# SDR DALA1200706303

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 2012
- Submitted: January 5, 2012
- Operation: Air carrier
- Aircraft: N663US
- Make and model: Boeing 747451
- Aircraft serial: 23818
- Aircraft time: 95,626 hours, 12,445 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Corroded
- Location: Fuselage
- 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/DALA1200706303

## Discrepancy

21/140 CORROSION WAS FOUND ON STRINGERS OF LT FUSELAGE STA 1487. S-40L. S: 4"X1".  REPAIRED THE STRINGER PER ERA 496582-14.

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