Service difficulty reports (SDR)SDR Image galleries 17 May 2018 – 8 June 2018 By staff writers - Jul 26, 2018 1734 CESSNA 207–ATA 2731 ELEVATOR TAB CONTROL SYSTEM–ROLL PIN–DISLODGED. SAAB 340 B–ATA 3010 AIRFOIL ANTI-ICE/DE-ICE SYSTEM–De-icer boot–PUNCTURED. Austro E4 A–ATA 8530 RECIPROCATING ENGINE CYLINDER SECTION–CYLINDER HEAD–CRACKED. PIPER PA31 350–ATA 5740 WING, ATTACH FITTINGS–RIVET–SHEARED. PIPER PA31 350–ATA 5740 WING, ATTACH FITTINGS–RIVET–SHEARED. CESSNA 152–ATA 5511 HORIZONTAL STABILISER, SPAR/RIB–SPAR–CRACKED.