# SDR UPS00433300

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 2000
- Submitted: July 12, 2000
- Operation: Air carrier
- Aircraft: N521UP
- Make and model: Boeing 747-200B
- Registry model: [Boeing 747-200B](https://openairdocs.org/model/boeing-747-200b) (OpenAirDocs)
- Aircraft serial: 21944
- Aircraft time: 62,800 hours, 15,449 cycles
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Channel
- 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/UPS00433300

## Discrepancy

INSPECTION TYPE:C, RT WING L/E CORROSION ON L/E LOWER FALSE WORK PANEL FWD OF SUPP CHANNEL AT SEVERAL LOCATIONS AT OLES 1066 OUT TO NR 4 ENG.  REPAIR CARRIED OUT IAW QUERY NOTE 4/2000 AND SRM 51-30-01 AND 51-30 -06.  REMOVED CORRODED BEAM SECTION AND SPLICE IN NEW SECTION OF BEAM  APPROVED 8110 ISSUED FOR REPAIR.

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