# SDR UPS06445988

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 1, 2006
- 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): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Frame
- Part number: 65B903082
- Condition: Cracked
- Location: Nr 4 Pylon
- 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/UPS06445988

## Discrepancy

INSPECTION TYPE:C NR 4 PYLON I/B SIDE OF NAC STA 236 VERTICAL FRAME CRACKED, JUST FWD OF PYLON VALVE, CRACK LENGTH : 2.5".  VERTICAL FRAME REPLACED AS PER SRM 51-10-01 P.9 AND INSTALLED AS PER SRM 51-30-02.

---
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.