- Flight Director Bias Out Of View With PSEU light illuminated:
Notes:
Check for a Valid onside Radio Altimeter. A invalid RA will cause the onside flight director to bias out of view with a PSEU light on the ground.
Flight Director Flag Possible Causes:Before replacing any component perform BITE if available. (R/A R/T bite check in main E&E). Check for a valid RA signal in the HGS system.
1.RA Receiver/Transmitter.
2.Antenna.
3.Wiring from the RA Receiver/Transmitter to the DEUs.
F/D BOV:
Circuit Breakers:R/A #1: P18-1 = B2.
R/A#2: P6-1 = A16.
DEU#1 HOLD UP: P6-1 = D10.
DEU#1 PRIMARY: P18-2 = D5.
DEU#2 HOLD UP: P6-1 = D9.
DEU#2 PRIMARY: P6-1 = D11.
Applicable deferrals MEL 34-20 Radio Altimeter System