Service difficulty report · Rib · Boeing 747121

Difficulty date
September 5, 2003
Submitted
October 1, 2003
Operation
Air carrier
Aircraft
N682UP
Make and model
Boeing 747121
Aircraft serial
20349
Aircraft time
98,649 hours, 25,117 cycles
Part
Rib
Part number
65B101486
Condition
Corroded
Location
Nr 18 V/C Flap
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

INSPECTION TYPE: C, RIGHT WING - NR 18 V/C FLAP O/B LINKAGE I/B RIB NR 2 TO NR 8 ROTARY ACTUATOR MOUNTING HOLES FOUND PITTING CORROSION (COUNT FROM I/B CLOCKWISE). FINAL HOLE SIZE 0.434 INCH AT HOLE NR 4. RIGHT WING NR 18 V/C FLAP O/B LINKAGE I/B RIB REPLACED IAW SRM 51-10-01 PG 8.