(c)
If there is debonding at the end of the lightning arrester strips (structure side) so that they do not touch the structure:
-Immediately remove (Ref. TASK 53-15-11-000-001) and send the radome to a repair station for permanent repair.
-Install a new radome (Ref. TASK 53-15-11-400-001).
R (5) Do an inspection for black marks on the radome.
(a) If there are black marks on the radome, clean the surface area with CLEANING AGENTS (Material No. 11-001A).
(6) Do an inspection for perforations with or without damage to the honeycomb core. (Ref. Fig. 605/TASK 53-15-11-991-022)
(a) If the diameter is less than or equal to 50 mm (1.9685 in.), immediately do a temporary repair with adhesive tape (Ref. TASK 53-15-11-300-001). Do a permanent repair at the subsequent A-Check.
NOTE : Only one damage area is permitted.
____
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R Possible Types of Damage - Inner Face of the Radome Figure 605/TASK 53-15-11-991-022
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CES
(b) If the distance between the damage and the monolithic area is less than 200 mm (7.8740 in.): - Immediately remove (Ref. TASK 53-15-11-000-001) and send the radome to a repair station. - Install a new radome (Ref. TASK 53-15-11-400-001).
(7) Do an inspection for damage on the monolithic area (Zone B)
(a) If there is damage: - Immediately remove (Ref. TASK 53-15-11-000-001) and send the radome to a repair station. - Install a new radome (Ref. TASK 53-15-11-400-001).
Subtask 53-15-11-220-052
R R B. Inspection of the Inner Face for all Types of Radome (KEVLAR radome: P/N D5311047700001, P/N D5311047700002, P/N D5311047700003, P/N D5311047700004, P/N D5311047700005; QUARTZ radome: P/N D5311047700006, P/N D5311047700007, P/N D53132010000)
(1) Open the radome (Ref. TASK 53-15-11-010-001).
(2) Do an inspection for burn spots on the radome-to-structure junction. (Ref. Fig. 604/TASK 53-15-11-991-023)
(a) If there are burn spots on the screw-heads of the radome-to-structure junction, no procedure is immediately necessary. Do a permanent repair at the subsequent check.
R R R (b) If there are burn spots on the radome contact element (radome-to-structure junction), no procedure is immediately necessary. Do a permanent repair at the subsequent check.
(3) Do an inspection for scratches, gouges, nicks and peeling of the paint. (Ref. Fig. 605/TASK 53-15-11-991-022)
(a) If the diameter is less than or equal to 250 mm (9.8425 in.):
1_ If the area has one ply that has scratches, no procedure is necessary.
2_ If the area has two plies that have scratches:
a_ Immediately do a temporary repair with adhesive tape (Ref. TASK 53-15-11-300-001). Do a permanent repair at the subsequent A-Check.
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53-15-11Page 613
3 If the area has X plies that have scratches:
_
-Immediately remove (Ref. TASK 53-15-11-000-001) and send the
radome to a repair station.
-Install a new radome (Ref. TASK 53-15-11-400-001).
(b)
If the diameter is more than 250 mm (9.8425 in.):
-Immediately remove (Ref. TASK 53-15-11-000-001) and send the radome to a repair station.
-Install a new radome (Ref. TASK 53-15-11-400-001).
(c)
If the distance between the damage and the monolithic area is less than 200 mm (7.8740 in.):
-Immediately remove (Ref. TASK 53-15-11-000-001) and send the radome to a repair station.
-Install a new radome (Ref. TASK 53-15-11-400-001).
NOTE : Only one damage area is permitted.
____
(4) Do an inspection for delamination and debonding.
(a)
Do a tap test to get the delamination diameter (Ref. TASK 53-15-11-700-002).
(b)
If the diameter is less than or equal to 250 mm (9.8425 in.), no procedure is necessary. Do a permanent repair at the subsequent C-Check.
(c)
If the diameter is more than 250 mm (9.8425 in.):
-Immediately remove (Ref. TASK 53-15-11-000-001) and send the radome to a repair station before the subsequent C-Check.
-Install a new radome (Ref. TASK 53-15-11-400-001).
NOTE : Only one damage area is permitted.
____
(d) If the distance between the damage and the monolithic area is less than 200 mm (7.8740 in.):
-Immediately remove (Ref. TASK 53-15-11-000-001) and send the radome to a repair station.
-Install a new radome (Ref. TASK 53-15-11-400-001).
(5) Do an inspection for perforations with or without damage to the honeycomb core.
(a) If the diameter is less than or equal to 50 mm (1.9685 in.), immediately do a temporary repair with adhesive tape (Ref. TASK 53-15-11-300-001). Do a permanent repair at the subsequent A-Check.
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