# SDR WRLA20110510480

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2011
- Submitted: May 24, 2011
- Operation: Air carrier
- Aircraft: N740WA
- Make and model: Boeing 747-4H6
- Registry model: [Boeing 747-4H6](https://openairdocs.org/model/boeing-747-4h6) (OpenAirDocs)
- Aircraft serial: 25700
- Aircraft time: 71,044 hours, 9,386 cycles
- Engine: Pwa PW4056
- System (JASC): [5415 · Nacelle/Pylon, Attach Fittings](https://openairdocs.org/jasc/5415)
- Part: Attach Bolt
- Part number: 10C51277
- Condition: Worn
- Location: #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/WRLA20110510480

## Discrepancy

NR 2 PYLON ATTACH FITTING SEALANT MISSING ON FWD SIDE AND PARTIALLY MISSING ON AFT SIDE DIAGONAL SIDE BRACE (BEARING ROTATION).   SUP -  COMPLIED WITH WOA EO 09-5400-56R2 TERMINATING ACTION.  SERVICE BULLETIN 747-54A2218R3 (PARTS 3 AND 4).

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