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