# SDR EIA2004080

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 2, 2004
- Submitted: September 28, 2004
- Operation: Air carrier
- Aircraft: N480EV
- Make and model: Boeing 747121
- Aircraft serial: 20348
- Aircraft time: 111,856 hours, 24,125 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Forging
- Condition: Corroded
- Location: Lt Window
- 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/EIA2004080

## Discrepancy

MAIN CABIN INTERIOR LEFT WINDOW FORGING AND STR 22 L CORRODED BETWEEN BS 300-320.  REMOVED CORROSION, STR 22L OUT OF LIMITS REPLACED STR PER B747 SRM 51-30-02 FROM BS 220-406.

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