What was found
DURING HEAVY CHECK MAINTENANCE FOUND RH WING SPAR 1 IS CRACKED OUTBD OF LAST WING RIB ON LOWER SURFACE OF SPAR. REMOVED AND REPLACED RH SPAR 1 OUTBOARD SEGMENT. REF SRM 51-40-08. PREPPED, PRIMED,AND PAINTED RH WING SPAR 1 REPAIR REF EMB SRM 51-23-04, SRM 51-23-05, SRM 51-23-06. A/C REMAINS IN CHECK.