# SDR UIEA2011020500092

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2011
- Submitted: February 23, 2011
- Operation: Air carrier
- Aircraft: N523MC
- Make and model: Boeing 747-2D7B
- Registry model: [Boeing 747-2D7B](https://openairdocs.org/model/boeing-747-2d7b) (OpenAirDocs)
- Aircraft serial: 21782
- Aircraft time: 102,790 hours, 20,995 cycles
- Engine: Ge CF650*
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Duct
- Condition: Damaged
- Location: Nr 2 Engine
- 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/UIEA2011020500092

## Discrepancy

ENGINE NR 2 OUTBOARD T/R HALF HI BYPASS "C" DUCT INTERNAL WALL WITH DELAMINATION AND MISSING SKIN MATERIAL(REMOVED SECTION OF DAMAGED SKIN AND PREPARED AREA FABRICATED DOUBLER FROM 2024-T3 0.063 PO 10024219 LOCATED, TRIMMED, DRILLED, PRIMED AND INSTALLED AND SEALED EDGES IAW ENG MANUAL EM 78-32-03 REPAIR 028.

---
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.