Message Name:

NO OUTPUT

Message Code:

B3-007196

Associated CAS:

None

Right MFD data buses are reported absent by Right IOC and reported failed by 2 of the following: Right PFD, Left PFD, Left MFD, and RIU.

• Adaptive Flight-Display Unit (R MFD) (A28)
• R MFD Circuit Breaker (CB2-C5)
• Right Cockpit Breaker Panel (CBP2)
• Associated Wiring

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

1. Reset R MFD Circuit Breaker CB2-C5. Is the fault message still present?

   1. If NO, do close out.
   2. If YES, continue with next step.

2. Swap R MFD (A28) with L MFD (A29). Is the fault message still present?

   1. If NO, do close out.
   2. If YES, continue with next step.

3. Confirm presence of the Ground, and the configuration discrete, at the right MFD (A28).
   

   Measurement at	Expected Result	Result	Notes
   Conn. A28P3 - E	GND		Power Ground
   Conn. A28P3 - C	GND		Chassis Ground
   Conn. A28P3 - F	GND		Chassis Ground
   Conn. A28P2 - 44	GND		Config. Disc.
   Conn. A28P2 - 46	GND		Config. Disc.
   Conn. A28P2 - 16	GND		Chassis Ground
   Conn. A28P2 - 25	GND		Chassis Ground

   1. If the check is not satisfactory, repair defective wiring.
   2. If the check is satisfactory, continue with next step.

4. Confirm presence of the 28 VDC at the right MFD (A28).
   

   Measurement at	Expected Result	Result
   Conn. A28P3 - G	28 VDC

   1. If the check is not satisfactory, continue with next step.
   2. If the check is satisfactory, do close out.

5. Do wiring check from R MFD (A28) to Right Cockpit Breaker Panel (CBP2) for the following wire:
   

   From:	To:	Result
   Conn. A28P3 - G	Conn. CBP2P/J2 - H

   1. If the check is satisfactory, continue with next step.
   2. If the check is not satisfactory, repair wiring.

6. Replace R MFD Circuit Breaker CB2-C5. Is the fault still present?

   1. If NO, do close out.
   2. If YES, replace defective right Cockpit Breaker Panel (CBP2).

7. Do close out.