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