C. Examine the Static Dischargers
S 212-033
(1) Do the tests that follow:
(a)
Visually examine all dischargers to make sure they are there and installed correctly on the mounting retainer. 1) Also make sure they are not broken.
(b)
Examine the dischargers for damage as shown by a burned and roughened coating. 1) Also look for pitted metal discharger retainers.
(c)
Examine the dischargers for broken, bent, or blunted tungsten pins. 1) Straighten any bent pins.
(d)
Look for erosion of the discharger coating or peeling of the tip cup. 1) The leading edge erosion of the discharger must not extend
behind more than 1/3 of the width of the discharger.
S 762-014
(2) Do a resistance test if there is a damaged static discharger (AMM 23-61-00/601).
D. Airplane Internal Test
S 212-015
(1) If a lightning strike caused a system malfunction, do a full test of the defective system.
(a) Use the applicable maintenance manual section for that system.
S 732-016
(2)
Do a check of the standby compass system only if the flight crew found a very large compass deviation (AMM 34-24-00/201).
S 212-032
(3)
Make sure that the fuel quantity system is accurate.
(a) Do the operational test for the FQIS type on your airplane:
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05-51-27
ALL ú ú 03 Page 206 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
~......................................................... | AMM Ref | FQIS Type | ........................................................... | 28-41-00/501 | Analog (Simmonds) | | 28-41-01/501 | Smith Digital (2100 Series) | | 28-41-02/501 | Simmonds Digital | | 28-41-03/501 | Smiths Sunburst (2300 Series) | 2......................…..................................1
(b) Do the fuel measuring stick comparison test for the FQIS type
on your airplane: ~......................................................... | AMM Ref | FQIS Type | ........................................................... | 28-41-00/601 | Analog (Simmonds) | ........................................................... | 28-41-01/601 | Smith Digital (2100 Series) | ........................................................... | 28-41-02/601 | Simmonds Digital | ........................................................... | 28-41-03/601 | Smiths Sunburst (2300 Series) | 2......................…..................................1
TASK 05-51-27-212-017
3. Inspection and Operational Check of Radio and Navigation Systems
________________________________________________________________
A. General
(1)
The radio and navigation systems must have a full inspection after the airplane has been hit by lightning.
(a) The inspection is also necessary after heavy static discharges.
(2)
The level of the inspections and operation tests come from flight crew information and the airplane conditions during and after the incident.
NOTE: It is not necessary to examine the coaxial cables and the
____
connectors if the:
-Radio system had no problems during and after the incident.
-Operational checks were done and no problems were found.
B. References
(1)
AMM 20-10-72/201, Coaxial Cables
(2)
AMM 23-11-00/501 or AMM 23-11-01/501, HF Communications System
(3)
AMM 23-21-00/001, VHF Communications System
(4)
AMM 34-30-00/001 and/or AMM 34-31-00/501, VOR/ILS System
(5)
AMM 34-31-02/501, VOR/ILS System
(6)
AMM 34-35-00/501, Marker Beacon System
(7)
AMM 34-41-02/501, Weather Radar System
(8)
AMM 34-48-01/501, Radio Altimeter System
(9)
AMM 34-53-02/501, ATC System
(10)
AMM 34-55-02/501, DME System
(11)
AMM 34-57-01/501, Automatic Direction Finder (ADF) System
(12)
AMM 53-52-00/601, Nose Radome
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