# SDR UPS03440829

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2003
- Submitted: June 11, 2003
- Operation: Air carrier
- Aircraft: N521UP
- Make and model: Boeing 747-200
- Registry model: [Boeing 747-200](https://openairdocs.org/model/boeing-747-200) (OpenAirDocs)
- Aircraft serial: 21944
- Aircraft time: 70,081 hours, 16,930 cycles
- System (JASC): [5341 · Fuselage, Wing Attach Fittings](https://openairdocs.org/jasc/5341)
- Part: Fitting
- Condition: Corroded
- Location: Cracked
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS03440829

## Discrepancy

INSPECTION TYPE: C,  LT BS 1241 WING REAR SPAR LOWER SPLICE PLATE ONE EACH BOLT HOLE -K- LOCATION FOUND CRACK AND CORROSION AT 3 O'CLOCK POSITION 0.040 INCH DEPTH APPROX AND 5 O'CLOCK POSITION 0.040 INCH APPROX RESPECTIVELY.  REPAIRED AS PER R57-12-35029 AND EO B747-5710-18862-A.

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