What was found
CORROSION ON ANGLE FS= 310 / FS=349 LOWER SURROUND STRUCTURE PASSENGER DOOR. CORROSION ON ANGLE FS= 310 / FS=349 AT LOWER SURROUND STRUCTURE OF PASSENGER DOOR WAS REMOVED PER CRJ900 SRM 51-21-06-001-001-A01. BLENDED AREA ON ANGLE FS= 310 / FS=349 AT LOWER SURROUND STRUCTURE OF PASSENGER DOOR WAS MEASURED. NOMINAL THICKNESS IS 0.060'' AND MINIMUM REMAINING THICKNESS IS 0.043'' THEREFORE IT'S OUT OF LIMITS PER CRJ900 SRM 53-21-23-101-001-A01. EQUIPMENT: DIAL INDICATOR P/N: 543-783, SERIAL:18055681 EXP. DATE: 16-JUL-19, N/C 2380 RGC. NEW ANGLE FS= 310 / FS=349 AT LOWER SURROUND STRUCTURE OF PASSENGER DOOR WAS REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01.