(2) Make sure that the L(R) TK PUMPS 1 P/BSW 13QA(14QA) shows OFF (released out).
(3) Before you do more steps, make sure that the wing area adjacent to the left outer fuel pump 21QA (right inner fuel pump 22QA) fairings and cover are not contaminated with fuel from a fuel leak or spillage.
(a) If necessary:
1 Repair all the leaks:
_
- (Ref. AMM TASK 51-76-12-300-001)
- (Ref. AMM TASK 51-76-12-300-002)
- (Ref. SIL 57-0086).
2 Clean the area of the fuel spillage.
_
(4) Remove all the fuel pump 21QA(22QA) fairings (Ref. AMM TASK 28-21-49-000-001) and cover assembly (Ref. AMM TASK 28-21-51-000-001).
(5) Disconnect the supply cable end connector 21QA-A(22QA-A) from the fuel pump receptacle.
(6) Clean and dry:
- all the fuel pump fairings
- the fuel pump cover assembly
- the fuel pump supply cable and the related end connector
- the aircraft wing structure adjacent to the route of the supply cable across the wing surface
- the aircraft wing structure at the rear spar, adjacent to the landing light, where the fuel pump supply cable leaves the conduit and passes through the cable guide (bottom skin).
(7) Make sure that good lighting is available. Do a visual inspection and look for distortion (pinched or stretched), damage (chafed or cut), discoloration, overheating (burnt/melted or arcing) liquid contamination or incorrect assembly, of the items that follow:
- the electrical receptacle
- the supply cable end connector 21QA-A(22QA-A)
- the supply cable
- the cable guide
- the fuel pump fairings
- the aircraft wing structure adjacent to the route of the supply cable (across the wing surface and at the rear spar)
- junction box (bracket assembly) on the rear spar.
NOTE : Incorrect installation of the fuel pump fairings can damage
____ the supply cable. This can cause electrical arcing and damage to the aircraft structure.
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May 01/04R CES
(8) If any damage (electrical wiring, fairing or structural) is found, tell AIRBUS within 10 days.
(9) If the aircraft structure is damaged, refer to Skins and Plating -Allowable Damage, P. Block 101 (Ref. ASRM 57-21-11).
(10) If necessary, replace the damaged fairings with serviceable items.
(11) If the fuel pump supply cable between the connector 21QA-A(22QA-A) and the related junction box (bracket assembly) on the rear spar is seen to be damaged, repair as follows:
CAUTION : DO NOT USE IN-LINE SPLICES TO REPAIR SECTIONS OF ELECTRICAL
_______ CABLE THAT ARE BEHIND A FAIRING OR IN A CONDUIT. THIS WILL MAKE SURE THAT IT IS POSSIBLE TO SEE THE REPAIR FOR AN INSPECTION (REF. ESPM 20-53-29).
(a) If necessary, replace the unserviceable:
- protective sleeve
- wire(s)
- connector.
(b) Connect the new wire(s) of the fuel pump supply cable where the wiring passes through the junction box (bracket assembly), by a splice(s) (Ref. ESPM 20-53-21).
(c) Make sure that the length of the new supply cable when assembled, between the front face of the connector 21QA-A(22QA-A) and the forward face of the cable guide (that shows outside the wing-skin) is: - 1345 mm (52.95 in) for the left (outer) wing tank pump No. 1 -
21QA
- (1320 mm (51.97 in) for the right (inner) wing tank pump No. 1
- 22QA).
(d) If necessary, make any final adjustment in the length of the supply cable across the lower surface of the wing during the installation of the rear fairing.
(e) Feed the surplus cable (small amount only) into the flexible conduit to the junction box (bracket assembly) on the rear spar.
(f) Make sure that the supply cable is held tight by the P-clip at the cable guide.
NOTE : It is important that the fuel pump supply cable is
____ installed correctly as given in steps (b) thru (f). Incorrect installation of the cable can cause it to get damaged. If the cable is too short it will put tension on the wires and plug. If the cable is too long you will not be able to install the fairings correctly. This is because the unwanted cable (excess length) will become looped and
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