# SDR UIEA200700267

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2007
- Submitted: July 17, 2007
- Operation: Air carrier
- Aircraft: N526MC
- Make and model: Boeing 747-2D7B
- Registry model: [Boeing 747-2D7B](https://openairdocs.org/model/boeing-747-2d7b) (OpenAirDocs)
- Aircraft serial: 22337
- Aircraft time: 94,356 hours, 19,381 cycles
- System (JASC): [5414 · Nacelle/Pylon, Plate/Skin](https://openairdocs.org/jasc/5414)
- Part: Skin
- Condition: Cracked
- Location: Nr 3 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/UIEA200700267

## Discrepancy

NR 3 ENGINE LT CORE COWL NR 437, AFT LOWER CORNER LONGERON STRUCTURE AND OUTER COWL SKIN HAS A CRACK AND LOOSE RIVETS.  PERMANENT REPAIR ACCOMPLISHED AS PER 747 SRM 54-31-03 FIG 3 AND ATLAS EO4771A026 AND FAA 8110-3 FORM (REF: FIG. 1 AND 2) AND ATLAS AIR XEO NR 54-071307.

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