# SDR UPS03441288

- Type: Service difficulty report (as reported; unverified)
- 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
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Condition: Corroded
- Location: Nr 18 V/C Flap
- 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/UPS03441288

## Discrepancy

INSPECTION TYPE: C,  RT WING NR 18 V/C FLAP I/B LINKAGE O/B RIB NR 1 TO NR 3, NR 5, NR 6 AND NR 8 ROTARY ACTUATOR MOUNTING HOLES FOUND PITTING CORROSION (COUNT FROM I/B CLOCKWISE).  NR 1 TO NR 3, NR 5, NR 6 AND NR 8 BOLT HOLES REPAIRED AS PER RS 574135066 AND REFER EO B747574019269A FOR REPEAT INSPECTION INSTRUCTIONS.

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