# SDR UPS02438701

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2002
- Submitted: June 28, 2002
- Operation: Air carrier
- Aircraft: N682UP
- Make and model: Boeing 747121
- Aircraft serial: 20349
- Aircraft time: 95,929 hours, 24,524 cycles
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Part number: 65B078286
- Part serial: TAG775979
- Condition: Corroded
- Location: Rt Wing
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS02438701

## Discrepancy

INSPECTION TYPE:C RT WING- NR 22 L/E FLAP I/B ROTARY ACTUATOR MOUNT RIB SUPPORT NR 5 & 6 BOLT HOLE FOUND SURFACE CORRODED.  CORROSION BLEND OUT AT BOLT HOLES FINAL DIAMETERS 0.371" TO 0.434" WITH NR 4, 5, 6 OVERSIZED ECCENTRICALLY.  RT WING- NR 22 L/E FLAP I/B ROTARY ACTUATOR MOUNT RIB REPLACED IAW SRM 51-10-01 PG 8 AND SRM 51-30-02.

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