What was found
AT C CHECK, CORROSION IN PLENUM ABOVE LT PRIMARY HEAT EXCHANGER. REMOVED CORROSION PER B727 SRM 51-10-6, MATERIAL LOSS .060 FOUND TO BE OUT OF LIMITS PER SRM 57-30-1 FIG 9. FLAP PEENED ALL AREA PER OHM 20-10-3, COLD WORKED ALL FASTENER HOLES PER SRM 51-30-10, INSTALLED REPAIR PER SRM 57-30-3, USING .080 2024T3 14 X 6.5 AND 13 X 6.5. ALODINED AND PRIMED PER SRM 51-10-2. POLY WHITE ALL EXTERIOR PARTS PER MM 51-20-0, SEALED AREA PER SRM 51-20-4 N/R 3700.