As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#1 ENGINE I/B COWL STIFFENER FRAME FOR OIL ACCESS DO OR 3RD RIB FROM AFT END IS CRACKED. / REMOVED #1 ENGINE I/B COWL STIFFENER FRAME 'SHIELD' FOR OIL ACCESS DOOR 3RD RIB FROM AFT END. POSITIONED; - DRILLED UP; AND INSTALLED NEW STIFFENER FRAME 'SHIELD' IAW CMM 71-13-30; SRM 51-40-02-0G-0; SRM 51-40-05-0G-0. 4583C 13SEP18