What was found
NOSE SECTION AT WALKWAY BEAM LT MID CHORD SHOWS CORROSION SPOTS BS 294 ALL WAY BACK TO BS 350. REMOVED WALKWAY WEB I/B SIDE LT TRUNNION FITTING, FWD AND AFT TRUNNION STIFFENERS TO GAIN ACCESS IAW B727 SRM 51-30-2. REMOVED CORROSION AT LEFT MID CHORD IAW B727 SRM 51-10-6, ORIGINAL MAT. IS .180" IAW B727 SRM 53-10-2 FIG 1, MATERIAL LOSS IS FOUND TO BE OUT OF LIMITS IAW B727 SRM 53-10-1 FIG 1. REMOVED LEFT MID CHORD FITTING IAW B727 SRM 51-30-2, LOCATED AND DRILLED NEW CHORD FITTING P/N 65-19862-19 NSN IAW B727 SRM 51-30-5. INSTALLED NEW LT MID CHORD IAW B727 SRM 51-30-2. REINSTALLED LEFT TRUNNION FITTING, FORWARD AND AFT TRUNNION STIFFENERS AND WALKWAY WEB I/B SIDE IAW B727 SRM 51-30-2.