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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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03/17/21

Message Overview

Message Name:

NO OUTPUT

Message Code:

B3-006269

Associated CAS:

None

Reporting LRU: ADC 1
System Description: 34-13-00
Schematic Diagram: 34-13-00
Wiring Diagram: 34-13-01
34-13-05

Message Description:

No L-ADC data received at the L-IOC and 3-of (AHC1, MFD2, PFD2, MFD1, PFD1, SPC-A).

Possible Causes:

  • Left Air Data Compute (ADC) (A1)
  • Reversion Select Panel (PL27)
  • Left Secondary Power Center (SPC) (A37) Relay (K131)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the Secondary Power Center (SPC) AMM 24-62-01-000-801
Installation of the Secondary Power Center (SPC) AMM 24-62-01-400-801
Removal of the Secondary Power-Center (SPC) Relays AMM 24-62-04-000-801
Installation of the Secondary Power-Center (SPC) Relays AMM 24-62-04-400-801
Removal of the Reversion Select Panel AMM 31-61-13-000-801
Installation of the Reversion Select Panel AMM 31-61-13-400-801
Removal of the Air Data Computer AMM 34-13-01-000-801
Installation of the Air Data Computer AMM 34-13-01-400-801
Standard Practices - Replace Wiring SPM 20-12-00-02
Standard Practices - Wire Repair SPM 20-12-10-02

Troubleshooting Recommendations:

  1. Reset AIR DATA 1 (CB1-C1) circuit breaker.

    1. If system check passes, do close out.
    2. If fault remains, continue with next step.

  2. Confirm AIR DATA Switch (Reversion Select Panel) and Relay K131 (Left Secondary Power Center) are operating as per drawing [presence of 28 VDC / Grounds at Left ADC connector A1P10]. Repair/replace as required.

    1. If system check passes, do close out.
    2. If fault remains, continue with next step.

  3. Replace Left ADC.
  4. Do close out.

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