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