What was found
PAE - FLT NR 3819 - DURING ROUTINE SCHEDULED C-15 MAINTENANCE CHECK, FOUND RIGHT HORIZONTAL STABILIZER L/E RIB CRACKED AT STATION 170.34. FABRICATED AND INSTALLED REPAIR PARTS PER SRM 51-40-3, 55-10-2, 51-10-2, 51-20-1 AND 51-30-2. (M)