What was found
MAIN AVIONICS DOOR SURROUNDING STRUCTURE HAS A CORRODED INTERCOSTAL @STRG 27R BETWEEN FS349.00 & FS364.00 (C-CHECK RO 11-27-21) REMOVED MAIN AVIONICS DOOR SURROUNDING STRUCTURE @ 27R INTERCOSTAL BETWEEN FS349 - FS364. REF: CRJ700 SRM 51-42-06-001-001-A01 AND CRJ700 SRM 51-42-21-001-001-A01 & INSTALLED NEW R27 INTERCOSTAL, P/N SH670-32075-4 BETWEEN FS364 / FS349. DWG SH670-32050 REV: J, CRJ700 SRM 51-42-06-001-001-A01, CRJ700 SRM 51-42-21-001-001-A01.COMPLIED WITH 51-900-1002-SKY.PRESSURE LEAK CHECK GOOD