# SDR UPS00432861

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2000
- Submitted: June 12, 2000
- Operation: Air carrier
- Aircraft: N681UP
- Make and model: Boeing 747121
- Aircraft serial: 19661
- Aircraft time: 94,119 hours, 24,390 cycles
- System (JASC): [5714 · Wing, Center Box](https://openairdocs.org/jasc/5714)
- Part: Frame
- Condition: Corroded
- Location: Center 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/UPS00432861

## Discrepancy

INSPECTION TYPE:C, CORROSION ON RT WING LWR SKIN IN SPAR EXTENSION AT FS 770.  CORROSION CLEANED UP, FILLER FABRICATED AND FITTED PER Q/NOTE 18/00.

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