SRV opens to 5%, FPG2 gets to 2 ~ 3 bar, SRV closes, FPG2 drops to 0.03 bar, then SRV opens again. The cycle continues until flameout and loss of flame trip.
MOOG ServoValves and LVDT for SRV and GCV have been changed with new ones twice.
The exhaust temperature attains 115degC before the flame...
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