05-51-19
ú ALL ú
ú ú ú 05.101 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. Page 210Sep 28/02
A
757 MAINTENANCE MANUAL
S 732-016
(2)
Do a check of the standby compass system only if the flight crew reported a very large compass deviation (AMM 34-23-00).
S 212-032
(3)
Make sure that the fuel quantity system is accurate.
(a) Do this procedure: Fuel quantity BITE Procedure (FIM 28-41-00/101). 1) Repair any problems shown by the BITE test.
TASK 05-51-19-212-017
4. Operational Checks of Radio and Navigation Systems__________________________________________________
A. General
(1) The level of the checks after a lightning strike to the airplane is determined by flight crew information and the airplane condition after the incident. For example, if all the NAV/COM systems are exercised by the flight crew in flight after the lightning strike and no anomalies are found, then checks to the exercised systems would not normally be required. For systems not exercised by the flight crew in flight or systems where anomalies were found, additional checks to that system may be required. In addition, even if a system were exercised in flight after the lightning strike and no anomalies were found, but subsequent inspections showed lightning damage near that system antenna, addition checks of that system may be required.
B. References
(1)
AMM 20-10-32/201, Coaxial Cable
(2)
AMM 23-11-00/501, HF Communications System
(3)
AMM 23-12-00/501, VHF Communications System
(4)
AMM 34-31-00/501, ILS Navigation System
(5)
AMM 34-32-00/501, Marker Beacon System
(6)
AMM 34-33-00/501, Radio Altimeter System
(7)
AMM 34-43-00/501, Weather Radar System
(8)
AMM 34-51-00/501, VOR System
(9)
AMM 34-53-00/501, ATC System
(10)
AMM 34-55-00/501, DME System
(11)
AMM 34-57-00/501, Automatic Direction Finder (ADF) System
(12)
AMM 34-45-00/501, TCAS System
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05-51-19
ú ALL ú
ú ú ú 05.101 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. Page 211Sep 28/02
A
757 MAINTENANCE MANUAL
C. Radio and Navigation System Operational Checks
S 712-040
(1) Do an operational test for each of these systems (if installed) that you did not operate after the lightning strike, or the flight crew reported a problem after the lightning strike, or if there was damage found near the system antenna.
(a)
HF Communications System (if installed) (AMM 23-11-00/501)
(b)
VHF Communications System (AMM 23-11-00/501)
(c)
ILS Navigation System (AMM 34-31-00/501)
(d)
Marker Beacon System (AMM 34-32-00)
(e)
Radio Altimeter System (AMM 34-33-00/501)
(f)
Weather Radar System (AMM 34-43-00/501)
(g)
VOR System (AMM 34-51-00/501)
(h)
ATC System (AMM 34-53-00/501)
(i)
DME System (AMM 34-55-00/501)
(j)
Automatic Direction Finder (ADF) System (AMM 34-57-00/501)
(k)
TCAS System (if installed) (AMM 34-45-00/501)
(l)
Airborne Telephone (if installed)
(m)
Autopilot (AMM 05-51-19/201).
D. Coaxial Cable Check
S 212-031
(1) If one or more of the previous systems have problems with their operational checks, examine and do a test of the coaxial cables and connectors (AMM 20-10-32/201).
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