# SDR UPS03440496

- 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): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Support Bracket
- Condition: Corroded
- Location: Keelbeam
- 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/UPS03440496

## Discrepancy

KEELBEAM PANEL SUPPORT BRACKET FOUND SURFACE CORROSION AT STA 1225 LBL 9.     SUPPORT BRACKET REINSTALLED AS PER SRM 51-30-2 AND BRACKET REPLACED AS PER SRM 51-10-01 P.8 REFER NRC 6878. CORROSION BLEND OUT 0.040 X 1 X 1 INCHES. EXCEED SRM LIMIT.

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