What was found
LT INBD AFT FLAP LOWER SURFACE HAS DISBONDED AREA AT WBL 135. REPAIRED ON ASI WO 20006, N/R 02031. INSTALLED HOT BONDED REPAIR TO LEFT INBD AFT FLAP LOWER SURFACE AT WBL 135 IAW B727 SRM 51-40-20, PARA 20 AND 51-40-23, REV 102. MATERIAL USED: CORE; 5052-4.4-3/16, 2 DIA., DOUBLER; 7075-T6, 0.016 DIM.; 5 DIA.