Lightning Strike Inspection

INSPECTION PROCEDURE FOR LIGHTNING STRIKE  

If an Aircraft is flying or on the ground in the vicinity of highly charged cloud formations or electric discharges between a cloud and the ground,the following inspections are to be carried out on the Aircraft 

  

Details of Inspection

Sl. No.	Items	Mech	AME
1.	Consult the pilot regarding the nature of the lightninig strike.
2.	Inspect wing tips and leading edges of wings for small circular holes in the exterior skin, burning, pitting and discolouration.
3.	Inspect all control surface hinge bearings for damage, burning and seizure.
4.	Check for any roughness and resistence to movement of all control surfaces.
5.	Examine engine cowling and engine for signs of burning or pittings. If the strike is evident, then carry out inspections as advised on Advisory Circular No.: 2 / 77.
6.	Check for residual magnetism and demagnetise where necessary.
7.	Carry out bonding check of the aircraft.
8.	Examine bonding strips,if available for burning and disintegration.
9.	Check the radio equipment for proper functioning.
10.	Check electrical installation for continuity, insulation and operation.
11.	Check all instruments for proper functioning.
12.	Carry out Check – Swinging of the D.R.Compass.