B-757 Rev 30

11-5 APU Check Valve C 1 0 May be inoperative provided APU shutoff valve remains closed, except for engine start. | 11-6 Bleed Air ISLN Valve. C 1 0 (M) Except for ER operations beyond 120 minutes, may be inoperative provided: a) Valve is closed except for engine start, b) Airplane is not operated in known or forecast icing conditions, and ................
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