# SDR 2003UALA00790

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 2003
- Submitted: October 28, 2003
- Operation: Air carrier
- Aircraft: N187UA
- Make and model: Boeing 747422
- Aircraft serial: 26876
- Aircraft time: 45,064 hours, 5,471 cycles
- Engine: Pwa PW4056
- System (JASC): [2565 · Escape Slide](https://openairdocs.org/jasc/2565)
- Part: Tube
- Condition: Failed
- Location: Escape Slide
- 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/2003UALA00790

## Discrepancy

DURING THE OVER-PRESSURIZATION TEST OF THE UPPER DECK SLIDE THE TOP TUBE FAILED.  FAILURE OCCURRED AT 3.13 PSI.  SLIDE WAS RETURNED TO THE OEM (GOODRICH) FOR ANALYSIS.  UNABLE TO DETERMINE CAUSE OF FAILURE OR ACTION.  PORTION OF THIS SLIDE HAS BEEN SCRAPPED.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.