# SDR UPS03440698

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2003
- Submitted: May 28, 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): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Beam
- Part number: 141U11072
- Condition: Cracked
- Location: Nlg Ww
- 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/UPS03440698

## Discrepancy

INSPECTION TYPE: C,  NLG WW TUNNEL - RT BS 280 VERTICAL BEAM WEB FOUND CRACK AT LOWER STANDOFF HOLE BETWEEN 1ST & 2ND STIFFENER CLIP (COUNT FROM TOP).  DEFECT WEB REMOVED AND SERVICEABLE WEB REPLACED AS PER SRM 51-10-01 PG 8.

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