What was found
LT W/W STA 663 BULKHEAD LBL 28 JUST O/B OF RAM AIR EXHAUST LOWER ANGLE BRACKET IS CRACKED AT LOWER END. [DOT 124-036] / REMOVED RAM AIR DUCT FOR ACCESS PER REF. B737 AMM 21-51-24-400-801; REMOVED DAMAGED STIFFENER FROM LT W/W STA. 663' BULKHEAD; LBL 288; JUST O/B OF RAM AIR EXHAUST PER REF. B737 SRM 51-40-02-0G-0; LOCATED AND DRILLED NEW STIFFENER PER REF. B-737 SRM 51-40-05-0G-0; OMSTALLED NEW STIFFENER PER REF B737 SRM 51-40-02-0G-0 AND DRAWING 111A10000; REINSTALLED RAM AIR DUCT PER REF. B737 AMM 21-51-24-400-801 (EXHAUST DUCT).