What was found
FLT#2104, BOS-LGW. (ETOPS) 'NO.1 ENG AFT ACCOUSITIC LINER AT 5 O' CLOCK AFT LOOKING FORWARD, SMALL PUNCTURE IN LINER, APPROX 5MM DIAMETER. PERFORMED REPAIR TO ENG 1 ACOUSTIC (REAR) LINES AT 5 O'CLOCK POSITION IAW AMM 72-21-01. MDDR CLEARED. MX-4 UPDATED.