What was found
INTERCOSTAL AT STGR 27R CORRODED BETWEEN FS 349 AND FS 364. - REMOVED, LOCATED, DRILLED & INSTALLED NEW INTERCOSTAL AT STR 27R FS 349-364 AND R/R PROX SENSOR IAW CRJ900 SRM 51-42-06-001-001-A01, 51-42-21-001-001-A01, 51-40-11-001-001-A01, AND AMM 52-70-08-000/400-801-A01. OPS GOOD. WVAC EMP STAMP # 712 MTC.