What was found
DURING OP 16 MAINTENANCE CHECK, FOUND SEVERAL CHERRY FASTENERS IN UPSIDE DOWN HAT SECTION FROM STA 606 TO 659 AND BETWEEN KEEL AND STRINGER 29R. RE-INSTALLED MS20470AD6 RIVETS PER DRAWING 5911418. INSTALLED RIVETS PER SRM 51-30-2. SUBSTITUTED HL326-6 FOR NAS 1466 PER SRM 51-60-0, PAGE 11 TABLE 3.