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