A typical Pilot's Seat MEL (apologies for the formatting; C is the duration allowed for the defect, in this case being 10 days; the first number is the number fitted, the second is the number required):
25 EQUIPMENT/FURNISHINGS ¦ ¦ ¦ ¦
¦ 15-02 Flight Crew ¦ ¦ ¦ ¦
¦ Seats ¦ ¦ ¦ ¦
¦ 1) Lumbar Supports C ¦ 2 ¦ 0 ¦ May be inoperative in the retracted ¦
¦ ¦ ¦ ¦ position provided the seat is ¦
¦ ¦ ¦ ¦ acceptable to the affected ¦
¦ ¦ ¦ ¦ crewmember. ¦
¦ 2) Thigh Supports C ¦ 4 ¦ 0 ¦ May be inoperative in the retracted ¦
¦ ¦ ¦ ¦ position provided the seat is ¦
¦ ¦ ¦ ¦ acceptable to the affected crew ¦
¦ ¦ ¦ ¦ member. ¦
¦ 3) Armrests B ¦ 4 ¦ 2 ¦ One armrest on each seat may be ¦
¦ ¦ ¦ ¦ inoperative or missing provided: ¦
¦ ¦ ¦ ¦ a) Egress is not impaired, and ¦
¦ ¦ ¦ ¦ b) Seat is acceptable to the ¦
¦ ¦ ¦ ¦ affected crewmember. ¦
¦ 4) Pneumatic Height C ¦ 2 ¦ 0 ¦ May be inoperative provided the ¦
¦ Adjustment ¦ ¦ ¦ seat height can be manually ¦
¦ ¦ ¦ ¦ adjusted to the proper position. ¦
¦ 22-01 "Fasten Seat C ¦ - ¦ - ¦ One or more signs or placards may ¦
¦ Belt While ¦ ¦ ¦ be illegible or missing provided a ¦
¦ Seated" Signs or ¦ ¦ ¦ legible sign or placard is readable ¦
¦ Placards ¦ ¦ ¦ from each occupied passenger seat. ¦
¦ (Unlighted) ¦ ¦ ¦ ¦