# SDR EIA2004121

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2004
- Submitted: November 2, 2004
- Operation: Air carrier
- Aircraft: N477EV
- Make and model: Boeing 747-SR-46
- Registry model: [Boeing 747-SR-46](https://openairdocs.org/model/boeing-747-sr-46) (OpenAirDocs)
- Aircraft serial: 20784
- Aircraft time: 69,735 hours, 34,328 cycles
- System (JASC): [5411 · Nacelle/Pylon, Frame/Spar/Rib](https://openairdocs.org/jasc/5411)
- Part: Spar
- Condition: Cracked
- Location: Nr 1 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/EIA2004121

## Discrepancy

CRACK AT NAC STA 210, LOWER SPAR WEB, CENTER AREA, NR 1 PYLON.  REPAIR LWR SPAR WEB PER SRM 54-10-03, FIG 2, SPAR WEB FABRICATED IAW SRM 54-10-03, FIG 2.

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