# SDR UPS01435937

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 2001
- Submitted: May 21, 2001
- Operation: Air carrier
- Aircraft: [N671UP](https://openairdocs.org/aircraft/N671UP), registered now
- Make and model: Boeing 747123
- Aircraft serial: 20323
- Aircraft time: 72,316 hours, 20,588 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Pressure Panel
- Condition: Cracked
- Location: Nlg Ww
- 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/UPS01435937

## Discrepancy

INSPECTION TYPE:C-2 NOSE W/W TUNNEL - LT BS 320 VERTICAL BEAM WEB BTN 4TH & 5TH CLIP (COUNT FROM TOP) FOUND CRACK AT STAND OFF HOLE APPROX .125 INCH LONG.  BS 320 LT WEB REPLACED PER SRM 51-10-01 & 51-30-02.

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