What was found
NR 2 ENGINE SURGED PASSING FL140 EGT AT 750 EPR AT 1.3 HAD SURGE THEN HUNG, NO THROTTLE RESPONSE. SHUT DOWN ENGINE WAITED 5 MIN, THEN RE-STARTED, AFTER 10 MIN AT FL040, RE-TARDED THROTTLE AND EXPERIENCED 2ND SURGE SHUT DOWN ENGINE WITH NO EXCEEDANCE. CARRIED OUT TSM 71-00-43 DECELERATION SURGE FLOW CHART NO DEFECTS NOTED. FAILED EVC TEST CARRIED OUT AS PER MM 71-00-42 PROCEDURE 5 ALL INDICATIONS NILL. BORESCOPE INSPECTION CARRIED OUT PER TSM 71-0043 AND 72-00-00 NO DEFECTS NOTED TANDOM BLEED SCHEDULING INSP CARRIED OUT AS PER MM 71-00-00 PROCEDURE 5 ALL INDICATIONS NILL. FOUND P2 LINE LOOSE AT PRBC TIGHTEN AS PER 71-51-01 OPS CHECKED NORMAL. (ORIGINAL SUBMISSION: 2-24-2011)