# SDR 9502746612

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N612US
- Make and model: Boeing 747251B
- Aircraft serial: 20357
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Lower Beam
- Condition: Corroded
- Location: Fs 1840-1860
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9502746612

## Discrepancy

DURING PERIODIC CHECK, FOUND THE AFT CARGO LOWER BEAM CORRODED AT FS 1840 TO 1860.  THE LOWER BEAM WEB (65B04721-1) IS MADE FROM 0.125 INCH 7075-T6 ALUMINUM.  MADE REPAIR PER EA 66-93767.

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