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