What was found
FLIGHT 2310. AIRCRAFT WAS GROUNDED AS A RESULT OF AN SDR REPORTABLE EVENT. ENG 2 STALL AT 15000MSL WITH MOMENTARY LOSS OF THRUST, WITH MOMENTARY FLAME FLASH VISIBLE FROM CABIN. ENG PARAMETERS - PRIOR TO STALL ENG FF 200LBS / GREATER THAN ENG 1 FF, ENG 2 EGT 60-70°. REMOVED #2 ENG AND INSTALLED ENG ESN 598177 REF T/C MP71042-03, MP 71042-04, NR129333, 129334, 129335, 129336, 129338, 129339, 129340, 129341, 129342, 129354, 129355, 129356. A/C OK TO CONTINUE AT THIS TIME.