# SDR DALA14026796304

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2014
- Submitted: April 29, 2014
- Operation: Air carrier
- Aircraft: N664US
- Make and model: Boeing 747451
- Aircraft serial: 23819
- Aircraft time: 103,187 hours, 12,952 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Corroded
- Location: Bs 220
- 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/DALA14026796304

## Discrepancy

CORROSION FOUND BS 220, STRINGER 42L.  REPAIRED STRINGER IAW SRM 51-00-00, FIG 16 AND 23.

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