What was found
DURING B-2 CHECK, FOUND MAIN CABIN SEAT TRACK CORRODED AT BS 344 TO BS 360, RBL 45.5. REF FASI N/R 50403. FABRICATED REPAIR FROM BAC 1520-792 MATERIAL. LENGTH 14 INCHES REPAIRED IAW B727 SRM 53-10-05, FIGURE 7 AND 53-10-2, FIGURE 7. (M)