A. This paragraph is only applicable for flow control valves with the part numbers which follow: P/N 751A0000-07 Amendment ABC, P/N 751A0000-07 Amendment BC and, P/N 751B0000-02 Amendment AB.
 On the MCDU at the AIDS ALPHA CALL-UP page:
 - if the POS VALUE indication 1: does not agree with the flow indication parameters:

 - replace the Flow-Control Valve Filter (Ref. AMM TASK 21-51-51-600-001).

 (1) If the fault continues:
 - replace the SENSOR-PRESSURE (10HB) (Ref. AMM TASK 21-51-11-000-001) and (Ref. AMM TASK 21-51-11-400-001).
 「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 ∞∞21-51-00∞∞∞∞∞∞∞∞∞∞Page 224
 Aug 01/05 CES

 (2) If the fault continues:

 - replace the VALVE-FLOW CTL (11HB) (Ref. AMM TASK 21-51-51-000-001) and (Ref. AMM TASK 21-51-51-400-001).

 (3) If the fault continues:

 - do a check and repair the wiring between the:

 - FCV connector (8HB-A) pin C and the PC connector (7HH-AA) pin B7. (Ref. ASM 2151S01).

 (4) If the fault continues:

 - replace the VALVE-FLOW CTL (8HB) (Ref. AMM TASK 21-51-51-000-001) and (Ref. AMM TASK 21-51-51-400-001).
 **ON A/C 004-049, 055-060, 101-101,
 A. On the MCDU at the AIDS ALPHA CALL-UP page if the POS VALUE indication 1: does not agree with the flow indication parameters:
 - replace the SENSOR-PRESSURE (10HB) (Ref. AMM TASK 21-51-11-000-001) and (Ref. AMM TASK 21-51-11-400-001).
 (1) If the fault continues:

 - replace the VALVE-FLOW CTL (11HB) (Ref. AMM TASK 21-51-51-000-001) and (Ref. AMM TASK 21-51-51-400-001).

 (2) If the fault continues:

 - do a check and repair the wiring (Ref. ASM 21-51/01) from:

 - FCV connector (8HB-A) pin D and the PC connector (7HH-AA) pin B7.

 (3) If the fault continues:

 - do the inspection of the delta P sense lines (Ref. AMM TASK 21-51-00-200-001).

 (4) If the fault continues:

 - replace the VALVE-FLOW CTL (8HB) (Ref. AMM TASK 21-51-51-000-001) and (Ref. AMM TASK 21-51-51-400-001).
R **ON A/C 061-099, 102-149, 151-199, 201-299, 301-399,
 A. On the MCDU at the AIDS ALPHA CALL-UP page:
 - if the POS VALUE indication 1: does not agree with the flow indication parameters:

 - make sure that the torque of the sense line connectors at the flow control valve and related sensor is correct. (Ref. AMM TASK 21-51-11-400-001) and (Ref. AMM TASK 21-51-51-400-001).

 (1) If the fault continues:
 - replace the SENSOR-PRESSURE (10HB) (Ref. AMM TASK 21-51-11-000-001) and (Ref. AMM TASK 21-51-11-400-001).
 「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 : 001-049, 051-099, 101-149, 151-199, ∞∞21-51-00∞∞∞∞∞∞∞∞∞∞Page 225
 201-299, 301-399, Aug 01/05 CES

 (2) If the fault continues:

 - replace the VALVE-FLOW CTL (11HB) (Ref. AMM TASK 21-51-51-000-001) and (Ref. AMM TASK 21-51-51-400-001).

 (3) If the fault continues:

 - do a check and repair the wiring between the:

 - FCV connector (8HB-A) pin C and the PC connector (7HH-AA) pin B7. (Ref. ASM 2151S01).

 (4) If the fault continues:

 - replace the VALVE-FLOW CTL (8HB) (Ref. AMM TASK 21-51-51-000-001) and (Ref. AMM TASK 21-51-51-400-001).
R **ON A/C 401-499,
 A. On the MCDU at the AIDS ALPHA CALL-UP page:
 - if the POS VALUE indication 1: does not agree with the flow indication parameters:
 (1) If the fault continues:

 - replace the FLOW CTL UNIT - PACK 1 (23HB) (Ref. AMM TASK 21-51-51-000-001) and (Ref. AMM TASK 21-51-51-400-001).

 (2) If the fault continues:

 - replace the FLOW CTL UNIT - PACK 2 (24HB) (Ref. AMM TASK 21-51-51-000-001) and (Ref. AMM TASK 21-51-51-400-001).
 **ON A/C ALL
 B. Do the test as given in the Para. 3.E.
 5. Close-up
________
 A. Stop the engines (Ref. AMM TASK 71-00-00-710-028).

 TASK 21-51-00-810-808

 FCV 2 (FCU 2) Regulation/Indication Fault
 1. Possible Causes
_______________
 - SENSOR-PRESSURE (9HB)

 - VALVE-FLOW CTL (8HB)

 - VALVE-FLOW CTL (11HB) R - FLOW CTL UNIT - PACK 1 (23HB) R - FLOW CTL UNIT - PACK 2 (24HB)
 - Flow-Control Valve Filter

 - wiring

 - sense lines connectors
　
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