# SDR UIEA2012102200490

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2012
- Submitted: October 22, 2012
- Operation: Air carrier
- Aircraft: [N412MC](https://openairdocs.org/aircraft/N412MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 30559
- Aircraft time: 55,865 hours, 8,379 cycles
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Heat Shield
- Condition: Damaged
- Location: Nr 2 Nacelle
- 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/UIEA2012102200490

## Discrepancy

DURING REPLACEMENT OF THE NR 2 ENGINE, THE NR 2 STRUT LOWER WEB INSULATION BLANKET, "HEAT SHIELD" WAS FOUND WITH MISSING MATERIAL ON ACFT.  MADE A TIME LIMITED REPAIR.

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