# SDR UPS04443354

- Type: Service difficulty report (as reported; unverified)
- 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](https://openairdocs.org/jasc/5712)
- Part: Rib
- Condition: Cracked
- Location: Rt Wing
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS04443354

## Discrepancy

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.

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