What was found
DURING MD10 ACF MODIFICATION ON WING LT SIDE OUTBOARD SLAT NR 3 FOUND RIB P/N ARB1666-501 WITH EA 7 HOLES OVALIZED. REPLACED RIB FOR SRM 51-35-01 VOL II AND DWG ARB1666.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING MD10 ACF MODIFICATION ON WING LT SIDE OUTBOARD SLAT NR 3 FOUND RIB P/N ARB1666-501 WITH EA 7 HOLES OVALIZED. REPLACED RIB FOR SRM 51-35-01 VOL II AND DWG ARB1666.