LIGHTNING DIVERTER STRIPS - REPAIRS
1. General
A. This procedure has one task:
CAUTION
DO NOT OPERATE THE AIRPLANE FOR LONG PERIODS OF TIME WITH
MISSING, OR DAMAGED DIVERTER STRIPS. REPAIR THE DIVERTER
STRIPS QUICKLY. THE RISK OF DAMAGE TO THE RADOME, AND OTHER
EQUIPMENT FROM LIGHTNING STRIKES INCREASES WHILE THERE
ARE MISSING, OR DAMAGED STRIPS.
(1) A temporary repair of the Lighting Diverter Strips.
(2) Because of the possible effects on the ILS antenna pattern, the number of missing or damaged
strips must be at a minimum and missing/removed in a symmetrical pattern. It is possible to
remove strips on BL 0 independently.
(3) The number of diverter strips missing/damaged must not be more than 40% of the total
number of diverter strips. (For example, on radomes with 6 diverter strips, there must be no
more than 2 diverter strips in symmetrical pairs missing or damaged at one time. Radomes
with 10 diverter strips there must be no more than 4 diverter strips in symmetrical pairs missing
or damaged.)
(4) Sections of diverter strips not connected to the grounding plate can cause interference with
communications equipment.
TASK 53-52-03-300-801
2. Lightning Diverter Strip Temporary Repair
A. References
Reference Title
53-52-03-000-801 Remove the Lightning Diverter Strips (P/B 201)
B. Consumable Materials
Reference Description Specification
G50012 [P05-278] Tape - Protective Polyurethane - 3M 8672
G50361 Tape - Mylar, Permacel P-280
G50362 Tape - 3M Polyester Tape 853 (Formerly 3M
No. 853 Tape)
C. Location Zones
Zone Area
111 Radome
D. Procedure
SUBTASK 53-52-03-350-001
(1) For damaged diverter strips:
(a) Remove all loose pieces of the lightning diverter strip, (Remove the Lightning Diverter
Strips, TASK 53-52-03-000-801).
(b) Make sure that the remaining section of the damaged strip is safely held.
(c) Make sure that the ground plate is not damaged.
(d) Make sure that there is a continuous connection with the remaining section of the
damaged strip and the ground plate.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
53-52-03
Page 801
D633A101-ILF Jun 15/2018
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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