R (4) If the fault continues:
R - replace the CONT-AIR COND SYSTEM 2 (57HH) (Ref. AMM TASK 21-61-34-R 000-002) and (Ref. AMM TASK 21-61-34-400-002).

R (5) If the fault continues:
R - do a check of the position of the manual override lever of the pack
R 2 anti-ice valve (37HH).

R (a) If the valve is not closed:
R - disconnect the electrical connector (37HHA) (Ref. AMM TASK 21-
61-41-000-001). R - do a check for 28 VDC at the electrical connector (37HHA) R between pins A and B (Ref. ASM 21-61/02).
R 1_ If the voltage is correct:
R - replace the VALVE-ANTI-ICE (37HH) (Ref. AMM TASK 21-61-41-R 000-001) and (Ref. AMM TASK 21-61-41-400-001).

R 2_ If the voltage is not correct:
R - do a check and repair the wiring (Ref. ASM 2161S02) from:
R - the VALVE (37HH)A pin A to the ACSC2 (57HH) and,
R - the VALVE (37HH) to ground.

R (6) If the fault continues:

R (a) Do a check of the reheater (11HM3) for contamination (Ref. AMM TASK 21-52-00-780-001).
R NOTE : This sub-paragraph (7) is only applicable to reheaters
____ R with the P/N 755A0000-04 and previous. R It is not applicable to reheaters with the P/NIs R 755A0000-04 Amendment A or subsequent.
R (b) If the reheater is clogged: R - do the cleaning of the clogged reheater (11HM3) (Ref. AMM TASK 21-52-00-100-002),
R (7) If the fault continues: R - do the cleaning of the clogged condenser (11HM2) (Ref. AMM TASK 21-52-00-100-003),
R (8) If the fault continues:
R - do a check of the position of the manual override lever of the pack
R 2 flow control-system (24HB).

R (a) If the valve is not fully open:
R - replace the FLOW CONTROL SYSTEM (24HB) (Ref. AMM TASK 21-51-51-R 000-001) and (Ref. AMM TASK 21-51-51-400-001).

 「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 : 401-499, ∞∞21-61-00∞∞∞∞∞∞∞∞∞∞Page A250
 Aug 01/05 CES

R (9) If the fault continues:
R - do a check of the water drain line between the extractor (11HM8)
R and the injector (21HM) and the injector nozzle (21HM) for
R contamination and clean it if necessary (Ref. AMM TASK 21-52-16-R 000-001), (Ref. AMM TASK 21-52-16-400-001), (Ref. AMM TASK 21-52-R 42-000-001) and (Ref. AMM TASK 21-52-42-400-001).

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,

 E. If you cannot confirm this fault on the ground, but during the last flight a high PDT 2 (above 10 Deg.C) was reported:
 - replace the SENSOR-PACK INLET PRESSURE (36HH) (Ref. AMM TASK 21-61-16-000-001) and (Ref. AMM TASK 21-61-16-400-002).
 (1) If the fault continues:
 - do a check for a ground signal at the PC 2 (27HH) connector AA/9B (Ref. ASM 21-61/01).
 (a) If there is no ground signal:
 - do a check and repair the wiring if necessary between: PC 2 (27HH) connector AA/9B and LGCIU 2 (5GA2) connector AB/3J (Ref. ASM 21-61/01).
 1 If the fault continues:
_
 - do the BITE test of the landing gear (Ref. AMM TASK 32-69-00-740-001).
 (b) If the test gives a different maintenance message refer to the Fault Symptom List.

 (c) If there is a ground signal:

 - replace the CONTROLLER-PACK 2 TEMP (27HH) (Ref. AMM TASK 21-61-34-000-001) and (Ref. AMM TASK 21-61-34-400-001).
R **ON A/C 401-499,
 E. If you cannot confirm this fault on the ground, but during the last flight a high PDT 2 (above 10 Deg.C) was reported:
 - replace the SENSOR-PRESS, PACK 2 INLET (24HB1) (Ref. AMM TASK 21-51-13-000-001) and (Ref. AMM TASK 21-51-13-400-001).
 (1) If the fault continues:
 - do a check for a ground signal at the ACSC2 (57HH) connector AB/2H (Ref. ASM 21-61/01).
 (a) If there is no ground signal:
 - do a check and repair the wiring if necessary between: ACSC2 (57HH) connector AB/2H and LGCIU 2 (5GA2) connector AB/3J (Ref. ASM 21-61/01).
 「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 ∞∞21-61-00∞∞∞∞∞∞∞∞∞∞Page A251
 Aug 01/05 CES a If the test gives a different maintenance message refer to

 1_ If the fault continues:
 - do the BITE test of the landing gear (Ref. AMM TASK 32-69-
00-740-001).

_ the Fault Symptom List.
 (b) If there is a ground signal:
 - replace the CONT-AIR COND SYSTEM 2 (57HH) (Ref. AMM TASK 21-61-34-000-002) and (Ref. AMM TASK 21-61-34-400-002).
 **ON A/C ALL
 F. Do the test as given in the Para. 3.A.
 5. Close-up
________
 A. Put the aircraft back to its initial configuration.
　
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