What was found
AFT WET AREA GUSSET CORRODED AT INTERCOSTAL NEAR AFT ELEC. RACK ATTACH POINT FR90. REMOVED AND REPLACED GUSSET REF. SRM 51-40-08. RESTORED SURFACE PROTECTION REF. SRM 51-23-04, 51-23-05, AND 51-23-06. SEE W/O H6609 SN 561 FOR WORK DETAILS. AIRCRAFT REMAINS IN HEAVY CHECK BNA.