What was found
***WHILE AIRCRAFT WAS IN FOR BRIDGING*** MAINTENANCE FOUND DURING FASTENER REMOVAL, DAMAGES ON LOWER FR 17, STR 27L TO 27R, IN THE RADIUS AND BY THE LOWEST FASTENER. REMOVED AND REPLACED DAMAGED LOWER FR 17, STR 27L-27R IAW SRM 51-40-08. SEE APPROVED ETD2019-170-054592 FOR SUBSTANTIATION TO USE P/N 170-03871-401.