Spare fuses
93.—(1)  An AOC holder must ensure that every relevant aircraft carries on board a quantity of spare fuses mentioned in paragraph (2) for every fuse of an electrical circuit that is accessible for replacement while the aircraft is in flight.
(2)  The quantity of spare fuses required under paragraph (1) is the higher of —
(a)10% of the total number of fuses in each rating of fuses that are accessible for replacement while the aircraft is in flight; or
(b)3 fuses of such description.