Maintenance in Storm Conditions - Safety Practices

TASK 20-17-00-910-001-A
Maintenance in Storm Conditions - Safety Practices

WARNING: DO NOT TOUCH CONNECTIONS TO THE AIRCRAFT, DO NOT USE HEADSETS. LIGHTNING STRIKE AND HIGH DISCHARGE CURRENTS ARE VERY DANGEROUS FOR PERSONNEL AND CAN CAUSE DAMAGE TO EQUIPMENT.

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TASK 05-51-18-200-001-A	Inspection after a Lightning Strike
TASK 05-51-18-200-001-A-02	Inspection after a Lightning Strike with Drone
TASK 12-34-24-869-002-A	Aircraft Grounding (Earthing) for the Maintenance Operations

3. Job Set-up
Subtask 20-17-00-860-050-A

A. Not Applicable

4. Procedure
Subtask 20-17-00-910-050-A

A. Safety Precautions
(1) During storm conditions or when there is atmospheric electrical activity, you must:

Make sure that aircraft is grounded (Ref. AMM TASK 12-34-24-869-002).
Stop ground servicing operations external to the aircraft (refueling, etc.).
Disconnect all other external connections (external power supply, etc.).
Remove or disconnect the headsets.
Not touch metal parts, equipment or connections to the aircraft.

(2) If a lightning strike occurs, do an inspection after lightning strike (Ref. AMM TASK 05-51-18-200-001).

[Rev.10 from 2021] 2026.03.31 22:59:04 UTC