# SDR EIA2007115

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 2007
- Submitted: June 6, 2007
- Operation: Air carrier
- Aircraft: N487EV
- Make and model: Boeing 747230B
- Aircraft serial: 23286
- Aircraft time: 88,431 hours, 16,656 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/EIA2007115

## Discrepancy

HEAVY EXFOLIATION CORROSION ON STRINGER 47R AT STATION 790, FORWARD PIT BILGE.  REMOVED CORROSION AT STRINGER 47R STATION 790, FOUND TO BE OUT OF LIMITS 100 PERCENT MATERIAL LOSS.  REMOVED DAMAGE AREA PER B747 SRM 51-30-02 FIGURE 1, NDT CHECKED NO CRACKS NOTED.  REPAIRED PER B747 SRM 53-10-03 FIGURE 1.  INSTALLED PER B747 SRM 53-10-03 PAGES 2-3,8-9.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.