What was found
SUPPORT TASK EA5310-07027 (AD 2017-24-10) DURING PREPARATION (CL EANING) FOUND EXFOLIATION CORROSION ON FRAME OUTTER CHORD UNDER DOOR SWITHCH FITTING AT STA 1380 BETWEEN STR 23R AND STR 24R AS MARKED 034-036. REF ENG N/R 0069975 CHECKED LIMITS TO FRAME AT STA 1380 BETWEEN S-23R AND S-24R; L=4 .5 W=3.0 D=.080. OUT OF LIMITS IAW SRM 53-00-07 FIG 101 DETAIL II. REPAIRED FRAME IAW SRM 53-00-07 REPAIR 2 FI G 201 PG201. THIS IS REPAIR IS A CATEGORY B INSPECTION THRESHOLD IS 37,500 AIRFRAME FLT CYCLES, INTERVALS OF EVERY 3000 FLT CYCLES, CURRENT CYCLES IS 22,536.