# SDR EIAA20130730010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2013
- Submitted: July 30, 2013
- Operation: Air carrier
- Aircraft: N491EV
- Make and model: Boeing 747412
- Aircraft serial: 26561
- Aircraft time: 85,205 hours, 14,914 cycles
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Flange
- Condition: Worn
- Location: Zone 400
- 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/EIAA20130730010

## Discrepancy

NR 3 ENGINE NOSE COWL AFT FLANGE HAS WEAR MARK FROM FAN COWL AT 11:00 POSITION.  FABRICATED REPAIR STRAP AND INSTALLED IAW DWG 54101306-1 AND SRM 51-70-10, PG 254-255, PAR 20-21.

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