# SDR UPS06445971

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 29, 2005
- Submitted: January 20, 2006
- Operation: Air carrier
- Aircraft: N520UP
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21943
- Aircraft time: 80,484 hours, 17,793 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Pressure Blkhd
- Part number: 141U10878
- 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/UPS06445971

## Discrepancy

INSPECTION TYPE:C NOSE W/W BS 400 BULKHEAD PRESSURE PANEL FOUND CRACKED, CRACK LENGTH 1/4".  NOSE W/W BS 400 B/H PRESSURE PANEL REPLACED AS PER SRM 51-10-01 PAGE 9 AND INSTALLED AS PER BOEING DWG NR 624U0005 SHT 1 AND SHT 9.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.