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 --May 01/04R ---CES -

 Leak Detection from the Loop A in the Right Wing
 1. Possible Causes
_______________
 -BMC-1 (1HA1)
 -CABLE-CONNECTING, R WING LOOP A (37HF)
 -
SNSG ELEM-OVHT, R WING LOOP A (80HF)

 -
SNSG ELEM-OVHT, R WING LOOP A (38HF)

 -
SNSG ELEM-OVHT, R WING LOOP A (39HF)

 -
CABLE-CONNECTING, R WING LOOP A (40HF)

 -
CABLE-CONNECTING, R WING LOOP A (41HF)

 -
SNSG ELEM-OVHT, R WING LOOP A (42HF)

 -
SNSG ELEM-OVHT, R WING LOOP A (43HF)

 -
SNSG ELEM-OVHT, R WING LOOP A (44HF)

 -
SNSG ELEM-OVHT, R WING LOOP A (45HF)

 -
ELEMENT-OVERHEAT SENSING (74HF)

 -
ELEMENT-OVERHEAT SENSING (47HF)

 -CABLE-CONNECTING LOOP B R WING (48HF)
 -wiring
 -duct
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
9240SI  1 LOOP CONTROLLER
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R  AMM 36-11-00-720-004 Leak Check of Engine Bleed Air Supply System AMM 36-11-00-740-001 BITE Test of the BMC 1(2) AMM 36-11-34-000-001 Removal of the BMC (1HA1, 1HA2) AMM 36-11-34-400-001 Installation of the BMC (1HA1, 1HA2) AMM 36-22-00-790-001 Leak Check on all the Bleed Air Ducts AMM 36-22-16-000-001 Removal of the Overheat Sensing Elements
 29HF(45HF),56HF(72HF),81HF(80HF),83HF (82HF)
 AMM 36-22-16-000-002 Removal of the Cables 21HF(37HF),77HF(64HF)
 AMM 36-22-16-000-003 Removal of the Cables 24HF(40HF),51HF(67HF)
 AMM 36-22-16-000-004 Removal of the Overheat Sensing Elements

 26HF(42HF),53HF(69HF)
 AMM 36-22-16-000-005 Removal of the Overheat Sensing Elements
 27HF(43HF),50HF(66HF),23HF(39HF),54HF (70HF)

 1 -EFF : ALL

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 --Aug 01/05 ---CES - -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------

AMM  36-22-16-000-006  Removal of the Overheat Sensing Elements
 28HF(44HF),49HF(65HF),55HF(71HF), 22HF(38HF)
 AMM  36-22-16-000-007  Removal of the Cables 25HF(41HF),52HF(68HF)
 AMM  36-22-16-400-001  Installation of the Overheat Sensing Elements
 29HF(45HF),56HF(72HF),81HF(80HF), 83HF(82HF)
 AMM  36-22-16-400-002  Installation of the Cables 21HF(37HF),77HF(64HF)
 AMM  36-22-16-400-003  Installation of the Cables 24HF(40HF),51HF(67HF)
 AMM  36-22-16-400-004  Installation of the Overheat Sensing Elements
 26HF(42HF),53HF(69HF)
 AMM  36-22-16-400-005  Installation of the Overheat Sensing Elements
 27HF(43HF),50HF(66HF),23HF(39HF), 54HF(70HF)
 AMM  36-22-16-400-007  Installation of the Overheat Sensing Elements
 28HF(44HF),49HF(65HF),55HF(71HF), 22HF(38HF)
 AMM  36-22-16-400-008  Installation of the Cables 25HF(41HF),52HF(68HF)
 AMM  36-22-18-000-001  Removal of the Fuselage Overheat Sensing-Elements
 (Loop A and B)
 AMM  36-22-18-400-001  Installation of the Fuselage Overheat
 Sensing-Elements (Loop A and B)
 ASM  36-22/01

 3. Fault Confirmation
__________________
 A. Test
 NOTE : The overheat detection threshold is between 117 and 131 degrees
____ Celsius. An overheat detection by one loop can occur in these conditions:
 -high Outside Air Temperature (OAT),
 -ECS supplied with hot bleed air. In these conditions, the ambient air around the sensing elements can increase to the detection threshold but there is not an air leak. If there is an air leak, there will be an AIR L(R) WING LEAK warning on the ECAM. No other maintenance action is necessary if:
 -
the overheat detection was by one loop only with high OAT and ECS supplied with hot bleed air,

 -
the result of the BMC BITE test is TEST OK.

 (1) Do the BITE test of the BMC1 (Ref. AMM TASK 36-11-00-740-001).
　
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