# SDR IPXA1B65799

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2011
- Submitted: March 30, 2011
- Operation: Air carrier
- Aircraft: [N579UP](https://openairdocs.org/aircraft/N579UP), registered now
- Make and model: Boeing 747-45E
- Registry model: [Boeing 747-45E](https://openairdocs.org/model/boeing-747-45e) (OpenAirDocs)
- Aircraft serial: 26062
- Aircraft time: 74,984 hours, 13,041 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Sill
- Part number: 65B176702
- Condition: Corroded
- Location: Bs 1900
- 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/IPXA1B65799

## Discrepancy

INSPECTION TYPE:D, M/DECK SCD DOOR SILL WEB CORRODED AT NR 9 LATCH FTG, STA 1900 WL 117.  M/DECK SCD DOOR SILL WEB CORRODED AREA AT STA 1900, WL 117 REPAIRED IAW HX RS R-53-60-36979, REV A & EO B747-5320-42014-A. ORG. MATL IS 7075T6-.125", 0.085" THICKNESS REMAINED, BLEND OUT AREA IS 1.5"X1.5". THIS REPAIR IS CLASSIFIED AS A MINOR REPAIR.

---
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.
