# SDR EIAA2011171

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2011
- Submitted: August 24, 2011
- Operation: Air carrier
- Aircraft: N486EV
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 20888
- Aircraft time: 98,968 hours, 23,131 cycles
- System (JASC): [5411 · Nacelle/Pylon, Frame/Spar/Rib](https://openairdocs.org/jasc/5411)
- Part: Spar
- Condition: Cracked
- Location: Nr 2 Pylon
- 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/EIAA2011171

## Discrepancy

DURING HFEC OPEN HOLE INSPECTION ON NR 2 PYLON FRONT SPAR CHORD FOUND 2 HOLE CRACKS.  NR 2 PYLON FRONT SPAR CHORD REPAIRED PER BOEING SB 747-54A2158 AND EN 041-11.

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