Do the test given in Para. 3.B.
(19) Do a check of the aircraft wiring (Ref. AWM 28-46-01) between the C/B FUEL/HI/LVL/SPLY (1QJ) and the terminal block 202VT, terminal 1T.
(a) Repair all the unserviceable wiring and connectors.
(b) Do the test given in Para. 3.B.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 301-399, ∞∞28-46-00∞∞∞∞∞∞∞∞∞∞Page A240
May 01/05 CES
(20) Do a check of the aircraft wiring (Ref. AWM 28-46-06) between the FLSCU-1(2) rack connector AA, pin 6D, and the DC2 ground/earth point (614VG) (STD2/A321 identify line) .
NOTE : The level sense channel 8 (LS8) of FLSCU-1(2) is only used on
____ STD2/A321 aircraft. The ground/earth supplied by this line enables channel 8.
(a) Repair all the unserviceable wiring and connectors.
(b) Do the test given in Para. 3.B. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320 Trouble Shooting Manual 排故手册 FUEL 燃油4(94)
