SDR UPS04443354

Service difficulty report · Rib · Boeing 747121

Difficulty date: September 21, 2004
Submitted: October 20, 2004
Operation: Air carrier
Aircraft: N681UP
Make and model: Boeing 747121
Aircraft serial: 19661
Aircraft time: 104,265 hours, 26,546 cycles
System (JASC): 5712 · Wing, Rib/Bulkhead
Part: Rib
Condition: Cracked
Location: Rt Wing
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 L/E OLES 1409 APPROX NR 25 V/C FLAP I/B ROTARY I/B SUPPORT RIB FWD MOUNT HOLE CRACK. RIGHT WING L/E OLES 1409 APPROX NR 25 VC FLAP I/B ROTARY ACTUATOR I/B SUPPORT RIB REPAIRED AS PER HX RS R-57-41-35202, DVI THE AFFECTED AREA AT C-CHECK INFORVALS NOT TO EXCEED 18 MONTHS FOR SIGNS OF CORROSION, CRACKS & DEGRADATION OF SUBJECT REPAIR, SEE DETAIL PER UPS EO B747-5740-21183-A FOR REFERENCE.