What was found
CORROSION ON FWD LOWER FACE OF AFT PRESSURE BULKHEAD STA Y=1053 BTW L26L AND L26R AT AFT CARGO COMPARTMENT. SUMMARY OF NRC 00462: CORROSION LEVEL 1. CORROSION ON FWD LOWER FACE OF AFT PRESSURE BULKHEAD STA Y=1053 BTW L26L AND L26R AT AFT CARGO COMPARTMENT WAS REMOVED PER B717 SRM 51-10-04-0G PAR 26 C. (UT) MEASUREMENT THICKNESS WAS ACCOMPLISHED PER DC-MD/BOEING NDT SPM PART 4, 04-00-06 PAR 4 FIG 9 ON FWD LOWER FACE OF AFT PRESSURE BULKHEAD STA Y=1053 BTW L26L AND L26R AT AFT CARGO COMPARTMENT AREA WITH ORIGINAL TICKNESS IS 0.063" AND MINIMUM REMAINING THICKNESS IS 0.052" THEREFORE IS WITHIN LIMITS PER B717 SRM 53-20-08-2R PROCEDURE 2 REPAIR 2 PAR. 4.A.1 (B). (LP #0225278)