What was found
EXTERIOR FUSELAGE SKIN SURROUNDING THE AFT DRAIN MAST BETWEEN FS1031 AND FS1051, STRG27 AND STRG26R IS CORRODED (C-CHECK RO 8/31/2023) REPAIRED EXTERIOR FUSELAGE SKIN SURROUNDING THE AFT DRAIN MAST BETWEEN FS1031 AND FS1051, STRG27 AND STRG26R REF REO 670-53-61-2141 REV -- DATED 2023-07-21 ALL STEP PERTAINING TO AFT DRAIN MAST SKIN STEPS 8 -12 ARE COMPLIED WITH. REMAINING STEPS NOT PERTAINING TO AFT DRAIN MAST SKIN ARE COMPILED WITH ON HN99585 CAMP 26826113. COMPLIED WITH SKYWEST TASK CARD 51-900-102-SKY