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(WARNING)
RED MESSAGE (CAUTION)
AMBER MESSAGE (ADVISORY)
CYAN MESSAGE (STATUS)
WHITE MESSAGE Require immediate crew attention. These messages are accompanied by flashing master warning, triple chime attenson with or without voice message or dedicated tone. Require immediate crew awareness and future crew action may be required in the form of alternate system selection or performance limitation. These message are accompanied by flashing master caution and a single chime. Indicate safe or normal system operation which require crew awareness, over and above the dark cockpit philosophy. Indicate minor failures or reduction in systems capability, which require no crew action.

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02/23/21

Message Overview:

Message Name:

INT GAIN -TP/PORT HG ANT

Message Code:

B3-007983

Associated CAS:

None

Reporting LRU: SAT 2X00
System Description: 23-15-00
Schematic Diagram: None
Wiring Diagram: None

Message Description:

VSWR Fault by HPA or top port BSU indicates high gain antenna (HGA) failure.

Possible Causes:

  • High Gain Antenna (HGA)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Fault Confirmation Procedure:

  1. Message# = 12
  2. Comp Id = A082
  3. Fault Logged = AIR,TAXI
  4. Status = FAILED/WIRING
  5. {Term Definitions}

    1. SRT1-6 XX 350 00 EXCT XXXX-XXXX XXXT-XXXX XXXX-XXXX 350: 21;INTER GAIN OR T/P ANTENNA

Quick Links:

Standard Practices - Replace Wiring SPM 20-12-00-02
Standard Practices - Wire Repair SPM 20-12-10-02

Troubleshooting Recommendations:

  1. VSWR Fault by HPA or top port BSU indicates HGA failure.

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