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Steering control valve


Md Abu Sufian
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The air crew were detailed to carr out a regular cargo msn on route  Bunia to goma in C-130B ac ser no 0962.During the takeoff roll,after 60 knots, capt shifted his  hand to flt con leaving the nose wh   steering as the normal procedure.  but at about 80 knots the ac suddenly swung to the left,the capt immediate decided to abort the msn and ac control by applying differential braking with the help of the co-pltand nose wh steering input.

Finaly we suspected that nose steering control valve malfunction during ac speed 80 knots. What might be the reason can anyone  inform.  Thanks  in advance. 

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7 minutes ago, Md Abu Sufian said:

The air crew were detailed to carr out a regular cargo msn on route  Bunia to goma in C-130B ac ser no 0962.During the takeoff roll,after 60 knots, capt shifted his  hand to flt con leaving the nose wh   steering as the normal procedure.  but at about 80 knots the ac suddenly swung to the left,the capt immediate decided to abort the msn and ac control by applying differential braking with the help of the co-pltand nose wh steering input.

Finaly we suspected that nose steering control valve malfunction during ac speed 80 knots. What might be the reason can anyone  inform.  Thanks  in advance. 

Steering control valve lost spring tension It is, mal function of the component, install gauge check pressure on neutral position at point mention on TO (40 psi )as as per TO

regards

Munir abbasi

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13 minutes ago, Md Abu Sufian said:

The air crew were detailed to carr out a regular cargo msn on route  Bunia to goma in C-130B ac ser no 0962.During the takeoff roll,after 60 knots, capt shifted his  hand to flt con leaving the nose wh   steering as the normal procedure.  but at about 80 knots the ac suddenly swung to the left,the capt immediate decided to abort the msn and ac control by applying differential braking with the help of the co-pltand nose wh steering input.

Finaly we suspected that nose steering control valve malfunction during ac speed 80 knots. What might be the reason can anyone  inform.  Thanks  in advance. 

Also  check LDG torque strut all  Strut are same hard or soft  and check for Air pressure if soft all  strut pressure should be 415 PSI

Munir Abbasi

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