# SDR UPS03440544

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2003
- Submitted: April 30, 2003
- Operation: Air carrier
- Aircraft: N681UP
- Make and model: Boeing 747121
- Aircraft serial: 19661
- Aircraft time: 100,611 hours, 25,820 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Web
- Condition: Corroded
- Location: Fuselage
- 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/UPS03440544

## Discrepancy

INSPECTION TYPE: C,  FLOOR WEB AT BS 520 RBL 83  FOUND CORROSION.     WEB REPAIRED AS PER RS NR : R52-25-35007 AND ENGINEERING FILE NUMBER 747-53-20130.

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