# SDR UPS06446894

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 6, 2006
- Submitted: May 19, 2006
- 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: 77,205 hours, 18,330 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Fuselage
- 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/UPS06446894

## Discrepancy

INSPECTION TYPE:C FWD CARGO LT SIDEWALL BS 500 STR 38 FOUND CRACKED AT RIVET AREA.  CRACK LENGTH .5 INCH.  FWD CARGO LT BS 473 TO BS 500 STR 38 REPAIRED AS PER SRM 53-10-03 FIG 3.

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