# SDR IPXA13B79210

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2013
- Submitted: July 8, 2013
- Operation: Air carrier
- Aircraft: [N581UP](https://openairdocs.org/aircraft/N581UP), registered now
- Make and model: Boeing 747-4R7F
- Registry model: [Boeing 747-4R7F](https://openairdocs.org/model/boeing-747-4r7f) (OpenAirDocs)
- Aircraft serial: 25866
- Aircraft time: 92,141 hours, 15,796 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 65B07661529
- Condition: Cracked
- Location: Bs 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/IPXA13B79210

## Discrepancy

INSPECTION TYPE: SV, FUSELAGE BS 400, LT NOSE WHEEL AFT CORNER SKIN PANEL 1EA FASTENER HOLE FOUND CRACKED THROUGH THICKNESS AT THE SKIN LAYER IN 3 O/C DIRECTION, REFER TO NDT TEST REPORT.  REPAIRED IAW RI-53-11-10244, REV A AND EO B747-5330-51345-A, ORG SKIN MATL IS 2024T3-0.063",  FASTENER HOLE CRACKED THROUGH THICKNESS, TRIM OUT SIZE IS 1.88" X 1.88".  MAJOR REPAIR.

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