Relier Pairs AVIATION ABBREVIATIONSVersion en ligne Match the abbreviation with the correct meaning. par Steven Rafael Torres Orozco 1 AD 2 SB 3 FT 4 P/N 5 SL 6 LB 7 SRM 8 S/N 9 P.S.I FOOT SERVICE BULLETIN SERIAL NUMBER PRESSURE SQUARE INCH POUND AIRWORTHINESS DIRECTIVE STRUCTURAL REPAIR MANUAL SERVICE LETTER PART NUMBER