What was found
DURING HEAVY MAINTENANCE, LH WING TOP SKIN CORROSION AT TRAILING EDGE, OVERHANG AREA, BTW RIB 5 & RIB 6. REF. HMV FLIGHTSTAR-VQQ, W/O N653JB-02-01, TASK NR-00110 ; (RESOLVED ON W/O: 1121596 TASKCARD: NR-00012 ) REMOVED CORROSION AT LH WING TOP SKIIN, T/E OVERHANG AREA, BTWRIB 5-6 IAW A320 SRM 51-74-00. REMAINING MATERIAL IS OUT OF LIMITS IAW A320 SRM 57-21-11-283-007. COMPLIED WITH FAS EA 21074, REV IR & JETBLUE EC A21-1189-01. APPROVED BY AIRBUS RDAF 8097761/003/2021, ISSUE A, AS A PERMANENT REPAIR