What was found
EN ROUTE, EXPERIENCED UNCOMMANDED NR 2 ENG SHUTDOWN. CAPT DECLARED AN EMERGENCY, DIVERTED TO PHL. TOTAL SINGLE ENG TIME WAS 20 MIN. AT GATE, STREAKS OF BLUE ICE WERE NOTICED DOWN THE SIDE OF A/C AND FWD LAV DOOR WAS BULGING WITH BLUE ICE. MX DETERMINED THE FLAME-OUT OF THE NR 2 ENGINE TO BE CAUSED BY BLUE ICE INGESTION FROM A LEAKING FWD LAV FILL LINE CHECK VLV. REMOVED AND REPLACED FILL LINE CHECK VLV, PRESSURE LEAK CHK GOOD. CLEANED FWD LAV DUMP DRAIN SEAL. BOROSCOPE INSPECTED NR 2 ENG PER MM 71-00-47, PAGES 106-107. MINOR UNBLENDED FOD TO L/E OF 8TH AND 9TH STAGE BLADES NOTED. PERF MAX POWER ASSURANCE ENG RUN TEST, ENG RUN GOOD. ENG OK FOR CONTINUED SERVICE. (M)